- Replace text inputs with visual page grid (thumbnails)
- Click to select pages for delete/rotate
- Drag to reorder pages (visual)
- Thumbnails loaded lazily from /pdf/preview/:id/:page
- Selected pages highlighted with blue border + checkmark
- Grid auto-fills, max-height with scroll
- GET /pdf/preview/:fileId — renders first page as PNG (72 DPI)
- GET /pdf/preview/:fileId/:page — specific page preview
- GET /pdf/thumbnails/:fileId — list of all page preview URLs
- File cards show actual PDF thumbnail instead of icon
- Cached previews (30 min cleanup)
- Fallback to PDF icon if preview fails
- Fix multer encoding: decode Latin-1 to UTF-8 for Cyrillic names
- Use pdf-lib instead of pdf-parse for page count (more reliable)
- ignoreEncryption flag for encrypted PDFs
- 15 API endpoints for PDF operations (pdf-lib, pdf-parse, Ghostscript)
- Frontend with 8 operation tabs
- Merge multiple PDFs, split by page ranges
- Rotate/delete/reorder pages
- Add watermark text, page numbers
- Compress via Ghostscript (screen/ebook/printer quality)
- PDF to PNG/JPG, Images to PDF
- Password protection, text extraction
- Added to sidebar, dashboard (Utils category), DB
- Landing: replaced custom landing-nav with standard top-header
- Removed scroll listener for nav (no longer needed)
- Header CSS moved to shared.css (single source)
- Removed duplicate header CSS from login, register, status
- All 4 public pages now have identical header with theme toggle
- Only /api/settings, /api/tools, /api/content/advantages|dashboard public
- All other /api/* require authentication (401)
- Moved API mount after auth middleware, public endpoints before
- Parse time= from each stderr chunk (not accumulated buffer)
- Add -progress pipe:2 flag for frequent progress output
- Support both time= and out_time= formats
- Progress only increases (no jumps back)
- /convert now returns immediately, ffmpeg runs in background
- Client polls /progress every second for live progress %
- Progress endpoint returns downloadUrl/outputSize when done
- UI shows real-time percentage during conversion
- AdminJS uses main site session (no separate login)
- Login once at /auth/login → /admin accessible if role=admin
- Non-admin users redirected to /auth/login from /admin
- Removed separate AdminJS authentication (cookieName/cookiePassword)
- Added password_confirm field in user edit/new forms
- Validation: passwords must match, min 6 chars
- New user: password required
- Edit user: password optional (leave empty to keep)
- Virtual password field in AdminJS user edit form
- Auto-hashes with bcrypt on save (edit + new actions)
- Leave empty to keep current password
- Description hint in UI
- Landing hero texts (headline, description, badge) from settings table
- Landing categories from /api/tools (dynamic from DB)
- Landing advantages from /api/content/advantages
- Dashboard about block from /api/content/dashboard
- Static HTML remains as fallback if API fails
- All editable via AdminJS admin panel
- AdminJS at /admin with auth (admin role only)
- Manage: users, categories, tools, content blocks, settings
- DB tables: settings, categories, tools, content_blocks
- Users table: added role (user/admin) and is_blocked fields
- API: /api/settings, /api/tools, /api/content/:section
- Sidebar: admin link visible only for admin users
- Removed /logs from public routes (now in AdminJS)
- Video converter: fixed ffmpeg codecs for RPi5 (h264_v4l2m2m)
- Dependencies: sequelize, @adminjs/sequelize, mariadb
- Login/register now use CSS variables (--surface-*, --text-*, --accent)
- Dark/light theme toggle on auth pages (synced with localStorage)
- Unified nav menu: Главная, Инструменты, Возможности across all pages
- Consistent header style (backdrop blur, border)
- Sidebar: smaller icons (36px), reduced gaps, overflow scroll for nav area
- Dashboard header: fixed top bar with logo, nav links, user name, logout
- Expanded hero description with tool overview text
- Sidebar fits on all screen heights without overflow
- Nav background visible immediately (semi-transparent dark with blur)
- Added Инструменты and Возможности links in nav (hidden on mobile)
- Added id=features to advantages section for smooth scroll
- Replaced 0₽ with Free label on dashboard about section
- White background, card-style forms
- Fixed top header: logo, nav links (Главная, Инструменты, Возможности), login/register buttons
- Active state highlighting for current page
- Placeholders in inputs, password hint
- Mobile responsive (nav hidden on small screens)
- Red error styling matching light theme
- Group 13 tools into 4 color-coded categories (Images/Code/Web/Utils)
- Personalized greeting with user name from /auth/me
- About section with service description and stats (13 tools, 4 categories, free)
- Each category has icon, title, count badge, description
- Category-specific accent colors (blue/green/purple/yellow)
- Extract shared CSS (sidebar, theme vars, layout) into shared.css
- Extract shared JS (tailwind config, sidebar injection, theme toggle) into shared.js
- Remove ~1200 lines of duplicated code across 13 HTML pages
- Standardize all titles to format: Tool Name — WA Dev Tools
- Standardize page headers (h1 + description) across all tools
- Standardize container padding (tool-container class)
- Sidebar now injected via JS — single source of truth
- Use CSS variables for accent colors everywhere (no more hardcoded #0054e6)
