fixed, message send in bridge und android app send file

bridge/aria_bridge.py

@@ -896,7 +896,7 @@ class ARIABridge:
         """Sendet Heartbeats an den RVS damit die Verbindung offen bleibt."""
         while True:
             await asyncio.sleep(25)
-            if self.ws_rvs and self.ws_rvs.open:
+            if self.ws_rvs:
                 try:
                     await self.ws_rvs.send(json.dumps({
                         "type": "heartbeat",
@@ -1146,13 +1146,13 @@ class ARIABridge:
 
     async def _send_to_rvs(self, message: dict) -> None:
         """Sendet eine Nachricht an die App (via RVS)."""
-        if self.ws_rvs is None or not self.ws_rvs.open:
+        if self.ws_rvs is None:
             return
 
         try:
             await self.ws_rvs.send(json.dumps(message))
         except Exception:
-            logger.exception("[rvs] Sendefehler")
+            logger.warning("[rvs] Sendefehler — RVS nicht erreichbar")
 
     # ── Log-Streaming an die App ─────────────────────────────