updated

backend/chaturbate_biocontext.go

@@ -1,3 +1,5 @@
+// backend\chaturbate_biocontext.go
+
 package main
 
 import (

backend/chaturbate_online.go

@@ -618,6 +618,20 @@ func chaturbateOnlineHandler(w http.ResponseWriter, r *http.Request) {
 	liteByUser := cb.LiteByUser // map[usernameLower]ChaturbateRoomLite
 	cbMu.RUnlock()
 
+	// ---------------------------
+	// Persist "last seen online/offline" für explizit angefragte User
+	// (nur wenn wir einen gültigen Snapshot haben)
+	// ---------------------------
+	if cbModelStore != nil && onlySpecificUsers && liteByUser != nil && !fetchedAt.IsZero() {
+		seenAt := fetchedAt.UTC().Format(time.RFC3339Nano)
+
+		// Persistiert den tatsächlichen Snapshot-Status (unabhängig von Filtern)
+		for _, u := range users {
+			_, isOnline := liteByUser[u]
+			_ = cbModelStore.SetLastSeenOnline("chaturbate.com", u, isOnline, seenAt)
+		}
+	}
+
 	// ---------------------------
 	// Refresh/Bootstrap-Strategie:
 	// - Handler blockiert NICHT auf Remote-Fetch (Performance!)

backend/disk_guard.go

@@ -0,0 +1,299 @@
+// backend\disk_guard.go
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+	"sync/atomic"
+	"time"
+
+	godisk "github.com/shirou/gopsutil/v3/disk"
+)
+
+// -------------------------
+// Low disk space guard
+//  - pausiert Autostart
+//  - stoppt laufende Downloads
+// -------------------------
+
+const (
+	diskGuardInterval = 5 * time.Second
+)
+
+var diskEmergency int32 // 0=false, 1=true
+
+type diskStatusResp struct {
+	Emergency      bool   `json:"emergency"`
+	PauseGB        int    `json:"pauseGB"`
+	ResumeGB       int    `json:"resumeGB"`
+	FreeBytes      uint64 `json:"freeBytes"`
+	FreeBytesHuman string `json:"freeBytesHuman"`
+	RecordPath     string `json:"recordPath"`
+}
+
+func diskStatusHandler(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet && r.Method != http.MethodHead {
+		http.Error(w, "Nur GET/HEAD erlaubt", http.StatusMethodNotAllowed)
+		return
+	}
+
+	s := getSettings()
+
+	pauseGB, resumeGB, _, _, _ := computeDiskThresholds()
+
+	recordDirAbs, _ := resolvePathRelativeToApp(s.RecordDir)
+	dir := strings.TrimSpace(recordDirAbs)
+	if dir == "" {
+		dir = strings.TrimSpace(s.RecordDir)
+	}
+
+	free := uint64(0)
+	if dir != "" {
+		if u, err := godisk.Usage(dir); err == nil && u != nil {
+			free = u.Free
+		}
+	}
+
+	resp := diskStatusResp{
+		Emergency:      atomic.LoadInt32(&diskEmergency) == 1,
+		PauseGB:        pauseGB,
+		ResumeGB:       resumeGB,
+		FreeBytes:      free,
+		FreeBytesHuman: formatBytesSI(int64(free)),
+		RecordPath:     dir,
+	}
+
+	w.Header().Set("Cache-Control", "no-store")
+	writeJSON(w, http.StatusOK, resp)
+}
+
+// stopJobsInternal markiert Jobs als "stopping" und cancelt sie (inkl. Preview-FFmpeg Kill).
+// Nutzt 2 notify-Pushes, damit die UI Phase/Progress sofort sieht.
+func stopJobsInternal(list []*RecordJob) {
+	if len(list) == 0 {
+		return
+	}
+
+	type payload struct {
+		cmd    *exec.Cmd
+		cancel context.CancelFunc
+	}
+
+	pl := make([]payload, 0, len(list))
+
+	jobsMu.Lock()
+	for _, job := range list {
+		if job == nil {
+			continue
+		}
+		job.Phase = "stopping"
+		job.Progress = 10
+		pl = append(pl, payload{cmd: job.previewCmd, cancel: job.cancel})
+		job.previewCmd = nil
+	}
+	jobsMu.Unlock()
+
+	notifyJobsChanged() // 1) UI sofort updaten (Phase/Progress)
+
+	for _, p := range pl {
+		if p.cmd != nil && p.cmd.Process != nil {
+			_ = p.cmd.Process.Kill()
+		}
+		if p.cancel != nil {
+			p.cancel()
+		}
+	}
+
+	notifyJobsChanged() // 2) optional: nach Cancel/Kill nochmal pushen
+}
+
+func stopAllStoppableJobs() int {
+	stoppable := make([]*RecordJob, 0, 16)
+
+	jobsMu.Lock()
+	for _, j := range jobs {
+		if j == nil {
+			continue
+		}
+
+		if j.Status != JobRunning {
+			continue
+		}
+
+		phase := strings.ToLower(strings.TrimSpace(j.Phase))
+
+		// ✅ Im Disk-Notfall ALLES stoppen, was noch schreibt.
+		// Wir skippen nur Jobs, die sowieso schon im "stopping" sind.
+		if phase == "stopping" {
+			continue
+		}
+
+		stoppable = append(stoppable, j)
+	}
+	jobsMu.Unlock()
+
+	stopJobsInternal(stoppable)
+	return len(stoppable)
+}
+
+func sizeOfPathBestEffort(p string) uint64 {
+	p = strings.TrimSpace(p)
+	if p == "" {
+		return 0
+	}
+
+	// relativ -> absolut versuchen
+	if !filepath.IsAbs(p) {
+		if abs, err := resolvePathRelativeToApp(p); err == nil && strings.TrimSpace(abs) != "" {
+			p = abs
+		}
+	}
+
+	fi, err := os.Stat(p)
+	if err != nil || fi.IsDir() || fi.Size() <= 0 {
+		return 0
+	}
+	return uint64(fi.Size())
+}
+
+func inFlightBytesForJob(j *RecordJob) uint64 {
+	if j == nil {
+		return 0
+	}
+	// Prefer live-tracked bytes if available (accurate & cheap).
+	if j.SizeBytes > 0 {
+		return uint64(j.SizeBytes)
+	}
+	return sizeOfPathBestEffort(j.Output)
+}
+
+const giB = uint64(1024 * 1024 * 1024)
+
+// computeDiskThresholds:
+// Pause = ceil( (2 * inFlightBytes) / GiB )
+// Resume = Pause + 3 GB (Hysterese)
+// Wenn inFlight==0 => Pause/Resume = 0
+func computeDiskThresholds() (pauseGB int, resumeGB int, inFlight uint64, pauseNeed uint64, resumeNeed uint64) {
+	inFlight = sumInFlightBytes()
+	if inFlight == 0 {
+		return 0, 0, 0, 0, 0
+	}
+
+	need := inFlight * 2
+	pauseGB = int((need + giB - 1) / giB) // ceil
+
+	// Safety cap (nur zur Sicherheit, falls irgendwas eskaliert)
+	if pauseGB > 10_000 {
+		pauseGB = 10_000
+	}
+
+	resumeGB = pauseGB + 3
+	if resumeGB > 10_000 {
+		resumeGB = 10_000
+	}
+
+	pauseNeed = uint64(pauseGB) * giB
+	resumeNeed = uint64(resumeGB) * giB
+	return
+}
+
+// ✅ Summe der "wachsenden" Daten (running + remuxing etc.)
+// Idee: Für TS->MP4 Peak brauchst du grob nochmal die Größe der aktuellen Datei als Reserve.
+func sumInFlightBytes() uint64 {
+	var sum uint64
+
+	jobsMu.Lock()
+	defer jobsMu.Unlock()
+
+	for _, j := range jobs {
+		if j == nil {
+			continue
+		}
+		if j.Status != JobRunning {
+			continue
+		}
+
+		// Nimm die Datei, die gerade wächst.
+		// In deinem System ist das typischerweise j.Output (TS oder temporäres Ziel).
+		// Falls du ein separates Feld für "TempTS" o.ä. hast: hier ergänzen.
+		sum += inFlightBytesForJob(j)
+	}
+
+	return sum
+}
+
+// startDiskSpaceGuard läuft im Backend und reagiert auch ohne offenen Browser.
+// Bei wenig freiem Platz:
+//   - Autostart pausieren
+//   - laufende Jobs stoppen (nur Status=running und Phase leer)
+func startDiskSpaceGuard() {
+	t := time.NewTicker(diskGuardInterval)
+	defer t.Stop()
+
+	for range t.C {
+		s := getSettings()
+
+		// Pfad bestimmen, auf dem wir freien Speicher prüfen
+		recordDirAbs, _ := resolvePathRelativeToApp(s.RecordDir)
+		dir := strings.TrimSpace(recordDirAbs)
+		if dir == "" {
+			dir = strings.TrimSpace(s.RecordDir)
+		}
+		if dir == "" {
+			continue
+		}
+
+		u, err := godisk.Usage(dir)
+		if err != nil || u == nil {
+			continue
+		}
+		free := u.Free
+
+		// ✅ Dynamische Schwellen:
+		// Pause = ceil((2 * inFlight) / GiB)
+		// Resume = Pause + 3 GB
+		// pauseNeed/resumeNeed sind die benötigten freien Bytes
+		pauseGB, resumeGB, inFlight, pauseNeed, _ := computeDiskThresholds()
+
+		// Wenn nichts läuft, gibt es nichts zu reservieren.
+		// (Optional: Emergency zurücksetzen, damit Autostart wieder frei wird.)
+		if inFlight == 0 {
+			// Kein Auto-Recovery:
+			// Emergency bleibt aktiv, bis manuell zurückgesetzt wird.
+			continue
+		}
+
+		// Wenn Emergency aktiv ist, niemals automatisch freigeben.
+		// (Manueller Reset erforderlich)
+		if atomic.LoadInt32(&diskEmergency) == 1 {
+			continue
+		}
+
+		// ✅ Normalzustand: solange free >= pauseNeed, nichts tun
+		if free >= pauseNeed {
+			continue
+		}
+
+		// ✅ Trigger: Notbremse aktivieren, Jobs stoppen
+		atomic.StoreInt32(&diskEmergency, 1)
+		fmt.Printf(
+			"🛑 [disk] Low space: free=%s (%dB) (< %s, %dB, pause=%dGB resume=%dGB, inFlight=%s, %dB) -> stop jobs + block autostart via diskEmergency (path=%s)\n",
+			formatBytesSI(u64ToI64(free)), free,
+			formatBytesSI(u64ToI64(pauseNeed)), pauseNeed,
+			pauseGB, resumeGB,
+			formatBytesSI(u64ToI64(inFlight)), inFlight,
+			dir,
+		)
+
+		stopped := stopAllStoppableJobs()
+		if stopped > 0 {
+			fmt.Printf("🛑 [disk] Stop requested for %d job(s)\n", stopped)
+		}
+	}
+}

backend/generate.go

@@ -1,5 +1,4 @@
-// backend\assets_generate.go
-
+// backend/generate.go
 package main
 
 import (
@@ -57,27 +56,28 @@ func assetIDFromVideoPath(videoPath string) string {
 	return strings.TrimSpace(id)
 }
 
-// Liefert die standardisierten Pfade (thumbs.webp / preview.mp4 / meta.json)
-func assetPathsForID(id string) (assetDir, thumbPath, previewPath, metaPath string, err error) {
+// Liefert die standardisierten Pfade (thumbs.webp / preview.mp4 / preview-sprite.webp / meta.json)
+func assetPathsForID(id string) (assetDir, thumbPath, previewPath, spritePath, metaPath string, err error) {
 	id = strings.TrimSpace(id)
 	if id == "" {
-		return "", "", "", "", fmt.Errorf("empty id")
+		return "", "", "", "", "", fmt.Errorf("empty id")
 	}
 
 	assetDir, err = ensureGeneratedDir(id)
 	if err != nil || strings.TrimSpace(assetDir) == "" {
-		return "", "", "", "", fmt.Errorf("generated dir: %v", err)
+		return "", "", "", "", "", fmt.Errorf("generated dir: %v", err)
 	}
 
 	thumbPath = filepath.Join(assetDir, "thumbs.webp")
 	previewPath = filepath.Join(assetDir, "preview.mp4")
+	spritePath = filepath.Join(assetDir, "preview-sprite.webp")
 
 	metaPath, _ = metaJSONPathForAssetID(id) // bevorzugt generated/meta/<id>/meta.json
 	if strings.TrimSpace(metaPath) == "" {
 		metaPath = filepath.Join(assetDir, "meta.json")
 	}
 
-	return assetDir, thumbPath, previewPath, metaPath, nil
+	return assetDir, thumbPath, previewPath, spritePath, metaPath, nil
 }
 
 type ensuredMeta struct {
@@ -145,6 +145,7 @@ type EnsureAssetsResult struct {
 	Skipped          bool
 	ThumbGenerated   bool
 	PreviewGenerated bool
+	SpriteGenerated  bool
 	MetaOK           bool
 }
 
@@ -172,7 +173,7 @@ func ensureAssetsForVideoWithProgressCtx(ctx context.Context, videoPath string,
 	return res, err
 }
 
-// Core: generiert thumbs/preview/meta und sagt zurück was passiert ist.
+// Core: generiert thumbs/preview/sprite/meta und sagt zurück was passiert ist.
 func ensureAssetsForVideoDetailed(ctx context.Context, videoPath string, sourceURL string, onRatio func(r float64)) (EnsureAssetsResult, error) {
 	var out EnsureAssetsResult
 
@@ -191,7 +192,7 @@ func ensureAssetsForVideoDetailed(ctx context.Context, videoPath string, sourceU
 		return out, nil
 	}
 
-	_, thumbPath, previewPath, metaPath, perr := assetPathsForID(id)
+	_, thumbPath, previewPath, spritePath, metaPath, perr := assetPathsForID(id)
 	if perr != nil {
 		return out, perr
 	}
@@ -216,6 +217,7 @@ func ensureAssetsForVideoDetailed(ctx context.Context, videoPath string, sourceU
 		}
 		return false
 	}()
+
 	previewBefore := func() bool {
 		if pfi, err := os.Stat(previewPath); err == nil && !pfi.IsDir() && pfi.Size() > 0 {
 			return true
@@ -223,12 +225,19 @@ func ensureAssetsForVideoDetailed(ctx context.Context, videoPath string, sourceU
 		return false
 	}()
 
+	spriteBefore := func() bool {
+		if sfi, err := os.Stat(spritePath); err == nil && !sfi.IsDir() && sfi.Size() > 0 {
+			return true
+		}
+		return false
+	}()
+
 	// Meta sicherstellen (dedupliziert)
 	meta, _ := ensureVideoMeta(ctx, videoPath, metaPath, sourceURL, fi)
 	out.MetaOK = meta.ok
 
 	// Wenn alles da ist: skipped
-	if thumbBefore && previewBefore && meta.ok {
+	if thumbBefore && previewBefore && spriteBefore && meta.ok {
 		out.Skipped = true
 		progress(1)
 		return out, nil
@@ -296,44 +305,43 @@ func ensureAssetsForVideoDetailed(ctx context.Context, videoPath string, sourceU
 	}
 
 	// ----------------
-	// Preview
+	// Preview (MP4 teaser clips)
 	// ----------------
+	var computedPreviewClips []previewClip
+
 	if previewBefore {
-		progress(1)
-		return out, nil
-	}
-
-	func() {
-		genCtx, cancel := context.WithTimeout(ctx, 3*time.Minute)
-		defer cancel()
-
-		progress(thumbsW + 0.02)
-
-		if err := genSem.Acquire(genCtx); err != nil {
-			return
-		}
-		defer genSem.Release()
-
-		progress(thumbsW + 0.05)
-
-		if err := generateTeaserClipsMP4WithProgress(genCtx, videoPath, previewPath, 1.0, 18, func(r float64) {
-			if r < 0 {
-				r = 0
-			}
-			if r > 1 {
-				r = 1
-			}
-			progress(thumbsW + r*previewW)
-		}); err != nil {
-			fmt.Println("⚠️ preview clips:", err)
-			return
-		}
-
-		out.PreviewGenerated = true
-
-		// ✅ Preview-Clips (Starts + Dur) in meta.json schreiben (best-effort)
+		// Preview ist schon da -> nicht returnen, weil Sprite evtl. noch fehlt
+		progress(thumbsW + previewW)
+	} else {
 		func() {
-			// nur wenn wir die Original-Dauer kennen
+			genCtx, cancel := context.WithTimeout(ctx, 3*time.Minute)
+			defer cancel()
+
+			progress(thumbsW + 0.02)
+
+			if err := genSem.Acquire(genCtx); err != nil {
+				return
+			}
+			defer genSem.Release()
+
+			progress(thumbsW + 0.05)
+
+			if err := generateTeaserClipsMP4WithProgress(genCtx, videoPath, previewPath, 1.0, 18, func(r float64) {
+				if r < 0 {
+					r = 0
+				}
+				if r > 1 {
+					r = 1
+				}
+				progress(thumbsW + r*previewW)
+			}); err != nil {
+				fmt.Println("⚠️ preview clips:", err)
+				return
+			}
+
+			out.PreviewGenerated = true
+
+			// ✅ Preview-Clips berechnen (noch NICHT direkt schreiben)
 			if !(meta.durSec > 0) {
 				return
 			}
@@ -355,16 +363,121 @@ func ensureAssetsForVideoDetailed(ctx context.Context, videoPath string, sourceU
 			clips := make([]previewClip, 0, len(starts))
 			for _, s := range starts {
 				clips = append(clips, previewClip{
-					StartSeconds:    math.Round(s*1000) / 1000,      // 3 decimals wie ffmpeg arg
-					DurationSeconds: math.Round(segDur*1000) / 1000, // 3 decimals
+					StartSeconds:    math.Round(s*1000) / 1000,
+					DurationSeconds: math.Round(segDur*1000) / 1000,
 				})
 			}
 
-			// Originalvideo-fi (nicht preview-fi!), damit Validierung konsistent bleibt
-			_ = writeVideoMetaWithPreviewClips(metaPath, fi, meta.durSec, meta.vw, meta.vh, meta.fps, meta.sourceURL, clips)
+			// ✅ merken für finalen Meta-Write
+			computedPreviewClips = clips
 		}()
+	}
 
-	}()
+	// ----------------
+	// Preview Sprite (stashapp-like scrubber)
+	// ----------------
+	var spriteMeta *previewSpriteMeta
+
+	if spriteBefore {
+		// Meta trotzdem vorbereiten (für JSON)
+		if meta.durSec > 0 {
+			stepSec := 5.0
+			count := int(math.Floor(meta.durSec/stepSec)) + 1
+			if count < 1 {
+				count = 1
+			}
+			if count > 200 {
+				count = 200 // Schutz
+			}
+			cols, rows := chooseSpriteGrid(count)
+
+			spriteMeta = &previewSpriteMeta{
+				Path:        fmt.Sprintf("/api/preview-sprite/%s", id),
+				Count:       count,
+				Cols:        cols,
+				Rows:        rows,
+				StepSeconds: stepSec,
+			}
+		}
+	} else {
+		func() {
+			// nur sinnvoll wenn wir Dauer kennen
+			if !(meta.durSec > 0) {
+				return
+			}
+
+			genCtx, cancel := context.WithTimeout(ctx, 2*time.Minute)
+			defer cancel()
+
+			if err := genSem.Acquire(genCtx); err != nil {
+				return
+			}
+			defer genSem.Release()
+
+			stepSec := 5.0
+			count := int(math.Floor(meta.durSec/stepSec)) + 1
+			if count < 1 {
+				count = 1
+			}
+			if count > 200 {
+				count = 200 // Schutz gegen riesige Sprites
+			}
+
+			cols, rows := chooseSpriteGrid(count)
+
+			// Zellgröße (16:9) für Gallery-Thumbs
+			cellW := 160
+			cellH := 90
+
+			if err := generatePreviewSpriteWebP(genCtx, videoPath, spritePath, cols, rows, stepSec, cellW, cellH); err != nil {
+				fmt.Println("⚠️ preview sprite:", err)
+				return
+			}
+
+			out.SpriteGenerated = true
+
+			spriteMeta = &previewSpriteMeta{
+				Path:        fmt.Sprintf("/api/preview-sprite/%s", id),
+				Count:       count,
+				Cols:        cols,
+				Rows:        rows,
+				StepSeconds: stepSec,
+				CellWidth:   cellW,
+				CellHeight:  cellH,
+			}
+		}()
+	}
+
+	// ✅ Final meta write: Clips + Sprite zusammen persistieren
+	if meta.durSec > 0 {
+		// Falls wir in diesem Lauf keine neuen Clips berechnet haben:
+		// alte aus gültigem meta.json übernehmen (best effort)
+		if len(computedPreviewClips) == 0 {
+			if oldMeta, ok := readVideoMetaIfValid(metaPath, fi); ok && oldMeta != nil && len(oldMeta.PreviewClips) > 0 {
+				computedPreviewClips = oldMeta.PreviewClips
+			}
+		}
+
+		// Falls wir in diesem Lauf kein neues spriteMeta gesetzt haben:
+		// altes aus gültigem meta.json übernehmen
+		if spriteMeta == nil {
+			if oldMeta, ok := readVideoMetaIfValid(metaPath, fi); ok && oldMeta != nil && oldMeta.PreviewSprite != nil {
+				spriteMeta = oldMeta.PreviewSprite
+			}
+		}
+
+		_ = writeVideoMetaWithPreviewClipsAndSprite(
+			metaPath,
+			fi,
+			meta.durSec,
+			meta.vw,
+			meta.vh,
+			meta.fps,
+			meta.sourceURL,
+			computedPreviewClips,
+			spriteMeta,
+		)
+	}
 
 	progress(1)
 	return out, nil

backend/generate_sprite.go

@@ -0,0 +1,152 @@
+// backend\generate_sprite.go
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"math"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"strings"
+)
+
+// chooseSpriteGrid wählt ein sinnvolles cols/rows-Grid für count Frames.
+// Ziel: wenig leere Zellen + eher horizontales Layout (passt gut zu 16:9 Cells).
+func chooseSpriteGrid(count int) (cols, rows int) {
+	if count <= 0 {
+		return 1, 1
+	}
+	if count == 1 {
+		return 1, 1
+	}
+
+	targetRatio := 16.0 / 9.0 // wir bevorzugen horizontale Spritesheets
+	bestCols, bestRows := 1, count
+	bestWaste := math.MaxInt
+	bestRatioScore := math.MaxFloat64
+
+	for c := 1; c <= count; c++ {
+		r := int(math.Ceil(float64(count) / float64(c)))
+		if r <= 0 {
+			r = 1
+		}
+
+		waste := c*r - count
+		ratio := float64(c) / float64(r)
+		ratioScore := math.Abs(ratio - targetRatio)
+
+		// Priorität:
+		// 1) weniger leere Zellen
+		// 2) näher an targetRatio
+		// 3) bei Gleichstand weniger Rows (lieber breiter als hoch)
+		if waste < bestWaste ||
+			(waste == bestWaste && ratioScore < bestRatioScore) ||
+			(waste == bestWaste && ratioScore == bestRatioScore && r < bestRows) {
+			bestWaste = waste
+			bestRatioScore = ratioScore
+			bestCols = c
+			bestRows = r
+		}
+	}
+
+	return bestCols, bestRows
+}
+
+// generatePreviewSpriteWebP erzeugt ein statisches WebP-Spritesheet aus einem Video.
+// ffmpeg muss im PATH verfügbar sein.
+func generatePreviewSpriteWebP(
+	ctx context.Context,
+	videoPath string,
+	outPath string,
+	cols int,
+	rows int,
+	stepSec float64,
+	cellW int,
+	cellH int,
+) error {
+	videoPath = strings.TrimSpace(videoPath)
+	outPath = strings.TrimSpace(outPath)
+
+	if videoPath == "" {
+		return fmt.Errorf("generatePreviewSpriteWebP: empty videoPath")
+	}
+	if outPath == "" {
+		return fmt.Errorf("generatePreviewSpriteWebP: empty outPath")
+	}
+	if cols <= 0 || rows <= 0 {
+		return fmt.Errorf("generatePreviewSpriteWebP: invalid grid %dx%d", cols, rows)
+	}
+	if stepSec <= 0 {
+		return fmt.Errorf("generatePreviewSpriteWebP: invalid stepSec %.3f", stepSec)
+	}
+	if cellW <= 0 || cellH <= 0 {
+		return fmt.Errorf("generatePreviewSpriteWebP: invalid cell size %dx%d", cellW, cellH)
+	}
+
+	// Zielordner sicherstellen
+	if err := os.MkdirAll(filepath.Dir(outPath), 0o755); err != nil {
+		return fmt.Errorf("mkdir sprite dir: %w", err)
+	}
+
+	// Temp-Datei im gleichen Verzeichnis für atomaren Replace
+	tmpPath := outPath + ".tmp"
+
+	// fps=1/stepSec nimmt alle stepSec Sekunden einen Frame
+	// scale+pad erzwingt feste Zellgröße (wichtig für korrektes background-positioning im Frontend)
+	vf := fmt.Sprintf(
+		"fps=1/%g,scale=%d:%d:force_original_aspect_ratio=decrease:flags=lanczos,"+
+			"pad=%d:%d:(ow-iw)/2:(oh-ih)/2:black,tile=%dx%d:margin=0:padding=0",
+		stepSec,
+		cellW, cellH,
+		cellW, cellH,
+		cols, rows,
+	)
+
+	// Statisches WebP-Spritesheet
+	cmd := exec.CommandContext(
+		ctx,
+		"ffmpeg",
+		"-hide_banner",
+		"-loglevel", "error",
+		"-y",
+		"-i", videoPath,
+		"-an",
+		"-sn",
+		"-vf", vf,
+		"-frames:v", "1",
+		"-c:v", "libwebp",
+		"-lossless", "0",
+		"-compression_level", "6",
+		"-q:v", "80",
+		tmpPath,
+	)
+
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		msg := strings.TrimSpace(string(out))
+		if msg != "" {
+			return fmt.Errorf("ffmpeg sprite failed: %w: %s", err, msg)
+		}
+		return fmt.Errorf("ffmpeg sprite failed: %w", err)
+	}
+
+	fi, err := os.Stat(tmpPath)
+	if err != nil {
+		return fmt.Errorf("sprite temp stat failed: %w", err)
+	}
+	if fi.IsDir() || fi.Size() <= 0 {
+		_ = os.Remove(tmpPath)
+		return fmt.Errorf("sprite temp file invalid/empty")
+	}
+
+	// Windows: Ziel vorher löschen, damit Rename klappt
+	_ = os.Remove(outPath)
+	if err := os.Rename(tmpPath, outPath); err != nil {
+		_ = os.Remove(tmpPath)
+		return fmt.Errorf("sprite rename failed: %w", err)
+	}
+
+	return nil
+}

backend/main.go

@@ -917,132 +917,6 @@ func perfStreamHandler(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-// -------------------------
-// Low disk space guard
-//  - pausiert Autostart
-//  - stoppt laufende Downloads
-// -------------------------
-
-const (
-	diskGuardInterval = 5 * time.Second
-)
-
-var diskEmergency int32 // 0=false, 1=true
-
-type diskStatusResp struct {
-	Emergency      bool   `json:"emergency"`
-	PauseGB        int    `json:"pauseGB"`
-	ResumeGB       int    `json:"resumeGB"`
-	FreeBytes      uint64 `json:"freeBytes"`
-	FreeBytesHuman string `json:"freeBytesHuman"`
-	RecordPath     string `json:"recordPath"`
-}
-
-func diskStatusHandler(w http.ResponseWriter, r *http.Request) {
-	if r.Method != http.MethodGet && r.Method != http.MethodHead {
-		http.Error(w, "Nur GET/HEAD erlaubt", http.StatusMethodNotAllowed)
-		return
-	}
-
-	s := getSettings()
-
-	pauseGB, resumeGB, _, _, _ := computeDiskThresholds()
-
-	recordDirAbs, _ := resolvePathRelativeToApp(s.RecordDir)
-	dir := strings.TrimSpace(recordDirAbs)
-	if dir == "" {
-		dir = strings.TrimSpace(s.RecordDir)
-	}
-
-	free := uint64(0)
-	if dir != "" {
-		if u, err := godisk.Usage(dir); err == nil && u != nil {
-			free = u.Free
-		}
-	}
-
-	resp := diskStatusResp{
-		Emergency:      atomic.LoadInt32(&diskEmergency) == 1,
-		PauseGB:        pauseGB,
-		ResumeGB:       resumeGB,
-		FreeBytes:      free,
-		FreeBytesHuman: formatBytesSI(int64(free)),
-		RecordPath:     dir,
-	}
-
-	w.Header().Set("Cache-Control", "no-store")
-	writeJSON(w, http.StatusOK, resp)
-}
-
-// stopJobsInternal markiert Jobs als "stopping" und cancelt sie (inkl. Preview-FFmpeg Kill).
-// Nutzt 2 notify-Pushes, damit die UI Phase/Progress sofort sieht.
-func stopJobsInternal(list []*RecordJob) {
-	if len(list) == 0 {
-		return
-	}
-
-	type payload struct {
-		cmd    *exec.Cmd
-		cancel context.CancelFunc
-	}
-
-	pl := make([]payload, 0, len(list))
-
-	jobsMu.Lock()
-	for _, job := range list {
-		if job == nil {
-			continue
-		}
-		job.Phase = "stopping"
-		job.Progress = 10
-		pl = append(pl, payload{cmd: job.previewCmd, cancel: job.cancel})
-		job.previewCmd = nil
-	}
-	jobsMu.Unlock()
-
-	notifyJobsChanged() // 1) UI sofort updaten (Phase/Progress)
-
-	for _, p := range pl {
-		if p.cmd != nil && p.cmd.Process != nil {
-			_ = p.cmd.Process.Kill()
-		}
-		if p.cancel != nil {
-			p.cancel()
-		}
-	}
-
-	notifyJobsChanged() // 2) optional: nach Cancel/Kill nochmal pushen
-}
-
-func stopAllStoppableJobs() int {
-	stoppable := make([]*RecordJob, 0, 16)
-
-	jobsMu.Lock()
-	for _, j := range jobs {
-		if j == nil {
-			continue
-		}
-
-		if j.Status != JobRunning {
-			continue
-		}
-
-		phase := strings.ToLower(strings.TrimSpace(j.Phase))
-
-		// ✅ Im Disk-Notfall ALLES stoppen, was noch schreibt.
-		// Wir skippen nur Jobs, die sowieso schon im "stopping" sind.
-		if phase == "stopping" {
-			continue
-		}
-
-		stoppable = append(stoppable, j)
-	}
-	jobsMu.Unlock()
-
-	stopJobsInternal(stoppable)
-	return len(stoppable)
-}
-
 func shouldAutoDeleteSmallDownload(filePath string) (bool, int64, int64) {
 	// returns: (shouldDelete, sizeBytes, thresholdBytes)
 
