feat(collector): add websocket

services/collector/ws_app.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+"""FastAPI WebSocket endpoint for live audio streaming."""
+
+from __future__ import annotations
+
+from fastapi import FastAPI, WebSocket, WebSocketDisconnect
+
+from ws_manager import ConnectionManager
+
+app = FastAPI(title="Audio Analyzer WebSocket")
+manager = ConnectionManager()
+
+
+@app.get("/health")
+async def health() -> dict[str, str]:
+    """Health check endpoint."""
+    return {"status": "ok"}
+
+
+@app.websocket("/ws/live")
+async def ws_live(websocket: WebSocket) -> None:
+    """WebSocket endpoint for real-time audio data streaming."""
+    await manager.connect(websocket)
+    try:
+        while True:
+            # Keep connection alive
+            await websocket.receive_text()
+    except WebSocketDisconnect:
+        pass
+    except Exception:
+        pass
+    finally:
+        await manager.disconnect(websocket)