jean-router: detection PC via TCP connect au lieu de HTTP

- TCP connect vers 8090 ou 11434 (pas de requete HTTP)
- ConnectionRefused = PC allume (service down)
- Timeout = PC eteint → WoL
- Plus de spam HTTP vers un serveur bloque

jean-router/app.py

@@ -133,24 +133,23 @@ def send_wol():
 
 
 def jean_alive() -> bool:
-    """Verifie si le PC gaming est accessible (Jean ou Ollama)"""
+    """Verifie si le PC gaming est allume (TCP connect vers Jean ou Ollama)"""
     now = time.time()
     if now - jean_alive_cache["timestamp"] < 2:
         return jean_alive_cache["alive"]
 
     alive = False
+    for port in [JEAN_WEB_PORT, OLLAMA_DIRECT_PORT]:
         try:
-        r = requests.get(f"http://{JEAN_WEB_HOST}:{JEAN_WEB_PORT}/api/presets", timeout=3)
-        alive = r.ok
-    except Exception:
-        pass
-
-    if not alive:
-        try:
-            r = requests.get(f"http://{OLLAMA_DIRECT_HOST}:{OLLAMA_DIRECT_PORT}/api/version", timeout=2)
-            alive = r.ok
-        except Exception:
-            pass
+            sock = socket.create_connection((JEAN_WEB_HOST, port), timeout=2)
+            sock.close()
+            alive = True
+            break
+        except ConnectionRefusedError:
+            alive = True  # PC on, service down
+            break
+        except (socket.timeout, OSError):
+            continue  # PC off ou inaccessible
 
     jean_alive_cache["alive"] = alive
     jean_alive_cache["timestamp"] = now