feat(agent-office): realestate on_new_matches + /notify endpoint

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

agent-office/app/main.py

@@ -180,3 +180,22 @@ def conversation_stats(days: int = 7):
 @app.get("/api/agent-office/activity")
 def activity_feed(limit: int = 50, offset: int = 0):
     return get_activity_feed(limit, offset)
+
+
+# --- Realestate Agent Push Endpoint ---
+
+from pydantic import BaseModel
+from typing import List, Dict, Any
+
+
+class RealestateNotifyBody(BaseModel):
+    matches: List[Dict[str, Any]]
+
+
+@app.post("/api/agent-office/realestate/notify")
+async def realestate_notify(body: RealestateNotifyBody):
+    agent = get_agent("realestate")
+    if agent is None:
+        from fastapi import HTTPException
+        raise HTTPException(status_code=503, detail="RealestateAgent not initialized")
+    return await agent.on_new_matches(body.matches)