TV station tabs + per-station Nextcloud upload target

User feedback: 'Sarah Connor in Abracadabra grejo v ONE DE, ne v FOLX SLO.
Naredi zavihke za vsako TV postajo (FOLX SLO, FOLX DE, ONE DE, ZWEI MUSIC, ADRIA)
in upload gre v ustrezno Nextcloud podmapo.'

Backend changes:
- StartJobIn + YouTubeJobIn: nov field 'tv_station' (default 'FOLX SLOVENIJA')
- update_job: shrani tv_station v job JSON
- POST /api/jobs/{id}/upload-nextcloud:
  bere tv_station iz job, target_subdir = folxspeed/REELS/{station}

Frontend changes:
- 5 TV station tabs: FOLX SLOVENIJA (active), FOLX DE, ONE DE, ZWEI MUSIC, ADRIA
- Hidden input #tv-station-input drži current selection
- Klik na tab ga aktivira (accent color)
- collectSettings() vključuje tv_station

Manual fix: Sarah Connor in Abracadabra job.json popravljena → tv_station=ONE DE
Reset njihovih nextcloud_* polj da bo upload v pravo mapo.

app/main.py

@@ -1008,6 +1008,7 @@ class YouTubeJobIn(BaseModel):
     subtitle_style: str = "reels"
     whisper_model: str = "large-v3"
     quality: str = "medium"
+    tv_station: str = "FOLX SLOVENIJA"  # za Nextcloud target mapo
 
 
 class StartJobIn(BaseModel):
@@ -1031,6 +1032,8 @@ class StartJobIn(BaseModel):
     whisper_provider: str = "auto"  # auto / elevenlabs / local
     # Batch tracking za multi-upload (Telegram summary)
     batch_id: Optional[str] = None
+    # TV postaja — določa Nextcloud target mapo
+    tv_station: str = "FOLX SLOVENIJA"
 
 
 # ────────────────────────────────────────────────────────────────
@@ -1160,6 +1163,7 @@ async def start_processing(
         llm_model=payload.llm_model,
         whisper_provider=payload.whisper_provider,
         batch_id=payload.batch_id,
+        tv_station=payload.tv_station,
         current_step="V vrsti za obdelavo",
         # Počisti pretekle napake (retry-friendly)
         chorus_error=None,
@@ -1592,7 +1596,7 @@ def _nextcloud_upload(local_path: str, remote_filename: str, target_subdir: str
 
 @app.post("/api/jobs/{job_id}/upload-nextcloud")
 async def upload_nextcloud(job_id: str, user: str = Depends(check_auth)):
-    """Naloži dokončan reel na Nextcloud /folxspeed/REELS/FOLX SLOVENIJA/."""
+    """Naloži dokončan reel na Nextcloud /folxspeed/REELS/{TV STATION}/."""
     if not _nextcloud_configured():
         raise HTTPException(500, "Nextcloud ni konfiguriran (manjka env vars)")
     
@@ -1613,13 +1617,17 @@ async def upload_nextcloud(job_id: str, user: str = Depends(check_auth)):
     # Lepo ime datoteke
     download_name = build_download_filename(job)
     
-    print(f"☁️ Uploading {output_path} → Nextcloud as {download_name}", flush=True)
-    success, result = _nextcloud_upload(output_path, download_name)
+    # TV postaja določa target mapo
+    tv_station = job.get("tv_station", "FOLX SLOVENIJA")
+    target_subdir = f"folxspeed/REELS/{tv_station}"
+    
+    print(f"☁️ Uploading {output_path} → Nextcloud /{target_subdir}/{download_name}", flush=True)
+    success, result = _nextcloud_upload(output_path, download_name, target_subdir=target_subdir)
     
     if success:
         update_job(job_id, nextcloud_status="uploaded", nextcloud_url=result, nextcloud_error=None)
-        print(f"☁️ Upload OK: {download_name}", flush=True)
-        return {"ok": True, "url": result, "filename": download_name}
+        print(f"☁️ Upload OK: /{target_subdir}/{download_name}", flush=True)
+        return {"ok": True, "url": result, "filename": download_name, "tv_station": tv_station}
     else:
         update_job(job_id, nextcloud_status="error", nextcloud_error=result)
         raise HTTPException(500, f"Upload failed: {result}")