@@ -1081,177 +955,6 @@ func shouldAutoDeleteSmallDownload(filePath string) (bool, int64, int64) {
 	return false, size, thr
 }
 
-func sizeOfPathBestEffort(p string) uint64 {
-	p = strings.TrimSpace(p)
-	if p == "" {
-		return 0
-	}
-
-	// relativ -> absolut versuchen
-	if !filepath.IsAbs(p) {
-		if abs, err := resolvePathRelativeToApp(p); err == nil && strings.TrimSpace(abs) != "" {
-			p = abs
-		}
-	}
-
-	fi, err := os.Stat(p)
-	if err != nil || fi.IsDir() || fi.Size() <= 0 {
-		return 0
-	}
-	return uint64(fi.Size())
-}
-
-func inFlightBytesForJob(j *RecordJob) uint64 {
-	if j == nil {
-		return 0
-	}
-	// Prefer live-tracked bytes if available (accurate & cheap).
-	if j.SizeBytes > 0 {
-		return uint64(j.SizeBytes)
-	}
-	return sizeOfPathBestEffort(j.Output)
-}
-
-const giB = uint64(1024 * 1024 * 1024)
-
-// computeDiskThresholds:
-// Pause = ceil( (2 * inFlightBytes) / GiB )
-// Resume = Pause + 3 GB (Hysterese)
-// Wenn inFlight==0 => Pause/Resume = 0
-func computeDiskThresholds() (pauseGB int, resumeGB int, inFlight uint64, pauseNeed uint64, resumeNeed uint64) {
-	inFlight = sumInFlightBytes()
-	if inFlight == 0 {
-		return 0, 0, 0, 0, 0
-	}
-
-	need := inFlight * 2
-	pauseGB = int((need + giB - 1) / giB) // ceil
-
-	// Safety cap (nur zur Sicherheit, falls irgendwas eskaliert)
-	if pauseGB > 10_000 {
-		pauseGB = 10_000
-	}
-
-	resumeGB = pauseGB + 3
-	if resumeGB > 10_000 {
-		resumeGB = 10_000
-	}
-
-	pauseNeed = uint64(pauseGB) * giB
-	resumeNeed = uint64(resumeGB) * giB
-	return
-}
-
-// ✅ Summe der "wachsenden" Daten (running + remuxing etc.)
-// Idee: Für TS->MP4 Peak brauchst du grob nochmal die Größe der aktuellen Datei als Reserve.
-func sumInFlightBytes() uint64 {
-	var sum uint64
-
-	jobsMu.Lock()
-	defer jobsMu.Unlock()
-
-	for _, j := range jobs {
-		if j == nil {
-			continue
-		}
-		if j.Status != JobRunning {
-			continue
-		}
-
-		// Nimm die Datei, die gerade wächst.
-		// In deinem System ist das typischerweise j.Output (TS oder temporäres Ziel).
-		// Falls du ein separates Feld für "TempTS" o.ä. hast: hier ergänzen.
-		sum += inFlightBytesForJob(j)
-	}
-
-	return sum
-}
-
-// startDiskSpaceGuard läuft im Backend und reagiert auch ohne offenen Browser.
-// Bei wenig freiem Platz:
-//   - Autostart pausieren
-//   - laufende Jobs stoppen (nur Status=running und Phase leer)
-func startDiskSpaceGuard() {
-	t := time.NewTicker(diskGuardInterval)
-	defer t.Stop()
-
-	for range t.C {
-		s := getSettings()
-
-		// Pfad bestimmen, auf dem wir freien Speicher prüfen
-		recordDirAbs, _ := resolvePathRelativeToApp(s.RecordDir)
-		dir := strings.TrimSpace(recordDirAbs)
-		if dir == "" {
-			dir = strings.TrimSpace(s.RecordDir)
-		}
-		if dir == "" {
-			continue
-		}
-
-		u, err := godisk.Usage(dir)
-		if err != nil || u == nil {
-			continue
-		}
-		free := u.Free
-
-		// ✅ Dynamische Schwellen:
-		// Pause = ceil((2 * inFlight) / GiB)
-		// Resume = Pause + 3 GB
-		// pauseNeed/resumeNeed sind die benötigten freien Bytes
-		pauseGB, resumeGB, inFlight, pauseNeed, resumeNeed := computeDiskThresholds()
-
-		// Wenn nichts läuft, gibt es nichts zu reservieren.
-		// (Optional: Emergency zurücksetzen, damit Autostart wieder frei wird.)
-		if inFlight == 0 {
-			if atomic.LoadInt32(&diskEmergency) == 1 {
-				atomic.StoreInt32(&diskEmergency, 0)
-				fmt.Printf(
-					"✅ [disk] No active jobs: emergency cleared (free=%s, path=%s)\n",
-					formatBytesSI(u64ToI64(free)),
-					dir,
-				)
-			}
-			continue
-		}
-
-		// ✅ Hysterese: erst ab resumeNeed wieder "bereit"
-		if atomic.LoadInt32(&diskEmergency) == 1 {
-			if free >= resumeNeed {
-				atomic.StoreInt32(&diskEmergency, 0)
-				fmt.Printf(
-					"✅ [disk] Recovered: free=%s (%dB) (>= %s, %dB) emergency cleared (pause=%dGB resume=%dGB inFlight=%s, %dB)\n",
-					formatBytesSI(u64ToI64(free)), free,
-					formatBytesSI(u64ToI64(resumeNeed)), resumeNeed,
-					pauseGB, resumeGB,
-					formatBytesSI(u64ToI64(inFlight)), inFlight,
-				)
-			}
-			continue
-		}
-
-		// ✅ Normalzustand: solange free >= pauseNeed, nichts tun
-		if free >= pauseNeed {
-			continue
-		}
-
-		// ✅ Trigger: Notbremse aktivieren, Jobs stoppen
-		atomic.StoreInt32(&diskEmergency, 1)
-		fmt.Printf(
-			"🛑 [disk] Low space: free=%s (%dB) (< %s, %dB, pause=%dGB resume=%dGB, inFlight=%s, %dB) -> stop jobs + block autostart via diskEmergency (path=%s)\n",
-			formatBytesSI(u64ToI64(free)), free,
-			formatBytesSI(u64ToI64(pauseNeed)), pauseNeed,
-			pauseGB, resumeGB,
-			formatBytesSI(u64ToI64(inFlight)), inFlight,
-			dir,
-		)
-
-		stopped := stopAllStoppableJobs()
-		if stopped > 0 {
-			fmt.Printf("🛑 [disk] Stop requested for %d job(s)\n", stopped)
-		}
-	}
-}
-
 func setJobPhase(job *RecordJob, phase string, progress int) {
 	if progress < 0 {
 		progress = 0

backend/meta.go

@@ -19,6 +19,16 @@ type previewClip struct {
 	DurationSeconds float64 `json:"durationSeconds"`
 }
 
+type previewSpriteMeta struct {
+	Path        string  `json:"path"`        // z.B. /api/preview-sprite/<id>
+	Count       int     `json:"count"`       // Anzahl Frames im Sprite
+	Cols        int     `json:"cols"`        // Spalten im Tile
+	Rows        int     `json:"rows"`        // Zeilen im Tile
+	StepSeconds float64 `json:"stepSeconds"` // Zeitabstand zwischen Frames (z.B. 5)
+	CellWidth   int     `json:"cellWidth,omitempty"`
+	CellHeight  int     `json:"cellHeight,omitempty"`
+}
+
 type videoMeta struct {
 	Version         int     `json:"version"`
 	DurationSeconds float64 `json:"durationSeconds"`
@@ -30,8 +40,9 @@ type videoMeta struct {
 	FPS         float64 `json:"fps,omitempty"`
 	Resolution  string  `json:"resolution,omitempty"` // z.B. "1920x1080"
 
-	SourceURL    string        `json:"sourceUrl,omitempty"`
-	PreviewClips []previewClip `json:"previewClips,omitempty"`
+	SourceURL     string             `json:"sourceUrl,omitempty"`
+	PreviewClips  []previewClip      `json:"previewClips,omitempty"`
+	PreviewSprite *previewSpriteMeta `json:"previewSprite,omitempty"`
 
 	UpdatedAtUnix int64 `json:"updatedAtUnix"`
 }
@@ -148,6 +159,44 @@ func writeVideoMetaWithPreviewClips(metaPath string, fi os.FileInfo, dur float64
 	return atomicWriteFile(metaPath, buf)
 }
 
+func writeVideoMetaWithPreviewClipsAndSprite(
+	metaPath string,
+	fi os.FileInfo,
+	dur float64,
+	w int,
+	h int,
+	fps float64,
+	sourceURL string,
+	clips []previewClip,
+	sprite *previewSpriteMeta,
+) error {
+	if strings.TrimSpace(metaPath) == "" || dur <= 0 {
+		return nil
+	}
+
+	m := videoMeta{
+		Version:         2,
+		DurationSeconds: dur,
+		FileSize:        fi.Size(),
+		FileModUnix:     fi.ModTime().Unix(),
+		VideoWidth:      w,
+		VideoHeight:     h,
+		FPS:             fps,
+		Resolution:      formatResolution(w, h),
+		SourceURL:       strings.TrimSpace(sourceURL),
+		PreviewClips:    clips,
+		PreviewSprite:   sprite,
+		UpdatedAtUnix:   time.Now().Unix(),
+	}
+
+	buf, err := json.Marshal(m)
+	if err != nil {
+		return err
+	}
+	buf = append(buf, '\n')
+	return atomicWriteFile(metaPath, buf)
+}
+
 // Duration-only Write (ohne props)
 func writeVideoMetaDuration(metaPath string, fi os.FileInfo, dur float64, sourceURL string) error {
 	return writeVideoMeta(metaPath, fi, dur, 0, 0, 0, sourceURL)
@@ -218,6 +267,14 @@ func generatedPreviewFile(id string) (string, error) {
 	return filepath.Join(dir, "preview.mp4"), nil
 }
 
+func generatedPreviewSpriteFile(id string) (string, error) {
+	dir, err := generatedDirForID(id)
+	if err != nil {
+		return "", err
+	}
+	return filepath.Join(dir, "preview-sprite.webp"), nil
+}
+
 func ensureGeneratedDirs() error {
 	root, err := generatedMetaRoot()
 	if err != nil {

backend/models_store.go

@@ -16,14 +16,16 @@ import (
 )
 
 type StoredModel struct {
-	ID         string `json:"id"`    // unique (wir verwenden host:modelKey)
-	Input      string `json:"input"` // Original-URL/Eingabe
-	IsURL      bool   `json:"isUrl"` // vom Parser
-	Host       string `json:"host,omitempty"`
-	Path       string `json:"path,omitempty"`
-	ModelKey   string `json:"modelKey"` // Display/Key
-	Tags       string `json:"tags,omitempty"`
-	LastStream string `json:"lastStream,omitempty"`
+	ID               string `json:"id"`    // unique (wir verwenden host:modelKey)
+	Input            string `json:"input"` // Original-URL/Eingabe
+	IsURL            bool   `json:"isUrl"` // vom Parser
+	Host             string `json:"host,omitempty"`
+	Path             string `json:"path,omitempty"`
+	ModelKey         string `json:"modelKey"` // Display/Key
+	Tags             string `json:"tags,omitempty"`
+	LastStream       string `json:"lastStream,omitempty"`
+	LastSeenOnline   *bool  `json:"lastSeenOnline,omitempty"`   // nil = unbekannt
+	LastSeenOnlineAt string `json:"lastSeenOnlineAt,omitempty"` // RFC3339Nano
 
 	Watching bool  `json:"watching"`
 	Favorite bool  `json:"favorite"`
@@ -356,6 +358,9 @@ CREATE TABLE IF NOT EXISTS models (
   biocontext_json TEXT,
   biocontext_fetched_at TEXT,
 
+  last_seen_online INTEGER NULL, -- NULL/0/1
+  last_seen_online_at TEXT,
+
   watching   INTEGER NOT NULL DEFAULT 0,
   favorite   INTEGER NOT NULL DEFAULT 0,
   hot        INTEGER NOT NULL DEFAULT 0,
@@ -418,6 +423,18 @@ func ensureModelsColumns(db *sql.DB) error {
 		}
 	}
 
+	// ✅ Last seen online/offline (persistente Presence-Infos)
+	if !cols["last_seen_online"] {
+		if _, err := db.Exec(`ALTER TABLE models ADD COLUMN last_seen_online INTEGER NULL;`); err != nil {
+			return err
+		}
+	}
+	if !cols["last_seen_online_at"] {
+		if _, err := db.Exec(`ALTER TABLE models ADD COLUMN last_seen_online_at TEXT;`); err != nil {
+			return err
+		}
+	}
+
 	return nil
 }
 
@@ -458,6 +475,24 @@ func ptrLikedFromNull(n sql.NullInt64) *bool {
 	return &v
 }
 
+func nullBoolToNullInt64(p *bool) sql.NullInt64 {
+	if p == nil {
+		return sql.NullInt64{Valid: false}
+	}
+	if *p {
+		return sql.NullInt64{Valid: true, Int64: 1}
+	}
+	return sql.NullInt64{Valid: true, Int64: 0}
+}
+
+func ptrBoolFromNullInt64(n sql.NullInt64) *bool {
+	if !n.Valid {
+		return nil
+	}
+	v := n.Int64 != 0
+	return &v
+}
+
 // --- Biocontext Cache (persistente Bio-Infos aus Chaturbate) ---
 
 // GetBioContext liefert das zuletzt gespeicherte Biocontext-JSON (+ Zeitstempel).
@@ -556,6 +591,77 @@ func (s *ModelStore) SetBioContext(host, modelKey, jsonStr, fetchedAt string) er
 	return err
 }
 
+// SetLastSeenOnline speichert den zuletzt bekannten Online/Offline-Status (+ Zeit)
+// dauerhaft in der DB. Legt das Model (host+modelKey) bei Bedarf minimal an.
+func (s *ModelStore) SetLastSeenOnline(host, modelKey string, online bool, seenAt string) error {
+	if err := s.ensureInit(); err != nil {
+		return err
+	}
+	host = canonicalHost(host)
+	key := strings.TrimSpace(modelKey)
+	if host == "" || key == "" {
+		return errors.New("host/modelKey fehlt")
+	}
+
+	ts := strings.TrimSpace(seenAt)
+	if ts == "" {
+		ts = time.Now().UTC().Format(time.RFC3339Nano)
+	}
+	now := time.Now().UTC().Format(time.RFC3339Nano)
+
+	var onlineArg any = int64(0)
+	if online {
+		onlineArg = int64(1)
+	}
+
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	// Erst versuchen, vorhandenes Model zu aktualisieren
+	res, err := s.db.Exec(`
+		UPDATE models
+		SET last_seen_online=?, last_seen_online_at=?, updated_at=?
+		WHERE lower(trim(host)) = lower(trim(?))
+		  AND lower(trim(model_key)) = lower(trim(?));
+	`, onlineArg, ts, now, host, key)
+	if err != nil {
+		return err
+	}
+
+	aff, _ := res.RowsAffected()
+	if aff > 0 {
+		return nil
+	}
+
+	// Falls noch kein Model existiert: minimal anlegen
+	id := canonicalID(host, key)
+	input := "https://" + host + "/" + key + "/"
+	path := "/" + key + "/"
+
+	_, err = s.db.Exec(`
+		INSERT INTO models (
+			id,input,is_url,host,path,model_key,
+			tags,last_stream,
+			biocontext_json,biocontext_fetched_at,
+			last_seen_online,last_seen_online_at,
+			watching,favorite,hot,keep,liked,
+			created_at,updated_at
+		) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
+		ON CONFLICT(id) DO UPDATE SET
+			last_seen_online=excluded.last_seen_online,
+			last_seen_online_at=excluded.last_seen_online_at,
+			updated_at=excluded.updated_at;
+	`,
+		id, input, int64(1), host, path, key,
+		"", "",
+		nil, nil,
+		onlineArg, ts,
+		int64(0), int64(0), int64(0), int64(0), nil,
+		now, now,
+	)
+	return err
+}
+
 func (s *ModelStore) migrateFromJSONIfEmpty() error {
 	// DB leer?
 	var cnt int
@@ -829,6 +935,7 @@ func (s *ModelStore) List() []StoredModel {
 	SELECT
 	id,input,is_url,host,path,model_key,
 	tags, COALESCE(last_stream,''),
+	last_seen_online, COALESCE(last_seen_online_at,''),
 	watching,favorite,hot,keep,liked,
 	created_at,updated_at
 	FROM models
@@ -846,10 +953,13 @@ func (s *ModelStore) List() []StoredModel {
 			id, input, host, path, modelKey, tags, lastStream, createdAt, updatedAt string
 			isURL, watching, favorite, hot, keep                                    int64
 			liked                                                                   sql.NullInt64
+			lastSeenOnline                                                          sql.NullInt64
+			lastSeenOnlineAt                                                        string
 		)
 		if err := rows.Scan(
 			&id, &input, &isURL, &host, &path, &modelKey,
 			&tags, &lastStream,
+			&lastSeenOnline, &lastSeenOnlineAt,
 			&watching, &favorite, &hot, &keep, &liked,
 			&createdAt, &updatedAt,
 		); err != nil {
@@ -857,21 +967,23 @@ func (s *ModelStore) List() []StoredModel {
 		}
 
 		out = append(out, StoredModel{
-			ID:         id,
-			Input:      input,
-			IsURL:      isURL != 0,
-			Host:       host,
-			Path:       path,
-			ModelKey:   modelKey,
-			Watching:   watching != 0,
-			Tags:       tags,
-			LastStream: lastStream,
-			Favorite:   favorite != 0,
-			Hot:        hot != 0,
-			Keep:       keep != 0,
-			Liked:      ptrLikedFromNull(liked),
-			CreatedAt:  createdAt,
-			UpdatedAt:  updatedAt,
+			ID:               id,
+			Input:            input,
+			IsURL:            isURL != 0,
+			Host:             host,
+			Path:             path,
+			ModelKey:         modelKey,
+			Watching:         watching != 0,
+			LastSeenOnline:   ptrBoolFromNullInt64(lastSeenOnline),
+			LastSeenOnlineAt: lastSeenOnlineAt,
+			Tags:             tags,
+			LastStream:       lastStream,
+			Favorite:         favorite != 0,
+			Hot:              hot != 0,
+			Keep:             keep != 0,
+			Liked:            ptrLikedFromNull(liked),
+			CreatedAt:        createdAt,
+			UpdatedAt:        updatedAt,
 		})
 	}
 
@@ -1174,12 +1286,15 @@ func (s *ModelStore) getByID(id string) (StoredModel, error) {
 		input, host, path, modelKey, tags, lastStream, createdAt, updatedAt string
 		isURL, watching, favorite, hot, keep                                int64
 		liked                                                               sql.NullInt64
+		lastSeenOnlineAt                                                    string
+		lastSeenOnline                                                      sql.NullInt64
 	)
 
 	err := s.db.QueryRow(`
 SELECT
   input,is_url,host,path,model_key,
   tags, COALESCE(last_stream,''),
+  last_seen_online, COALESCE(last_seen_online_at,''),
   watching,favorite,hot,keep,liked,
   created_at,updated_at
 FROM models
@@ -1187,6 +1302,7 @@ WHERE id=?;
 `, id).Scan(
 		&input, &isURL, &host, &path, &modelKey,
 		&tags, &lastStream,
+		&lastSeenOnline, &lastSeenOnlineAt,
 		&watching, &favorite, &hot, &keep, &liked,
 		&createdAt, &updatedAt,
 	)
@@ -1198,20 +1314,22 @@ WHERE id=?;
 	}
 
 	return StoredModel{
-		ID:         id,
-		Input:      input,
-		IsURL:      isURL != 0,
-		Host:       host,
-		Path:       path,
-		ModelKey:   modelKey,
-		Tags:       tags,
-		LastStream: lastStream,
-		Watching:   watching != 0,
-		Favorite:   favorite != 0,
-		Hot:        hot != 0,
-		Keep:       keep != 0,
-		Liked:      ptrLikedFromNull(liked),
-		CreatedAt:  createdAt,
-		UpdatedAt:  updatedAt,
+		ID:               id,
+		Input:            input,
+		IsURL:            isURL != 0,
+		Host:             host,
+		Path:             path,
+		ModelKey:         modelKey,
+		Tags:             tags,
+		LastStream:       lastStream,
+		LastSeenOnline:   ptrBoolFromNullInt64(lastSeenOnline),
+		LastSeenOnlineAt: lastSeenOnlineAt,
+		Watching:         watching != 0,
+		Favorite:         favorite != 0,
+		Hot:              hot != 0,
+		Keep:             keep != 0,
+		Liked:            ptrLikedFromNull(liked),
+		CreatedAt:        createdAt,
+		UpdatedAt:        updatedAt,
 	}, nil
 }

backend/preview_hls.go

@@ -386,7 +386,7 @@ func startPreviewHLS(ctx context.Context, job *RecordJob, m3u8URL, previewDir, h
 		jobsMu.Unlock()
 	}()
 
-	// ✅ Live thumb writer starten (schreibt generated/<jobId>/thumbs.webp regelmäßig neu)
+	// ✅ Live thumb writer starten (schreibt generated/<assetID>/thumbs.webp regelmäßig neu)
 	startLiveThumbWebPLoop(ctx, job)
 
 	return nil

backend/preview_m3u8_rewrite.go

@@ -9,9 +9,9 @@ import (
 )
 
 func rewriteM3U8(raw []byte, id string) []byte {
-	// Wir bauen alle URIs so um, dass sie wieder über /api/record/preview laufen.
+	// Wir bauen alle URIs so um, dass sie wieder über /api/preview laufen.
 	// Wichtig: play=1 bleibt dran, damit Folge-Requests (segments, chunklists) auch ohne Hover gehen.
-	base := "/api/record/preview?id=" + url.QueryEscape(id) + "&file="
+	base := "/api/preview?id=" + url.QueryEscape(id) + "&file="
 
 	var out bytes.Buffer
 	sc := bufio.NewScanner(bytes.NewReader(raw))
@@ -48,7 +48,7 @@ func rewriteM3U8(raw []byte, id string) []byte {
 		}
 
 		// Wenn es schon unser API ist, lassen
-		if strings.Contains(u, "/api/record/preview") {
+		if strings.Contains(u, "/api/preview") {
 			out.WriteString(line)
 			out.WriteByte('\n')
 			continue
@@ -89,7 +89,7 @@ func rewriteAttrURI(line, base string) string {
 	valTrim := strings.TrimSpace(val)
 
 	// absolut oder schon preview => nix tun
-	if strings.HasPrefix(valTrim, "http://") || strings.HasPrefix(valTrim, "https://") || strings.Contains(valTrim, "/api/record/preview") {
+	if strings.HasPrefix(valTrim, "http://") || strings.HasPrefix(valTrim, "https://") || strings.Contains(valTrim, "/api/preview") {
 		return line
 	}
 

backend/preview_webp.go

@@ -617,23 +617,7 @@ func startLiveThumbWebPLoop(ctx context.Context, job *RecordJob) {
 		updateLiveThumbWebPOnce(ctx, job)
 
 		for {
-			// dynamische Frequenz: je mehr aktive Jobs, desto langsamer (weniger Last)
-			jobsMu.Lock()
-			nRunning := 0
-			for _, j := range jobs {
-				if j != nil && j.Status == JobRunning {
-					nRunning++
-				}
-			}
-			jobsMu.Unlock()
-
-			delay := 12 * time.Second
-			if nRunning >= 6 {
-				delay = 18 * time.Second
-			}
-			if nRunning >= 12 {
-				delay = 25 * time.Second
-			}
+			delay := 10 * time.Second
 
 			select {
 			case <-ctx.Done():

backend/record_handlers.go

@@ -6,14 +6,10 @@ import (
 	"context"
 	"encoding/base64"
 	"encoding/json"
-	"errors"
 	"fmt"
-	"io"
-	"net"
 	"net/http"
 	"net/url"
 	"os"
-	"os/exec"
 	"path"
 	"path/filepath"
 	"runtime"
@@ -22,7 +18,6 @@ import (
 	"strings"
 	"sync"
 	"sync/atomic"
-	"syscall"
 	"time"
 )
 
@@ -291,25 +286,18 @@ func ensureMetaJSONForPlayback(ctx context.Context, videoPath string) {
 		return
 	}
 
-	// Versuche Meta aus dem Video zu extrahieren (FFprobe)
-	// -> du hast bereits ensureFFprobeAvailable(), getVideoHeightCached(), durationSecondsCached(), etc.
-	if err := ensureFFprobeAvailable(); err != nil {
-		return
-	}
-
 	// kleiner Timeout: wir wollen Playback nicht “ewig” blockieren
 	pctx, cancel := context.WithTimeout(ctx, 4*time.Second)
 	defer cancel()
 
-	// Dauer
-	dur, derr := durationSecondsCached(pctx, videoPath)
-	if derr != nil || dur <= 0 {
-		// best-effort: nicht blockieren
-		dur = 0
+	// Dauer (best effort)
+	dur := 0.0
+	if d, derr := durationSecondsCached(pctx, videoPath); derr == nil && d > 0 {
+		dur = d
 	}
 
-	// Height (und daraus evtl. Width) – falls du schon Width helper hast, nimm den.
-	h, _ := getVideoHeightCached(pctx, videoPath)
+	// Height/Width optional nicht mehr berechnen (wenn helper entfernt wurde)
+	h := 0
 
 	// FPS optional – wenn du einen Cache/helper hast, nimm ihn; sonst 0 lassen.
 	fps := 0.0
@@ -384,7 +372,7 @@ func recordVideo(w http.ResponseWriter, r *http.Request) {
 		// Wichtig: Browser schicken bei Video-Range-Requests oft If-Range / If-Modified-Since / If-None-Match.
 		// Wenn du die nicht erlaubst, schlägt der Preflight fehl -> VideoJS sieht "NETWORK error".
 		w.Header().Set("Access-Control-Allow-Headers", "Range, If-Range, If-Modified-Since, If-None-Match")
-		w.Header().Set("Access-Control-Expose-Headers", "Content-Length, Content-Range, Accept-Ranges, ETag, Last-Modified, X-Transcode-Offset-Seconds")
+		w.Header().Set("Access-Control-Expose-Headers", "Content-Length, Content-Range, Accept-Ranges, ETag, Last-Modified")
 		w.Header().Set("Access-Control-Allow-Credentials", "true")
 	}
 	if r.Method == http.MethodOptions {
@@ -392,107 +380,6 @@ func recordVideo(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// ---- query normalize ----
-	// Neu: resolution=LOW|MEDIUM|HIGH|ORIGINAL
-	res := strings.TrimSpace(r.URL.Query().Get("resolution"))
-
-	// Backwards-Compat: falls altes Frontend noch quality nutzt
-	if res == "" {
-		res = strings.TrimSpace(r.URL.Query().Get("quality"))
-	}
-
-	// Normalize: auto/original => leer (== "ORIGINAL" Profil)
-	if strings.EqualFold(res, "auto") || strings.EqualFold(res, "original") {
-		res = ""
-	}
-
-	// Validieren (wenn gesetzt)
-	if res != "" {
-		if _, ok := profileFromResolution(res); !ok {
-			writeErr(http.StatusBadRequest, "ungültige resolution")
-			return
-		}
-	}
-
-	rawProgress := strings.TrimSpace(r.URL.Query().Get("progress"))
-	if rawProgress == "" {
-		rawProgress = strings.TrimSpace(r.URL.Query().Get("p"))
-	}
-
-	// ---- startSec parse (seek position in seconds) ----
-	startSec := 0
-	startFrac := -1.0 // wenn 0..1 => Progress-Fraction (currentProgress)
-
-	raw := strings.TrimSpace(r.URL.Query().Get("start"))
-	if raw == "" {
-		raw = strings.TrimSpace(r.URL.Query().Get("t"))
-	}
-
-	parseFracOrSeconds := func(s string) {
-		s = strings.TrimSpace(s)
-		if s == "" {
-			return
-		}
-
-		// allow "hh:mm:ss" / "mm:ss"
-		if strings.Contains(s, ":") {
-			parts := strings.Split(s, ":")
-			ok := true
-			vals := make([]int, 0, len(parts))
-			for _, p := range parts {
-				p = strings.TrimSpace(p)
-				n, err := strconv.Atoi(p)
-				if err != nil || n < 0 {
-					ok = false
-					break
-				}
-				vals = append(vals, n)
-			}
-			if ok {
-				if len(vals) == 2 {
-					startSec = vals[0]*60 + vals[1]
-					return
-				} else if len(vals) == 3 {
-					startSec = vals[0]*3600 + vals[1]*60 + vals[2]
-					return
-				}
-			}
-			return
-		}
-
-		// number: seconds OR fraction
-		f, err := strconv.ParseFloat(s, 64)
-		if err != nil {
-			return
-		}
-		if f <= 0 {
-			return
-		}
-
-		// < 1.0 => treat as fraction (currentProgress)
-		if f > 0 && f < 1.0 {
-			startFrac = f
-			return
-		}
-
-		// >= 1.0 => treat as seconds (floor)
-		startSec = int(f)
-	}
-
-	parseFracOrSeconds(raw)
-
-	// optional explicit progress overrides fraction
-	if rawProgress != "" {
-		f, err := strconv.ParseFloat(strings.TrimSpace(rawProgress), 64)
-		if err == nil && f > 0 && f < 1.0 {
-			startFrac = f
-		}
-	}
-
-	if startSec < 0 {
-		startSec = 0
-	}
-
 	// ---- resolve outPath from file or id ----
 	resolveOutPath := func() (string, bool) {
 		// ✅ Wiedergabe über Dateiname (für doneDir / recordDir)
@@ -603,24 +490,6 @@ func recordVideo(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// ---- convert progress fraction to seconds (if needed) ----
-	if startSec == 0 && startFrac > 0 && startFrac < 1.0 {
-		pctx, cancel := context.WithTimeout(r.Context(), 5*time.Second)
-		defer cancel()
-
-		// ✅ nutzt deinen zentralen Cache + (wenn du es wie empfohlen ergänzt hast) durSem-Limit
-		dur, derr := durationSecondsCached(pctx, outPath)
-		if derr == nil && dur > 0 {
-			startSec = int(startFrac * dur)
-		}
-	}
-
-	// sanitize + optional bucket align (wie bei GOP-ish seeking)
-	if startSec < 0 {
-		startSec = 0
-	}
-	startSec = (startSec / 2) * 2
-
 	// ---- TS -> MP4 (on-demand remux) ----
 	if strings.ToLower(filepath.Ext(outPath)) == ".ts" {
 		newOut, err := maybeRemuxTS(outPath)
@@ -658,228 +527,14 @@ func recordVideo(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	// ✅ NEU: meta.json sicherstellen (best effort), bevor wir ausliefern/transcoden
+	// ✅ meta.json sicherstellen (best effort), bevor wir ausliefern
 	ensureMetaJSONForPlayback(r.Context(), outPath)
 
