feat: Problems API, ingest hook, and UI

backend/app/api/v1/events.py

@@ -13,6 +13,7 @@ from app.database import get_db
 from app.models import Event, Host
 from app.schemas.list_models import EventDetail, EventListResponse, EventSummary
 from app.services.ingest import ingest_event
+from app.services.problems import maybe_create_problem
 from app.services.schema_validate import validate_event_payload
 
 router = APIRouter(prefix="/events", tags=["events"])
@@ -23,6 +24,7 @@ class IngestResponse(BaseModel):
     event_id: str
     created: bool
     sac_event_url: str
+    problem_id: int | None = None
 
 
 @router.post("", status_code=202, response_model=IngestResponse)
@@ -36,6 +38,9 @@ def post_event(
         raise HTTPException(status_code=422, detail={"schema_errors": errors[:20]})
 
     event, created = ingest_event(db, payload)
+    problem = None
+    if created:
+        problem = maybe_create_problem(db, event)
     db.commit()
 
     settings = get_settings()
@@ -45,6 +50,7 @@ def post_event(
         event_id=event.event_id,
         created=created,
         sac_event_url=f"{base}/api/v1/events/{event.id}",
+        problem_id=problem.id if problem else None,
     )