- lib/storage.mjs: bin CRUD with bin: prefix
- lib/grid-image.mjs: compute_bin_size() capped at 1024px
- server.mjs: POST/GET/PUT/DELETE /api/bins routes; PUT /api/bins/:id/corners
re-processes image via process_grid_image with rows=1 cols=1
- public/lib/api.mjs: bin API wrappers including upload_bin()
- public/index.html: Bins nav button
- public/templates.html: t-section-bins, t-bin-card, t-dialog-bin-editor
- public/app.mjs: render_bins(), open_bin_editor() using Grid_Setup,
save/cancel wiring in init()
- public/style.css: bin gallery and card styles
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>