feat: ship persistent ai playground and alerts foundation

backend/app/api/v1/ai.py

@@ -8,12 +8,25 @@ from app.db.session import get_db
 from app.models.user import User
 from app.schemas.ai import (
     AIProviderStatusResponse,
+    AlertBriefRequest,
+    AlertBriefResponse,
     BGPBriefRequest,
     BGPBriefRecordResponse,
     BGPBriefRecordSummary,
+    PlaygroundMessageActionResponse,
+    PlaygroundMessageCreateRequest,
+    PlaygroundMessageEditRequest,
+    PlaygroundMessageResendRequest,
+    PlaygroundMessageStopRequest,
+    PlaygroundSessionResponse,
+    PlaygroundSessionUpsertRequest,
+    PlaygroundThreadResponse,
+    SituationalAlertBriefRequest,
+    SituationalAlertBriefResponse,
     SituationalAnalysisRequest,
     SituationalAnalysisResponse,
 )
+from app.services.alert_ai_brief import build_alert_brief_request
 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 (
@@ -22,6 +35,18 @@ from app.services.bgp_ai_brief_store import (
     list_bgp_brief_records,
     save_bgp_brief_record,
 )
+from app.services.playground_session_store import (
+    get_playground_session,
+    upsert_playground_session,
+)
+from app.services.playground_chat_service import (
+    create_turn,
+    edit_user_message,
+    get_thread,
+    resend_turn,
+    stop_message,
+)
+from app.services.situational_alert_ai_brief import build_situational_alert_brief_request
 
 router = APIRouter()
 
@@ -51,6 +76,101 @@ async def analyze_situational_awareness(
     return await provider_client.analyze(payload, request_id=request_id)
 
 
+@router.get("/playground/thread", response_model=PlaygroundThreadResponse | None)
+async def get_playground_thread(
+    session_key: str = "default",
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    return await get_thread(
+        db,
+        user_id=current_user.id,
+        session_key=session_key,
+    )
+
+
+@router.get("/playground/session", response_model=PlaygroundSessionResponse | None)
+async def get_saved_playground_session(
+    session_key: str = "default",
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    return await get_playground_session(
+        db,
+        user_id=current_user.id,
+        session_key=session_key,
+    )
+
+
+@router.put("/playground/session", response_model=PlaygroundSessionResponse)
+async def save_playground_session(
+    payload: PlaygroundSessionUpsertRequest,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    return await upsert_playground_session(
+        db,
+        user_id=current_user.id,
+        payload=payload,
+    )
+
+
+@router.post("/playground/messages", response_model=PlaygroundMessageActionResponse)
+async def create_playground_message(
+    payload: PlaygroundMessageCreateRequest,
+    current_user: User = Depends(get_current_user),
+    provider_client: AIProviderClient = Depends(get_ai_provider_client),
+    db: AsyncSession = Depends(get_db),
+):
+    return await create_turn(
+        db,
+        user_id=current_user.id,
+        payload=payload,
+        provider_client=provider_client,
+    )
+
+
+@router.post("/playground/messages/stop", response_model=PlaygroundMessageActionResponse)
+async def stop_playground_message(
+    payload: PlaygroundMessageStopRequest,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    return await stop_message(
+        db,
+        user_id=current_user.id,
+        payload=payload,
+    )
+
+
+@router.post("/playground/messages/resend", response_model=PlaygroundMessageActionResponse)
+async def resend_playground_message(
+    payload: PlaygroundMessageResendRequest,
+    current_user: User = Depends(get_current_user),
+    provider_client: AIProviderClient = Depends(get_ai_provider_client),
+    db: AsyncSession = Depends(get_db),
+):
+    return await resend_turn(
+        db,
+        user_id=current_user.id,
+        payload=payload,
+        provider_client=provider_client,
+    )
+
+
+@router.post("/playground/messages/edit", response_model=PlaygroundMessageActionResponse)
+async def edit_playground_message(
+    payload: PlaygroundMessageEditRequest,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    return await edit_user_message(
+        db,
+        user_id=current_user.id,
+        payload=payload,
+    )
+
+
 @router.get("/bgp/briefs", response_model=list[BGPBriefRecordSummary])
 async def list_saved_bgp_briefs(
     current_user: User = Depends(get_current_user),
@@ -88,7 +208,7 @@ async def analyze_bgp_brief(
     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(
+    brief_request, facts, context = await build_bgp_brief_request(
         db,
         incident_limit=payload.incident_limit,
         anomaly_limit=payload.anomaly_limit,
@@ -98,4 +218,64 @@ async def analyze_bgp_brief(
     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)
+    return save_bgp_brief_record(
+        analysis,
+        request_id=request_id,
+        facts=facts,
+        context=context,
+    )
+
+
+@router.post("/alerts/brief", response_model=AlertBriefResponse)
+async def analyze_alert_brief(
+    payload: AlertBriefRequest,
+    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, facts, context = await build_alert_brief_request(
+        db,
+        alert_limit=payload.alert_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 AlertBriefResponse(
+        **analysis.model_dump(),
+        title=brief_request.title,
+        objective=brief_request.objective,
+        facts=facts,
+        context=context,
+    )
+
+
+@router.post("/situational-alerts/brief", response_model=SituationalAlertBriefResponse)
+async def analyze_situational_alert_brief(
+    payload: SituationalAlertBriefRequest,
+    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, facts, context = await build_situational_alert_brief_request(db)
+    brief_request.preferred_model = payload.preferred_model
+    brief_request.thinking = payload.thinking
+
+    analysis = await provider_client.analyze(brief_request, request_id=request_id)
+    return SituationalAlertBriefResponse(
+        **analysis.model_dump(),
+        title=brief_request.title,
+        objective=brief_request.objective,
+        facts=facts,
+        context=context,
+    )

backend/app/api/v1/alerts.py

@@ -1,7 +1,7 @@
 from datetime import UTC, datetime
 from typing import Optional
 
-from fastapi import APIRouter, Depends
+from fastapi import APIRouter, Depends, HTTPException
 from sqlalchemy import select, func, case
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -9,6 +9,7 @@ from app.db.session import get_db
 from app.models.user import User
 from app.core.security import get_current_user
 from app.models.alert import Alert, AlertSeverity, AlertStatus
+from app.schemas.alert import AlertResolutionRequest
 
 
 router = APIRouter()
@@ -77,7 +78,7 @@ async def acknowledge_alert(
 @router.post("/{alert_id}/resolve")
 async def resolve_alert(
     alert_id: int,
-    resolution: str,
+    payload: AlertResolutionRequest,
     current_user: User = Depends(get_current_user),
     db: AsyncSession = Depends(get_db),
 ):
@@ -85,12 +86,12 @@ async def resolve_alert(
     alert = result.scalar_one_or_none()
 
     if not alert:
-        return {"error": "Alert not found"}
+        raise HTTPException(status_code=404, detail="Alert not found")
 
     alert.status = AlertStatus.RESOLVED
     alert.resolved_by = current_user.id
     alert.resolved_at = datetime.now(UTC)
-    alert.resolution_notes = resolution
+    alert.resolution_notes = payload.resolution
     await db.commit()
 
     return {"message": "Alert resolved", "alert": alert.to_dict()}

backend/app/api/v1/dashboard.py

@@ -2,7 +2,7 @@
 
 from datetime import UTC, datetime, timedelta
 from fastapi import APIRouter, Depends
-from sqlalchemy import select, func, text
+from sqlalchemy import case, select, func, text
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from app.db.session import get_db