Restore active sessions on startup

app/main.py

@@ -51,6 +51,7 @@ async def startup_event():
         orchestrator = AgentOrchestrator(
             loop_interval_seconds=settings.AGENT_LOOP_INTERVAL_SECONDS
         )
+        await orchestrator.restore_active_sessions()
         agent_loop_task = asyncio.create_task(agent_loop())
         logger.info("Application started successfully")
     except Exception as e:
@@ -143,6 +144,22 @@ async def get_ledger(session_id: str) -> dict:
     }
 
 
+@app.get("/admin/session/status")
+async def get_session_status(session_id: str) -> dict:
+    """Get status for an active stream session."""
+    if not orchestrator:
+        raise HTTPException(status_code=503, detail="Orchestrator not initialized")
+
+    status = await orchestrator.get_session_status(session_id)
+    if not status:
+        raise HTTPException(status_code=404, detail="Active session not found")
+
+    return {
+        **status,
+        "timestamp": datetime.utcnow().isoformat(),
+    }
+
+
 @app.get("/admin/loop/status")
 async def get_loop_status() -> dict:
     """Get the background agent loop runtime configuration."""