Extends conversion logic to handle Base64-encoded images (e.g., from clipboard).
Previously, unsupported formats like HEIC/RAW/PSD in Base64 form bypassed
the conversion check and caused failures at multimodal-looker agent.
Changes:
- Add convertBase64ImageToJpeg() function in image-converter.ts
- Save Base64 data to temp file, convert, read back as Base64
- Update tools.ts to check and convert Base64 images when needed
- Ensure proper cleanup of all temporary files
Testing:
- All tests pass (29/29)
- Verified with 1.7MB HEIC file converted from Base64
- Type checking passes
Adds automatic conversion of unsupported image formats (HEIC, HEIF, RAW, PSD)
to JPEG before sending to multimodal-looker agent.
Changes:
- Add image-converter.ts module with format detection and conversion
- Modify look_at tool to auto-convert unsupported formats
- Extend mime-type-inference.ts to support 15+ additional formats
- Use sips (macOS) and ImageMagick (Linux/Windows) for conversion
- Add proper cleanup of temporary files
Fixes#722
Testing:
- All existing tests pass (29/29)
- TypeScript type checking passes
- Verified HEIC to JPEG conversion on macOS
