feat: enhance FTP configuration with TLS options and update documentation

Enhanced OneDrive workflow and tested

app/frontend.py

@@ -4,6 +4,7 @@ from fastapi.templating import Jinja2Templates
 from pathlib import Path
 from sqlalchemy.orm import Session
 from datetime import datetime
+import logging
 
 from app.auth import require_login
 from app.database import SessionLocal
@@ -15,6 +16,9 @@ router = APIRouter()
 templates_dir = Path(__file__).parent.parent / "frontend" / "templates"
 templates = Jinja2Templates(directory=str(templates_dir))
 
+# Set up logging
+logger = logging.getLogger(__name__)
+
 def get_db():
     db = SessionLocal()
     try:
@@ -95,5 +99,63 @@ async def env_debug(request: Request):
         }
     )
 
-# Note: The frontend/router.py is now a submodule organization, 
-# but we're keeping this file for compatibility until we've fully migrated
+@router.get("/onedrive-setup")
+@require_login
+async def onedrive_setup_page(request: Request):
+    """
+    Setup page for the OneDrive integration.
+    Shows configuration status and setup instructions.
+    """
+    # Check OneDrive configuration
+    is_configured = bool(settings.onedrive_client_id and 
+                         settings.onedrive_client_secret and 
+                         settings.onedrive_refresh_token)
+    
+    # Get configuration values to display status (hide sensitive values)
+    return templates.TemplateResponse(
+        "onedrive.html",
+        {
+            "request": request,
+            "is_configured": is_configured,
+            "client_id": bool(settings.onedrive_client_id),
+            "client_id_value": settings.onedrive_client_id or "",  # Pass the actual value for the form
+            "client_secret": bool(settings.onedrive_client_secret),
+            "client_secret_value": settings.onedrive_client_secret if settings.onedrive_client_secret else "",
+            "tenant_id": settings.onedrive_tenant_id,
+            "refresh_token": bool(settings.onedrive_refresh_token),
+            "refresh_token_value": settings.onedrive_refresh_token if settings.onedrive_refresh_token else "",
+            "folder_path": settings.onedrive_folder_path or "Documents/Uploads"  # Default folder path
+        }
+    )
+
+@router.get("/onedrive-callback")
+@require_login
+async def onedrive_callback(request: Request, code: str = None, error: str = None):
+    """
+    Callback endpoint for OneDrive OAuth flow.
+    Now automatically exchanges the code for a token and saves it to the configuration.
+    """
+    if error:
+        return templates.TemplateResponse(
+            "onedrive_callback_error.html",
+            {"request": request, "error": error}
+        )
+    
+    if not code:
+        return templates.TemplateResponse(
+            "onedrive_callback_error.html",
+            {"request": request, "error": "No authorization code received from Microsoft"}
+        )
+    
+    # Display the processing page with automatic token exchange
+    return templates.TemplateResponse(
+        "onedrive_callback.html",
+        {
+            "request": request, 
+            "code": code,
+            "client_id_value": settings.onedrive_client_id or "",
+            "client_secret_value": settings.onedrive_client_secret or "",
+            "tenant_id": settings.onedrive_tenant_id or "common"
+        }
+    )
+