Merge pull request #2 from dexpie/copilot/improve-ui-ux-design

Initial plan

chore(sync): apply local UI changes (autosave, undo/redo, restore generate button)

Update README.md

feat: prepend 'Deskripsi' header to shapes summary

fix(shapesai): proper logging and retry implementation

fix(shapesai): add retries/backoff and improved logging

fix(api): safe description endpoint with fallback

fix(api): restore description route implementation

fix(ui): restore index.tsx and add description API

feat(ui): add Generate description button + new /api/description route

chore: ignore .env.local and remove from index

fix(shapesai): correct module export and syntax

feat(shapesai): add getShapesSummary util

chore: add shapesai util and use it in generate API