v1.1.0

Added

• FastAPI-based API server (cli/api.py) exposing core Flow Agent features over HTTP/HTTPS.
• Integration Test Script (test_api.py) verifying health, T2I, I2I, upload, I2V, and V2V edit.
• Troubleshooting Guide (error.md) for port clearance, sandbox bypasses, and extension connection issues.
• Proxy Fallback: Graceful handling of image download failures in proxies, returning raw remote URLs instead.