refactored import paths in backend for consistency and maintainability

backend/app/database.py

@@ -5,7 +5,7 @@ from contextlib import contextmanager
 from pathlib import Path
 from typing import Iterator
 
-from backend.app.config import (
+from .config import (
     ARTICLE_FETCH_TIMEOUT,
     CRON_HOURS,
     DB_PATH,

backend/app/main.py

@@ -24,7 +24,7 @@ from fastapi import Depends, FastAPI, HTTPException, Response, status
 from fastapi.staticfiles import StaticFiles
 from starlette.responses import JSONResponse
 
-from backend.app.config import (
+from .config import (
     CRON_HOURS,
     LLM_MODEL,
     MIN_CRON_HOURS,
@@ -34,8 +34,8 @@ from backend.app.config import (
     frontend_path,
     logger,
 )
-from backend.app.database import get_db, get_db_write
-from backend.app.models import (
+from .database import get_db, get_db_write
+from .models import (
     CronSettings,
     ErrorResponse,
     FeedData,
@@ -44,7 +44,7 @@ from backend.app.models import (
     SuccessResponse,
     TimestampResponse,
 )
-from backend.app.services import NewsFetcher
+from .services import NewsFetcher
 
 app = FastAPI(
     title="Owly News Summariser",