- Modified exception handlers in app/main.py to check if request path starts with /api/
- HTTPException handler returns JSON for API routes, HTML for frontend routes
- General exception handler (500) also checks and returns appropriate format
- Enhanced frontend deleteFile() to handle non-JSON responses gracefully
- Added content-type checking before parsing JSON
- Added comprehensive tests for API error handling
Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>