-	// ---- Quality / Transcode handling ----
+	// ✅ immer Original-Datei ausliefern (Range-fähig via serveVideoFile)
 	w.Header().Set("Cache-Control", "no-store")
-
-	stream := strings.ToLower(strings.TrimSpace(r.URL.Query().Get("stream")))
-	wantStream := stream == "1" || stream == "true" || stream == "yes"
-
-	// ✅ Wenn quality gesetzt ist:
-	if res != "" {
-		prof, _ := profileFromResolution(res)
-
-		// ✅ wenn Quelle schon <= Zielhöhe: ORIGINAL liefern
-		//    ABER NUR wenn wir NICHT seeken und NICHT streamen wollen.
-		if prof.Height > 0 && startSec == 0 && !wantStream {
-			if err := ensureFFprobeAvailable(); err == nil {
-				pctx, cancel := context.WithTimeout(r.Context(), 5*time.Second)
-				defer cancel()
-
-				if srcH, err := getVideoHeightCached(pctx, outPath); err == nil && srcH > 0 {
-					if srcH <= prof.Height+8 {
-						serveVideoFile(w, r, outPath)
-						return
-					}
-				}
-			}
-		}
-
-		// ✅ 1) Seek (startSec>0): Standard = Segment-Datei transcodieren & dann normal ausliefern (Range-fähig)
-		// stream=1 kann weiterhin den "live pipe" erzwingen.
-		if startSec > 0 && !wantStream {
-			segPath, terr := maybeTranscodeForRequest(r.Context(), outPath, res, startSec)
-			if terr != nil {
-				writeErr(http.StatusInternalServerError, "transcode failed: "+terr.Error())
-				return
-			}
-
-			// ✅ Offset NUR setzen, wenn wir wirklich ab startSec ausliefern (Segment)
-			w.Header().Set("X-Transcode-Offset-Seconds", strconv.Itoa(startSec))
-
-			serveVideoFile(w, r, segPath)
-			return
-		}
-
-		// ✅ 2) stream=1 ODER startSec>0 mit stream=true: pipe-stream
-		if wantStream || startSec > 0 {
-			if startSec > 0 {
-				// ✅ Offset NUR setzen, wenn wir wirklich ab startSec ausliefern (Stream)
-				w.Header().Set("X-Transcode-Offset-Seconds", strconv.Itoa(startSec))
-			}
-
-			if err := serveTranscodedStreamAt(r.Context(), w, outPath, prof, startSec); err != nil {
-				if errors.Is(err, context.Canceled) {
-					return
-				}
-				writeErr(http.StatusInternalServerError, "transcode stream failed: "+err.Error())
-				return
-			}
-			return
-		}
-
-		// ✅ 3) startSec==0: Full-file Cache-Transcode (wie vorher)
-		if startSec == 0 {
-			segPath, terr := maybeTranscodeForRequest(r.Context(), outPath, res, 0)
-			if terr != nil {
-				writeErr(http.StatusInternalServerError, "transcode failed: "+terr.Error())
-				return
-			}
-			serveVideoFile(w, r, segPath)
-			return
-		}
-	}
-
-	// ✅ Full-file Cache-Transcode nur wenn startSec == 0
-	if res != "" && startSec == 0 {
-		var terr error
-		outPath, terr = maybeTranscodeForRequest(r.Context(), outPath, res, startSec)
-
-		if terr != nil {
-			writeErr(http.StatusInternalServerError, "transcode failed: "+terr.Error())
-			return
-		}
-	}
-
 	serveVideoFile(w, r, outPath)
 }
 
-type flushWriter struct {
-	w http.ResponseWriter
-	f http.Flusher
-}
-
-func (fw flushWriter) Write(p []byte) (int, error) {
-	n, err := fw.w.Write(p)
-	if fw.f != nil {
-		fw.f.Flush()
-	}
-	return n, err
-}
-
-func isClientDisconnectErr(err error) bool {
-	if err == nil {
-		return false
-	}
-	if errors.Is(err, context.Canceled) || errors.Is(err, net.ErrClosed) || errors.Is(err, io.ErrClosedPipe) {
-		return true
-	}
-
-	// Windows / net/http typische Fälle
-	var op *net.OpError
-	if errors.As(err, &op) {
-		// op.Err kann syscall.Errno(10054/10053/...) sein
-		if se, ok := op.Err.(syscall.Errno); ok {
-			switch int(se) {
-			case 10054, 10053, 10058: // WSAECONNRESET, WSAECONNABORTED, WSAESHUTDOWN
-				return true
-			}
-		}
-	}
-
-	msg := strings.ToLower(err.Error())
-	if strings.Contains(msg, "broken pipe") ||
-		strings.Contains(msg, "connection reset") ||
-		strings.Contains(msg, "forcibly closed") ||
-		strings.Contains(msg, "wsasend") ||
-		strings.Contains(msg, "wsarecv") {
-		return true
-	}
-
-	return false
-}
-
-func serveTranscodedStream(ctx context.Context, w http.ResponseWriter, inPath string, prof TranscodeProfile) error {
-	return serveTranscodedStreamAt(ctx, w, inPath, prof, 0)
-}
-
-func serveTranscodedStreamAt(ctx context.Context, w http.ResponseWriter, inPath string, prof TranscodeProfile, startSec int) error {
-	if err := ensureFFmpegAvailable(); err != nil {
-		return err
-	}
-
-	// ffmpeg args (mit -ss vor -i)
-	args := buildFFmpegStreamArgsAt(inPath, prof, startSec)
-
-	cmd := exec.CommandContext(ctx, ffmpegPath, args...)
-
-	stdout, err := cmd.StdoutPipe()
-	if err != nil {
-		return err
-	}
-
-	stderr, err := cmd.StderrPipe()
-	if err != nil {
-		return err
-	}
-
-	if err := cmd.Start(); err != nil {
-		return err
-	}
-
-	// stderr MUSS gelesen werden, sonst kann ffmpeg blockieren
-	go func() {
-		_, _ = io.ReadAll(stderr)
-		_ = cmd.Wait()
-	}()
-
-	w.Header().Set("Cache-Control", "no-store")
-	w.Header().Set("Content-Type", "video/mp4")
-	w.Header().Set("Accept-Ranges", "none")
-	w.WriteHeader(http.StatusOK)
-
-	// kontinuierlich flushen
-	var out io.Writer = w
-	if f, ok := w.(http.Flusher); ok {
-		out = flushWriter{w: w, f: f}
-	}
-
-	_, copyErr := io.Copy(out, stdout)
-
-	// Client abgebrochen -> kein Fehler
-	if copyErr != nil {
-		if isClientDisconnectErr(copyErr) {
-			return nil
-		}
-	}
-
-	// Wenn der Request context weg ist: ebenfalls ok (Quality-Wechsel, Seek, Tab zu)
-	if ctx.Err() != nil && errors.Is(ctx.Err(), context.Canceled) {
-		return nil
-	}
-
-	return copyErr
-}
-
-func buildFFmpegStreamArgsAt(inPath string, prof TranscodeProfile, startSec int) []string {
-	args := buildFFmpegStreamArgs(inPath, prof)
-
-	if startSec <= 0 {
-		return args
-	}
-
-	// Insert "-ss <sec>" before "-i"
-	out := make([]string, 0, len(args)+2)
-
-	inserted := false
-	for i := 0; i < len(args); i++ {
-		if !inserted && args[i] == "-i" {
-			out = append(out, "-ss", strconv.Itoa(startSec))
-			inserted = true
-		}
-		out = append(out, args[i])
-	}
-
-	// Fallback: falls "-i" nicht gefunden wird, häng's vorne dran
-	if !inserted {
-		return append([]string{"-ss", strconv.Itoa(startSec)}, args...)
-	}
-
-	return out
-}
-
 func recordStatus(w http.ResponseWriter, r *http.Request) {
 	id := r.URL.Query().Get("id")
 	if id == "" {
@@ -1862,16 +1517,6 @@ func recordDeleteVideo(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	// ✅ NEU: auch Transcode-Cache zum endgültig gelöschten Video entfernen
-	if prevCanonical != "" {
-		removeTranscodesForID(doneAbs, prevCanonical)
-
-		// Best-effort (falls irgendwo doch mal abweichende IDs genutzt wurden)
-		if prevBase != "" && prevBase != prevCanonical {
-			removeTranscodesForID(doneAbs, stripHotPrefix(prevBase))
-		}
-	}
-
 	if err := os.MkdirAll(trashDir, 0o755); err != nil {
 		http.Error(w, "trash dir erstellen fehlgeschlagen: "+err.Error(), http.StatusInternalServerError)
 		return
@@ -2076,10 +1721,18 @@ func recordRestoreVideo(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// ✅ Restore soll im Card-Stack "oben" erscheinen (Sort: completed_desc)
+	// Dafür ModTime auf "jetzt" setzen, weil buildDoneIndex() endedAt aus fi.ModTime() nimmt.
+	now := time.Now()
+	_ = os.Chtimes(dst, now, now) // best-effort
+
 	// ✅ Optional: Trash leeren, damit Token danach definitiv tot ist
 	_ = os.RemoveAll(trashDir)
 	_ = os.MkdirAll(trashDir, 0o755)
 
+	purgeDurationCacheForPath(src) // falls src noch irgendwo gecacht wäre (optional)
+	purgeDurationCacheForPath(dst) // optional
+
 	notifyDoneChanged()
 
 	w.Header().Set("Content-Type", "application/json")

backend/record_preview_scrubber.go

@@ -0,0 +1,122 @@
+package main
+
+import (
+	"fmt"
+	"math"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+const defaultScrubberCount = 18
+
+// /api/preview-scrubber/{index}?id=...   (oder ?file=...)
+func recordPreviewScrubberFrame(w http.ResponseWriter, r *http.Request) {
+	const prefix = "/api/preview-scrubber/"
+	if !strings.HasPrefix(r.URL.Path, prefix) {
+		http.NotFound(w, r)
+		return
+	}
+
+	idxPart := strings.Trim(strings.TrimPrefix(r.URL.Path, prefix), "/")
+	if idxPart == "" {
+		http.Error(w, "missing scrubber frame index", http.StatusBadRequest)
+		return
+	}
+
+	idx, err := strconv.Atoi(idxPart)
+	if err != nil || idx < 0 {
+		http.Error(w, "invalid scrubber frame index", http.StatusBadRequest)
+		return
+	}
+
+	// id oder file muss vorhanden sein (wie bei recordPreview / recordDoneMeta)
+	q := r.URL.Query()
+	id := strings.TrimSpace(q.Get("id"))
+	file := strings.TrimSpace(q.Get("file"))
+	if id == "" && file == "" {
+		http.Error(w, "missing id or file", http.StatusBadRequest)
+		return
+	}
+
+	// Dauer aus Meta ermitteln (WICHTIG für gleichmäßige Verteilung)
+	durSec, err := lookupDurationForScrubber(r, id, file)
+	if err != nil || durSec <= 0 {
+		// Fallback: wir versuchen trotzdem was Sinnvolles
+		// (z. B. 60s annehmen) – besser als gar kein Bild
+		durSec = 60
+	}
+
+	// Count: gleich wie im Frontend (oder dynamisch, aber dann auch im Payload liefern!)
+	count := defaultScrubberCount
+	if idx >= count {
+		// wenn Frontend mehr sendet als Backend erwartet -> clamp
+		idx = count - 1
+	}
+	if count < 1 {
+		count = 1
+	}
+
+	t := scrubberIndexToTime(idx, count, durSec)
+
+	// An bestehenden Preview-Handler delegieren via Redirect
+	// recordPreview unterstützt bei dir bereits ?id=...&t=...
+	targetQ := url.Values{}
+	if id != "" {
+		targetQ.Set("id", id)
+	}
+	if file != "" {
+		targetQ.Set("file", file)
+	}
+	targetQ.Set("t", fmt.Sprintf("%.3f", t))
+
+	// Cache freundlich (optional feinjustieren)
+	w.Header().Set("Cache-Control", "private, max-age=300")
+
+	http.Redirect(w, r, "/api/preview?"+targetQ.Encode(), http.StatusFound)
+}
+
+// Gleichmäßig über die Videolänge sampeln (Mitte des Segments)
+func scrubberIndexToTime(index, count int, durationSec float64) float64 {
+	if count <= 1 {
+		return 0.1
+	}
+	if durationSec <= 0 {
+		return 0.1
+	}
+
+	// nicht exakt bei 0 / nicht exakt am Ende
+	maxT := math.Max(0.1, durationSec-0.1)
+	ratio := (float64(index) + 0.5) / float64(count)
+	t := ratio * maxT
+
+	if t < 0.1 {
+		t = 0.1
+	}
+	if t > maxT {
+		t = maxT
+	}
+	return t
+}
+
+// TODO: Hier deine bestehende Meta-Lookup-Logik aus recordDoneMeta wiederverwenden.
+// Ziel: durationSeconds aus meta.json / job-meta lesen.
+// Diese Funktion ist der einzige Teil, den du an dein Projekt anpassen musst.
+func lookupDurationForScrubber(r *http.Request, id, file string) (float64, error) {
+	// ------------------------------------------------------------
+	// OPTION A (empfohlen): dieselbe interne Funktion nutzen wie recordDoneMeta
+	// Beispiel (PSEUDO):
+	//
+	//   meta, err := loadDoneMetaByIDOrFile(id, file)
+	//   if err != nil { return 0, err }
+	//   if d := meta.DurationSeconds; d > 0 { return d, nil }
+	//
+	// ------------------------------------------------------------
+
+	// ------------------------------------------------------------
+	// OPTION B: Wenn du aktuell keine Helper-Funktion hast:
+	// erstmal Fehler zurückgeben und später konkret anschließen.
+	// ------------------------------------------------------------
+	return 0, fmt.Errorf("lookupDurationForScrubber not wired yet")
+}

backend/record_preview_sprite.go

@@ -0,0 +1,67 @@
+// backend\record_preview_sprite.go
+
+package main
+
+import (
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+func recordPreviewSprite(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet && r.Method != http.MethodHead {
+		http.Error(w, "Nur GET/HEAD", http.StatusMethodNotAllowed)
+		return
+	}
+
+	// Unterstützt beide Prefixe (falls du mal testweise /api/preview-sprite/ nutzt)
+	id := strings.TrimPrefix(r.URL.Path, "/api/record/preview-sprite/")
+	if id == r.URL.Path {
+		id = strings.TrimPrefix(r.URL.Path, "/api/preview-sprite/")
+	}
+	id = strings.TrimSpace(id)
+
+	// Falls jemand versehentlich einen Slash am Ende schickt
+	id = strings.Trim(id, "/")
+
+	if id == "" {
+		http.Error(w, "id fehlt", http.StatusBadRequest)
+		return
+	}
+
+	var err error
+	id, err = sanitizeID(id)
+	if err != nil {
+		http.Error(w, "ungültige id", http.StatusBadRequest)
+		return
+	}
+
+	dir, err := generatedDirForID(id)
+	if err != nil {
+		http.Error(w, "ungültige id", http.StatusBadRequest)
+		return
+	}
+
+	spritePath := filepath.Join(dir, "preview-sprite.webp")
+
+	fi, err := os.Stat(spritePath)
+	if err != nil || fi.IsDir() || fi.Size() <= 0 {
+		http.NotFound(w, r)
+		return
+	}
+
+	f, err := os.Open(spritePath)
+	if err != nil {
+		http.NotFound(w, r)
+		return
+	}
+	defer f.Close()
+
+	// Cachebar (du hängst im Frontend ?v=updatedAtUnix dran)
+	w.Header().Set("Content-Type", "image/webp")
+	w.Header().Set("Cache-Control", "private, max-age=31536000, immutable")
+	w.Header().Set("X-Content-Type-Options", "nosniff")
+
+	http.ServeContent(w, r, "preview-sprite.webp", fi.ModTime(), f)
+}

backend/routes.go

@@ -44,7 +44,9 @@ func registerRoutes(mux *http.ServeMux, auth *AuthManager) *ModelStore {
 	api.HandleFunc("/api/record", startRecordingFromRequest)
 	api.HandleFunc("/api/record/status", recordStatus)
 	api.HandleFunc("/api/record/stop", recordStop)
-	api.HandleFunc("/api/record/preview", recordPreview)
+	api.HandleFunc("/api/preview", recordPreview)
+	api.HandleFunc("/api/preview-scrubber/", recordPreviewScrubberFrame)
+	api.HandleFunc("/api/preview-sprite/", recordPreviewSprite)
 	api.HandleFunc("/api/record/list", recordList)
 	api.HandleFunc("/api/record/stream", recordStream)
 	api.HandleFunc("/api/record/done/meta", recordDoneMeta)

backend/tasks_assets.go

@@ -27,6 +27,7 @@ type AssetsTaskState struct {
 	StartedAt         time.Time  `json:"startedAt"`
 	FinishedAt        *time.Time `json:"finishedAt,omitempty"`
 	Error             string     `json:"error,omitempty"`
+	CurrentFile       string     `json:"currentFile,omitempty"`
 }
 
 var assetsTaskMu sync.Mutex
@@ -84,6 +85,7 @@ func tasksGenerateAssets(w http.ResponseWriter, r *http.Request) {
 			StartedAt:         now,
 			FinishedAt:        nil,
 			Error:             "",
+			CurrentFile:       "",
 		}
 		st := assetsTaskState
 		assetsTaskMu.Unlock()
@@ -141,6 +143,7 @@ func runGenerateMissingAssets(ctx context.Context) {
 		updateAssetsState(func(st *AssetsTaskState) {
 			st.Running = false
 			st.FinishedAt = &now
+			st.CurrentFile = ""
 
 			if err == nil {
 				// Erfolg: Error leeren
@@ -249,6 +252,11 @@ func runGenerateMissingAssets(ctx context.Context) {
 			return
 		}
 
+		// ✅ aktuellen Dateinamen für UI setzen
+		updateAssetsState(func(st *AssetsTaskState) {
+			st.CurrentFile = it.name
+		})
+
 		// ID aus Dateiname
 		base := strings.TrimSuffix(it.name, filepath.Ext(it.name))
 		id := stripHotPrefix(base)
@@ -269,7 +277,7 @@ func runGenerateMissingAssets(ctx context.Context) {
 		}
 
 		// Pfade einmalig über zentralen Helper
-		_, _, _, metaPath, perr := assetPathsForID(id)
+		_, _, _, _, metaPath, perr := assetPathsForID(id)
 		if perr != nil {
 			updateAssetsState(func(st *AssetsTaskState) {
 				// UI bekommt stabilen Hinweis, aber Task läuft weiter

backend/transcode.go

@@ -1,619 +0,0 @@
-// backend\transcode.go
-
-package main
-
-import (
-	"bytes"
-	"context"
-	"errors"
-	"fmt"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"regexp"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-
-	"golang.org/x/sync/singleflight"
-)
-
-// -------------------------
-// Transcode config / globals
-// -------------------------
-
-// max parallel ffmpeg jobs
-var transcodeSem = make(chan struct{}, 2)
-
-// de-dupe concurrent requests for same output
-var transcodeSF singleflight.Group
-
-type heightCacheEntry struct {
-	mtime  time.Time
-	size   int64
-	height int
-}
-
-var heightCacheMu sync.Mutex
-var heightCache = map[string]heightCacheEntry{}
-
-type durationCacheEntry struct {
-	mtime time.Time
-	size  int64
-	dur   float64
-}
-
-var durationCacheMu sync.Mutex
-var durationCache = map[string]durationCacheEntry{}
-
-func probeVideoDurationSeconds(ctx context.Context, inPath string) (float64, error) {
-	// ffprobe -v error -show_entries format=duration -of csv=p=0 <file>
-	cmd := exec.CommandContext(ctx, "ffprobe",
-		"-v", "error",
-		"-show_entries", "format=duration",
-		"-of", "csv=p=0",
-		inPath,
-	)
-	out, err := cmd.Output()
-	if err != nil {
-		return 0, err
-	}
-	s := strings.TrimSpace(string(out))
-	if s == "" {
-		return 0, fmt.Errorf("ffprobe returned empty duration")
-	}
-	d, err := strconv.ParseFloat(s, 64)
-	if err != nil || d <= 0 {
-		return 0, fmt.Errorf("bad duration %q", s)
-	}
-	return d, nil
-}
-
-func getVideoDurationSecondsCached(ctx context.Context, inPath string) (float64, error) {
-	fi, err := os.Stat(inPath)
-	if err != nil || fi.IsDir() || fi.Size() <= 0 {
-		return 0, fmt.Errorf("input not usable")
-	}
-
-	durationCacheMu.Lock()
-	if e, ok := durationCache[inPath]; ok {
-		if e.size == fi.Size() && e.mtime.Equal(fi.ModTime()) && e.dur > 0 {
-			d := e.dur
-			durationCacheMu.Unlock()
-			return d, nil
-		}
-	}
-	durationCacheMu.Unlock()
-
-	d, err := probeVideoDurationSeconds(ctx, inPath)
-	if err != nil {
-		return 0, err
-	}
-
-	durationCacheMu.Lock()
-	durationCache[inPath] = durationCacheEntry{mtime: fi.ModTime(), size: fi.Size(), dur: d}
-	durationCacheMu.Unlock()
-
-	return d, nil
-}
-
-func probeVideoHeight(ctx context.Context, inPath string) (int, error) {
-	// ffprobe -v error -select_streams v:0 -show_entries stream=height -of csv=p=0 <file>
-	cmd := exec.CommandContext(ctx, "ffprobe",
-		"-v", "error",
-		"-select_streams", "v:0",
-		"-show_entries", "stream=height",
-		"-of", "csv=p=0",
-		inPath,
-	)
-	out, err := cmd.Output()
-	if err != nil {
-		return 0, err
-	}
-	s := strings.TrimSpace(string(out))
-	if s == "" {
-		return 0, fmt.Errorf("ffprobe returned empty height")
-	}
-	h, err := strconv.Atoi(s)
-	if err != nil || h <= 0 {
-		return 0, fmt.Errorf("bad height %q", s)
-	}
-	return h, nil
-}
-
-func getVideoHeightCached(ctx context.Context, inPath string) (int, error) {
-	fi, err := os.Stat(inPath)
-	if err != nil || fi.IsDir() || fi.Size() <= 0 {
-		return 0, fmt.Errorf("input not usable")
-	}
-
-	heightCacheMu.Lock()
-	if e, ok := heightCache[inPath]; ok {
-		if e.size == fi.Size() && e.mtime.Equal(fi.ModTime()) && e.height > 0 {
-			h := e.height
-			heightCacheMu.Unlock()
-			return h, nil
-		}
-	}
-	heightCacheMu.Unlock()
-
-	h, err := probeVideoHeight(ctx, inPath)
-	if err != nil {
-		return 0, err
-	}
-
-	heightCacheMu.Lock()
-	heightCache[inPath] = heightCacheEntry{mtime: fi.ModTime(), size: fi.Size(), height: h}
-	heightCacheMu.Unlock()
-	return h, nil
-}
-
-type TranscodeProfile struct {
-	Name   string // "1080p" | "720p" | "480p"
-	Height int
-}
-
-func profileFromResolution(res string) (TranscodeProfile, bool) {
-	// Stash-like: LOW | MEDIUM | HIGH | ORIGINAL (case-insensitive)
-	s := strings.ToUpper(strings.TrimSpace(res))
-	switch s {
-	case "", "ORIGINAL", "SOURCE", "AUTO":
-		return TranscodeProfile{Name: "ORIGINAL", Height: 0}, true
-	case "LOW":
-		return TranscodeProfile{Name: "LOW", Height: 480}, true
-	case "MEDIUM":
-		return TranscodeProfile{Name: "MEDIUM", Height: 720}, true
-	case "HIGH":
-		return TranscodeProfile{Name: "HIGH", Height: 1080}, true
-	}
-
-	// Backwards-Kompatibilität: "<height>p" (z.B. 720p)
-	s2 := strings.ToLower(strings.TrimSpace(res))
-	if m := regexp.MustCompile(`^(\d{3,4})p$`).FindStringSubmatch(s2); m != nil {
-		h, err := strconv.Atoi(m[1])
-		if err != nil || h <= 0 {
-			return TranscodeProfile{}, false
-		}
-		if h < 144 || h > 4320 {
-			return TranscodeProfile{}, false
-		}
-		return TranscodeProfile{Name: fmt.Sprintf("%dp", h), Height: h}, true
-	}
-
-	return TranscodeProfile{}, false
-}
-
-// Cache layout: <doneAbs>/.transcodes/<canonicalID>/<v>/<quality>/s<start>.mp4
-func transcodeCachePath(doneAbs, canonicalID, quality string, startSec int) string {
-	const v = "v2"
-	return filepath.Join(doneAbs, ".transcodes", canonicalID, v, quality, fmt.Sprintf("s%d.mp4", startSec))
-}
-
-func ensureFFmpegAvailable() error {
-	_, err := exec.LookPath("ffmpeg")
-	if err != nil {
-		return fmt.Errorf("ffmpeg not found in PATH")
-	}
-	return nil
-}
-
-func ensureFFprobeAvailable() error {
-	_, err := exec.LookPath("ffprobe")
-	if err != nil {
-		return fmt.Errorf("ffprobe not found in PATH")
-	}
-	return nil
-}
-
-func fileUsable(p string) (os.FileInfo, bool) {
-	fi, err := os.Stat(p)
-	if err != nil {
-		return nil, false
-	}
-	if fi.IsDir() || fi.Size() <= 0 {
-		return nil, false
-	}
-	return fi, true
-}
-
-func isCacheFresh(inPath, outPath string) bool {
-	inFi, err := os.Stat(inPath)
-	if err != nil || inFi.IsDir() || inFi.Size() <= 0 {
-		return false
-	}
-	outFi, ok := fileUsable(outPath)
-	if !ok {
-		return false
-	}
-	// if out is not older than input -> ok
-	return !outFi.ModTime().Before(inFi.ModTime())
-}
-
-func acquireTranscodeSlot(ctx context.Context) error {
-	select {
-	case transcodeSem <- struct{}{}:
-		return nil
-	case <-ctx.Done():
-		return ctx.Err()
-	}
-}
-
-func releaseTranscodeSlot() {
-	select {
-	case <-transcodeSem:
-	default:
-	}
-}
-
-func tailString(s string, max int) string {
-	s = strings.TrimSpace(s)
-	if len(s) <= max {
-		return s
-	}
-	return s[len(s)-max:]
-}
-
-func runFFmpeg(ctx context.Context, args []string) error {
-	cmd := exec.CommandContext(ctx, "ffmpeg", args...)
-
-	var buf bytes.Buffer
-	cmd.Stdout = &buf
-	cmd.Stderr = &buf
-
-	err := cmd.Run()
-	if err == nil {
-		return nil
-	}
-
-	// Wenn ctx abgebrochen wurde (Timeout oder Cancel), gib Output trotzdem mit aus.
-	if ctx.Err() != nil {
-		return fmt.Errorf("ffmpeg aborted: %v (output=%s)", ctx.Err(), tailString(buf.String(), 4000))
-	}
-
-	return fmt.Errorf("ffmpeg failed: %w (output=%s)", err, tailString(buf.String(), 4000))
-}
-
-// -------------------------
-// Public entry used by recordVideo
-// -------------------------
-
-// maybeTranscodeForRequest inspects "resolution" query param.
-// If quality is "auto" (or empty), it returns original outPath unchanged.
-// Otherwise it ensures cached transcode exists & is fresh, and returns the cached path.
-func maybeTranscodeForRequest(rctx context.Context, originalPath string, resolution string, startSec int) (string, error) {
-	if startSec < 0 {
-		startSec = 0
-	}
-	// optional: auf 2 Sekunden runter runden, passt zu GOP=60 (~2s bei 30fps)
-	startSec = (startSec / 2) * 2
-
-	prof, ok := profileFromResolution(resolution)
-	if !ok {
-		return "", fmt.Errorf("bad resolution %q", resolution)
-	}
-	if strings.EqualFold(prof.Name, "ORIGINAL") || prof.Height <= 0 {
-		return originalPath, nil
-	}
-
-	// ensure ffmpeg is present
-	if err := ensureFFmpegAvailable(); err != nil {
-		return "", err
-	}
-
-	needScale := true
-
-	if prof.Height > 0 {
-		if err := ensureFFprobeAvailable(); err == nil {
-			pctx, cancel := context.WithTimeout(rctx, 5*time.Second)
-			defer cancel()
-
-			if srcH, err := getVideoHeightCached(pctx, originalPath); err == nil && srcH > 0 {
-				// Quelle <= Ziel => kein Downscale nötig
-				if srcH <= prof.Height+8 {
-					needScale = false
-
-					// ✅ WICHTIG: wenn startSec==0, liefern wir wirklich Original (keine Cache-Datei bauen)
-					if startSec == 0 {
-						return originalPath, nil
-					}
-				}
-			}
-		}
-	}
-
-	// Need doneAbs for cache root
-	s := getSettings()
-	doneAbs, err := resolvePathRelativeToApp(s.DoneDir)
-	if err != nil || strings.TrimSpace(doneAbs) == "" {
-		return "", fmt.Errorf("doneDir missing or invalid")
-	}
-
-	// canonicalID = basename stem without ext and without "HOT "
-	base := filepath.Base(originalPath)
-	stem := strings.TrimSuffix(base, filepath.Ext(base))
-	canonicalID := stripHotPrefix(stem)
-	canonicalID = strings.TrimSpace(canonicalID)
-	if canonicalID == "" {
-		return "", fmt.Errorf("canonical id empty")
-	}
-
-	qualityKey := strings.ToLower(strings.TrimSpace(prof.Name))
-	cacheOut := transcodeCachePath(doneAbs, canonicalID, qualityKey, startSec)
-
-	// fast path: already exists & fresh
-	if isCacheFresh(originalPath, cacheOut) {
-		return cacheOut, nil
-	}
-
-	// singleflight key: input + cacheOut
-	key := originalPath + "|" + cacheOut
-
-	_, err, _ = transcodeSF.Do(key, func() (any, error) {
-		// check again inside singleflight
-		if isCacheFresh(originalPath, cacheOut) {
-			return nil, nil
-		}
-
-		// If stale exists, remove (best-effort)
-		_ = os.Remove(cacheOut)
-
-		// ensure dir
-		if err := os.MkdirAll(filepath.Dir(cacheOut), 0o755); err != nil {
-			return nil, err
-		}
-
-		// timeout for transcode
-		// ✅ NICHT an rctx hängen, sonst killt Client-Abbruch ffmpeg beim Quality-Wechsel
-		ctx, cancel := context.WithTimeout(context.Background(), 20*time.Minute)
-		defer cancel()
-
-		if err := acquireTranscodeSlot(ctx); err != nil {
-			return nil, err
-		}
-		defer releaseTranscodeSlot()
-
-		// ✅ Temp muss eine "echte" Video-Endung haben, sonst kann ffmpeg das Format nicht wählen
-		tmp := cacheOut + ".part.mp4"
-		_ = os.Remove(tmp)
-
-		// ffmpeg args
-		var args []string
-		if needScale {
-			args = buildFFmpegArgs(originalPath, tmp, prof, startSec)
-		} else {
-			// ✅ nativer Seek: schneiden ohne re-encode
-			args = buildFFmpegCopySegmentArgs(originalPath, tmp, startSec)
-		}
-
-		if err := runFFmpeg(ctx, args); err != nil {
-			_ = os.Remove(tmp)
-			if errors.Is(ctx.Err(), context.DeadlineExceeded) {
-				return nil, fmt.Errorf("transcode timeout: %w", err)
-			}
-			return nil, err
-		}
-
-		// validate tmp
-		if _, ok := fileUsable(tmp); !ok {
-			_ = os.Remove(tmp)
-			return nil, fmt.Errorf("transcode output invalid")
-		}
-
-		// atomic replace
-		_ = os.Remove(cacheOut)
-		if err := os.Rename(tmp, cacheOut); err != nil {
-			_ = os.Remove(tmp)
-			return nil, err
-		}
-
-		return nil, nil
-	})
-
-	if err != nil {
-		return "", err
-	}
-
-	// final validate
-	if _, ok := fileUsable(cacheOut); !ok {
-		return "", fmt.Errorf("transcode cache missing after build")
-	}
-
-	return cacheOut, nil
-}
-
-// -------------------------
-// ffmpeg profiles
-// -------------------------
-
-func buildFFmpegArgs(inPath, outPath string, prof TranscodeProfile, startSec int) []string {
-	// You can tune these defaults:
-	// - CRF: lower => better quality, bigger file (1080p ~22, 720p ~23, 480p ~24/25)
-	// - preset: veryfast is good for on-demand
-	crf := "23"
-	h := prof.Height
-	switch {
-	case h >= 2160:
-		crf = "20"
-	case h >= 1440:
-		crf = "21"
-	case h >= 1080:
-		crf = "22"
-	case h >= 720:
-		crf = "23"
-	case h >= 480:
-		crf = "25"
-	case h >= 360:
-		crf = "27"
-	default:
-		crf = "29"
-	}
-
-	// Keyframes: choose a stable value; if you want dynamic based on fps you can extend later.
-	gop := "60"
-
-	// ✅ Für fertige MP4-Dateien: NICHT fragmentieren.
-	// faststart reicht, damit "moov" vorne liegt.
-	movflags := "+faststart"
-
-	// scale keeps aspect ratio, ensures even width
-	vf := fmt.Sprintf("scale=-2:%d", prof.Height)
-
-	// sanitize start
-	if startSec < 0 {
-		startSec = 0
-	}
-	// optional: align to small buckets to reduce cache fragmentation (and match GOP-ish seeking)
-	// startSec = (startSec / 2) * 2
-
-	args := []string{
-		"-hide_banner",
-		"-loglevel", "error",
-		"-nostdin",
-		"-y",
-	}
-
-	// ✅ Startposition: VOR "-i" => schnelles Seek zum nächsten Keyframe (gut für on-demand)
-	// (Wenn du frame-genau willst: "-ss" NACH "-i", ist aber deutlich langsamer.)
-	if startSec > 0 {
-		args = append(args, "-ss", strconv.Itoa(startSec))
-	}
-
-	args = append(args,
-		"-i", inPath,
-
-		// ✅ robust: falls Audio fehlt, trotzdem kein Fehler
-		"-map", "0:v:0?",
-		"-map", "0:a:0?",
-		"-sn",
-
-		"-vf", vf,
-
-		"-c:v", "libx264",
-		"-preset", "veryfast",
-		"-crf", crf,
-
-		"-pix_fmt", "yuv420p",
-
-		"-max_muxing_queue_size", "1024",
-
-		"-g", gop,
-		"-keyint_min", gop,
-		"-sc_threshold", "0",
-
-		// Audio nur wenn vorhanden (wegen "-map 0:a:0?")
-		"-c:a", "aac",
-		"-b:a", "128k",
-		"-ac", "2",
-
-		"-movflags", movflags,
-
-		outPath,
-	)
-
-	return args
-}
-
-func buildFFmpegCopySegmentArgs(inPath, outPath string, startSec int) []string {
-	args := []string{
-		"-hide_banner",
-		"-loglevel", "error",
-		"-nostdin",
-		"-y",
-	}
-
-	if startSec > 0 {
-		args = append(args, "-ss", strconv.Itoa(startSec))
-	}
-
-	args = append(args,
-		"-i", inPath,
-		"-map", "0:v:0?",
-		"-map", "0:a:0?",
-		"-sn",
-
-		// ✅ kein re-encode
-		"-c", "copy",
-
-		// ✅ fürs normale File: moov nach vorne
-		"-movflags", "+faststart",
-
-		outPath,
-	)
-
-	return args
-}
-
-func buildFFmpegStreamArgs(inPath string, prof TranscodeProfile) []string {
-	// Stash streamt MP4 als fragmented MP4 mit empty_moov
-	// (kein default_base_moof für "plain mp4 stream").
-	movflags := "frag_keyframe+empty_moov"
-
-	// Stash-ähnliche CRF-Werte
-	crf := "25"
-	switch strings.ToUpper(strings.TrimSpace(prof.Name)) {
-	case "HIGH", "1080P":
-		crf = "23"
-	case "MEDIUM", "720P":
-		crf = "25"
-	case "LOW", "480P":
-		crf = "27"
-	}
-
-	args := []string{
-		"-hide_banner",
-		"-loglevel", "error",
-		"-nostdin",
-		// "-y" ist bei pipe egal, kann aber bleiben – ich lasse es weg wie im Beispiel
-	}
-
-	// Input
-	args = append(args, "-i", inPath)
-
-	// robust: Video/Audio optional
-	args = append(args,
-		"-map", "0:v:0?",
-		"-map", "0:a:0?",
-		"-sn",
-	)
-
-	// Scale nur wenn wir wirklich runterskalieren wollen
-	if prof.Height > 0 {
-		vf := fmt.Sprintf("scale=-2:%d", prof.Height)
-		args = append(args, "-vf", vf)
-	}
-
-	// Video
-	args = append(args,
-		"-c:v", "libx264",
-		"-preset", "veryfast",
-		"-crf", crf,
-		"-pix_fmt", "yuv420p",
-		"-sc_threshold", "0",
-		"-max_muxing_queue_size", "1024",
-	)
-
-	// Audio (nur wenn vorhanden wegen map 0:a:0?)
-	args = append(args,
-		"-c:a", "aac",
-		"-b:a", "128k",
-		"-ac", "2",
-	)
-
-	// MP4 stream flags
-	args = append(args,
-		"-movflags", movflags,
-		"-f", "mp4",
-		"pipe:", // wichtig: wie im Beispiel
-	)
-
-	return args
-}
-
-// -------------------------
-// Cleanup helper
-// -------------------------
-
-func removeTranscodesForID(doneAbs, canonicalID string) {
-	_ = os.RemoveAll(filepath.Join(doneAbs, ".transcodes", canonicalID))
-}

