added real mfc preview

backend/.env

@@ -1,2 +1,2 @@
-HTTPS_ENABLED=0
+HTTPS_ENABLED=1
 AUTH_RP_ORIGINS=https://l14pbbk95100006.tegdssd.de:9999,https://l14pbbk95100006.tegdssd.de:5173,https://localhost:9999,https://127.0.0.1:9999,https://10.0.1.25:9999,http://localhost:5173,http://127.0.0.1:5173,http://10.0.1.25:5173

backend/record_stream_mfc.go

@@ -51,15 +51,18 @@ func RecordStreamMFC(
 		time.Sleep(5 * time.Second)
 	}
 
-	if job != nil && strings.TrimSpace(mfc.AvatarURL) != "" {
+	if job != nil {
+		img := strings.TrimSpace(mfc.PreviewImageURL())
+		if img != "" {
 			jobsMu.Lock()
-		job.ModelImageURL = strings.TrimSpace(mfc.AvatarURL)
-		job.Avatar = strings.TrimSpace(mfc.AvatarURL)
+			job.ModelImageURL = img
+			job.Avatar = img
 			job.PreviewState = "public"
 			jobsMu.Unlock()
 
 			_ = publishJobSnapshot(job.ID)
 		}
+	}
 
 	// ✅ erst jetzt die Video URL holen (weil public)
 	stream, err := mfc.GetSelectedStream(ctx, false, hc.userAgent)
@@ -82,9 +85,9 @@ func RecordStreamMFC(
 		job.PreviewCookie = ""
 		job.PreviewUA = hc.userAgent
 
-		if strings.TrimSpace(mfc.AvatarURL) != "" {
-			job.ModelImageURL = strings.TrimSpace(mfc.AvatarURL)
-			job.Avatar = strings.TrimSpace(mfc.AvatarURL)
+		if img := strings.TrimSpace(mfc.PreviewImageURL()); img != "" {
+			job.ModelImageURL = img
+			job.Avatar = img
 			job.PreviewState = "public"
 		}
 
@@ -109,6 +112,9 @@ type MyFreeCams struct {
 	ServerID  string
 	Phase     string
 	AvatarURL string
+
+	RawUserID int
+	SnapURL   string
 }
 
 type mfcUsernameLookupResp struct {
@@ -121,11 +127,58 @@ type mfcUsernameLookupResp struct {
 			Sessions []struct {
 				ServerName string `json:"server_name"`
 				Phase      string `json:"phase"`
+				SnapURL    string `json:"snap_url"`
 			} `json:"sessions"`
 		} `json:"user"`
 	} `json:"result"`
 }
 
+func normalizeMFCSnapURL(raw string) string {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return ""
+	}
+
+	if strings.HasPrefix(raw, "//") {
+		raw = "https:" + raw
+	} else if strings.HasPrefix(raw, "/") {
+		raw = "https://snap.mfcimg.com" + raw
+	} else if !strings.HasPrefix(raw, "http://") && !strings.HasPrefix(raw, "https://") {
+		raw = "https://snap.mfcimg.com/" + strings.TrimLeft(raw, "/")
+	}
+
+	u, err := url.Parse(raw)
+	if err != nil || u.Scheme == "" || u.Host == "" {
+		return raw
+	}
+
+	q := u.Query()
+	q.Set("no-cache", strconv.FormatInt(time.Now().UnixNano(), 10))
+	u.RawQuery = q.Encode()
+
+	return u.String()
+}
+
+func buildMFCSnapimgURL(serverID string, rawUserID int) string {
+	serverID = strings.TrimSpace(serverID)
+	if serverID == "" || rawUserID <= 0 {
+		return ""
+	}
+
+	return normalizeMFCSnapURL(fmt.Sprintf(
+		"https://snap.mfcimg.com/snapimg/%s/853x480/mfc_%d",
+		serverID,
+		rawUserID,
+	))
+}
+
+func (m *MyFreeCams) PreviewImageURL() string {
+	if s := strings.TrimSpace(m.SnapURL); s != "" {
+		return s
+	}
+	return strings.TrimSpace(m.AvatarURL)
+}
+
 func mfcDigitsOnly(s string) string {
 	var b strings.Builder
 	for _, r := range strings.TrimSpace(s) {
@@ -320,6 +373,7 @@ func (m *MyFreeCams) GetStatus(ctx context.Context, userAgent string) (Status, e
 		return StatusNotExist, nil
 	}
 
+	m.RawUserID = data.Result.User.ID
 	m.AvatarURL = strings.TrimSpace(data.Result.User.Avatar)
 
 	if len(data.Result.User.Sessions) == 0 {
@@ -333,6 +387,12 @@ func (m *MyFreeCams) GetStatus(ctx context.Context, userAgent string) (Status, e
 		return StatusUnknown, appErrorf("mfc: server_name ohne server-id: %q", sess.ServerName)
 	}
 
+	m.SnapURL = buildMFCSnapimgURL(serverID, data.Result.User.ID)
+
+	if strings.TrimSpace(m.SnapURL) == "" && strings.TrimSpace(sess.SnapURL) != "" {
+		m.SnapURL = normalizeMFCSnapURL(sess.SnapURL)
+	}
+
 	modelID := data.Result.User.ID
 	if modelID < 100000000 {
 		modelID += 100000000