v0.3.0

[0.3.0] - 2026-07-06

Added

• Color picker tool — snapshot-based screen picking on Windows
  • Multi-color sessions with zoom, pan, and optional pixel-grid magnifier (radius 0–8)
  • Per-monitor or all-screens capture; DPI-aware canvas rendering
  • Persistent color records (up to 1,000 entries): rename, copy HEX/RGB/HSL, delete
  • Export records as JSON, CSV, or Markdown to Downloads
  • HEX deduplication with toast feedback
  • Tray menu entry with auto-start picking
• Export helpers — export_text_file / reveal_export_path Tauri commands
• Tray menu lists all registered tools (synced with frontend registry)
• About dialog (version info)

Changed

• Home screen and window header UI refinements
• Project documentation reorganized — README (user guide), CHANGELOG, and ARCHITECTURE (developer guide), each in English and Chinese