added the /files view and auth for api and files

app/frontend.py

@@ -1,16 +1,37 @@
 # app/frontend.py
 import os
 from pathlib import Path
-from fastapi import APIRouter, Request
+from fastapi import APIRouter, Request, Depends
 from fastapi.templating import Jinja2Templates
+from sqlalchemy.orm import Session
+
 from app.auth import require_login
+from app.database import SessionLocal
 
 router = APIRouter()
 
-# Point templates_dir to "frontend/templates"
 templates_dir = Path(__file__).parent.parent / "frontend" / "templates"
 templates = Jinja2Templates(directory=str(templates_dir))
 
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+@router.get("/files")
+@require_login
+def files_page(request: Request):
+    """
+    Return the 'files.html' template. 
+    The actual file data is fetched via XHR from /api/files in the template.
+    """
+    return templates.TemplateResponse("files.html", {"request": request})
+
+# ... existing routes for /, /upload, /about, etc. ...
+
+
 @router.get("/", include_in_schema=False)
 async def serve_index(request: Request):
      return templates.TemplateResponse("index.html", {"request": request})