chore: make sure that there is only one app

src/server/fastapi_app.py

@@ -7,7 +7,6 @@ integration.
 """
 from contextlib import asynccontextmanager
 from pathlib import Path
-from typing import Optional
 
 import uvicorn
 from fastapi import FastAPI, HTTPException, Request
@@ -17,7 +16,6 @@ from fastapi.staticfiles import StaticFiles
 from src.config.settings import settings
 
 # Import core functionality
-from src.core.SeriesApp import SeriesApp
 from src.infrastructure.logging import setup_logging
 from src.server.api.anime import router as anime_router
 from src.server.api.auth import router as auth_router
@@ -69,20 +67,6 @@ async def lifespan(app: FastAPI):
         except Exception as e:
             logger.warning("Failed to load config from config.json: %s", e)
         
-        # Initialize SeriesApp with configured directory and store it on
-        # application state so it can be injected via dependencies.
-        if settings.anime_directory:
-            app.state.series_app = SeriesApp(settings.anime_directory)
-            logger.info(
-                "SeriesApp initialized with directory: %s",
-                settings.anime_directory
-            )
-        else:
-            # Log warning when anime directory is not configured
-            logger.warning(
-                "ANIME_DIRECTORY not configured. "
-                "Some features may be unavailable."
-            )
         
         # Initialize progress service with websocket callback
         progress_service = get_progress_service()
@@ -116,15 +100,6 @@ async def lifespan(app: FastAPI):
     logger.info("FastAPI application shutting down")
 
 
-def get_series_app() -> Optional[SeriesApp]:
-    """Dependency to retrieve the SeriesApp instance from application state.
-
-    Returns None when the application wasn't configured with an anime
-    directory (for example during certain test runs).
-    """
-    return getattr(app.state, "series_app", None)
-
-
 # Initialize FastAPI app with lifespan
 app = FastAPI(
     title="Aniworld Download Manager",