fix: add voice status endpoint stub and guard VRAM division by zero

dream-server/extensions/services/dashboard-api/main.py

@@ -81,7 +81,7 @@ def set(self, key: str, value: object, ttl: float):
 _SERVICE_POLL_INTERVAL = 10.0  # background health check interval
 
 # --- Router imports ---
-from routers import workflows, features, setup, updates, agents, privacy, extensions, gpu as gpu_router, resources
+from routers import workflows, features, setup, updates, agents, privacy, extensions, gpu as gpu_router, resources, voice
 
 logger = logging.getLogger(__name__)
 
@@ -300,6 +300,7 @@ def get_allowed_origins():
 app.include_router(extensions.router)
 app.include_router(gpu_router.router)
 app.include_router(resources.router)
+app.include_router(voice.router)
 
 
 # ================================================================

dream-server/extensions/services/dashboard-api/routers/voice.py

@@ -0,0 +1,55 @@
+"""Voice services status endpoint (stub)."""
+
+import logging
+
+from fastapi import APIRouter, Depends
+
+from security import verify_api_key
+
+logger = logging.getLogger(__name__)
+
+router = APIRouter(tags=["voice"])
+
+
+@router.get("/api/voice/status")
+async def voice_status(api_key: str = Depends(verify_api_key)):
+    """Return voice services availability status.
+
+    Stub implementation — returns service health based on the existing
+    service health infrastructure. Full voice API is not yet implemented.
+    """
+    from helpers import check_service_health
+    from config import SERVICES
+
+    services_status = {}
+    for svc_key, display_name in [("whisper", "stt"), ("tts", "tts")]:
+        cfg = SERVICES.get(svc_key)
+        if cfg:
+            try:
+                result = await check_service_health(svc_key, cfg)
+                services_status[display_name] = {"status": result.status}
+            except Exception:
+                logger.warning("Health check failed for %s", svc_key)
+                services_status[display_name] = {"status": "unavailable"}
+        else:
+            services_status[display_name] = {"status": "not_configured"}
+
+    # LiveKit is optional and not in SERVICES by default
+    livekit_cfg = SERVICES.get("livekit")
+    if livekit_cfg:
+        try:
+            result = await check_service_health("livekit", livekit_cfg)
+            services_status["livekit"] = {"status": result.status}
+        except Exception:
+            logger.warning("Health check failed for livekit")
+            services_status["livekit"] = {"status": "unavailable"}
+    else:
+        services_status["livekit"] = {"status": "not_configured"}
+
+    all_healthy = all(s.get("status") == "healthy" for s in services_status.values())
+
+    return {
+        "available": all_healthy,
+        "services": services_status,
+        "message": "All voice services operational" if all_healthy else "Some voice services unavailable",
+    }

dream-server/extensions/services/dashboard/src/pages/Dashboard.jsx

@@ -263,7 +263,7 @@ export default function Dashboard({ status, loading }) {
         label: 'VRAM',
         value: `${status.gpu.vramUsed.toFixed(1)} GB`,
         subvalue: `of ${status.gpu.vramTotal} GB`,
-        percent: (status.gpu.vramUsed / status.gpu.vramTotal) * 100,
+        percent: status.gpu.vramTotal > 0 ? (status.gpu.vramUsed / status.gpu.vramTotal) * 100 : 0,
       })
     }
   }

dream-server/extensions/services/dashboard/src/pages/Models.jsx

@@ -69,10 +69,10 @@ export default function Models() {
           <div className="h-2 bg-theme-border rounded-full overflow-hidden">
             <div 
               className={`h-full rounded-full transition-all ${
-                (gpu.vramUsed / gpu.vramTotal) > 0.9 ? 'bg-red-500' :
-                (gpu.vramUsed / gpu.vramTotal) > 0.7 ? 'bg-yellow-500' : 'bg-theme-accent'
+                (gpu.vramTotal > 0 ? gpu.vramUsed / gpu.vramTotal : 0) > 0.9 ? 'bg-red-500' :
+                (gpu.vramTotal > 0 ? gpu.vramUsed / gpu.vramTotal : 0) > 0.7 ? 'bg-yellow-500' : 'bg-theme-accent'
               }`}
-              style={{ width: `${(gpu.vramUsed / gpu.vramTotal) * 100}%` }} 
+              style={{ width: `${gpu.vramTotal > 0 ? (gpu.vramUsed / gpu.vramTotal) * 100 : 0}%` }} 
             />
           </div>
           <p className="text-xs text-theme-text-muted mt-2">