v6 Phase A: Dashboard & Toolbar

- 'Dein Stack' zeigt echtes Modell (Dateiname) hinter coder/scout/vision.
- Top-News-Karte auf der Uebersicht (neben Stack).
- Toolbar-Update-Badges: /api/updates (OS via apt-Cache + Modell-Upgrades),
  klickbar -> Server bzw. News. compute_upgrades aus cookbook wiederverwendet.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

routers/cookbook.py

@@ -185,10 +185,8 @@ def _pick_gguf(repo: str, quant: str = "Q4_K_M") -> str | None:
     return (pref or nosplit or ggufs)[0]
 
 
-@router.get("/upgrades")
-def upgrades():
-    """Schlägt für installierte 'alte' Modelle ein aktuelleres vor (UPGRADES-Map)."""
-    ram_gb = psutil.virtual_memory().total / (1024 ** 3)
+def compute_upgrades(ram_gb):
+    """Liste relevanter Modell-Upgrades für die installierten Modelle (UPGRADES-Map)."""
     installed = (read_config().get("models") or {})
     out, seen = [], set()
     for up in UPGRADES:
@@ -210,7 +208,12 @@ def upgrades():
             "fit": evaluate_fit(up["params_b"], up["quant"], 8192, ram_gb),
             "optimal_ctx": max_ctx_for(up["params_b"], up["quant"], ram_gb),
         })
-    return {"upgrades": out}
+    return out
+
+
+@router.get("/upgrades")
+def upgrades():
+    return {"upgrades": compute_upgrades(psutil.virtual_memory().total / (1024 ** 3))}
 
 
 @router.post("/install-model")

routers/maintenance.py

@@ -72,6 +72,25 @@ def reboot(req: PwdReq):
         pass
     return {"ok": True, "note": "Reboot getriggert."}
 
+@router.get("/updates")
+def updates():
+    """Ausstehende Updates für die Toolbar: OS-Pakete (apt-Cache) + Modell-Upgrades."""
+    import psutil
+    from routers.cookbook import compute_upgrades
+    os_count = 0
+    try:
+        out = subprocess.run(
+            ["bash", "-c", "apt list --upgradable 2>/dev/null | grep -c upgradable || true"],
+            capture_output=True, text=True, timeout=10)
+        os_count = int((out.stdout or "0").strip() or 0)
+    except Exception:  # noqa: BLE001
+        os_count = 0
+    try:
+        models = len(compute_upgrades(psutil.virtual_memory().total / (1024 ** 3)))
+    except Exception:  # noqa: BLE001
+        models = 0
+    return {"os": os_count, "models": models}
+
 @router.websocket("/logs/{service}")
 async def stream_logs(websocket: WebSocket, service: str):
     await websocket.accept()