backend/web/dist/index.html

@@ -5,8 +5,8 @@
     <link rel="icon" type="image/svg+xml" href="/vite.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" />
     <title>App</title>
-    <script type="module" crossorigin src="/assets/index-rrLyu52u.js"></script>
-    <link rel="stylesheet" crossorigin href="/assets/index-Cd67oQ3U.css">
+    <script type="module" crossorigin src="/assets/index-BjA9ZqZd.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-BZTD4GKM.css">
   </head>
   <body>
     <div id="root"></div>

frontend/src/App.tsx

@@ -467,8 +467,26 @@ export default function App() {
   }, [])
 
   // ✅ sagt FinishedDownloads: "bitte ALL neu laden"
+  const finishedReloadTimerRef = useRef<number | null>(null)
+
   const requestFinishedReload = useCallback(() => {
-    window.dispatchEvent(new CustomEvent('finished-downloads:reload'))
+    if (finishedReloadTimerRef.current != null) {
+      window.clearTimeout(finishedReloadTimerRef.current)
+    }
+
+    finishedReloadTimerRef.current = window.setTimeout(() => {
+      finishedReloadTimerRef.current = null
+      window.dispatchEvent(new CustomEvent('finished-downloads:reload'))
+    }, 150)
+  }, [])
+
+  useEffect(() => {
+    return () => {
+      if (finishedReloadTimerRef.current != null) {
+        window.clearTimeout(finishedReloadTimerRef.current)
+        finishedReloadTimerRef.current = null
+      }
+    }
   }, [])
 
   const loadJobs = useCallback(async () => {
@@ -2794,7 +2812,7 @@ export default function App() {
           </div>
         </div>
 
-        <main className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8 py-6 space-y-6">
+        <main className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8 py-2 space-y-2">
           {selectedTab === 'running' ? (
             <Downloads
               jobs={runningJobs}
@@ -2834,7 +2852,7 @@ export default function App() {
                 setDoneSort(m)
                 setDonePage(1)
               }}
-              loadMode="all"
+              loadMode="paged"
             />
           ) : null}
 

frontend/src/components/ui/Button.tsx

@@ -1,3 +1,5 @@
+// frontend\src\components\ui\Button.tsx
+
 import * as React from 'react'
 
 type Variant = 'primary' | 'secondary' | 'soft'

frontend/src/components/ui/Downloads.tsx

@@ -12,6 +12,7 @@ import RecordJobActions from './RecordJobActions'
 import { PauseIcon, PlayIcon } from '@heroicons/react/24/solid'
 import { subscribeSSE } from '../../lib/sseSingleton'
 import { useRecordJobsSSE } from '../../lib/useRecordJobsSSE'
+import { useMediaQuery } from '../../lib/useMediaQuery'
 
 type PendingWatchedRoom = WaitingModelRow & {
   currentShow: string // public / private / hidden / away / unknown
@@ -84,6 +85,35 @@ const toMs = (v: unknown): number => {
   return 0
 }
 
+const absUrlMaybe = (u?: string | null): string => {
+  const s = String(u ?? '').trim()
+  if (!s) return ''
+  if (/^https?:\/\//i.test(s)) return s
+  if (s.startsWith('/')) return s
+  return `/${s}`
+}
+
+const jobThumbsWebpCandidates = (job: RecordJob): string[] => {
+  const j = job as any
+
+  const direct = [
+    j.thumbsWebpUrl,
+    j.thumbsUrl,
+    j.previewThumbsUrl,
+    j.thumbnailSheetUrl,
+  ]
+
+  const base = [
+    j.previewBaseUrl ? `${String(j.previewBaseUrl).replace(/\/+$/, '')}/thumbs.webp` : '',
+    j.assetBaseUrl ? `${String(j.assetBaseUrl).replace(/\/+$/, '')}/thumbs.webp` : '',
+    j.thumbsBaseUrl ? `${String(j.thumbsBaseUrl).replace(/\/+$/, '')}/thumbs.webp` : '',
+  ]
+
+  return [...direct, ...base]
+    .map((x) => absUrlMaybe(String(x ?? '')))
+    .filter(Boolean)
+}
+
 const addedAtMsOf = (r: DownloadRow): number => {
   if (r.kind === 'job') {
     const j = r.job as any
@@ -454,6 +484,7 @@ function DownloadsCardRow({
               fastRetryMs={1000}
               fastRetryMax={25}
               fastRetryWindowMs={60_000}
+              thumbsCandidates={jobThumbsWebpCandidates(j)}
               className="w-full h-full"
             />
           </div>
@@ -689,6 +720,8 @@ export default function Downloads({
   
   const jobsLive = useRecordJobsSSE(jobs)
 
+  const isDesktop = useMediaQuery('(min-width: 640px)', true)
+
   const [stopAllBusy, setStopAllBusy] = useState(false)
 
   const [watchedPaused, setWatchedPaused] = useState(false)
@@ -914,6 +947,7 @@ export default function Downloads({
                   fastRetryMs={1000}
                   fastRetryMax={25}
                   fastRetryWindowMs={60_000}
+                  thumbsCandidates={jobThumbsWebpCandidates(j)}
                   className="w-full h-full"
                 />
               </div>
@@ -1212,9 +1246,41 @@ export default function Downloads({
       })
       .map((job) => ({ kind: 'job', job }) as const)
 
-    list.sort((a, b) => addedAtMsOf(b) - addedAtMsOf(a))
+    const stateRank = (j: RecordJob): number => {
+      const pw = (j as any)?.postWork
+      const state = String(pw?.state ?? '').toLowerCase()
+
+      // running zuerst anzeigen, queued danach
+      if (state === 'running') return 0
+      if (state === 'queued') return 1
+      return 2
+    }
+
+    const queuePosOf = (j: RecordJob): number => {
+      const id = String((j as any)?.id ?? '')
+      const info = id ? postworkQueueInfoById.get(id) : undefined
+      return typeof info?.pos === 'number' && Number.isFinite(info.pos) ? info.pos : Number.MAX_SAFE_INTEGER
+    }
+
+    list.sort((a, b) => {
+      const aj = a.job
+      const bj = b.job
+
+      // 1) running vor queued/sonst
+      const sr = stateRank(aj) - stateRank(bj)
+      if (sr !== 0) return sr
+
+      // 2) queued nach Position in der Queue sortieren (1, 2, 3, ...)
+      const pa = queuePosOf(aj)
+      const pb = queuePosOf(bj)
+      if (pa !== pb) return pa - pb
+
+      // 3) Fallback stabil nach enqueue/addedAt (älter zuerst)
+      return addedAtMsOf(a) - addedAtMsOf(b)
+    })
+
     return list
-  }, [jobsLive])
+  }, [jobsLive, postworkQueueInfoById])
 
   const pendingRows = useMemo<DownloadRow[]>(() => {
     const list = pending.map((p) => ({ kind: 'pending', pending: p }) as const)
@@ -1306,8 +1372,9 @@ export default function Downloads({
       {/* ✅ Content abhängig von Jobs/Pending */}
       {(downloadJobRows.length > 0 || postworkRows.length > 0 || pendingRows.length > 0) ? (
       <>
-        {/* Mobile: Cards */}
-        <div className="mt-3 grid gap-4 sm:hidden">
+      {!isDesktop ? (
+        /* Mobile: Cards (wirklich nur mobile gemountet) */
+        <div className="mt-3 grid gap-4">
           {downloadJobRows.length > 0 ? (
             <>
               <div className="text-xs font-semibold text-gray-700 dark:text-gray-200">
@@ -1383,9 +1450,9 @@ export default function Downloads({
             </>
           ) : null}
         </div>
-
-        {/* Desktop: Tabellen */}
-        <div className="mt-3 hidden sm:block space-y-4">
+      ) : (
+        /* Desktop: Tabellen (wirklich nur desktop gemountet) */
+        <div className="mt-3 space-y-4">
           {downloadJobRows.length > 0 ? (
             <div className="overflow-x-auto">
               <div className="mb-2 text-sm font-semibold text-gray-900 dark:text-white">
@@ -1446,6 +1513,7 @@ export default function Downloads({
             </div>
           ) : null}
         </div>
+      )}
       </>
     ) : (
       <Card grayBody>

frontend/src/components/ui/FinishedDownloads.tsx

@@ -195,7 +195,6 @@ const sizeBytesOf = (job: RecordJob): number | null => {
   return typeof v === 'number' && Number.isFinite(v) && v > 0 ? v : null
 }
 
-
 export default function FinishedDownloads({ 
   jobs,
   doneJobs,
@@ -240,14 +239,63 @@ export default function FinishedDownloads({
 
   const [isLoading, setIsLoading] = React.useState(false)
 
+  const refillInFlightRef = React.useRef(false)
+
   type UndoAction =
-  | { kind: 'delete'; undoToken: string; originalFile: string; from?: 'done' | 'keep' }
-  | { kind: 'keep'; keptFile: string; originalFile: string }
+  | { kind: 'delete'; undoToken: string; originalFile: string; rowKey?: string; from?: 'done' | 'keep' }
+  | { kind: 'keep'; keptFile: string; originalFile: string; rowKey?: string }
   | { kind: 'hot'; currentFile: string }
 
-  const [lastAction, setLastAction] = React.useState<UndoAction | null>(null)
+  type PersistedUndoState = {
+    v: 1
+    action: UndoAction
+    ts: number
+  }
+
+  const LAST_UNDO_KEY = 'finishedDownloads_lastUndo_v1'
+
+  const [lastAction, setLastAction] = React.useState<UndoAction | null>(() => {
+    if (typeof window === 'undefined') return null
+    try {
+      const raw = localStorage.getItem(LAST_UNDO_KEY)
+      if (!raw) return null
+
+      const parsed = JSON.parse(raw) as PersistedUndoState
+      if (!parsed || parsed.v !== 1 || !parsed.action) return null
+
+      // optional TTL (z. B. 30 min), damit kein uraltes Undo angezeigt wird
+      const ageMs = Date.now() - Number(parsed.ts || 0)
+      if (!Number.isFinite(ageMs) || ageMs < 0 || ageMs > 30 * 60 * 1000) {
+        localStorage.removeItem(LAST_UNDO_KEY)
+        return null
+      }
+
+      return parsed.action
+    } catch {
+      return null
+    }
+  })
   const [undoing, setUndoing] = React.useState(false)
 
+  useEffect(() => {
+    try {
+      if (!lastAction) {
+        localStorage.removeItem(LAST_UNDO_KEY)
+        return
+      }
+
+      const payload: PersistedUndoState = {
+        v: 1,
+        action: lastAction,
+        ts: Date.now(),
+      }
+
+      localStorage.setItem(LAST_UNDO_KEY, JSON.stringify(payload))
+    } catch {
+      // ignore
+    }
+  }, [lastAction])
+
   // 🔥 lokale Optimistik: HOT Rename sofort in der UI spiegeln
   const [renamedFiles, setRenamedFiles] = React.useState<Record<string, string>>({})
 
@@ -297,108 +345,6 @@ export default function FinishedDownloads({
 
   const swipeRefs = React.useRef<Map<string, SwipeCardHandle>>(new Map())
 
-  const undoLastAction = useCallback(async () => {
-    if (!lastAction || undoing) return
-    setUndoing(true)
-
-    const unhide = (file: string) => {
-      setDeletedKeys((prev) => {
-        const next = new Set(prev)
-        next.delete(file)
-        return next
-      })
-      setDeletingKeys((prev) => {
-        const next = new Set(prev)
-        next.delete(file)
-        return next
-      })
-      setKeepingKeys((prev) => {
-        const next = new Set(prev)
-        next.delete(file)
-        return next
-      })
-      setRemovingKeys((prev) => {
-        const next = new Set(prev)
-        next.delete(file)
-        return next
-      })
-    }
-
-    try {
-      if (lastAction.kind === 'delete') {
-        const res = await fetch(
-          `/api/record/restore?token=${encodeURIComponent(lastAction.undoToken)}`,
-          { method: 'POST' }
-        )
-        if (!res.ok) {
-          const text = await res.text().catch(() => '')
-          throw new Error(text || `HTTP ${res.status}`)
-        }
-        const data = await res.json().catch(() => null) as any
-        const restoredFile = String(data?.restoredFile || lastAction.originalFile)
-
-        unhide(lastAction.originalFile)
-        unhide(restoredFile)
-
-        const visibleDelta = lastAction.from === 'keep' && !includeKeep ? 0 : +1
-        emitCountHint(visibleDelta)
-        queueRefill()
-        setLastAction(null)
-        return
-      }
-
-      if (lastAction.kind === 'keep') {
-        const res = await fetch(
-          `/api/record/unkeep?file=${encodeURIComponent(lastAction.keptFile)}`,
-          { method: 'POST' }
-        )
-        if (!res.ok) {
-          const text = await res.text().catch(() => '')
-          throw new Error(text || `HTTP ${res.status}`)
-        }
-        const data = await res.json().catch(() => null) as any
-        const restoredFile = String(data?.newFile || lastAction.originalFile)
-
-        unhide(lastAction.originalFile)
-        unhide(restoredFile)
-
-        emitCountHint(+1)
-        queueRefill()
-        setLastAction(null)
-        return
-      }
-
-      if (lastAction.kind === 'hot') {
-        // HOT ist reversibel über denselben Toggle-Endpunkt
-        const res = await fetch(
-          `/api/record/toggle-hot?file=${encodeURIComponent(lastAction.currentFile)}`,
-          { method: 'POST' }
-        )
-        if (!res.ok) {
-          const text = await res.text().catch(() => '')
-          throw new Error(text || `HTTP ${res.status}`)
-        }
-
-        // UI-optimistik (damit es sofort stimmt)
-        const data = (await res.json().catch(() => null)) as any
-        const oldFile = String(data?.oldFile || lastAction.currentFile)
-        const newFile = String(data?.newFile || '')
-
-        if (newFile) {
-          applyRename(oldFile, newFile)
-        }
-
-        queueRefill()
-        setLastAction(null)
-        return
-      }
-    } catch (e: any) {
-      notify.error('Undo fehlgeschlagen', String(e?.message || e))
-    } finally {
-      setUndoing(false)
-    }
-  }, [lastAction, undoing, notify, queueRefill])
-
   // 🏷️ Tag-Filter (klickbare Tags wie in ModelsTab)
   const [tagFilter, setTagFilter] = React.useState<string[]>([])
   const activeTagSet = useMemo(() => new Set(tagFilter.map(lower)), [tagFilter])
@@ -510,20 +456,33 @@ export default function FinishedDownloads({
     const ac = new AbortController()
     let alive = true
 
+    const finishRefill = () => {
+      refillInFlightRef.current = false
+    }
+
+    // ✅ Refill läuft
+    refillInFlightRef.current = true
+
     // ✅ Wenn Filter aktiv: nicht paginiert ziehen, sondern "all"
     if (effectiveAllMode) {
       ;(async () => {
         try {
-          // (Wenn fetchAllDoneJobs selbst setIsLoading macht: reicht das.)
+          // fetchAllDoneJobs setzt isLoading selbst
           await fetchAllDoneJobs(ac.signal)
+          if (alive) {
+            refillRetryRef.current = 0
+          }
         } catch {
-          // ignore
+          // ignore (Abort/Netzwerk)
+        } finally {
+          if (alive) finishRefill()
         }
       })()
 
       return () => {
         alive = false
         ac.abort()
+        finishRefill()
       }
     }
 
@@ -532,7 +491,7 @@ export default function FinishedDownloads({
 
     ;(async () => {
       try {
-        // 1) Liste + count in EINEM Request holen (mitCount), damit Pagination stimmt
+        // 1) Liste + count holen
         const [listRes, metaRes] = await Promise.all([
           fetch(
             `/api/record/done?page=${page}&pageSize=${pageSize}&sort=${encodeURIComponent(sortMode)}${
@@ -546,20 +505,27 @@ export default function FinishedDownloads({
           ),
         ])
 
-        let okAll = true
+        if (!alive || ac.signal.aborted) return
+
+        let okAll = listRes.ok && metaRes.ok
 
         if (listRes.ok) {
           const data = await listRes.json().catch(() => null)
+          if (!alive || ac.signal.aborted) return
+
           const items = Array.isArray(data?.items)
             ? (data.items as RecordJob[])
             : Array.isArray(data)
               ? data
               : []
+
           setOverrideDoneJobs(items)
         }
 
         if (metaRes.ok) {
           const meta = await metaRes.json().catch(() => null)
+          if (!alive || ac.signal.aborted) return
+
           const countRaw = Number(meta?.count ?? 0)
           const count = Number.isFinite(countRaw) && countRaw >= 0 ? countRaw : 0
 
@@ -575,22 +541,30 @@ export default function FinishedDownloads({
 
         if (okAll) {
           refillRetryRef.current = 0
-        } else if (alive && refillRetryRef.current < 2) {
-          refillRetryRef.current++
+        } else if (alive && !ac.signal.aborted && refillRetryRef.current < 2) {
+          refillRetryRef.current += 1
+          const retryNo = refillRetryRef.current
+
           window.setTimeout(() => {
-            if (!ac.signal.aborted) setRefillTick((n) => n + 1)
-          }, 400 * refillRetryRef.current)
+            if (!ac.signal.aborted) {
+              setRefillTick((n) => n + 1)
+            }
+          }, 400 * retryNo)
         }
       } catch {
         // Abort / Fehler ignorieren
       } finally {
-        if (alive) setIsLoading(false)
+        if (alive) {
+          setIsLoading(false)
+          finishRefill()
+        }
       }
     })()
 
     return () => {
       alive = false
       ac.abort()
+      finishRefill()
     }
   }, [
     refillTick,
@@ -813,6 +787,15 @@ export default function FinishedDownloads({
   // ⏱️ Timer pro Key, damit wir Optimistik bei Fehler sauber zurückrollen können
   const removeTimersRef = React.useRef<Map<string, number>>(new Map())
 
+  useEffect(() => {
+    return () => {
+      for (const t of removeTimersRef.current.values()) {
+        window.clearTimeout(t)
+      }
+      removeTimersRef.current.clear()
+    }
+  }, [])
+
   const markRemoving = useCallback((key: string, value: boolean) => {
     setRemovingKeys((prev) => {
       const next = new Set(prev)
@@ -862,9 +845,6 @@ export default function FinishedDownloads({
 
   const animateRemove = useCallback(
     (key: string) => {
-      // ✅ Refill sofort starten (parallel zur Animation)
-      queueRefill()
-
       markRemoving(key, true)
       cancelRemoveTimer(key)
 
@@ -877,7 +857,7 @@ export default function FinishedDownloads({
 
       removeTimersRef.current.set(key, t)
     },
-    [markDeleted, markRemoving, queueRefill, cancelRemoveTimer]
+    [markDeleted, markRemoving, cancelRemoveTimer]
   )
 
   const releasePlayingFile = useCallback(
@@ -913,7 +893,7 @@ export default function FinishedDownloads({
           const undoToken = (r as any)?.undoToken
 
           if (typeof undoToken === 'string' && undoToken) {
-            setLastAction({ kind: 'delete', undoToken, originalFile: file })
+            setLastAction({ kind: 'delete', undoToken, originalFile: file, rowKey: key })
           } else {
             setLastAction(null)
             // optional: nicht als "error" melden, eher info/warn
@@ -922,6 +902,7 @@ export default function FinishedDownloads({
 
           // ✅ OPTIMISTIK + Pagination refill + count hint
           animateRemove(key)
+          queueRefill()
           emitCountHint(-1)
           // animateRemove queued already queueRefill(), aber extra ist ok:
           // queueRefill()
@@ -941,10 +922,11 @@ export default function FinishedDownloads({
         const from = (data?.from === 'keep' ? 'keep' : 'done') as 'done' | 'keep'
         const undoToken = typeof data?.undoToken === 'string' ? data.undoToken : ''
 
-        if (undoToken) setLastAction({ kind: 'delete', undoToken, originalFile: file, from })
+        if (undoToken) setLastAction({ kind: 'delete', undoToken, originalFile: file, rowKey: key, from })
         else setLastAction(null)
 
         animateRemove(key)
+        queueRefill()
 
         // ✅ Tab-Count sofort korrigieren (App hört drauf)
         emitCountHint(-1)
@@ -967,7 +949,9 @@ export default function FinishedDownloads({
       onDeleteJob,
       animateRemove,
       notify,
-      setLastAction,
+      restoreRow,
+      queueRefill,
+      emitCountHint,
     ]
   )
 
@@ -997,10 +981,11 @@ export default function FinishedDownloads({
         const keptFile = typeof data?.newFile === 'string' && data.newFile ? data.newFile : file
 
         // ✅ Undo-Info merken
-        setLastAction({ kind: 'keep', keptFile, originalFile: file })
+        setLastAction({ kind: 'keep', keptFile, originalFile: file, rowKey: key })
 
         // ✅ aus UI entfernen (wie delete), aber "keep" ist kein delete -> trotzdem raus aus finished
         animateRemove(key)
+        queueRefill()
 
         // ✅ Tab-Count sofort korrigieren (App hört drauf)
         emitCountHint(includeKeep ? 0 : -1)
@@ -1020,7 +1005,9 @@ export default function FinishedDownloads({
       releasePlayingFile,
       animateRemove,
       notify,
-      setLastAction,
+      queueRefill,
+      emitCountHint,
+      includeKeep,
     ]
   )
 
