What's new
- Redesigned instrument UI: single dropdown with "New instrument" option
- Auto-confirm block when changing page
- Removed drag-to-create bands: two taps/clicks only
- Tablet: better scroll vs band creation detection
- Instruments with no bands hidden in download screen
- English-only interface (removed i18n for faster load)
- Backend security: rate limiting, PDF size/page limits, magic bytes validation, HTTP security headers
- Preview stage: one page at a time with prev/next arrows (max 5)
- Delete page from PDF directly in the editor
- Canvas auto-scroll on tablet while drawing a grid
- Removed right × icon on bands (left only remains)
- New "Preview & Spacing" stage: see the real parts before downloading
- Navbar updated to 4 steps: Load → Label → Preview → Download
- ? button replaced with graphical quick guide (actions + descriptions)
- Removed tooltips, "Did you know?" widget and redundant navigation buttons
- Margins in the generated PDF for a cleaner printout
- Dot on thumbnails for pages that have bands drawn
- Prev ◀ / Next ▶ buttons in toolbar to navigate pages
- Score auto-scrolls while drawing bands near the edge
- Undo/Redo buttons enlarged and more visible
- Delete instrument with ×; asks for confirmation if it has bands assigned
- Instrument list auto-scrolls after adding a new instrument
- Contextual guide on first visit: explains how to draw bands
- Guide and Contact accessible from the ⋯ menu in navbar
- Snap magnet now active when moving a whole band near another
- Dragging an edge can no longer overlap existing bands
- Snap magnet now active when resizing band edges
- Larger instrument indicators for easier tapping on tablet
- Band section in the sidebar is always visible even with many instruments
- Pinch-to-zoom disabled on tablet: use +/− buttons
- App installable on tablet and phone from Chrome
- Tablet: two fingers to scroll the score, one finger to draw grids
- Band spacing control in the final PDF
- Preview before every download
- Auto-detect grids
- Move an existing band by dragging it directly
- Page thumbnail strip for quick navigation
- Keyboard shortcuts (press ?)
- Guide page with step-by-step illustrations
- Real-time tips with the Tips widget
- Direct page number input
- Auto-detect staff systems
- Copy grids across pages (all, N, even, odd)
- Move two adjacent bands together by dragging the shared edge
- Left-edge alignment for a cleaner printout
- ZIP download: all parts in one file
- Split a band into N equal parts with ÷
- Undo / Redo (Ctrl+Z / Ctrl+Y)
- First public release
- Load a PDF score and draw grids per instrument
- Download each part as a separate PDF
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