v0.6.3

[0.6.3] - 2026-05-29

• chore: bump to 0.6.3
• feat(select): fill a selection with the current color
• feat(prefs): persist last dir, shape, and update-check opt-out
• chore(deps): update Cargo.lock to latest compatible patches
• feat(ui): nest camera items under a View → Camera submenu
• fix(ui): refine palette switcher preview swatches and headers
• feat(ui): make under-swatch color readout selectable
• test(menu): cover recent_item_label formatting
• feat(ui): apply Color Format everywhere; finish View menu toggles
• fix(ui): hover-highlight palette swatches like the recent-color strip
• fix(ui): remove per-color pick entries from command palette
• fix(ui): rename "Color Space" menu to "Color Format"
• fix(ui): enable the Color Space submenu
• feat(ui): move color-space format from Preferences to the View menu
• fix(ui): hide tool island under modal; scrim covers full window
• fix(ui): modal renders above scrim again; hide chrome instead of layering
• feat(ui): Esc closes the Preferences and Discard modals
• fix(ui): modal scrim now covers the tool island and gizmo
• docs: changelog for UI polish pass
• refactor(ui): split color picker and modals out of ui.rs
• feat(ui): dim backdrop behind open modals
• refactor(ui): share one modal_frame across all floating sheets
• refactor(ui): replace inline literals with design tokens
• refactor(theme): extract hover_fill, dedupe three inlined blends
• feat(theme): add semantic status colors, make toasts theme-aware
• docs: finalize CHANGELOG for v0.6.2 [skip ci]