Add AI connectivity check endpoint: GET /admin/api/ai/connectivity

app/routers/admin_ai.py

@@ -318,3 +318,61 @@ async def update_runtime_config(
         is_overridden=True,
         message=f"Fournisseur changé à {state['provider']}, modèle {state['model']}",
     )
+
+
+# ─────────────────────────────────────────────────────────────
+# GET /admin/api/ai/connectivity  —  test réseau vers les API AI
+# ─────────────────────────────────────────────────────────────
+
+@router.get("/connectivity")
+async def check_ai_connectivity():
+    """Vérifie la connectivité réseau vers OpenRouter et Gemini."""
+    results = {}
+
+    # Test OpenRouter
+    t0 = time.time()
+    try:
+        async with httpx.AsyncClient(timeout=httpx.Timeout(10, connect=5)) as client:
+            resp = await client.get(
+                "https://openrouter.ai/api/v1/models",
+                headers={"Authorization": f"Bearer {settings.OPENROUTER_API_KEY}"} if settings.OPENROUTER_API_KEY else {},
+            )
+            results["openrouter"] = {
+                "reachable": True,
+                "status": resp.status_code,
+                "latency_ms": round((time.time() - t0) * 1000, 1),
+                "has_key": bool(settings.OPENROUTER_API_KEY),
+            }
+    except Exception as e:
+        results["openrouter"] = {
+            "reachable": False,
+            "error": str(e)[:200],
+            "latency_ms": round((time.time() - t0) * 1000, 1),
+            "has_key": bool(settings.OPENROUTER_API_KEY),
+        }
+
+    # Test Gemini
+    t0 = time.time()
+    try:
+        async with httpx.AsyncClient(timeout=httpx.Timeout(10, connect=5)) as client:
+            resp = await client.get("https://generativelanguage.googleapis.com")
+            results["gemini"] = {
+                "reachable": True,
+                "status": resp.status_code,
+                "latency_ms": round((time.time() - t0) * 1000, 1),
+                "has_key": bool(settings.GEMINI_API_KEY),
+            }
+    except Exception as e:
+        results["gemini"] = {
+            "reachable": False,
+            "error": str(e)[:200],
+            "latency_ms": round((time.time() - t0) * 1000, 1),
+            "has_key": bool(settings.GEMINI_API_KEY),
+        }
+
+    return {
+        "results": results,
+        "ai_enabled": settings.AI_ENABLED,
+        "ai_provider": runtime_ai_config.provider or settings.AI_PROVIDER,
+        "ai_request_timeout": settings.AI_REQUEST_TIMEOUT,
+    }