feat(agent-office): service_proxy insta_ranked/insta_decision

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

agent-office/app/service_proxy.py

@@ -228,6 +228,26 @@ async def insta_put_preferences(weights: Dict[str, float]) -> Dict[str, Any]:
     return resp.json()
 
 
+async def insta_ranked(threshold: float = 0.6, limit: int = 20) -> list:
+    async with httpx.AsyncClient(timeout=120) as client:
+        r = await client.get(
+            f"{INSTA_LAB_URL}/api/insta/keywords/ranked",
+            params={"threshold": threshold, "limit": limit},
+        )
+        r.raise_for_status()
+        return r.json()["items"]
+
+
+async def insta_decision(slate_id: int, decision: str) -> dict:
+    async with httpx.AsyncClient(timeout=30) as client:
+        r = await client.post(
+            f"{INSTA_LAB_URL}/api/insta/slates/{slate_id}/decision",
+            json={"decision": decision},
+        )
+        r.raise_for_status()
+        return r.json()
+
+
 # --- realestate-lab ---
 
 async def realestate_collect() -> Dict[str, Any]: