chore: remove old files

api/app.py

@@ -2,7 +2,7 @@
 
 import sentry_sdk
 
-from api.constants import DEPLOYMENT_MODE, ENABLE_TELEMETRY, REDIS_URL, SENTRY_DSN
+from api.constants import DEPLOYMENT_MODE, ENABLE_TELEMETRY, SENTRY_DSN
 from api.logging_config import ENVIRONMENT, setup_logging
 
 # Set up logging and get the listener for cleanup
@@ -21,62 +21,27 @@ if SENTRY_DSN and (
 
 
 from contextlib import asynccontextmanager
-from typing import Optional
 
-import redis.asyncio as aioredis
 from fastapi import APIRouter, FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from loguru import logger
 
 from api.routes.main import router as main_router
-from api.services.telephony.worker_event_subscriber import (
-    WorkerEventSubscriber,
-    setup_worker_subscriber,
-)
 from api.tasks.arq import get_arq_redis
 
 API_PREFIX = "/api/v1"
 
-# Global reference to worker subscriber for graceful shutdown
-worker_subscriber_instance: Optional[WorkerEventSubscriber] = None
-
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
-    global worker_subscriber_instance
-
     # warmup arq pool
     await get_arq_redis()
 
-    # Setup Redis connection for distributed mode
-    redis = await aioredis.from_url(REDIS_URL, decode_responses=True)
-
-    # Setup worker subscriber (ARI Manager runs separately)
-    worker_subscriber = await setup_worker_subscriber(redis)
-    worker_subscriber_instance = worker_subscriber
-
-    # Store worker ID in app state for health check
-    app.state.worker_id = worker_subscriber.worker_id
-    app.state.worker_subscriber = worker_subscriber
-
     yield  # Run app
 
     # Shutdown sequence - this runs when FastAPI is shutting down
     logger.info("Starting graceful shutdown...")
 
-    # First, try graceful shutdown with timeout
-    if worker_subscriber:
-        try:
-            # Check if we should do graceful shutdown (e.g., if SIGTERM was received)
-            # For now, we'll attempt graceful shutdown for all shutdowns
-            await worker_subscriber.graceful_shutdown(max_wait_seconds=300)
-        except Exception as e:
-            logger.error(f"Error during graceful shutdown: {e}")
-            # Fall back to immediate stop
-            await worker_subscriber.stop()
-
-    await redis.aclose()
-
 
 app = FastAPI(
     title="Dograh API",