@@ -1036,6 +1023,120 @@ export default function FinishedDownloads({
     })
   }, [])
 
+  
+
+  const undoLastAction = useCallback(async () => {
+    if (!lastAction || undoing) return
+    setUndoing(true)
+
+    const unhideByToken = (token: string) => {
+      setDeletedKeys((prev) => {
+        const next = new Set(prev)
+        next.delete(token)
+        return next
+      })
+      setDeletingKeys((prev) => {
+        const next = new Set(prev)
+        next.delete(token)
+        return next
+      })
+      setKeepingKeys((prev) => {
+        const next = new Set(prev)
+        next.delete(token)
+        return next
+      })
+      setRemovingKeys((prev) => {
+        const next = new Set(prev)
+        next.delete(token)
+        return next
+      })
+    }
+
+    try {
+      if (lastAction.kind === 'delete') {
+        const res = await fetch(
+          `/api/record/restore?token=${encodeURIComponent(lastAction.undoToken)}`,
+          { method: 'POST' }
+        )
+        if (!res.ok) {
+          const text = await res.text().catch(() => '')
+          throw new Error(text || `HTTP ${res.status}`)
+        }
+        const data = await res.json().catch(() => null) as any
+        const restoredFile = String(data?.restoredFile || lastAction.originalFile)
+
+        if (lastAction.rowKey) unhideByToken(lastAction.rowKey)
+        // Fallbacks (falls alte lastAction ohne rowKey existiert)
+        unhideByToken(lastAction.originalFile)
+        unhideByToken(restoredFile)
+
+        const visibleDelta = lastAction.from === 'keep' && !includeKeep ? 0 : +1
+        emitCountHint(visibleDelta)
+        queueRefill()
+        setLastAction(null)
+        return
+      }
+
+      if (lastAction.kind === 'keep') {
+        const res = await fetch(
+          `/api/record/unkeep?file=${encodeURIComponent(lastAction.keptFile)}`,
+          { method: 'POST' }
+        )
+        if (!res.ok) {
+          const text = await res.text().catch(() => '')
+          throw new Error(text || `HTTP ${res.status}`)
+        }
+        const data = await res.json().catch(() => null) as any
+        const restoredFile = String(data?.newFile || lastAction.originalFile)
+
+        if (lastAction.rowKey) unhideByToken(lastAction.rowKey)
+        // Fallbacks (für ältere Actions / Sonderfälle)
+        unhideByToken(lastAction.originalFile)
+        unhideByToken(restoredFile)
+
+        emitCountHint(+1)
+        queueRefill()
+        setLastAction(null)
+        return
+      }
+
+      if (lastAction.kind === 'hot') {
+        const res = await fetch(
+          `/api/record/toggle-hot?file=${encodeURIComponent(lastAction.currentFile)}`,
+          { method: 'POST' }
+        )
+        if (!res.ok) {
+          const text = await res.text().catch(() => '')
+          throw new Error(text || `HTTP ${res.status}`)
+        }
+
+        const data = (await res.json().catch(() => null)) as any
+        const oldFile = String(data?.oldFile || lastAction.currentFile)
+        const newFile = String(data?.newFile || '')
+
+        if (newFile) {
+          applyRename(oldFile, newFile)
+        }
+
+        queueRefill()
+        setLastAction(null)
+        return
+      }
+    } catch (e: any) {
+      notify.error('Undo fehlgeschlagen', String(e?.message || e))
+    } finally {
+      setUndoing(false)
+    }
+  }, [
+    lastAction,
+    undoing,
+    notify,
+    queueRefill,
+    includeKeep,
+    emitCountHint,
+    applyRename,
+  ])
+
   const toggleHotVideo = useCallback(
     async (job: RecordJob) => {
       const currentFile = baseName(job.output || '')
@@ -1112,8 +1213,8 @@ export default function FinishedDownloads({
 
         notify.error('HOT umbenennen fehlgeschlagen', String(e?.message || e))
       }
-    },
-    [baseName, notify, applyRename, releasePlayingFile, onToggleHot, queueRefill, setLastAction]
+      },
+    [notify, applyRename, releasePlayingFile, onToggleHot, queueRefill, sortMode]
   )
 
   const applyRenamedOutput = useCallback(
@@ -1127,7 +1228,7 @@ export default function FinishedDownloads({
       const dir = idx >= 0 ? out.slice(0, idx + 1) : ''
       return { ...job, output: dir + override }
     },
-    [renamedFiles, baseName]
+    [renamedFiles]
   )
 
   const doneJobsPage = overrideDoneJobs ?? doneJobs
@@ -1214,12 +1315,8 @@ export default function FinishedDownloads({
 
   useEffect(() => {
     const onReload = () => {
-      // ✅ wichtig: das soll "ALL neu laden" triggern
-      // Option A (wenn vorhanden):
+      if (refillInFlightRef.current) return
       queueRefill()
-
-      // Option B (falls du kein queueRefill hast):
-      // void fetchAllDoneJobs(new AbortController().signal)
     }
 
     window.addEventListener('finished-downloads:reload', onReload as any)
@@ -1424,6 +1521,20 @@ export default function FinishedDownloads({
   // ✅ Hooks immer zuerst – unabhängig von rows
   const isSmall = useMediaQuery('(max-width: 639px)')
 
+  useEffect(() => {
+    if (!isSmall) return
+    if (view !== 'cards') return
+
+    const top = pageRows[0]
+    if (!top) {
+      setTeaserKey(null)
+      return
+    }
+
+    const topKey = keyFor(top)
+    setTeaserKey((prev) => (prev === topKey ? prev : topKey))
+  }, [isSmall, view, pageRows, keyFor])
+
   useEffect(() => {
     if (!isSmall) {
       // dein Cleanup (z.B. swipeRefs reset) wie gehabt
@@ -1739,7 +1850,7 @@ export default function FinishedDownloads({
                 Lade Downloads…
               </div>
               <div className="text-xs text-gray-600 dark:text-gray-300">
-                Bitte einen Moment.
+                Bitte warte einen Moment.
               </div>
             </div>
 
@@ -1799,48 +1910,49 @@ export default function FinishedDownloads({
       ) : (
         <>
           {view === 'cards' && (
-            <FinishedDownloadsCardsView
-              rows={pageRows}
-              isSmall={isSmall}
-              isLoading={isLoading}
-              blurPreviews={blurPreviews}
-              durations={durations}
-              teaserKey={teaserKey}
-              teaserPlayback={teaserPlaybackMode}
-              teaserAudio={teaserAudio}
-              hoverTeaserKey={hoverTeaserKey}
-              inlinePlay={inlinePlay}
-              setInlinePlay={setInlinePlay}
-              deletingKeys={deletingKeys}
-              keepingKeys={keepingKeys}
-              removingKeys={removingKeys}
-              swipeRefs={swipeRefs}
-              keyFor={keyFor}
-              baseName={baseName}
-              modelNameFromOutput={modelNameFromOutput}
-              runtimeOf={runtimeOf}
-              sizeBytesOf={sizeBytesOf}
-              formatBytes={formatBytes}
-              lower={lower}
-              onOpenPlayer={onOpenPlayer}
-              openPlayer={openPlayer}
-              startInline={startInline}
-              tryAutoplayInline={tryAutoplayInline}
-              registerTeaserHost={registerTeaserHost}
-              handleDuration={handleDuration}
-              deleteVideo={deleteVideo}
-              keepVideo={keepVideo}
-              releasePlayingFile={releasePlayingFile}
-              modelsByKey={modelsByKey}
-              onToggleHot={toggleHotVideo}
-              onToggleFavorite={onToggleFavorite}
-              onToggleLike={onToggleLike}
-              onToggleWatch={onToggleWatch}
-              activeTagSet={activeTagSet}
-              onToggleTagFilter={toggleTagFilter}
-              onHoverPreviewKeyChange={setHoverTeaserKey}
-              assetNonce={assetNonce ?? 0}
-            />
+            <div className={isSmall ? 'mt-8' : ''}>
+              <FinishedDownloadsCardsView
+                rows={pageRows}
+                isSmall={isSmall}
+                isLoading={isLoading}
+                blurPreviews={blurPreviews}
+                durations={durations}
+                teaserKey={teaserKey}
+                teaserPlayback={teaserPlaybackMode}
+                teaserAudio={teaserAudio}
+                hoverTeaserKey={hoverTeaserKey}
+                inlinePlay={inlinePlay}
+                deletingKeys={deletingKeys}
+                keepingKeys={keepingKeys}
+                removingKeys={removingKeys}
+                swipeRefs={swipeRefs}
+                keyFor={keyFor}
+                baseName={baseName}
+                modelNameFromOutput={modelNameFromOutput}
+                runtimeOf={runtimeOf}
+                sizeBytesOf={sizeBytesOf}
+                formatBytes={formatBytes}
+                lower={lower}
+                onOpenPlayer={onOpenPlayer}
+                openPlayer={openPlayer}
+                startInline={startInline}
+                tryAutoplayInline={tryAutoplayInline}
+                registerTeaserHost={registerTeaserHost}
+                handleDuration={handleDuration}
+                deleteVideo={deleteVideo}
+                keepVideo={keepVideo}
+                releasePlayingFile={releasePlayingFile}
+                modelsByKey={modelsByKey}
+                onToggleHot={toggleHotVideo}
+                onToggleFavorite={onToggleFavorite}
+                onToggleLike={onToggleLike}
+                onToggleWatch={onToggleWatch}
+                activeTagSet={activeTagSet}
+                onToggleTagFilter={toggleTagFilter}
+                onHoverPreviewKeyChange={setHoverTeaserKey}
+                assetNonce={assetNonce ?? 0}
+              />
+            </div>
           )}
 
           {view === 'table' && (

frontend/src/components/ui/FinishedDownloadsCardsView.tsx

@@ -30,7 +30,6 @@ type Props = {
   durations: Record<string, number>
   teaserKey: string | null
   inlinePlay: InlinePlayState
-  setInlinePlay: React.Dispatch<React.SetStateAction<InlinePlayState>>
 
   deletingKeys: Set<string>
   keepingKeys: Set<string>
@@ -103,8 +102,6 @@ export default function FinishedDownloadsCardsView({
   blurPreviews,
   teaserKey,
   inlinePlay,
-  setInlinePlay,
-
   deletingKeys,
   keepingKeys,
   removingKeys,
@@ -152,235 +149,432 @@ export default function FinishedDownloadsCardsView({
     return null
   }, [])
 
-  const metaChipCls = 'rounded bg-black/40 px-1.5 py-0.5 text-xs font-medium backdrop-blur-[2px]'
+  const renderCardItem = (
+    j: RecordJob,
+    opts?: {
+      forceStill?: boolean
+      disableInline?: boolean
+      disablePreviewHover?: boolean
+      isDecorative?: boolean
+      forceLoadStill?: boolean
+      mobileStackTopOnlyVideo?: boolean
+    }
+  ) => {
+    const k = keyFor(j)
+    const realInlineActive = inlinePlay?.key === k
+    const inlineActive = opts?.disableInline ? false : realInlineActive
+
+    const allowSound =
+      !opts?.forceStill &&
+      Boolean(teaserAudio) &&
+      (inlineActive || hoverTeaserKey === k)
+
+    const previewMuted = !allowSound
+    const inlineNonce = inlineActive ? inlinePlay?.nonce ?? 0 : 0
+
+    const forceLoadStill = Boolean(opts?.forceLoadStill)
+
+    // ✅ Im Mobile-Stack soll nur die Top-Card Teaser-Video bekommen.
+    // Untere Karten zeigen immer nur Bild (Still), selbst wenn teaserKey mal matcht.
+    const allowTeaserAnimation =
+      opts?.forceStill
+        ? false
+        : opts?.mobileStackTopOnlyVideo
+          ? (teaserPlayback === 'all' || (teaserPlayback === 'hover' ? teaserKey === k : false))
+          : (teaserPlayback === 'all'
+              ? true
+              : teaserPlayback === 'hover'
+                ? teaserKey === k
+                : false)
+
+    const busy = deletingKeys.has(k) || keepingKeys.has(k) || removingKeys.has(k)
+
+    const model = modelNameFromOutput(j.output)
+    const fileRaw = baseName(j.output || '')
+    const isHot = isHotName(fileRaw)
+
+    const flags = modelsByKey[lower(model)]
+    const isFav = Boolean(flags?.favorite)
+    const isLiked = flags?.liked === true
+    const isWatching = Boolean(flags?.watching)
+
+    const tags = parseTags(flags?.tags)
+
+    const dur = runtimeOf(j)
+    const size = formatBytes(sizeBytesOf(j))
+
+    const resObj = resolutionObjOf(j)
+    const resLabel = formatResolution(resObj)
+
+    const inlineDomId = `inline-prev-${encodeURIComponent(k)}`
+
+    // ✅ Shell an Gallery angelehnt
+    const shellCls = [
+      'group relative rounded-lg overflow-hidden outline-1 outline-black/5 dark:-outline-offset-1 dark:outline-white/10',
+      'bg-white dark:bg-gray-900/40',
+      'transition-all duration-200',
+      !isSmall && 'hover:-translate-y-0.5 hover:shadow-md dark:hover:shadow-none',
+      'focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600 dark:focus-visible:outline-indigo-500',
+      busy && 'pointer-events-none opacity-70',
+      deletingKeys.has(k) && 'ring-1 ring-red-300 bg-red-50/60 dark:bg-red-500/10 dark:ring-red-500/30',
+      keepingKeys.has(k) && 'ring-1 ring-emerald-300 bg-emerald-50/60 dark:bg-emerald-500/10 dark:ring-emerald-500/30',
+      removingKeys.has(k) && 'opacity-0 translate-y-2 scale-[0.98]',
+    ]
+      .filter(Boolean)
+      .join(' ')
+
+    const cardInner = (
+      <div
+        role="button"
+        tabIndex={0}
+        className={shellCls}
+        onClick={isSmall ? undefined : () => openPlayer(j)}
+        onKeyDown={(e) => {
+          if (e.key === 'Enter' || e.key === ' ') onOpenPlayer(j)
+        }}
+      >
+        {/* Card shell keeps backgrounds consistent */}
+        <Card noBodyPadding className="overflow-hidden bg-transparent">
+          {/* Preview */}
+          <div
+            id={inlineDomId}
+            ref={
+              opts?.disableInline || opts?.isDecorative
+                ? undefined
+                : registerTeaserHost(k)
+            }
+            className="relative aspect-video rounded-t-lg bg-black/5 dark:bg-white/5"
+            onMouseEnter={
+              isSmall || opts?.disablePreviewHover ? undefined : () => onHoverPreviewKeyChange?.(k)
+            }
+            onMouseLeave={
+              isSmall || opts?.disablePreviewHover ? undefined : () => onHoverPreviewKeyChange?.(null)
+            }
+            onClick={(e) => {
+              e.preventDefault()
+              e.stopPropagation()
+              if (isSmall || opts?.disableInline) return
+              startInline(k)
+            }}
+          >
+            {/* media */}
+            <div className="absolute inset-0">
+              {/* Meta-Overlay im Video nur anzeigen, wenn KEIN Inline-Player aktiv ist */}
+              {!inlineActive ? (
+                <div
+                  className={
+                    'pointer-events-none absolute right-2 bottom-2 z-10 transition-opacity duration-150 ' +
+                    (inlineActive ? 'opacity-0' : 'opacity-100')
+                  }
+                >
+                  <div
+                    className="flex items-center gap-1.5 text-right text-[11px] font-semibold leading-none text-white [text-shadow:_0_1px_0_rgba(0,0,0,0.95),_1px_0_0_rgba(0,0,0,0.95),_-1px_0_0_rgba(0,0,0,0.95),_0_-1px_0_rgba(0,0,0,0.95),_1px_1px_0_rgba(0,0,0,0.8),_-1px_1px_0_rgba(0,0,0,0.8),_1px_-1px_0_rgba(0,0,0,0.8),_-1px_-1px_0_rgba(0,0,0,0.8)]"
+                    title={[
+                      dur,
+                      resObj ? `${resObj.w}×${resObj.h}` : resLabel || '',
+                      size,
+                    ]
+                      .filter(Boolean)
+                      .join(' • ')}
+                  >
+                    <span>{dur}</span>
+                    {resLabel ? <span aria-hidden="true">•</span> : null}
+                    {resLabel ? <span>{resLabel}</span> : null}
+                    <span aria-hidden="true">•</span>
+                    <span>{size}</span>
+                  </div>
+                </div>
+              ) : null}
+
+              <FinishedVideoPreview
+                job={j}
+                getFileName={baseName}
+                className="h-full w-full"
+                showPopover={false}
+                blur={inlineActive ? false : Boolean(blurPreviews)}
+                animated={allowTeaserAnimation}
+                animatedMode="teaser"
+                animatedTrigger="always"
+                inlineVideo={!opts?.disableInline && inlineActive ? 'always' : false}
+                inlineNonce={inlineNonce}
+                inlineControls={inlineActive}
+                inlineLoop={false}
+                muted={previewMuted}
+                popoverMuted={previewMuted}
+                assetNonce={assetNonce ?? 0}
+                alwaysLoadStill={forceLoadStill || true}
+                teaserPreloadEnabled={
+                  // ✅ im Mobile-Stack nur für Top-Card Teaser preloaden
+                  opts?.mobileStackTopOnlyVideo ? true : !isSmall
+                }
+                teaserPreloadRootMargin={isSmall ? '900px 0px' : '700px 0px'}
+              />
+            </div>
+          </div>
+
+          {/* Footer / Meta (wie Gallery strukturiert) */}
+          <div className="relative min-h-[112px] overflow-hidden px-4 py-3 border-t border-black/5 dark:border-white/10 bg-white dark:bg-gray-900">
+            <div className="flex items-start justify-between gap-2">
+              <div className="min-w-0">
+                <div className="truncate text-sm font-semibold text-gray-900 dark:text-white">{model}</div>
+
+                <div className="mt-0.5 flex items-start gap-2 min-w-0">
+                  {isHot ? (
+                    <span className="shrink-0 self-start rounded bg-amber-500/15 px-1.5 py-0.5 text-[11px] leading-none font-semibold text-amber-800 dark:text-amber-300">
+                      HOT
+                    </span>
+                  ) : null}
+
+                  <span className="min-w-0 truncate text-xs text-gray-500 dark:text-gray-400">
+                    {stripHotPrefix(fileRaw) || '—'}
+                  </span>
+                </div>
+              </div>
+
+              <div className="shrink-0 flex items-center gap-1.5 pt-0.5">
+                {isWatching ? <EyeSolidIcon className="size-4 text-sky-600 dark:text-sky-300" /> : null}
+                {isLiked ? <HeartSolidIcon className="size-4 text-rose-600 dark:text-rose-300" /> : null}
+                {isFav ? <StarSolidIcon className="size-4 text-amber-600 dark:text-amber-300" /> : null}
+              </div>
+            </div>
+
+            {/* Meta + Actions (nicht im Video) */}
+            <div
+              className="mt-2"
+              onClick={(e) => e.stopPropagation()}
+              onMouseDown={(e) => e.stopPropagation()}
+            >
+              {/* Actions: volle Breite */}
+              <div className="w-full">
+                <div className="w-full rounded-md bg-gray-50/70 p-1 ring-1 ring-black/5 dark:bg-white/5 dark:ring-white/10">
+                  <RecordJobActions
+                    job={j}
+                    variant="table"
+                    busy={busy}
+                    collapseToMenu
+                    compact={false}
+                    isHot={isHot}
+                    isFavorite={isFav}
+                    isLiked={isLiked}
+                    isWatching={isWatching}
+                    onToggleWatch={onToggleWatch}
+                    onToggleFavorite={onToggleFavorite}
+                    onToggleLike={onToggleLike}
+                    onToggleHot={onToggleHot}
+                    onKeep={keepVideo}
+                    onDelete={deleteVideo}
+                    order={['watch', 'favorite', 'like', 'hot', 'keep', 'delete', 'details', 'add']}
+                    className="w-full gap-1.5"
+                  />
+                </div>
+              </div>
+            </div>
+
+            {/* Tags */}
+            <div className="mt-2" onClick={(e) => e.stopPropagation()} onMouseDown={(e) => e.stopPropagation()}>
+              <TagOverflowRow
+                rowKey={k}
+                tags={tags}
+                activeTagSet={activeTagSet}
+                lower={lower}
+                onToggleTagFilter={onToggleTagFilter}
+              />
+            </div>
+          </div>
+        </Card>
+      </div>
+    )
+
+    return {
+      k,
+      j,
+      busy,
+      isHot,
+      inlineDomId,
+      cardInner,
+    }
+  }
+  
+  const mobileStackDepth = 3
+
+  // Sichtbarer Stack bleibt bei 3 Karten
+  const mobileVisibleStackRows = isSmall ? rows.slice(0, mobileStackDepth) : []
+
+  // Für Preload (Still-Previews) verwenden wir ALLE Rows auf Mobile
+  const mobileAllRows = isSmall ? rows : []
+
+  // größerer Peek-Offset für stärkeren Stack-Effekt
+  const stackPeekOffsetPx = 15
+
+  // zusätzlicher Abstand ÜBER dem Stack (zum vorherigen Element)
+  const stackTopGapPx = 24
+
+  // weil wir nach OBEN stacken, brauchen wir oben Platz
+  const stackExtraTopPx = (Math.min(mobileVisibleStackRows.length, mobileStackDepth) - 1) * stackPeekOffsetPx
 
   return (
     <div className="relative">
-      <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
-        {rows.map((j) => {
-          const k = keyFor(j)
-          const inlineActive = inlinePlay?.key === k
-          const allowSound = Boolean(teaserAudio) && (inlineActive || hoverTeaserKey === k)
-          const previewMuted = !allowSound
-          const inlineNonce = inlineActive ? inlinePlay?.nonce ?? 0 : 0
+      {!isSmall ? (
+        <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
+          {rows.map((j) => {
+            const { k, cardInner } = renderCardItem(j)
 
-          const busy = deletingKeys.has(k) || keepingKeys.has(k) || removingKeys.has(k)
+            return (
+              <React.Fragment key={k}>
+                {cardInner}
+              </React.Fragment>
+            )
+          })}
+        </div>
+      ) : (
+        <div className="relative">
+          {rows.length === 0 ? null : (
+            <div className="relative mx-auto w-full max-w-[560px] overflow-visible">
+              {/* feste Höhe für den Stapel (damit die unteren Karten sichtbar “rausgucken”) */}
+              <div
+                className="relative overflow-visible"
+                style={{
+                  minHeight: stackExtraTopPx > 0 ? `${stackExtraTopPx}px` : undefined,
+                  paddingTop: `${stackExtraTopPx + stackTopGapPx}px`,
+                }}
+              >
+                {mobileVisibleStackRows
+                  .map((j, idx) => {
+                    const isTop = idx === 0
+                    const { k, busy, isHot, cardInner, inlineDomId } = renderCardItem(
+                      j,
+                      isTop
+                        ? {
+                            forceLoadStill: true,
+                            mobileStackTopOnlyVideo: true,
+                          }
+                        : {
+                            forceStill: true,
+                            disableInline: true,
+                            disablePreviewHover: true,
+                            isDecorative: true,
+                            forceLoadStill: true,
+                          }
+                    )
+                    const depth = idx // 0,1,2
+                    const y = -(depth * stackPeekOffsetPx) // nach OBEN staffeln
+                    const scale = 1 - depth * 0.03         // etwas stärkerer Tiefen-Effekt
+                    const opacity = 1 - depth * 0.14
 
-          const model = modelNameFromOutput(j.output)
-          const fileRaw = baseName(j.output || '')
-          const isHot = isHotName(fileRaw)
+                    // untere Karten nur Deko (keine Interaktion)
+                    if (!isTop) {
+                      return (
+                        <div
+                          key={k}
+                          className="absolute inset-x-0 top-0 pointer-events-none"
+                          style={{
+                            zIndex: 20 - depth,
+                            transform: `translateY(${y}px) scale(${scale}) translateZ(0)`,
+                            opacity,
+                            transformOrigin: 'top center',
+                          }}
+                          aria-hidden="true"
+                        >
+                          <div className="relative">
+                            {cardInner}
+                            {/* leichtes Frosting, damit klar ist: nur Vorschau */}
+                            <div className="absolute inset-0 rounded-lg bg-white/8 dark:bg-black/8" />
+                          </div>
+                        </div>
+                      )
+                    }
 
-          const flags = modelsByKey[lower(model)]
-          const isFav = Boolean(flags?.favorite)
-          const isLiked = flags?.liked === true
-          const isWatching = Boolean(flags?.watching)
-
-          const tags = parseTags(flags?.tags)
-
-          const dur = runtimeOf(j)
-          const size = formatBytes(sizeBytesOf(j))
-
-          const resObj = resolutionObjOf(j)
-          const resLabel = formatResolution(resObj)
-
-          const inlineDomId = `inline-prev-${encodeURIComponent(k)}`
-
-          // ✅ Shell an Gallery angelehnt
-          const shellCls = [
-            'group relative rounded-lg overflow-hidden outline-1 outline-black/5 dark:-outline-offset-1 dark:outline-white/10',
-            'bg-white dark:bg-gray-900/40',
-            'transition-all duration-200',
-            !isSmall && 'hover:-translate-y-0.5 hover:shadow-md dark:hover:shadow-none',
-            'focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600 dark:focus-visible:outline-indigo-500',
-            busy && 'pointer-events-none opacity-70',
-            deletingKeys.has(k) && 'ring-1 ring-red-300 bg-red-50/60 dark:bg-red-500/10 dark:ring-red-500/30',
-            keepingKeys.has(k) && 'ring-1 ring-emerald-300 bg-emerald-50/60 dark:bg-emerald-500/10 dark:ring-emerald-500/30',
-            removingKeys.has(k) && 'opacity-0 translate-y-2 scale-[0.98]',
-          ]
-            .filter(Boolean)
-            .join(' ')
-
-          const cardInner = (
-            <div
-              role="button"
-              tabIndex={0}
-              className={shellCls}
-              onClick={isSmall ? undefined : () => openPlayer(j)}
-              onKeyDown={(e) => {
-                if (e.key === 'Enter' || e.key === ' ') onOpenPlayer(j)
-              }}
-            >
-              {/* Card shell keeps backgrounds consistent */}
-              <Card noBodyPadding className="overflow-hidden bg-transparent">
-                {/* Preview */}
-                <div
-                  id={inlineDomId}
-                  ref={registerTeaserHost(k)}
-                  className="relative aspect-video rounded-t-lg bg-black/5 dark:bg-white/5"
-                  onMouseEnter={isSmall ? undefined : () => onHoverPreviewKeyChange?.(k)}
-                  onMouseLeave={isSmall ? undefined : () => onHoverPreviewKeyChange?.(null)}
-                  onClick={(e) => {
-                    e.preventDefault()
-                    e.stopPropagation()
-                    if (isSmall) return
-                    startInline(k)
-                  }}
-                >
-                  {/* media */}
-                  <div className="absolute inset-0">
-                    <FinishedVideoPreview
-                      job={j}
-                      getFileName={baseName}
-                      className="h-full w-full"
-                      showPopover={false}
-                      blur={isSmall ? false : inlineActive ? false : blurPreviews}
-                      animated={teaserPlayback === 'all' ? true : teaserPlayback === 'hover' ? teaserKey === k : false}
-                      animatedMode="teaser"
-                      animatedTrigger="always"
-                      inlineVideo={inlineActive ? 'always' : false}
-                      inlineNonce={inlineNonce}
-                      inlineControls={inlineActive}
-                      inlineLoop={false}
-                      muted={previewMuted}
-                      popoverMuted={previewMuted}
-                      assetNonce={assetNonce ?? 0}
-                    />
-                  </div>
-
-                  {/* Actions top-right (wie Gallery: je nach Größe ausblenden) */}
-                  <div className="absolute inset-x-2 top-2 z-10 flex justify-end" onClick={(e) => e.stopPropagation()}>
-                    <RecordJobActions
-                      job={j}
-                      variant="overlay"
-                      busy={busy}
-                      collapseToMenu
-                      isHot={isHot}
-                      isFavorite={isFav}
-                      isLiked={isLiked}
-                      isWatching={isWatching}
-                      onToggleWatch={onToggleWatch}
-                      onToggleFavorite={onToggleFavorite}
-                      onToggleLike={onToggleLike}
-                      onToggleHot={onToggleHot}
-                      onKeep={keepVideo}
-                      onDelete={deleteVideo}
-                      order={['watch', 'favorite', 'like', 'hot', 'keep', 'delete', 'details', 'add']}
-                      className="w-full justify-end gap-1"
-                    />
-                  </div>
-
-                  {/* Restart (wenn inline läuft) */}
-                  {!isSmall && inlinePlay?.key === k ? (
-                    <button
-                      type="button"
-                      className="absolute left-2 top-10 z-10 rounded-md bg-black/45 px-2 py-1 text-xs font-semibold text-white hover:bg-black/60"
-                      onClick={(e) => {
-                        e.preventDefault()
-                        e.stopPropagation()
-                        setInlinePlay((prev) => ({ key: k, nonce: prev?.key === k ? prev.nonce + 1 : 1 }))
-                      }}
-                      title="Von vorne starten"
-                      aria-label="Von vorne starten"
-                    >
-                      ↻
-                    </button>
-                  ) : null}
-
-                  {/* Bottom overlay (ohne Gradient) */}
-                  <div
-                    className="
-                      pointer-events-none absolute inset-x-0 bottom-0
-                      px-2 pb-2 pt-8 text-white
-                    "
-                  >
-                    <div className="flex items-center justify-end gap-2">
-                      <div className="shrink-0 flex items-center gap-1.5">
-                        <span className={metaChipCls}>{dur}</span>
-                        {resLabel ? (
-                          <span className={metaChipCls} title={resObj ? `${resObj.w}×${resObj.h}` : 'Auflösung'}>
-                            {resLabel}
-                          </span>
-                        ) : null}
-                        <span className={metaChipCls}>{size}</span>
+                    // oberste Karte: echte SwipeCard (wie bisher)
+                    return (
+                      <div
+                        key={k}
+                        className="absolute inset-x-0 top-0"
+                        style={{
+                          zIndex: 30,
+                          transform: `translateY(${y}px) scale(${scale})`,
+                          transformOrigin: 'top center',
+                        }}
+                      >
+                        <SwipeCard
+                          ref={(h) => {
+                            if (h) swipeRefs.current.set(k, h)
+                            else swipeRefs.current.delete(k)
+                          }}
+                          enabled
+                          disabled={busy}
+                          ignoreFromBottomPx={110}
+                          doubleTapMs={360}
+                          doubleTapMaxMovePx={48}
+                          onDoubleTap={async () => {
+                            if (isHot) return
+                            await onToggleHot?.(j)
+                          }}
+                          onTap={() => {
+                            startInline(k)
+                            requestAnimationFrame(() => {
+                              if (!tryAutoplayInline(inlineDomId)) requestAnimationFrame(() => tryAutoplayInline(inlineDomId))
+                            })
+                          }}
+                          onSwipeLeft={() => deleteVideo(j)}
+                          onSwipeRight={() => keepVideo(j)}
+                        >
+                          {cardInner}
+                        </SwipeCard>
                       </div>
-                    </div>
-                  </div>
-                </div>
+                    )
+                  })
+                  .reverse() /* zuerst hinten rendern, oben zuletzt */}
+              </div>
 
