fix: ship persistent bgp ai briefs and optimize bgp queries

backend/app/api/v1/ai.py

@@ -1,15 +1,27 @@
 from uuid import uuid4
 
-from fastapi import APIRouter, Depends, Request, Response
+from fastapi import APIRouter, Depends, HTTPException, Request, Response
+from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.core.security import get_current_user
+from app.db.session import get_db
 from app.models.user import User
 from app.schemas.ai import (
     AIProviderStatusResponse,
+    BGPBriefRequest,
+    BGPBriefRecordResponse,
+    BGPBriefRecordSummary,
     SituationalAnalysisRequest,
     SituationalAnalysisResponse,
 )
 from app.services.ai_client import AIProviderClient, get_ai_provider_client
+from app.services.bgp_ai_brief import build_bgp_brief_request
+from app.services.bgp_ai_brief_store import (
+    get_bgp_brief_record,
+    get_latest_bgp_brief_record,
+    list_bgp_brief_records,
+    save_bgp_brief_record,
+)
 
 router = APIRouter()
 
@@ -37,3 +49,53 @@ async def analyze_situational_awareness(
     request_id = request.headers.get("X-Request-ID") or str(uuid4())
     response.headers["X-Request-ID"] = request_id
     return await provider_client.analyze(payload, request_id=request_id)
+
+
+@router.get("/bgp/briefs", response_model=list[BGPBriefRecordSummary])
+async def list_saved_bgp_briefs(
+    current_user: User = Depends(get_current_user),
+):
+    return list_bgp_brief_records()
+
+
+@router.get("/bgp/briefs/latest", response_model=BGPBriefRecordResponse | None)
+async def get_latest_saved_bgp_brief(
+    current_user: User = Depends(get_current_user),
+):
+    return get_latest_bgp_brief_record()
+
+
+@router.get("/bgp/briefs/{brief_id}", response_model=BGPBriefRecordResponse)
+async def get_saved_bgp_brief(
+    brief_id: str,
+    current_user: User = Depends(get_current_user),
+):
+    record = get_bgp_brief_record(brief_id)
+    if record is None:
+        raise HTTPException(status_code=404, detail="BGP brief not found")
+    return record
+
+
+@router.post("/bgp/brief", response_model=BGPBriefRecordResponse)
+async def analyze_bgp_brief(
+    payload: BGPBriefRequest,
+    request: Request,
+    response: Response,
+    current_user: User = Depends(get_current_user),
+    provider_client: AIProviderClient = Depends(get_ai_provider_client),
+    db: AsyncSession = Depends(get_db),
+):
+    request_id = request.headers.get("X-Request-ID") or str(uuid4())
+    response.headers["X-Request-ID"] = request_id
+
+    brief_request = await build_bgp_brief_request(
+        db,
+        incident_limit=payload.incident_limit,
+        anomaly_limit=payload.anomaly_limit,
+        collector_limit=payload.collector_limit,
+    )
+    brief_request.preferred_model = payload.preferred_model
+    brief_request.thinking = payload.thinking
+
+    analysis = await provider_client.analyze(brief_request, request_id=request_id)
+    return save_bgp_brief_record(analysis, request_id=request_id)