v0.3.0

What's New

Export to Excalidraw

• "Export" button in fullscreen editor (top-right, native Excalidraw styling)
• Confirmation modal before upload
• Encrypts + uploads to excalidraw.com, opens shareable link
• Server-side proxy via app-only tool (visibility: ["app"]) to avoid CORS
• Uses Excalidraw v2 binary format (concatBuffers + AES-GCM + zlib)

Checkpoint/Restore

• Save diagram state per tool call with checkpoint IDs
• Restore from checkpoint with restoreCheckpoint element
• Delete elements from restored state with deleteElement
• Saved viewport restored as fallback when no cameraUpdate provided

Font Loading Fix

• Preload all Excalidraw fonts (Excalifont + Assistant family) on inline widget mount
• Fixes text cropping on first fullscreen open caused by font loading race condition

Fullscreen Stability

• Editor no longer unmounts/remounts when new tool calls arrive while in fullscreen
• Seamless SVG-first mount/reveal transition pattern