-                {/* Footer / Meta (wie Gallery strukturiert) */}
-                <div className="relative min-h-[92px] overflow-hidden px-4 py-3 border-t border-black/5 dark:border-white/10 bg-white dark:bg-gray-900">
-                  <div className="flex items-start justify-between gap-2">
-                    <div className="min-w-0">
-                      <div className="truncate text-sm font-semibold text-gray-900 dark:text-white">{model}</div>
+              {/* Hidden preloader: lädt für ALLE weiteren Mobile-Rows nur das Still-Preview */}
+              {mobileAllRows.length > mobileStackDepth ? (
+                <div className="sr-only" aria-hidden="true">
+                  {mobileAllRows.slice(mobileStackDepth).map((j) => {
+                    const k = keyFor(j)
 
-                      <div className="mt-0.5 flex items-center gap-2 min-w-0">
-                        {isHot ? (
-                          <span className="shrink-0 rounded bg-amber-500/15 px-1.5 py-0.5 text-[11px] font-semibold text-amber-800 dark:text-amber-300">
-                            HOT
-                          </span>
-                        ) : null}
+                    return (
+                      <div key={`preload-still-${k}`} className="relative aspect-video">
+                        <FinishedVideoPreview
+                          job={j}
+                          getFileName={baseName}
+                          className="h-full w-full"
+                          showPopover={false}
+                          blur={Boolean(blurPreviews)}
 
-                        <span className="min-w-0 truncate text-xs text-gray-500 dark:text-gray-400">
-                          {stripHotPrefix(fileRaw) || '—'}
-                        </span>
+                          // ✅ Nur Previewbild laden – kein Teaser-Video
+                          animated={false}
+                          animatedMode="teaser"
+                          animatedTrigger="always"
+                          inlineVideo={false}
+                          inlineControls={false}
+                          inlineLoop={false}
+                          muted={true}
+                          popoverMuted={true}
+
+                          assetNonce={assetNonce ?? 0}
+
+                          // ✅ Still immer laden
+                          alwaysLoadStill
+
+                          // ✅ Für Hidden-Preloader kein Teaser-Video vorladen
+                          teaserPreloadEnabled={false}
+                        />
                       </div>
-                    </div>
-
-                    <div className="shrink-0 flex items-center gap-1.5 pt-0.5">
-                      {isWatching ? <EyeSolidIcon className="size-4 text-sky-600 dark:text-sky-300" /> : null}
-                      {isLiked ? <HeartSolidIcon className="size-4 text-rose-600 dark:text-rose-300" /> : null}
-                      {isFav ? <StarSolidIcon className="size-4 text-amber-600 dark:text-amber-300" /> : null}
-                    </div>
-                  </div>
-
-                  {/* Tags */}
-                  <div className="mt-2" onClick={(e) => e.stopPropagation()} onMouseDown={(e) => e.stopPropagation()}>
-                    <TagOverflowRow
-                      rowKey={k}
-                      tags={tags}
-                      activeTagSet={activeTagSet}
-                      lower={lower}
-                      onToggleTagFilter={onToggleTagFilter}
-                    />
-                  </div>
+                    )
+                  })}
                 </div>
-              </Card>
+              ) : null}
+
+              {/* optionaler Hinweis */}
+              {rows.length > 1 ? (
+                <div className="mt-2 text-center text-xs text-gray-500 dark:text-gray-400">
+                  Wische nach links zum Löschen • nach rechts zum Behalten
+                </div>
+              ) : null}
             </div>
-          )
-
-          return isSmall ? (
-            <SwipeCard
-              ref={(h) => {
-                if (h) swipeRefs.current.set(k, h)
-                else swipeRefs.current.delete(k)
-              }}
-              key={k}
-              enabled
-              disabled={busy}
-              ignoreFromBottomPx={110}
-              doubleTapMs={360}
-              doubleTapMaxMovePx={48}
-              onDoubleTap={async () => {
-                if (isHot) return
-                await onToggleHot?.(j)
-              }}
-              onTap={() => {
-                const domId = `inline-prev-${encodeURIComponent(k)}`
-                startInline(k)
-                requestAnimationFrame(() => {
-                  if (!tryAutoplayInline(domId)) requestAnimationFrame(() => tryAutoplayInline(domId))
-                })
-              }}
-              onSwipeLeft={() => deleteVideo(j)}
-              onSwipeRight={() => keepVideo(j)}
-            >
-              {cardInner}
-            </SwipeCard>
-          ) : (
-            <React.Fragment key={k}>{cardInner}</React.Fragment>
-          )
-        })}
-      </div>
+          )}
+        </div>
+      )}
 
       {isLoading && rows.length === 0 ? (
         <div className="absolute inset-0 z-20 grid place-items-center rounded-lg bg-white/50 backdrop-blur-[2px] dark:bg-gray-950/40">

frontend/src/components/ui/FinishedDownloadsGalleryView.tsx

@@ -13,6 +13,22 @@ import RecordJobActions from './RecordJobActions'
 import TagOverflowRow from './TagOverflowRow'
 import { isHotName, stripHotPrefix } from './hotName'
 import { formatResolution } from './formatters'
+import GalleryPreviewScrubber from './GalleryPreviewScrubber'
+
+type ModelFlags = {
+  favorite?: boolean
+  liked?: boolean | null
+  watching?: boolean | null
+  tags?: string
+
+  // ✅ Optional für Model-Hover-Preview
+  image?: string
+  imageUrl?: string | null
+
+  // ✅ Optional für stashapp-artigen Preview-Scrubber
+  previewScrubberPath?: string
+  previewScrubberCount?: number
+}
 
 type Props = {
   rows: RecordJob[]
@@ -46,7 +62,7 @@ type Props = {
 
   lower: (s: string) => string
 
-  modelsByKey: Record<string, { favorite?: boolean; liked?: boolean | null; watching?: boolean | null; tags?: string }>
+  modelsByKey: Record<string, ModelFlags>
   activeTagSet: Set<string>
   onHoverPreviewKeyChange?: (key: string | null) => void
   onToggleTagFilter: (tag: string) => void
@@ -56,6 +72,41 @@ type Props = {
   onToggleHot: (job: RecordJob) => void | Promise<void>
 }
 
+function firstNonEmptyString(...values: unknown[]): string | undefined {
+  for (const v of values) {
+    if (typeof v === 'string') {
+      const s = v.trim()
+      if (s) return s
+    }
+  }
+  return undefined
+}
+
+function parseJobMeta(metaRaw: unknown): any | null {
+  if (!metaRaw) return null
+  if (typeof metaRaw === 'string') {
+    try {
+      return JSON.parse(metaRaw)
+    } catch {
+      return null
+    }
+  }
+  if (typeof metaRaw === 'object') return metaRaw
+  return null
+}
+
+function normalizeDurationSeconds(value: unknown): number | undefined {
+  if (typeof value !== 'number' || !Number.isFinite(value) || value <= 0) return undefined
+  // ms -> s Heuristik wie in FinishedVideoPreview
+  return value > 24 * 60 * 60 ? value / 1000 : value
+}
+
+function clamp(n: number, min: number, max: number) {
+  return Math.max(min, Math.min(max, n))
+}
+
+const DEFAULT_SPRITE_STEP_SECONDS = 5
+
 export default function FinishedDownloadsGalleryView({
   rows,
   isLoading,
@@ -65,8 +116,8 @@ export default function FinishedDownloadsGalleryView({
   teaserAudio,
   hoverTeaserKey,
   teaserKey,
-  handleDuration,
 
+  handleDuration,
   keyFor,
   baseName,
   modelNameFromOutput,
@@ -94,7 +145,6 @@ export default function FinishedDownloadsGalleryView({
   onToggleLike,
   onToggleWatch,
 }: Props) {
-
   // ✅ Teaser-Observer nur aktiv, wenn Preview überhaupt "laufen" soll
   const shouldObserveTeasers = teaserPlayback === 'hover' || teaserPlayback === 'all'
 
@@ -132,179 +182,422 @@ export default function FinishedDownloadsGalleryView({
   // ✅ Auflösung als {w,h} aus meta.json bevorzugen
   const resolutionObjOf = React.useCallback((j: RecordJob): { w: number; h: number } | null => {
     const w =
-      (typeof j.meta?.videoWidth === 'number' && Number.isFinite(j.meta.videoWidth) ? j.meta.videoWidth : 0) ||
-      (typeof j.videoWidth === 'number' && Number.isFinite(j.videoWidth) ? j.videoWidth : 0)
+      (typeof (j as any)?.meta?.videoWidth === 'number' && Number.isFinite((j as any).meta.videoWidth)
+        ? (j as any).meta.videoWidth
+        : 0) ||
+      (typeof (j as any)?.videoWidth === 'number' && Number.isFinite((j as any).videoWidth)
+        ? (j as any).videoWidth
+        : 0)
     const h =
-      (typeof j.meta?.videoHeight === 'number' && Number.isFinite(j.meta.videoHeight) ? j.meta.videoHeight : 0) ||
-      (typeof j.videoHeight === 'number' && Number.isFinite(j.videoHeight) ? j.videoHeight : 0)
+      (typeof (j as any)?.meta?.videoHeight === 'number' && Number.isFinite((j as any).meta.videoHeight)
+        ? (j as any).meta.videoHeight
+        : 0) ||
+      (typeof (j as any)?.videoHeight === 'number' && Number.isFinite((j as any).videoHeight)
+        ? (j as any).videoHeight
+        : 0)
 
     if (w > 0 && h > 0) return { w, h }
     return null
   }, [])
 
+  // ✅ Modelbild-Preview (wird beim Hover auf Modelnamen im Thumb eingeblendet)
+  const [hoveredModelPreviewKey, setHoveredModelPreviewKey] = React.useState<string | null>(null)
+
+  // ✅ stashapp-artiger Hover-Scrubber-Zustand (pro Karte)
+  const [scrubIndexByKey, setScrubIndexByKey] = React.useState<Record<string, number | undefined>>({})
+
+  const setScrubIndexForKey = React.useCallback((key: string, index: number | undefined) => {
+    setScrubIndexByKey((prev) => {
+      if (index === undefined) {
+        if (!(key in prev)) return prev
+        const next = { ...prev }
+        delete next[key]
+        return next
+      }
+
+      if (prev[key] === index) return prev
+      return { ...prev, [key]: index }
+    })
+  }, [])
+
+  const clearScrubIndex = React.useCallback((key: string) => {
+    setScrubIndexForKey(key, undefined)
+  }, [setScrubIndexForKey])
+
   return (
     <div className="relative">
       <div className="grid grid-cols-2 gap-3 sm:grid-cols-3 lg:grid-cols-4">
-          {rows.map((j) => {
-            const k = keyFor(j)
+        {rows.map((j) => {
+          const k = keyFor(j)
 
-            // Sound nur bei Hover auf genau diesem Teaser
-            const allowSound = Boolean(teaserAudio) && hoverTeaserKey === k
-            const previewMuted = !allowSound
+          // Sound nur bei Hover auf genau diesem Teaser
+          const allowSound = Boolean(teaserAudio) && hoverTeaserKey === k
+          const previewMuted = !allowSound
 
-            const model = modelNameFromOutput(j.output)
-            const modelKey = lower(model)
-            const flags = modelsByKey[modelKey]
-            const isFav = Boolean(flags?.favorite)
-            const isLiked = flags?.liked === true
-            const isWatching = Boolean(flags?.watching)
+          const model = modelNameFromOutput(j.output)
+          const modelKey = lower(model)
+          const flags = modelsByKey[modelKey]
+          const isFav = Boolean(flags?.favorite)
+          const isLiked = flags?.liked === true
+          const isWatching = Boolean(flags?.watching)
 
-            const tags = parseTags(flags?.tags)
+          const tags = parseTags(flags?.tags)
 
-            const fileRaw = baseName(j.output || '')
-            const isHot = isHotName(fileRaw)
-            const file = stripHotPrefix(fileRaw)
+          const fileRaw = baseName(j.output || '')
+          const isHot = isHotName(fileRaw)
+          const file = stripHotPrefix(fileRaw)
 
-            const dur = runtimeOf(j)
-            const size = formatBytes(sizeBytesOf(j))
+          const dur = runtimeOf(j)
+          const size = formatBytes(sizeBytesOf(j))
 
-            const resObj = resolutionObjOf(j)
-            const resLabel = formatResolution(resObj)
+          const resObj = resolutionObjOf(j)
+          const resLabel = formatResolution(resObj)
 
-            const busy = deletingKeys.has(k) || keepingKeys.has(k) || removingKeys.has(k)
-            const deleted = deletedKeys.has(k)
+          const busy = deletingKeys.has(k) || keepingKeys.has(k) || removingKeys.has(k)
+          const deleted = deletedKeys.has(k)
 
-            return (
+          // ✅ Modelbild-Mapping (anpassen, falls deine API andere Feldnamen hat)
+          const modelImageSrc = firstNonEmptyString(
+            flags?.image,
+            flags?.imageUrl,
+            (j as any)?.meta?.modelImage,
+            (j as any)?.meta?.modelImageUrl
+          )
+
+          // Preview-ID wie in FinishedVideoPreview ableiten (HOT entfernen + ext entfernen)
+          const fileForPreviewId = stripHotPrefix(baseName(j.output || ''))
+          const previewId = fileForPreviewId.replace(/\.[^.]+$/, '').trim()
+
+          // meta robust lesen (Objekt oder JSON-String)
+          const meta = parseJobMeta((j as any)?.meta)
+
+          // ------------------------------------------------------------
+          // ✅ STASHAPP-LIKE: Sprite-Preview (1 Bild + CSS background-position)
+          // Erwartet z.B. meta.previewSprite = { path, count, cols, rows, stepSeconds }
+          // ------------------------------------------------------------
+          const spritePathRaw = firstNonEmptyString(
+            meta?.previewSprite?.path,
+            // optional weitere Fallback-Felder, falls du sie so speicherst:
+            (meta as any)?.previewSpritePath,
+            // optional API-Fallback-Path (nur sinnvoll, wenn Backend existiert)
+            previewId ? `/api/preview-sprite/${encodeURIComponent(previewId)}` : undefined
+          )
+          const spritePath = spritePathRaw ? spritePathRaw.replace(/\/+$/, '') : undefined
+
+          const spriteCountRaw = meta?.previewSprite?.count ?? (meta as any)?.previewSpriteCount
+          const spriteColsRaw = meta?.previewSprite?.cols ?? (meta as any)?.previewSpriteCols
+          const spriteRowsRaw = meta?.previewSprite?.rows ?? (meta as any)?.previewSpriteRows
+          const spriteStepSecondsRaw = meta?.previewSprite?.stepSeconds ?? (meta as any)?.previewSpriteStepSeconds
+
+          const spriteCount =
+            typeof spriteCountRaw === 'number' && Number.isFinite(spriteCountRaw)
+              ? Math.max(0, Math.floor(spriteCountRaw))
+              : 0
+
+          const spriteCols =
+            typeof spriteColsRaw === 'number' && Number.isFinite(spriteColsRaw)
+              ? Math.max(0, Math.floor(spriteColsRaw))
+              : 0
+
+          const spriteRows =
+            typeof spriteRowsRaw === 'number' && Number.isFinite(spriteRowsRaw)
+              ? Math.max(0, Math.floor(spriteRowsRaw))
+              : 0
+
+          const spriteStepSeconds =
+            typeof spriteStepSecondsRaw === 'number' &&
+            Number.isFinite(spriteStepSecondsRaw) &&
+            spriteStepSecondsRaw > 0
+              ? spriteStepSecondsRaw
+              : DEFAULT_SPRITE_STEP_SECONDS
+
+          // Optionaler Cache-Buster (wenn du sowas in meta hast)
+          const spriteVersion =
+            (typeof meta?.updatedAtUnix === 'number' && Number.isFinite(meta.updatedAtUnix)
+              ? meta.updatedAtUnix
+              : undefined) ??
+            (typeof (meta as any)?.fileModUnix === 'number' && Number.isFinite((meta as any).fileModUnix)
+              ? (meta as any).fileModUnix
+              : undefined) ??
+            0
+
+          const spriteUrl =
+            spritePath && spriteVersion
+              ? `${spritePath}?v=${encodeURIComponent(String(spriteVersion))}`
+              : spritePath || undefined
+
+          const hasSpriteScrubber =
+            Boolean(spriteUrl) &&
+            spriteCount > 1 &&
+            spriteCols > 0 &&
+            spriteRows > 0
+
+          // Finales Scrubber-Setup (NUR Sprite)
+          const scrubberCount = hasSpriteScrubber ? spriteCount : 0
+          const scrubberStepSeconds = hasSpriteScrubber ? spriteStepSeconds : 0
+          const hasScrubber = hasSpriteScrubber
+
+          const activeScrubIndex = scrubIndexByKey[k]
+
+          // Sprite-Overlay-Frame (kein Request pro Move)
+          const spriteFrameStyle: React.CSSProperties | undefined =
+            hasSpriteScrubber && typeof activeScrubIndex === 'number'
+              ? (() => {
+                  const idx = clamp(activeScrubIndex, 0, Math.max(0, spriteCount - 1))
+                  const col = idx % spriteCols
+                  const row = Math.floor(idx / spriteCols)
+
+                  const posX = spriteCols <= 1 ? 0 : (col / (spriteCols - 1)) * 100
+                  const posY = spriteRows <= 1 ? 0 : (row / (spriteRows - 1)) * 100
+
+                  return {
+                    backgroundImage: `url("${spriteUrl}")`,
+                    backgroundRepeat: 'no-repeat',
+                    backgroundSize: `${spriteCols * 100}% ${spriteRows * 100}%`,
+                    backgroundPosition: `${posX}% ${posY}%`,
+                  }
+                })()
+              : undefined
+
+          const showModelPreviewInThumb = hoveredModelPreviewKey === k && Boolean(modelImageSrc)
+          const showScrubberSpriteInThumb = !showModelPreviewInThumb && Boolean(spriteFrameStyle)
+
+          const hideTeaserUnderOverlay =
+            showModelPreviewInThumb || showScrubberSpriteInThumb
+
+          return (
+            <div
+              key={k}
+              role="button"
+              tabIndex={0}
+              className={[
+                'group relative rounded-lg overflow-hidden outline-1 outline-black/5 dark:-outline-offset-1 dark:outline-white/10',
+                'bg-white dark:bg-gray-900/40',
+                'transition-all duration-200',
+                'hover:-translate-y-0.5 hover:shadow-md dark:hover:shadow-none',
+                'focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600 dark:focus-visible:outline-indigo-500',
+                busy && 'pointer-events-none opacity-70',
+                deletingKeys.has(k) &&
+                  'ring-1 ring-red-300 bg-red-50/60 dark:bg-red-500/10 dark:ring-red-500/30',
+                removingKeys.has(k) && 'opacity-0 translate-y-2 scale-[0.98]',
+                deleted && 'hidden',
+              ]
+                .filter(Boolean)
+                .join(' ')}
+              onClick={() => onOpenPlayer(j)}
+              onKeyDown={(e) => {
+                if (e.key === 'Enter' || e.key === ' ') onOpenPlayer(j)
+              }}
+            >
+              {/* Thumb */}
               <div
-                key={k}
-                role="button"
-                tabIndex={0}
-                className={[
-                  'group relative rounded-lg overflow-hidden outline-1 outline-black/5 dark:-outline-offset-1 dark:outline-white/10',
-                  'bg-white dark:bg-gray-900/40',
-                  'transition-all duration-200',
-                  'hover:-translate-y-0.5 hover:shadow-md dark:hover:shadow-none',
-                  'focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-indigo-600 dark:focus-visible:outline-indigo-500',
-                  busy && 'pointer-events-none opacity-70',
-                  deletingKeys.has(k) && 'ring-1 ring-red-300 bg-red-50/60 dark:bg-red-500/10 dark:ring-red-500/30',
-                  removingKeys.has(k) && 'opacity-0 translate-y-2 scale-[0.98]',
-                  deleted && 'hidden',
-                ]
-                  .filter(Boolean)
-                  .join(' ')}
-                onClick={() => onOpenPlayer(j)}
-                onKeyDown={(e) => {
-                  if (e.key === 'Enter' || e.key === ' ') onOpenPlayer(j)
+                className="group relative aspect-video rounded-t-lg bg-black/5 dark:bg-white/5"
+                ref={registerTeaserHostIfNeeded(k)}
+                onMouseEnter={() => onHoverPreviewKeyChange?.(k)}
+                onMouseLeave={() => {
+                  onHoverPreviewKeyChange?.(null)
+                  clearScrubIndex(k)
+                  setHoveredModelPreviewKey((prev) => (prev === k ? null : prev))
                 }}
               >
-                {/* Thumb */}
-                <div
-                  className="group relative aspect-video rounded-t-lg bg-black/5 dark:bg-white/5"
-                  ref={registerTeaserHostIfNeeded(k)}
-                  onMouseEnter={() => onHoverPreviewKeyChange?.(k)}
-                  onMouseLeave={() => onHoverPreviewKeyChange?.(null)}
-                >
-                  {/* ✅ Clip nur Media + Bottom-Overlays (nicht das Menü) */}
-                  <div className="absolute inset-0 overflow-hidden rounded-t-lg">
-                    <div className="absolute inset-0">
-                      <FinishedVideoPreview
-                        job={j}
-                        getFileName={(p) => stripHotPrefix(baseName(p))}
-                        durationSeconds={durations[k] ?? (j as any)?.durationSeconds}
-                        onDuration={handleDuration}
-                        variant="fill"
-                        showPopover={false}
-                        blur={blurPreviews}
-                        animated={teaserPlayback === 'all' ? true : teaserPlayback === 'hover' ? teaserKey === k : false}
-                        animatedMode="teaser"
-                        animatedTrigger="always"
-                        clipSeconds={1}
-                        thumbSamples={18}
-                        muted={previewMuted}
-                        popoverMuted={previewMuted}
+                {/* ✅ Clip nur Media + Bottom-Overlays (nicht das Menü) */}
+                <div className="absolute inset-0 overflow-hidden rounded-t-lg">
+                  <div className="absolute inset-0">
+                    <FinishedVideoPreview
+                      job={j}
+                      getFileName={(p) => stripHotPrefix(baseName(p))}
+                      durationSeconds={durations[k] ?? (j as any)?.durationSeconds}
+                      onDuration={handleDuration}
+                      variant="fill"
+                      showPopover={false}
+                      blur={blurPreviews}
+                      animated={
+                        hideTeaserUnderOverlay
+                          ? false
+                          : teaserPlayback === 'all'
+                          ? true
+                          : teaserPlayback === 'hover'
+                          ? teaserKey === k
+                          : false
+                      }
+                      animatedMode="teaser"
+                      animatedTrigger="always"
+                      clipSeconds={1}
+                      thumbSamples={18}
+                      muted={previewMuted}
+                      popoverMuted={previewMuted}
+                    />
+                  </div>
+
+                  {/* ✅ Sprite vorladen (einmal), damit erster Scrub-Move sofort sichtbar ist */}
+                  {hasSpriteScrubber && spriteUrl ? (
+                    <img
+                      src={spriteUrl}
+                      alt=""
+                      className="hidden"
+                      loading="lazy"
+                      decoding="async"
+                      aria-hidden="true"
+                    />
+                  ) : null}
+
+                  {/* ✅ Scrubber-Frame Overlay (Sprite-first = stashapp-like, kein Request pro Move) */}
+                  {showScrubberSpriteInThumb && spriteFrameStyle ? (
+                    <div className="absolute inset-0 z-[5]">
+                      <div
+                        className="h-full w-full"
+                        style={spriteFrameStyle}
+                        aria-hidden="true"
                       />
                     </div>
+                  ) : null}
 
-                    {/* Bottom overlay meta */}
-                    <div className="pointer-events-none absolute inset-x-0 bottom-0 p-2 text-white">
-                      <div className="flex items-end justify-end gap-2">
-                        {/* Right bottom: Duration + Resolution(label) + Size */}
-                        <div className="shrink-0 flex items-center gap-1.5">
-                          <span className="rounded bg-black/40 px-1.5 py-0.5 text-xs font-medium">{dur}</span>
-
-                          {resLabel ? (
-                            <span
-                              className="rounded bg-black/40 px-1.5 py-0.5 text-xs font-medium"
-                              title={resObj ? `${resObj.w}×${resObj.h}` : 'Auflösung'}
-                            >
-                              {resLabel}
-                            </span>
-                          ) : null}
-
-                          <span className="rounded bg-black/40 px-1.5 py-0.5 text-xs font-medium">{size}</span>
+                  {/* ✅ Modelbild-Preview Overlay (hover auf Modelname) */}
+                  {showModelPreviewInThumb && modelImageSrc ? (
+                    <div className="absolute inset-0 z-[6]">
+                      <img
+                        src={modelImageSrc}
+                        alt={model ? `${model} preview` : 'Model preview'}
+                        className="h-full w-full object-cover"
+                        draggable={false}
+                      />
+                      <div className="pointer-events-none absolute inset-x-0 bottom-0 bg-gradient-to-t from-black/65 to-transparent px-2 py-1.5">
+                        <div className="text-[10px] font-semibold tracking-wide text-white/95">
+                          MODEL PREVIEW
                         </div>
                       </div>
                     </div>
-                  </div>
+                  ) : null}
 
-                  {/* Actions (top-right) */}
-                  <div className="absolute inset-x-2 top-2 z-10 flex justify-end" onClick={(e) => e.stopPropagation()}>
-                    <RecordJobActions
-                      job={j}
-                      variant="overlay"
-                      busy={busy}
-                      collapseToMenu
-                      isHot={isHot}
-                      isFavorite={isFav}
-                      isLiked={isLiked}
-                      isWatching={isWatching}
-                      onToggleWatch={onToggleWatch}
-                      onToggleFavorite={onToggleFavorite}
-                      onToggleLike={onToggleLike}
-                      onToggleHot={onToggleHot}
-                      onKeep={keepVideo}
-                      onDelete={deleteVideo}
-                      order={['watch', 'favorite', 'like', 'hot', 'keep', 'delete', 'details', 'add']}
-                      className="w-full justify-end gap-1"
-                    />
-                  </div>
-                </div>
-
-                {/* Footer / Meta */}
-                <div className="relative min-h-[92px] overflow-hidden px-4 py-3 rounded-b-lg border-t border-gray-200/60 dark:border-white/10 bg-white dark:bg-gray-900">
-                  <div className="flex items-center justify-between gap-2">
-                    <div className="min-w-0 truncate text-sm font-semibold text-gray-900 dark:text-white">{model}</div>
-                    <div className="shrink-0 flex items-center gap-1.5">
-                      {isWatching ? <EyeSolidIcon className="size-4 text-sky-600 dark:text-sky-300" /> : null}
-                      {isLiked ? <HeartSolidIcon className="size-4 text-rose-600 dark:text-rose-300" /> : null}
-                      {isFav ? <StarSolidIcon className="size-4 text-amber-600 dark:text-amber-300" /> : null}
+                  {/* ✅ stashapp-artiger Hover-Scrubber (UI-only) */}
+                  {hasScrubber ? (
+                    <div className="absolute inset-x-0 bottom-0 z-30 pointer-events-none opacity-0 transition-opacity duration-150 group-hover:opacity-100 group-focus-within:opacity-100">
+                      <GalleryPreviewScrubber
+                        className="pointer-events-auto px-1"
+                        imageCount={scrubberCount}
+                        activeIndex={activeScrubIndex}
+                        onActiveIndexChange={(idx) => setScrubIndexForKey(k, idx)}
+                        stepSeconds={scrubberStepSeconds}
+                      />
                     </div>
-                  </div>
+                  ) : null}
 
