1. Home page file drop now shows quick-action tool selector
2. Auth disabled by default in dev (Docker still defaults to true)
3. Tool settings wrapped in forms - Enter key triggers processing
- Register @fastify/multipart plugin with size limits from env config
- Workspace manager: createWorkspace, getWorkspacePath, cleanupWorkspace
- File validation: magic byte detection, format check, megapixel limit
- POST /api/v1/upload: multipart upload with validation, returns jobId + file metadata
- GET /api/v1/download/:jobId/:filename: serve files with Content-Disposition
- Path traversal guards on all file-serving endpoints
- Add @stirling-image/image-engine and sharp as API dependencies
- Add apiUpload, getDownloadUrl, apiDownloadBlob to web client