feat: add api and mcp

backend/src/api/routers/backfill.py

@@ -7,9 +7,9 @@ from dishka.integrations.fastapi import DishkaRoute, FromDishka
 from fastapi import APIRouter, HTTPException, Query
 from pydantic import BaseModel
 
-router = APIRouter(prefix="/api", tags=["backfill"], route_class=DishkaRoute)
+from utils.jobs import enqueue
 
-JOBS_CHANGED_CHANNEL = "jobs_changed"
+router = APIRouter(prefix="/api", tags=["backfill"], route_class=DishkaRoute)
 
 
 class BackfillRequest(BaseModel):
@@ -52,25 +52,11 @@ def _to_view(row: asyncpg.Record) -> JobView:
     return JobView(**data)
 
 
-async def _enqueue(
-    pool: asyncpg.Pool, account_id: int, kind: str, params: dict[str, Any]
-) -> int:
-    job_id = await pool.fetchval(
-        "INSERT INTO jobs (account_id, kind, params) "
-        "VALUES ($1, $2, $3::jsonb) RETURNING id",
-        account_id,
-        kind,
-        json.dumps(params),
-    )
-    await pool.execute(f"NOTIFY {JOBS_CHANGED_CHANNEL}")
-    return job_id
-
-
 @router.post("/backfill", status_code=201)
 async def enqueue_backfill(
     pool: FromDishka[asyncpg.Pool], body: BackfillRequest
 ) -> EnqueueResponse:
-    job_id = await _enqueue(
+    job_id = await enqueue(
         pool,
         body.account_id,
         "backfill",
@@ -83,7 +69,7 @@ async def enqueue_backfill(
 async def enqueue_fetch_media(
     pool: FromDishka[asyncpg.Pool], body: FetchMediaRequest
 ) -> EnqueueResponse:
-    job_id = await _enqueue(
+    job_id = await enqueue(
         pool,
         body.account_id,
         "fetch_media",