-                  <div className="mt-0.5 flex items-center gap-2 min-w-0 text-xs text-gray-500 dark:text-gray-400">
-                    <span className="truncate">{stripHotPrefix(file) || '—'}</span>
-
-                    {isHot ? (
-                      <span className="shrink-0 rounded bg-amber-500/15 px-1.5 py-0.5 text-[11px] font-semibold text-amber-800 dark:text-amber-300">
-                        HOT
-                      </span>
-                    ) : null}
-                  </div>
-                  
-                  {/* Tags */}
-                  <div className="mt-2" onClick={(e) => e.stopPropagation()} onMouseDown={(e) => e.stopPropagation()}>
-                    <TagOverflowRow
-                      rowKey={k}
-                      tags={tags}
-                      activeTagSet={activeTagSet}
-                      lower={lower}
-                      onToggleTagFilter={onToggleTagFilter}
-                    />
+                  {/* Meta-Overlay im Video: unten rechts */}
+                  <div className="pointer-events-none absolute right-2 bottom-2 z-10 transition-opacity duration-150 group-hover:opacity-0 group-focus-within:opacity-0">
+                    <div
+                      className="flex items-center gap-1.5 text-right text-[11px] font-semibold leading-none text-white [text-shadow:_0_1px_0_rgba(0,0,0,0.95),_1px_0_0_rgba(0,0,0,0.95),_-1px_0_0_rgba(0,0,0,0.95),_0_-1px_0_rgba(0,0,0,0.95),_1px_1px_0_rgba(0,0,0,0.8),_-1px_1px_0_rgba(0,0,0,0.8),_1px_-1px_0_rgba(0,0,0,0.8),_-1px_-1px_0_rgba(0,0,0,0.8)]"
+                      title={[dur, resObj ? `${resObj.w}×${resObj.h}` : resLabel || '', size]
+                        .filter(Boolean)
+                        .join(' • ')}
+                    >
+                      <span>{dur}</span>
+                      {resLabel ? <span aria-hidden="true">•</span> : null}
+                      {resLabel ? <span>{resLabel}</span> : null}
+                      <span aria-hidden="true">•</span>
+                      <span>{size}</span>
+                    </div>
                   </div>
                 </div>
               </div>
-            )
-          })}
+
+              {/* Footer / Meta */}
+              <div className="relative min-h-[118px] px-4 py-3 rounded-b-lg border-t border-black/5 dark:border-white/10 bg-white dark:bg-gray-900">
+                {/* ✅ stashapp-like: Dateiname zuerst */}
+                <div className="min-w-0">
+                  <div className="mt-0.5 flex items-start gap-2 min-w-0">
+                    {isHot ? (
+                      <span className="shrink-0 self-start rounded bg-amber-500/15 px-1.5 py-0.5 text-[11px] leading-none font-semibold text-amber-800 dark:text-amber-300">
+                        HOT
+                      </span>
+                    ) : null}
+
+                    <span
+                      className="min-w-0 truncate text-sm font-semibold text-gray-900 dark:text-white"
+                      title={stripHotPrefix(file) || '—'}
+                    >
+                      {stripHotPrefix(file) || '—'}
+                    </span>
+                  </div>
+                </div>
+
+                {/* ✅ Model darunter + Hover-Preview Trigger */}
+                <div className="mt-1 flex items-center justify-between gap-2">
+                  <div className="min-w-0">
+                    <span
+                      className={[
+                        'block truncate text-xs text-gray-500 dark:text-gray-400',
+                        modelImageSrc ? 'cursor-zoom-in hover:text-gray-700 dark:hover:text-gray-200' : '',
+                      ]
+                        .filter(Boolean)
+                        .join(' ')}
+                      title={modelImageSrc ? `${model} (Hover: Model-Preview)` : model}
+                      onMouseEnter={(e) => {
+                        e.stopPropagation()
+                        if (modelImageSrc) setHoveredModelPreviewKey(k)
+                      }}
+                      onMouseLeave={(e) => {
+                        e.stopPropagation()
+                        setHoveredModelPreviewKey((prev) => (prev === k ? null : prev))
+                      }}
+                      onMouseDown={(e) => e.stopPropagation()}
+                      onClick={(e) => e.stopPropagation()}
+                    >
+                      {model || '—'}
+                    </span>
+                  </div>
+
+                  <div className="shrink-0 flex items-center gap-1.5">
+                    {isWatching ? <EyeSolidIcon className="size-4 text-sky-600 dark:text-sky-300" /> : null}
+                    {isLiked ? <HeartSolidIcon className="size-4 text-rose-600 dark:text-rose-300" /> : null}
+                    {isFav ? <StarSolidIcon className="size-4 text-amber-600 dark:text-amber-300" /> : null}
+                  </div>
+                </div>
+
+                {/* Actions (wie CardView: im Footer statt im Video) */}
+                <div
+                  className="mt-2"
+                  onClick={(e) => e.stopPropagation()}
+                  onMouseDown={(e) => e.stopPropagation()}
+                >
+                  <div className="w-full">
+                    <div className="w-full rounded-md bg-gray-50/70 p-1 ring-1 ring-black/5 dark:bg-white/5 dark:ring-white/10">
+                      <RecordJobActions
+                        job={j}
+                        variant="table"
+                        busy={busy}
+                        collapseToMenu
+                        compact={true}
+                        isHot={isHot}
+                        isFavorite={isFav}
+                        isLiked={isLiked}
+                        isWatching={isWatching}
+                        onToggleWatch={onToggleWatch}
+                        onToggleFavorite={onToggleFavorite}
+                        onToggleLike={onToggleLike}
+                        onToggleHot={onToggleHot}
+                        onKeep={keepVideo}
+                        onDelete={deleteVideo}
+                        order={['watch', 'favorite', 'like', 'hot', 'keep', 'delete', 'details', 'add']}
+                        className="w-full gap-1.5"
+                      />
+                    </div>
+                  </div>
+                </div>
+
+                {/* Tags */}
+                <div className="mt-2" onClick={(e) => e.stopPropagation()} onMouseDown={(e) => e.stopPropagation()}>
+                  <TagOverflowRow
+                    rowKey={k}
+                    tags={tags}
+                    activeTagSet={activeTagSet}
+                    lower={lower}
+                    onToggleTagFilter={onToggleTagFilter}
+                  />
+                </div>
+              </div>
+            </div>
+          )
+        })}
       </div>
 
       {isLoading && rows.length === 0 ? (
@@ -317,4 +610,4 @@ export default function FinishedDownloadsGalleryView({
       ) : null}
     </div>
   )
-}
+}

frontend/src/components/ui/FinishedVideoPreview.tsx

@@ -66,6 +66,15 @@ export type FinishedVideoPreviewProps = {
   popoverMuted?: boolean
 
   noGenerateTeaser?: boolean
+
+  /** Still-Preview (Bild) unabhängig vom inView-Gating laden */
+  alwaysLoadStill?: boolean
+
+  /** Teaser-Datei vorladen, bevor das Element wirklich im Viewport ist */
+  teaserPreloadEnabled?: boolean
+
+  /** Vorlade-Zone für Teaser (IntersectionObserver rootMargin) */
+  teaserPreloadRootMargin?: string
 }
 
 export default function FinishedVideoPreview({
@@ -101,6 +110,9 @@ export default function FinishedVideoPreview({
   muted = DEFAULT_INLINE_MUTED,
   popoverMuted = DEFAULT_INLINE_MUTED,
   noGenerateTeaser,
+  alwaysLoadStill = false,
+  teaserPreloadEnabled = false,
+  teaserPreloadRootMargin = '700px 0px',
 }: FinishedVideoPreviewProps) {
   const file = getFileName(job.output || '')
   const blurCls = blur ? 'blur-md' : ''
@@ -275,9 +287,10 @@ export default function FinishedVideoPreview({
   // inView (Viewport)
   const rootRef = useRef<HTMLDivElement | null>(null)
   const [inView, setInView] = useState(false)
+  const [nearView, setNearView] = useState(false)
 
   // ✅ sobald einmal im Viewport gewesen -> true (damit wir danach nicht wieder entladen)
-  const [, setEverInView] = useState(false)
+  const [everInView, setEverInView] = useState(false)
 
   // Tick nur für frames-Mode
   const [localTick, setLocalTick] = useState(0)
@@ -301,48 +314,6 @@ export default function FinishedVideoPreview({
     return stripHot(base).trim()
   }, [job.output, getFileName])
 
-  // ✅ meta fallback fetch: nur wenn previewClips fehlen (für teaser-sprünge)
-  useEffect(() => {
-    if (!previewId) return
-    if (!animated || animatedMode !== 'teaser') return
-    if (!(inView || (wantsHover && hovered))) return
-
-    const pcs = (meta as any)?.previewClips
-    const hasPcs =
-      Array.isArray(pcs) || (typeof pcs === 'string' && pcs.length > 0) || Array.isArray((meta as any)?.preview?.clips)
-
-    if (hasPcs) return
-
-    let aborted = false
-    const ctrl = new AbortController()
-
-    const tryFetch = async (url: string) => {
-      try {
-        const res = await fetch(url, {
-          signal: ctrl.signal,
-          cache: 'no-store',
-          credentials: 'include',
-        })
-        if (!res.ok) return null
-        return await res.json()
-      } catch {
-        return null
-      }
-    }
-
-    ;(async () => {
-      const byId = await tryFetch(`/api/record/done/meta?id=${encodeURIComponent(previewId)}`)
-      const byFile = file ? await tryFetch(`/api/record/done/meta?file=${encodeURIComponent(file)}`) : null
-      const j = byId ?? byFile
-      if (!aborted && j) setFetchedMeta(j)
-    })()
-
-    return () => {
-      aborted = true
-      ctrl.abort()
-    }
-  }, [previewId, file, animated, animatedMode, meta, inView, wantsHover, hovered])
-
   // Vollvideo (für Inline-Playback + Fallback-Metadaten via loadedmetadata)
   const videoSrc = useMemo(() => (file ? `/api/record/video?file=${encodeURIComponent(file)}` : ''), [file])
 
@@ -470,7 +441,7 @@ export default function FinishedVideoPreview({
     }
   }, [file])
 
-  // --- IntersectionObserver: nur Teaser/Inline spielen wenn sichtbar
+  // --- IntersectionObserver: echtes inView (für Playback)
   useEffect(() => {
     const el = rootRef.current
     if (!el) return
@@ -483,7 +454,7 @@ export default function FinishedVideoPreview({
       },
       {
         threshold: 0.01,
-        rootMargin: '120px 0px', // oder '0px' wenn du’s hart willst
+        rootMargin: '0px',
       }
     )
 
@@ -491,6 +462,40 @@ export default function FinishedVideoPreview({
     return () => obs.disconnect()
   }, [])
 
+  // --- IntersectionObserver: nearView (für Teaser-Preload / Vorwärmen)
+  useEffect(() => {
+    const el = rootRef.current
+    if (!el) return
+
+    // Falls Preload deaktiviert ist: nearView folgt inView
+    if (!teaserPreloadEnabled) {
+      setNearView(inView)
+      return
+    }
+
+    let armed = true
+    const obs = new IntersectionObserver(
+      (entries) => {
+        const hit = Boolean(entries[0]?.isIntersecting)
+        if (hit) {
+          setNearView(true)
+          // einmal "armed" reicht (wir wollen nicht wieder entladen)
+          if (armed) {
+            armed = false
+            obs.disconnect()
+          }
+        }
+      },
+      {
+        threshold: 0,
+        rootMargin: teaserPreloadRootMargin,
+      }
+    )
+
+    obs.observe(el)
+    return () => obs.disconnect()
+  }, [teaserPreloadEnabled, teaserPreloadRootMargin, inView])
+
   // --- Tick für "frames"
   useEffect(() => {
     if (!animated) return
@@ -528,8 +533,8 @@ export default function FinishedVideoPreview({
 
   const thumbSrc = useMemo(() => {
     if (!previewId) return ''
-    if (thumbTimeSec == null) return `/api/record/preview?id=${encodeURIComponent(previewId)}&v=${v}`
-    return `/api/record/preview?id=${encodeURIComponent(previewId)}&t=${thumbTimeSec}&v=${v}`
+    if (thumbTimeSec == null) return `/api/preview?id=${encodeURIComponent(previewId)}&v=${v}`
+    return `/api/preview?id=${encodeURIComponent(previewId)}&t=${thumbTimeSec}&v=${v}`
   }, [previewId, thumbTimeSec, v])
 
   const teaserSrc = useMemo(() => {
@@ -538,6 +543,30 @@ export default function FinishedVideoPreview({
     return `/api/generated/teaser?id=${encodeURIComponent(previewId)}${noGen}&v=${v}`
   }, [previewId, v, noGenerateTeaser])
 
+  
+
+  // --- Inline Video sichtbar?
+  const showingInlineVideo =
+    inlineMode !== 'never' && inView && videoOk && (inlineMode === 'always' || (inlineMode === 'hover' && hovered))
+
+  // --- Teaser/Clips aktiv? (inView, nicht inline, optional nur hover)
+  const teaserActive =
+    animated &&
+    inView &&
+    !document.hidden &&
+    videoOk &&
+    !showingInlineVideo &&
+    (animatedTrigger === 'always' || hovered) &&
+    ((animatedMode === 'teaser' && teaserOk && Boolean(teaserSrc)) || (animatedMode === 'clips' && hasDuration))
+
+  const progressTotalSeconds = hasDuration ? effectiveDurationSec : undefined
+
+  // ✅ Still-Bild: optional immer laden (entkoppelt vom inView-Gating)
+  const shouldLoadStill = alwaysLoadStill || inView || everInView || (wantsHover && hovered)
+
+  // ✅ Teaser/Clips "vorwärmen": schon in nearView erlauben
+  const shouldPreloadAnimatedAssets = nearView || inView || everInView || (wantsHover && hovered)
+
   // ✅ Wenn meta.json schon alles hat: sofort Callbacks auslösen (kein hidden <video> nötig)
   useEffect(() => {
     let did = false
@@ -555,6 +584,49 @@ export default function FinishedVideoPreview({
     if (did) setMetaLoaded(true)
   }, [job, onDuration, onResolution, hasDuration, hasResolution, effectiveDurationSec, effectiveW, effectiveH])
 
+  
+  // ✅ meta fallback fetch: nur wenn previewClips fehlen (für teaser-sprünge)
+  useEffect(() => {
+    if (!previewId) return
+    if (!animated || animatedMode !== 'teaser') return
+    if (!(shouldPreloadAnimatedAssets)) return
+
+    const pcs = (meta as any)?.previewClips
+    const hasPcs =
+      Array.isArray(pcs) || (typeof pcs === 'string' && pcs.length > 0) || Array.isArray((meta as any)?.preview?.clips)
+
+    if (hasPcs) return
+
+    let aborted = false
+    const ctrl = new AbortController()
+
+    const tryFetch = async (url: string) => {
+      try {
+        const res = await fetch(url, {
+          signal: ctrl.signal,
+          cache: 'no-store',
+          credentials: 'include',
+        })
+        if (!res.ok) return null
+        return await res.json()
+      } catch {
+        return null
+      }
+    }
+
+    ;(async () => {
+      const byId = await tryFetch(`/api/record/done/meta?id=${encodeURIComponent(previewId)}`)
+      const byFile = file ? await tryFetch(`/api/record/done/meta?file=${encodeURIComponent(file)}`) : null
+      const j = byId ?? byFile
+      if (!aborted && j) setFetchedMeta(j)
+    })()
+
+    return () => {
+      aborted = true
+      ctrl.abort()
+    }
+  }, [previewId, file, animated, animatedMode, meta, shouldPreloadAnimatedAssets])
+
   // ✅ Fallback: nur wenn wir wirklich noch nichts haben, über loadedmetadata nachladen
   const handleLoadedMetadata = (e: SyntheticEvent<HTMLVideoElement>) => {
     setMetaLoaded(true)
@@ -589,24 +661,16 @@ export default function FinishedVideoPreview({
     return <div className={[sizeClass, 'rounded bg-gray-100 dark:bg-white/5'].join(' ')} />
   }
 
-  // --- Inline Video sichtbar?
-  const showingInlineVideo =
-    inlineMode !== 'never' && inView && videoOk && (inlineMode === 'always' || (inlineMode === 'hover' && hovered))
-
-  // --- Teaser/Clips aktiv? (inView, nicht inline, optional nur hover)
-  const teaserActive =
+  // ✅ aktive Asset-Nutzung (z.B. poster etc.)
+  const shouldLoadAssets = shouldPreloadAnimatedAssets
+  
+  const teaserCanPrewarm =
     animated &&
-    inView &&
-    !document.hidden &&
-    videoOk &&
+    animatedMode === 'teaser' &&
+    teaserOk &&
+    Boolean(teaserSrc) &&
     !showingInlineVideo &&
-    (animatedTrigger === 'always' || hovered) &&
-    ((animatedMode === 'teaser' && teaserOk && Boolean(teaserSrc)) || (animatedMode === 'clips' && hasDuration))
-
-  const progressTotalSeconds = hasDuration ? effectiveDurationSec : undefined
-
-  // ✅ Nur dann echte Asset-Requests auslösen, wenn wir sie brauchen
-  const shouldLoadAssets = inView || (wantsHover && hovered)
+    shouldPreloadAnimatedAssets
 
   // ✅ Progress-Quelle: NUR das Element, das wirklich spielt (für "Sprünge" wichtig)
   const progressVideoRef =
@@ -826,7 +890,7 @@ export default function FinishedVideoPreview({
 
   // ✅ brauchen wir noch hidden-metadata-load?
   const needHiddenMeta =
-    inView &&
+    (nearView || inView) &&
     (onDuration || onResolution) &&
     !metaLoaded &&
     !showingInlineVideo &&
@@ -846,10 +910,10 @@ export default function FinishedVideoPreview({
       data-fps={typeof effectiveFPS === 'number' ? String(effectiveFPS) : undefined}
     >
       {/* ✅ Thumb IMMER als Fallback/Background */}
-      {shouldLoadAssets && thumbSrc && thumbOk ? (
+      {shouldLoadStill && thumbSrc && thumbOk ? (
         <img
           src={thumbSrc}
-          loading="lazy"
+          loading={alwaysLoadStill ? 'eager' : 'lazy'}
           decoding="async"
           alt={file}
           className={['absolute inset-0 w-full h-full object-cover', blurCls].filter(Boolean).join(' ')}
@@ -886,6 +950,24 @@ export default function FinishedVideoPreview({
         />
       ) : null}
 
+      {/* ✅ Teaser prewarm (lädt Datei/Metadata vor, bleibt unsichtbar) */}
+      {!showingInlineVideo && teaserCanPrewarm && !(teaserActive && animatedMode === 'teaser') ? (
+        <video
+          key={`teaser-prewarm-${previewId}`}
+          src={teaserSrc}
+          className="hidden"
+          muted
+          playsInline
+          preload="auto"
+          onLoadedData={() => setTeaserReady(true)}
+          onCanPlay={() => setTeaserReady(true)}
+          onError={() => {
+            setTeaserOk(false)
+            setTeaserReady(false)
+          }}
+        />
+      ) : null}
+
       {/* ✅ Teaser MP4 */}
       {!showingInlineVideo && teaserActive && animatedMode === 'teaser' ? (
         <video
@@ -907,7 +989,7 @@ export default function FinishedVideoPreview({
           playsInline
           autoPlay
           loop
-          preload="metadata"
+          preload={teaserReady ? 'auto' : 'metadata'}
           poster={shouldLoadAssets ? (thumbSrc || undefined) : undefined}
           onLoadedData={() => setTeaserReady(true)}
           onPlaying={() => setTeaserReady(true)}
@@ -941,7 +1023,7 @@ export default function FinishedVideoPreview({
         <div
           aria-hidden="true"
           className={[
-            'absolute left-0 right-0 bottom-0 z-10 pointer-events-none',
+            'absolute left-0 right-0 bottom-0 z-[2] pointer-events-none',
             // etwas höher + bei hover deutlich
             'h-0.5 group-hover:h-1.5',
             'transition-[height] duration-150 ease-out',

frontend/src/components/ui/GalleryPreviewScrubber.tsx

@@ -0,0 +1,188 @@
+// frontend\src\components\ui\GalleryPreviewScrubber.tsx
+
+'use client'
+
+import * as React from 'react'
+
+type Props = {
+  imageCount: number
+  activeIndex?: number
+  onActiveIndexChange: (index: number | undefined) => void
+  onClickIndex?: (index: number) => void
+  className?: string
+  stepSeconds?: number
+}
+
+function clamp(n: number, min: number, max: number) {
+  return Math.max(min, Math.min(max, n))
+}
+
+function formatClock(totalSeconds: number) {
+  const s = Math.max(0, Math.floor(totalSeconds))
+  const m = Math.floor(s / 60)
+  const sec = s % 60
+  return `${m}:${String(sec).padStart(2, '0')}`
+}
+
+export default function GalleryPreviewScrubber({
+  imageCount,
+  activeIndex,
+  onActiveIndexChange,
+  onClickIndex,
+  className,
+  stepSeconds = 0,
+}: Props) {
+  const rootRef = React.useRef<HTMLDivElement | null>(null)
+
+  // rAF-Throttle für Pointer-Move (reduziert Re-Renders)
+  const rafRef = React.useRef<number | null>(null)
+  const pendingIndexRef = React.useRef<number | undefined>(undefined)
+
+  const flushPending = React.useCallback(() => {
+    rafRef.current = null
+    onActiveIndexChange(pendingIndexRef.current)
+  }, [onActiveIndexChange])
+
+  const setIndexThrottled = React.useCallback(
+    (index: number | undefined) => {
+      pendingIndexRef.current = index
+      if (rafRef.current != null) return
+      rafRef.current = window.requestAnimationFrame(flushPending)
+    },
+    [flushPending]
+  )
+
+  React.useEffect(() => {
+    return () => {
+      if (rafRef.current != null) {
+        window.cancelAnimationFrame(rafRef.current)
+        rafRef.current = null
+      }
+    }
+  }, [])
+
+  const indexFromClientX = React.useCallback(
+    (clientX: number) => {
+      if (!rootRef.current || imageCount < 1) return undefined
+
+      const rect = rootRef.current.getBoundingClientRect()
+      if (rect.width <= 0) return undefined
+
+      const x = clientX - rect.left
+      const ratio = clamp(x / rect.width, 0, 0.999999)
+      const idx = clamp(Math.floor(ratio * imageCount), 0, imageCount - 1)
+      return idx
+    },
+    [imageCount]
+  )
+
+  const handlePointerMove = React.useCallback(
+    (e: React.PointerEvent<HTMLDivElement>) => {
+      const idx = indexFromClientX(e.clientX)
+      setIndexThrottled(idx)
+    },
+    [indexFromClientX, setIndexThrottled]
+  )
+
+  const handlePointerEnter = React.useCallback(
+    (e: React.PointerEvent<HTMLDivElement>) => {
+      const idx = indexFromClientX(e.clientX)
+      setIndexThrottled(idx)
+    },
+    [indexFromClientX, setIndexThrottled]
+  )
+
+  const handlePointerLeave = React.useCallback(() => {
+    setIndexThrottled(undefined)
+  }, [setIndexThrottled])
+
+  const handlePointerDown = React.useCallback(
+    (e: React.PointerEvent<HTMLDivElement>) => {
+      e.stopPropagation()
+      const idx = indexFromClientX(e.clientX)
+      setIndexThrottled(idx)
+      try {
+        e.currentTarget.setPointerCapture?.(e.pointerId)
+      } catch {}
+    },
+    [indexFromClientX, setIndexThrottled]
+  )
+
+  const handleClick = React.useCallback(
+    (e: React.MouseEvent<HTMLDivElement>) => {
+      e.stopPropagation()
+      if (!onClickIndex) return
+      const idx = indexFromClientX(e.clientX)
+      if (typeof idx === 'number') onClickIndex(idx)
+    },
+    [indexFromClientX, onClickIndex]
+  )
+
+  if (!imageCount || imageCount < 1) return null
+
+  const markerLeftPct =
+    typeof activeIndex === 'number'
+      ? ((activeIndex + 0.5) / imageCount) * 100
+      : undefined
+
+  const label =
+    typeof activeIndex === 'number'
+      ? stepSeconds > 0
+        ? formatClock(activeIndex * stepSeconds)
+        : `${activeIndex + 1}/${imageCount}`
+      : ''
+
+  const showLabel = typeof activeIndex === 'number'
+
+  return (
+    <div
+      ref={rootRef}
+      className={[
+        // große Hit-Area, sichtbarer Balken ist unten drin
+        'relative h-7 w-full select-none touch-none cursor-col-resize',
+        className,
+        ]
+        .filter(Boolean)
+        .join(' ')}
+      onPointerMove={handlePointerMove}
+      onPointerEnter={handlePointerEnter}
+      onPointerLeave={handlePointerLeave}
+      onPointerDown={handlePointerDown}
+      onMouseDown={(e) => e.stopPropagation()}
+      onClick={handleClick}
+      title={showLabel ? label : `Preview scrubber (${imageCount})`}
+      role="slider"
+      aria-label="Preview scrubber"
+      aria-valuemin={1}
+      aria-valuemax={imageCount}
+      aria-valuenow={typeof activeIndex === 'number' ? activeIndex + 1 : undefined}
+    >
+        {/* sichtbarer Scrubbing-Bereich (durchgehend weiß) */}
+        <div className="pointer-events-none absolute inset-x-1 bottom-[3px] h-3 rounded-sm bg-white/35 ring-1 ring-white/40 backdrop-blur-[1px]">
+        {/* aktiver Marker */}
+        {typeof markerLeftPct === 'number' ? (
+            <div
+            className="absolute inset-y-0 w-[2px] bg-white shadow-[0_0_0_1px_rgba(0,0,0,0.35)]"
+            style={{
+                left: `${markerLeftPct}%`,
+                transform: 'translateX(-50%)',
+            }}
+            />
+        ) : null}
+        </div>
+
+      {/* Zeitlabel (unten rechts / dezent) */}
+      <div
+        className={[
+          'pointer-events-none absolute right-1 bottom-1',
+          'text-[11px] leading-none text-white',
+          'transition-opacity duration-100',
+          showLabel ? 'opacity-100' : 'opacity-0',
+          '[text-shadow:_0_1px_2px_rgba(0,0,0,0.9)]',
+        ].join(' ')}
+      >
+        {label}
+      </div>
+    </div>
+  )
+}

frontend/src/components/ui/GenerateAssetsTask.tsx

@@ -16,9 +16,10 @@ type TaskState = {
   startedAt?: string
   finishedAt?: string
   error?: string
+  currentFile?: string
 }
 
-type Progress = { done: number; total: number }
+type Progress = { done: number; total: number; currentFile?: string }
 
 type Props = {
   onFinished?: () => void
@@ -152,11 +153,17 @@ export default function GenerateAssetsTask({
       if (st?.running) {
         const ac = ensureControllerCreated()
         armTaskList(ac)
-        onProgressRef.current?.({ done: st?.done ?? 0, total: st?.total ?? 0 })
+        onProgressRef.current?.({
+          done: st?.done ?? 0,
+          total: st?.total ?? 0,
+          currentFile: st?.currentFile ?? '',
+        })
       }
 
       const errText = String(st?.error ?? '').trim()
-      if (errText && errText !== lastErrorRef.current) {
+
+      // ✅ Abbruch ist kein "Fehler"-Event für die UI
+      if (errText && errText !== 'abgebrochen' && errText !== lastErrorRef.current) {
         lastErrorRef.current = errText
         onErrorRef.current?.(errText)
       }
@@ -184,7 +191,11 @@ export default function GenerateAssetsTask({
       armTaskList(ac)
 
       if (st?.running) {
-        onProgress?.({ done: st?.done ?? 0, total: st?.total ?? 0 })
+        onProgress?.({
+          done: st?.done ?? 0,
+          total: st?.total ?? 0,
+          currentFile: st?.currentFile ?? '',
+        })
       }
     } catch (e: any) {
       // Start fehlgeschlagen -> Controller/Flags zurücksetzen

frontend/src/components/ui/ModelDetails.tsx

@@ -312,6 +312,8 @@ type StoredModel = {
   id: string
   modelKey: string
   tags?: string | null
+  lastSeenOnline?: boolean | null
+  lastSeenOnlineAt?: string
   favorite?: boolean
   watching?: boolean
   liked?: boolean | null
@@ -699,6 +701,11 @@ export default function ModelDetails({
   const about = stripHtmlToText(bio?.about_me)
   const wish = stripHtmlToText(bio?.wish_list)
 
+  const storedPresenceLabel =
+    model?.lastSeenOnline == null ? '' : model.lastSeenOnline ? 'online' : 'offline'
+
+  const effectivePresenceLabel = (bioStatus || showLabel || storedPresenceLabel || '').trim()
+
   const socials = Array.isArray(bio?.social_medias) ? bio!.social_medias! : []
   const photos = Array.isArray(bio?.photo_sets) ? bio!.photo_sets! : []
   const interested = Array.isArray(bio?.interested_in) ? bio!.interested_in! : []
@@ -901,16 +908,16 @@ export default function ModelDetails({
                       {showPill}
                     </span>
                   ) : null}
-
-                  {bioStatus ? (
+                  
+                  {effectivePresenceLabel ? (
                     <span
                       className={pill(
-                        bioStatus.toLowerCase() === 'online'
+                        effectivePresenceLabel.toLowerCase() === 'online'
                           ? 'bg-emerald-500/10 text-emerald-900 ring-emerald-200 backdrop-blur dark:text-emerald-200 dark:ring-emerald-400/20'
                           : 'bg-gray-500/10 text-gray-900 ring-gray-200 backdrop-blur dark:text-gray-200 dark:ring-white/15'
                       )}
                     >
-                      {bioStatus}
+                      {effectivePresenceLabel}
                     </span>
                   ) : null}
 
@@ -1201,7 +1208,7 @@ export default function ModelDetails({
                     aria-hidden
                     className={cn(
                       'absolute bottom-1.5 right-1.5 size-2.5 rounded-full ring-2 ring-white/80 dark:ring-gray-900/60',
-                      (bioStatus || '').toLowerCase() === 'online' ? 'bg-emerald-400' : 'bg-gray-400'
+                      (effectivePresenceLabel || '').toLowerCase() === 'online' ? 'bg-emerald-400' : 'bg-gray-400'
                     )}
                   />
                 </button>
@@ -1499,6 +1506,19 @@ export default function ModelDetails({
                         · Bio-Stand: {fmtDateTime(bioMeta.fetchedAt)}
                       </span>
                     ) : null}
+                    {model?.lastSeenOnlineAt ? (
+                      <span className="text-gray-500 dark:text-gray-400">
+                        · Zuletzt gesehen:{' '}
+                        <span className="font-medium">
+                          {model.lastSeenOnline == null
+                            ? '—'
+                            : model.lastSeenOnline
+                              ? 'online'
+                              : 'offline'}
+                        </span>{' '}
+                        ({fmtDateTime(model.lastSeenOnlineAt)})
+                      </span>
+                    ) : null}
                   </div>
                 ) : (
                   '—'

frontend/src/components/ui/ModelPreview.tsx

@@ -21,6 +21,9 @@ type Props = {
   fastRetryMs?: number
   fastRetryMax?: number
   fastRetryWindowMs?: number
+
+  thumbsWebpUrl?: string | null
+  thumbsCandidates?: Array<string | null | undefined>
 }
 
 export default function ModelPreview({
@@ -28,15 +31,18 @@ export default function ModelPreview({
   thumbTick,
   autoTickMs = 10_000,
   blur = false,
+  className,
   alignStartAt,
   alignEndAt = null,
   alignEveryMs,
   fastRetryMs,
   fastRetryMax,
   fastRetryWindowMs,
-  className,
+  thumbsWebpUrl,
+  thumbsCandidates,
 }: Props) {
   const blurCls = blur ? 'blur-md' : ''
+  const CONTROLBAR_H = 30
 
   const rootRef = useRef<HTMLDivElement | null>(null)
 
@@ -48,13 +54,16 @@ export default function ModelPreview({
   const inViewRef = useRef(false)
 
   const [localTick, setLocalTick] = useState(0)
-  const [imgError, setImgError] = useState(false)
+  const [directImgError, setDirectImgError] = useState(false)
+  const [apiImgError, setApiImgError] = useState(false)
 
   const retryT = useRef<number | null>(null)
   const fastTries = useRef(0)
   const hadSuccess = useRef(false)
   const enteredViewOnce = useRef(false)
 
+  const [pageVisible, setPageVisible] = useState(true)
+
   const toMs = (v: any): number => {
     if (typeof v === 'number' && Number.isFinite(v)) return v
     if (v instanceof Date) return v.getTime()
@@ -62,12 +71,37 @@ export default function ModelPreview({
     return Number.isFinite(ms) ? ms : NaN
   }
 
+  const normalizeUrl = (u?: string | null): string => {
+    const s = String(u ?? '').trim()
+    if (!s) return ''
+    if (/^https?:\/\//i.test(s)) return s
+    if (s.startsWith('/')) return s
+    return `/${s}`
+  }
+
+  const thumbsCandidatesKey = useMemo(() => {
+    const list = [
+      thumbsWebpUrl,
+      ...(Array.isArray(thumbsCandidates) ? thumbsCandidates : []),
+    ]
+      .map(normalizeUrl)
+      .filter(Boolean)
+
+    // Reihenfolge behalten, nur dedupe
+    return Array.from(new Set(list)).join('|')
+  }, [thumbsWebpUrl, thumbsCandidates])
+
   // ✅ visibilitychange -> nur REF updaten
   useEffect(() => {
     const onVis = () => {
-      pageVisibleRef.current = !document.hidden
+      const vis = !document.hidden
+      pageVisibleRef.current = vis
+      setPageVisible(vis) // ✅ sorgt dafür, dass Tick-Effect neu aufgebaut wird
     }
-    pageVisibleRef.current = !document.hidden
+    const vis = !document.hidden
+    pageVisibleRef.current = vis
+    setPageVisible(vis)
+
     document.addEventListener('visibilitychange', onVis)
     return () => document.removeEventListener('visibilitychange', onVis)
   }, [])
@@ -161,7 +195,7 @@ export default function ModelPreview({
     }, period)
 
     return () => window.clearInterval(id)
-  }, [thumbTick, autoTickMs, inView, alignStartAt, alignEndAt, alignEveryMs])
+  }, [thumbTick, autoTickMs, inView, pageVisible, alignStartAt, alignEndAt, alignEveryMs])
 
   // ✅ tick Quelle
   const rawTick = typeof thumbTick === 'number' ? thumbTick : localTick
@@ -180,58 +214,82 @@ export default function ModelPreview({
 
   // bei neuem *sichtbaren* Tick Error-Flag zurücksetzen
   useEffect(() => {
-    setImgError(false)
+    setDirectImgError(false)
+    setApiImgError(false)
   }, [frozenTick])
 
+  // bei Job-Wechsel reset
   useEffect(() => {
-    // bei Job-Wechsel reset
     hadSuccess.current = false
     fastTries.current = 0
     enteredViewOnce.current = false
-    setImgError(false)
+    setDirectImgError(false)
+    setApiImgError(false)
 
-    // ✅ sofort neuer Request, aber nur wenn wir auch wirklich sichtbar sind
     if (inViewRef.current && pageVisibleRef.current) {
       setLocalTick((x) => x + 1)
     }
-  }, [jobId])
+  }, [jobId, thumbsCandidatesKey])
 
   const thumb = useMemo(
-    () => `/api/record/preview?id=${encodeURIComponent(jobId)}&v=${frozenTick}`,
+    () => `/api/preview?id=${encodeURIComponent(jobId)}&v=${frozenTick}`,
     [jobId, frozenTick]
   )
 
   const hq = useMemo(
-    () => `/api/record/preview?id=${encodeURIComponent(jobId)}&hover=1&file=index_hq.m3u8`,
+    () => `/api/preview?id=${encodeURIComponent(jobId)}&hover=1&file=index_hq.m3u8`,
     [jobId]
   )
 
+  const directThumbCandidates = useMemo(() => {
+    if (!thumbsCandidatesKey) return []
+    return thumbsCandidatesKey.split('|')
+  }, [thumbsCandidatesKey])
+
+  const directThumb = directThumbCandidates[0] || ''
+  const useDirectThumb = Boolean(directThumb) && !directImgError
+  const currentImgSrc = useMemo(() => {
+    if (useDirectThumb) {
+      const sep = directThumb.includes('?') ? '&' : '?'
+      return `${directThumb}${sep}v=${encodeURIComponent(String(frozenTick))}`
+    }
+    return thumb
+  }, [useDirectThumb, directThumb, frozenTick, thumb])
+
   return (
     <HoverPopover
       content={(open, { close }) =>
         open && (
           <div className="w-[420px] max-w-[calc(100vw-1.5rem)]">
-            <div className="relative aspect-video overflow-hidden rounded-lg bg-black">
-              <LiveHlsVideo src={hq} muted={false} className="w-full h-full relative z-0" />
+            <div
+              className="relative rounded-lg overflow-hidden bg-black"
+              style={{
+                // 16:9 Videofläche + feste 30px Controlbar
+                paddingBottom: `calc(56.25% + ${CONTROLBAR_H}px)`,
+              }}
+            >
+              <div className="absolute inset-0">
+                <LiveHlsVideo src={hq} muted={false} className="w-full h-full object-contain object-bottom relative z-0" />
 
-              <div className="absolute left-2 top-2 inline-flex items-center gap-1.5 rounded-full bg-red-600/90 px-2 py-1 text-[11px] font-semibold text-white shadow-sm">
-                <span className="inline-block size-1.5 rounded-full bg-white animate-pulse" />
-                Live
+                <div className="absolute left-2 top-2 inline-flex items-center gap-1.5 rounded-full bg-red-600/90 px-2 py-1 text-[11px] font-semibold text-white shadow-sm">
+                  <span className="inline-block size-1.5 rounded-full bg-white animate-pulse" />
+                  Live
+                </div>
+
+                <button
+                  type="button"
+                  className="absolute right-2 top-2 z-20 inline-flex items-center justify-center rounded-md p-1.5 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-white/70 bg-white/75 text-gray-900 ring-1 ring-black/10 hover:bg-white/90 dark:bg-black/40 dark:text-white dark:ring-white/10 dark:hover:bg-black/55"
+                  aria-label="Live-Vorschau schließen"
+                  title="Vorschau schließen"
+                  onClick={(e) => {
+                    e.preventDefault()
+                    e.stopPropagation()
+                    close()
+                  }}
+                >
+                  <XMarkIcon className="h-4 w-4" />
+                </button>
               </div>
-
-              <button
-                type="button"
-                className="absolute right-2 top-2 z-20 inline-flex items-center justify-center rounded-md p-1.5 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-white/70 bg-white/75 text-gray-900 ring-1 ring-black/10 hover:bg-white/90 dark:bg-black/40 dark:text-white dark:ring-white/10 dark:hover:bg-black/55"
-                aria-label="Live-Vorschau schließen"
-                title="Vorschau schließen"
-                onClick={(e) => {
-                  e.preventDefault()
-                  e.stopPropagation()
-                  close()
-                }}
-              >
-                <XMarkIcon className="h-4 w-4" />
-              </button>
             </div>
           </div>
         )
@@ -244,9 +302,9 @@ export default function ModelPreview({
           className || 'w-full h-full',
         ].join(' ')}
       >
-        {!imgError ? (
+        {!apiImgError ? (
           <img
-            src={thumb}
+            src={currentImgSrc}
             loading={inView ? 'eager' : 'lazy'}
             fetchPriority={inView ? 'high' : 'auto'}
             decoding="async"
@@ -256,10 +314,20 @@ export default function ModelPreview({
               hadSuccess.current = true
               fastTries.current = 0
               if (retryT.current) window.clearTimeout(retryT.current)
-              setImgError(false)
+
+              // nur den aktuell genutzten Pfad als "ok" markieren
+              if (useDirectThumb) setDirectImgError(false)
+              else setApiImgError(false)
             }}
             onError={() => {
-              setImgError(true)
+              // 1) Wenn direkte thumbs.webp fehlschlägt -> auf API-Fallback umschalten
+              if (useDirectThumb) {
+                setDirectImgError(true)
+                return
+              }
+
+              // 2) API-Fallback fehlschlägt -> bisherige Retry-Logik
+              setApiImgError(true)
 
               if (!fastRetryMs) return
               if (!inViewRef.current || !pageVisibleRef.current) return
@@ -276,6 +344,7 @@ export default function ModelPreview({
               if (retryT.current) window.clearTimeout(retryT.current)
               retryT.current = window.setTimeout(() => {
                 fastTries.current += 1
+                setApiImgError(false)     // API erneut probieren
                 setLocalTick((x) => x + 1)
               }, fastRetryMs)
             }}

frontend/src/components/ui/RecordJobActions.tsx

@@ -435,7 +435,7 @@ export default function RecordJobActions({
     delete: DeleteBtn,
   }
 
-  const collapse = collapseToMenu && variant === 'overlay'
+  const collapse = collapseToMenu
 
   // Nur Keys, die wirklich einen Node haben
   const presentKeys = actionOrder.filter((k) => Boolean(byKey[k]))

frontend/src/components/ui/RecorderSettings.tsx

@@ -56,6 +56,13 @@ type Props = {
   onAssetsGenerated?: () => void
 }
 
+function shortTaskFilename(name?: string, max = 52) {
+  const s = String(name ?? '').trim()
+  if (!s) return ''
+  if (s.length <= max) return s
+  return '…' + s.slice(-(max - 1))
+}
+
 export default function RecorderSettings({ onAssetsGenerated }: Props) {
   const [value, setValue] = useState<RecorderSettings>(DEFAULTS)
   const [saving, setSaving] = useState(false)
@@ -418,6 +425,7 @@ export default function RecorderSettings({ onAssetsGenerated }: Props) {
                     setAssetsTask((t: TaskItem) => ({
                       ...t,
                       status: 'running',
+                      title: 'Assets generieren', 
                       text: '',
                       done: 0,
                       total: 0,
@@ -426,22 +434,30 @@ export default function RecorderSettings({ onAssetsGenerated }: Props) {
                     }))
                   }}
                   onProgress={(p) => {
+                    const fn = shortTaskFilename(p.currentFile)
+
                     setAssetsTask((t: TaskItem) => ({
                       ...t,
                       status: 'running',
-                      text: '',
+                      title: 'Assets generieren',
+                      text: fn || '',
                       done: p.done,
                       total: p.total,
                     }))
                   }}
                   onDone={() => {
                     assetsAbortRef.current = null
-                    setAssetsTask((t: TaskItem) => ({ ...t, status: 'done' }))
+                    setAssetsTask((t: TaskItem) => ({ ...t, status: 'done', title: 'Assets generieren' }))
                     fadeOutTask(setAssetsTask)
                   }}
                   onCancelled={() => {
                     assetsAbortRef.current = null
-                    setAssetsTask((t: TaskItem) => ({ ...t, status: 'cancelled', text: 'Abgebrochen.' }))
+                    setAssetsTask((t: TaskItem) => ({
+                      ...t,
+                      status: 'cancelled',
+                      title: 'Assets generieren',
+                      text: 'Abgebrochen.',
+                    }))
                     fadeOutTask(setAssetsTask)
                   }}
                   onError={(message) => {
@@ -449,6 +465,7 @@ export default function RecorderSettings({ onAssetsGenerated }: Props) {
                     setAssetsTask((t: TaskItem) => ({
                       ...t,
                       status: 'error',
+                      title: 'Assets generieren',
                       text: 'Fehler beim Generieren.',
                       err: message,
                     }))

frontend/src/components/ui/SwipeCard.tsx

@@ -3,7 +3,6 @@
 'use client'
 
 import * as React from 'react'
-import { TrashIcon, BookmarkSquareIcon } from '@heroicons/react/24/outline'
 import { FireIcon as FireSolidIcon } from '@heroicons/react/24/solid'
 import { createRoot } from 'react-dom/client'
 
@@ -118,24 +117,6 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
     onSwipeLeft,
     onSwipeRight,
     className,
-    leftAction = {
-      label: (
-        <span className="inline-flex items-center gap-2 font-semibold">
-          <BookmarkSquareIcon className="h-6 w-6" />
-          <span className="hidden sm:inline">Behalten</span>
-        </span>
-      ),
-      className: 'bg-emerald-500/20 text-emerald-800 dark:bg-emerald-500/15 dark:text-emerald-300',
-    },
-    rightAction = {
-      label: (
-        <span className="inline-flex flex-col items-center gap-1 font-semibold leading-tight">
-          <TrashIcon className="h-6 w-6" aria-hidden="true" />
-          <span>Löschen</span>
-        </span>
-      ),
-      className: 'bg-red-500/20 text-red-800 dark:bg-red-500/15 dark:text-red-300',
-    },
     thresholdPx = 140,
     thresholdRatio = 0.28,
     ignoreFromBottomPx = 72,
@@ -400,54 +381,48 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
     [commit, reset]
   )
 
+  const absDx = Math.abs(dx)
+  const swipeDir: 'left' | 'right' | null = dx === 0 ? null : dx > 0 ? 'right' : 'left'
+
+  const activeThreshold =
+    thresholdRef.current || Math.min(thresholdPx, (cardRef.current?.offsetWidth || 360) * thresholdRatio)
+
+  const reveal = Math.max(0, Math.min(1, absDx / Math.max(1, activeThreshold)))
+  const revealSoft = Math.max(0, Math.min(1, absDx / Math.max(1, activeThreshold * 1.35)))
+
+  // leichte Tinder-ähnliche Kippung beim Drag
+  const tiltDeg = Math.max(-6, Math.min(6, dx / 28))
+  const dragScale = dx === 0 ? 1 : 0.995
+
   return (
     <div
       ref={outerRef}
-      className={cn('relative isolate overflow-hidden rounded-lg', className)}
+      className={cn('relative isolate overflow-visible rounded-lg', className)}
     >
-      {/* Background actions (100% je Richtung, animiert) */}
-      <div className="absolute inset-0 pointer-events-none overflow-hidden rounded-lg">
-        <div
-          className={cn(
-            'absolute inset-0 transition-opacity duration-200 ease-out',
-            dx === 0 ? 'opacity-0' : 'opacity-100',
-            dx > 0 ? leftAction.className : rightAction.className
-          )}
-        />
-
-        <div
-          className="absolute inset-0 flex items-center"
-          style={{
-            opacity: dx === 0 ? 0 : 1,
-            justifyContent: dx > 0 ? 'flex-start' : 'flex-end',
-            paddingLeft: dx > 0 ? 16 : 0,
-            paddingRight: dx > 0 ? 0 : 16,
-          }}
-        >
-          <div
-            style={{
-              transform: armedDir ? 'scale(1.05)' : 'scale(1)',
-              transition: 'transform 180ms ease, opacity 180ms ease',
-              opacity: armedDir ? 1 : 0.9,
-            }}
-          >
-            {dx > 0 ? leftAction.label : rightAction.label}
-          </div>
-        </div>
-      </div>
-
       {/* Foreground (moves) */}
       <div
         ref={cardRef}
         className="relative"
         style={{
-          // ✅ iOS Fix: kein transform im Idle-Zustand, sonst sind Video-Controls oft nicht tappbar
-          transform: dx !== 0 ? `translate3d(${dx}px,0,0)` : undefined,
+          // ✅ iOS Fix: im Idle kein transform
+          transform:
+            dx !== 0
+              ? `translate3d(${dx}px,0,0) rotate(${tiltDeg}deg) scale(${dragScale})`
+              : undefined,
           transition: animMs ? `transform ${animMs}ms ease` : undefined,
           touchAction: 'pan-y',
           willChange: dx !== 0 ? 'transform' : undefined,
-          boxShadow: dx !== 0 ? '0 10px 24px rgba(0,0,0,0.18)' : undefined,
+          boxShadow:
+            dx !== 0
+              ? swipeDir === 'right'
+                ? `0 16px 34px rgba(0,0,0,0.28), 0 0 0 1px rgba(16,185,129,${0.08 + reveal * 0.12})`
+                : `0 16px 34px rgba(0,0,0,0.28), 0 0 0 1px rgba(244,63,94,${0.08 + reveal * 0.12})`
+              : undefined,
           borderRadius: dx !== 0 ? '12px' : undefined,
+          filter:
+            dx !== 0
+              ? `saturate(${1 + reveal * 0.08}) brightness(${1 + reveal * 0.02})`
+              : undefined,
         }}
         onPointerDown={(e) => {
           if (!enabled || disabled) return
@@ -457,10 +432,10 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
           // Tap ignorieren (SingleTap nicht auslösen), DoubleTap soll aber weiter gehen
           let tapIgnored = Boolean(tapIgnoreSelector && target?.closest?.(tapIgnoreSelector))
 
-          // Harte Ignore-Zone: da wollen wir wirklich gar nichts (wie vorher)
+          // Harte Ignore-Zone: da wollen wir wirklich gar nichts
           if (ignoreSelector && target?.closest?.(ignoreSelector)) return
 
-          // NEW: wenn true -> wir lassen Tap/DoubleTap zu, aber starten niemals Swipe/Drag
+          // Tap/DoubleTap erlauben, aber niemals swipe starten
           let noSwipe = false
 
           const root = e.currentTarget as HTMLElement
@@ -477,14 +452,12 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
               e.clientY <= vr.bottom
 
             if (inVideo) {
-              // unten frei für Timeline/Scrub
               const fromBottomVideo = vr.bottom - e.clientY
               const scrubZonePx = 72
               if (fromBottomVideo <= scrubZonePx) {
                 noSwipe = true
-                tapIgnored = true // SingleTap nicht in unsere Logik -> Video controls sollen gewinnen
+                tapIgnored = true
               } else {
-                // Swipe nur aus den Seitenrändern
                 const edgeZonePx = 64
                 const xFromLeft = e.clientX - vr.left
                 const xFromRight = vr.right - e.clientX
@@ -492,18 +465,16 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
 
                 if (!inEdge) {
                   noSwipe = true
-                  tapIgnored = true // Video-Interaktion nicht stören
+                  tapIgnored = true
                 }
               }
             }
           }
 
-          // Generelle Card-Bottom-Sperre: Swipe verhindern, aber Tap darf bleiben
           const rect = (e.currentTarget as HTMLElement).getBoundingClientRect()
           const fromBottom = rect.bottom - e.clientY
           if (ignoreFromBottomPx && fromBottom <= ignoreFromBottomPx) {
             noSwipe = true
-            // tapIgnored NICHT automatisch setzen – Footer-Taps sollen funktionieren
           }
 
           pointer.current = {
@@ -524,33 +495,24 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
         onPointerMove={(e) => {
           if (!enabled || disabled) return
           if (pointer.current.id !== e.pointerId) return
-          
+
           if (pointer.current.noSwipe) return
 
           const ddx = e.clientX - pointer.current.x
           const ddy = e.clientY - pointer.current.y
 
-          // Erst entscheiden ob wir überhaupt draggen
           if (!pointer.current.dragging) {
-            // wenn Nutzer vertikal scrollt -> abbrechen, NICHT hijacken
             if (Math.abs(ddy) > Math.abs(ddx) && Math.abs(ddy) > 8) {
               pointer.current.id = null
               return
             }
 
-            // "Dead zone" bis wirklich horizontal gedrückt wird
             if (Math.abs(ddx) < 12) return
 
-            // ✅ jetzt erst beginnen wir zu swipen
             pointer.current.dragging = true
-
-            // ✅ während horizontalem Drag keine Scroll-Gesten verhandeln
             ;(e.currentTarget as HTMLElement).style.touchAction = 'none'
-
-            // ✅ Anim nur 1x beim Drag-Start deaktivieren
             setAnimMs(0)
 
-            // ✅ Pointer-Capture erst JETZT (nicht bei pointerdown)
             try {
               ;(e.currentTarget as HTMLElement).setPointerCapture(e.pointerId)
               pointer.current.captured = true
@@ -578,14 +540,14 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
             })
           }
 
-          // ✅ armedDir nur updaten wenn geändert
           const threshold = thresholdRef.current
           const nextDir = ddx > threshold ? 'right' : ddx < -threshold ? 'left' : null
           setArmedDir((prev) => {
             if (prev === nextDir) return prev
-            // mini feedback beim “arming”
             if (nextDir) {
-              try { navigator.vibrate?.(10) } catch {}
+              try {
+                navigator.vibrate?.(10)
+              } catch {}
             }
             return nextDir
           })
@@ -606,15 +568,14 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
           pointer.current.dragging = false
           pointer.current.captured = false
 
-          // Capture sauber lösen (falls gesetzt)
           if (wasCaptured) {
             try {
               ;(e.currentTarget as HTMLElement).releasePointerCapture(e.pointerId)
             } catch {}
           }
-          
+
           ;(e.currentTarget as HTMLElement).style.touchAction = 'pan-y'
-          
+
           if (!wasDragging) {
             const now = Date.now()
             const last = lastTapRef.current
@@ -626,26 +587,20 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
             const isDouble =
               Boolean(onDoubleTap) &&
               last &&
-              (now - last.t) <= doubleTapMs &&
+              now - last.t <= doubleTapMs &&
               isNear
 
             if (isDouble) {
-              // 2nd tap: Single-Tap abbrechen + DoubleTap ausführen
               lastTapRef.current = null
               clearTapTimer()
 
               if (doubleTapBusyRef.current) return
               doubleTapBusyRef.current = true
 
-              // ✅ FX sofort anlegen
               try {
                 runHotFx(e.clientX, e.clientY)
-              } catch (err) {
-                // optional zum Debuggen:
-                // console.error('runHotFx failed', err)
-              }
+              } catch {}
 
-              // ✅ Toggle erst NACH dem nächsten Paint-Frame starten
               requestAnimationFrame(() => {
                 ;(async () => {
                   try {
@@ -659,9 +614,7 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
               return
             }
 
-            // ✅ nur SingleTap "blocken" wenn tapIgnored – DoubleTap bleibt möglich
             if (wasTapIgnored) {
-              // wichtig: lastTapRef trotzdem setzen, damit DoubleTap beim 2. Tap klappt
               lastTapRef.current = { t: now, x: e.clientX, y: e.clientY }
               clearTapTimer()
               tapTimerRef.current = window.setTimeout(() => {
@@ -671,10 +624,8 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
               return
             }
 
-            // ✅ NUR bei SingleTap soft resetten
             softResetForTap()
 
-            // kein Double: SingleTap erst nach Delay auslösen
             lastTapRef.current = { t: now, x: e.clientX, y: e.clientY }
             clearTapTimer()
 
@@ -689,7 +640,6 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
 
           const finalDx = dxRef.current
 
-          // rAF cleanup
           if (rafRef.current != null) {
             cancelAnimationFrame(rafRef.current)
             rafRef.current = null
@@ -719,7 +669,9 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
           }
           dxRef.current = 0
 
-          try { (e.currentTarget as HTMLElement).style.touchAction = 'pan-y' } catch {}
+          try {
+            ;(e.currentTarget as HTMLElement).style.touchAction = 'pan-y'
+          } catch {}
 
           reset()
         }}
@@ -727,14 +679,32 @@ const SwipeCard = React.forwardRef<SwipeCardHandle, SwipeCardProps>(function Swi
         <div className="relative">
           <div className="relative z-10">{children}</div>
 
-          {/* ✅ Overlay liegt ÜBER dem Inhalt */}
+          {/* Overlay über dem Inhalt (subtiler, progressiv) */}
           <div
-            className={cn(
-              'absolute inset-0 z-20 pointer-events-none transition-opacity duration-150 rounded-lg',
-              armedDir === 'right' && 'bg-emerald-500/20 opacity-100',
-              armedDir === 'left' && 'bg-red-500/20 opacity-100',
-              armedDir === null && 'opacity-0'
-            )}
+            className="absolute inset-0 z-20 pointer-events-none rounded-lg transition-opacity duration-100"
+            style={{
+              opacity: dx === 0 ? 0 : 0.12 + revealSoft * 0.18,
+              background:
+                swipeDir === 'right'
+                  ? 'linear-gradient(90deg, rgba(16,185,129,0.16) 0%, rgba(16,185,129,0.04) 45%, rgba(0,0,0,0) 100%)'
+                  : swipeDir === 'left'
+                    ? 'linear-gradient(270deg, rgba(244,63,94,0.16) 0%, rgba(244,63,94,0.04) 45%, rgba(0,0,0,0) 100%)'
+                    : 'transparent',
+            }}
+          />
+
+          {/* Armed border glow */}
+          <div
+            className="absolute inset-0 z-20 pointer-events-none rounded-lg transition-opacity duration-100"
+            style={{
+              opacity: armedDir ? 1 : 0,
+              boxShadow:
+                armedDir === 'right'
+                  ? 'inset 0 0 0 1px rgba(16,185,129,0.45), inset 0 0 32px rgba(16,185,129,0.10)'
+                  : armedDir === 'left'
+                    ? 'inset 0 0 0 1px rgba(244,63,94,0.45), inset 0 0 32px rgba(244,63,94,0.10)'
+                    : 'none',
+            }}
           />
         </div>
       </div>

frontend/src/components/ui/Table.tsx

@@ -212,7 +212,7 @@ export default function Table<T>({
               <div
                 className={cn(
                   card &&
-                    'overflow-hidden shadow-sm outline-1 outline-black/5 sm:rounded-lg dark:shadow-none dark:-outline-offset-1 dark:outline-white/10'
+                    'overflow-hidden shadow-sm outline-1 outline-black/5 rounded-lg dark:shadow-none dark:-outline-offset-1 dark:outline-white/10'
                 )}
               >
                 <table className="relative min-w-full divide-y divide-gray-200 dark:divide-white/10">

frontend/src/components/ui/TagOverflowRow.tsx

@@ -54,8 +54,14 @@ export default function TagOverflowRow({
     return typeof maxVisible === 'number' && maxVisible > 0 ? maxVisible : Number.POSITIVE_INFINITY
   }, [maxVisible])
 
+  const sortedTags = React.useMemo(() => {
+    return [...tags].sort((a, b) =>
+      a.localeCompare(b, undefined, { sensitivity: 'base' })
+    )
+  }, [tags])
+
   const [visibleCount, setVisibleCount] = React.useState<number>(() => {
-    const total = Math.min(tags.length, cap)
+    const total = Math.min(sortedTags.length, cap)
     return Math.min(total, 6) // optional initial guess; recalc korrigiert direkt
   })
 
@@ -67,7 +73,7 @@ export default function TagOverflowRow({
     const rowW = Math.floor(rowWrap.getBoundingClientRect().width)
     if (rowW <= 0) return
 
-    const totalTags = Math.min(tags.length, cap)
+    const totalTags = Math.min(sortedTags.length, cap)
     if (totalTags <= 0) {
       setVisibleCount(0)
       return
@@ -110,12 +116,12 @@ export default function TagOverflowRow({
     }
 
     setVisibleCount(Math.max(0, Math.min(count, totalTags)))
-  }, [tags, cap, gapPx])
+  }, [sortedTags, cap, gapPx])
 
   React.useLayoutEffect(() => {
     recalc()
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [recalc, tags.join('\u0000'), maxWidthClassName, cap])
+  }, [recalc, sortedTags.join('\u0000'), maxWidthClassName, cap])
 
   React.useEffect(() => {
     const el = rowWrapRef.current
@@ -125,14 +131,14 @@ export default function TagOverflowRow({
     return () => ro.disconnect()
   }, [recalc])
 
-  const totalTags = Math.min(tags.length, cap)
-  const visibleTags = tags.slice(0, Math.min(visibleCount, totalTags))
+  const totalTags = Math.min(sortedTags.length, cap)
+  const visibleTags = sortedTags.slice(0, Math.min(visibleCount, totalTags))
 
   const stop = (e: React.SyntheticEvent) => e.stopPropagation()
 
   // ✅ Hinweis: auch wenn cap < tags.length, zählt "rest" nur gegen totalTags (capped)
   // willst du immer gegen alle tags: rest = tags.length - visibleTags.length
-  const restAll = tags.length - visibleTags.length
+  const restAll = sortedTags.length - visibleTags.length
 
   return (
     <>
@@ -224,7 +230,7 @@ export default function TagOverflowRow({
           {/* volle Fläche für Tags */}
           <div className="h-full overflow-auto pr-1">
             <div className="flex flex-wrap gap-1.5">
-              {tags.map((t) => (
+              {sortedTags.map((t) => (
                 <TagBadge
                   key={t}
                   tag={t}
@@ -241,7 +247,7 @@ export default function TagOverflowRow({
       {/* hidden measure area */}
       <div className="absolute -left-[9999px] -top-[9999px] opacity-0 pointer-events-none">
         <div ref={measureRef} className="flex flex-nowrap items-center gap-1.5">
-          {tags.slice(0, totalTags).map((t) => (
+          {sortedTags.slice(0, totalTags).map((t) => (
             <TagBadge
               key={t}
               tag={t}

frontend/src/lib/useMediaQuery.ts

@@ -0,0 +1,33 @@
+'use client'
+
+import { useEffect, useState } from 'react'
+
+export function useMediaQuery(query: string, defaultValue = false): boolean {
+  const [matches, setMatches] = useState<boolean>(defaultValue)
+
+  useEffect(() => {
+    if (typeof window === 'undefined' || typeof window.matchMedia !== 'function') {
+      return
+    }
+
+    const mql = window.matchMedia(query)
+
+    const onChange = () => {
+      setMatches(mql.matches)
+    }
+
+    // Initial setzen (wichtig nach Mount)
+    onChange()
+
+    // Safari fallback
+    if (typeof mql.addEventListener === 'function') {
+      mql.addEventListener('change', onChange)
+      return () => mql.removeEventListener('change', onChange)
+    }
+
+    mql.addListener(onChange)
+    return () => mql.removeListener(onChange)
+  }, [query])
+
+  return matches
+}