Screen: Settings & Intake

Route: /settings/*, /load, /load/journal
Host Component: apps/playground/app/pages/SettingsPage.tsx, JournalZipLoadPage.tsx, LoadZipPage.tsx
Domain Models: Configuration, Note, Note source (rawContent + occurrence map; saved states in BlockRevision), Page, BlockIndexRow

1. Component & Service Dependencies

StickyPageHeader (apps/playground/src/panels/page-shells/StickyPageHeader.tsx). Renders settings category tabs.
Switch (apps/playground/src/components/atoms/primitives/switch.tsx). Toggles audio, debug mode, and preferences.
BackdateConfirmModal (apps/playground/app/components/organisms/journal/BackdateConfirmModal.tsx). Modal confirming imports for past dates.

useJournalZipProcessor (apps/playground/app/hooks/useJournalZipProcessor.ts). Decompresses and imports archived journal entries.
runSeedSync (apps/playground/src/services/seed/seedSync.ts). Syncs seed corpus files to IndexedDB.
resetUserData (apps/playground/app/services/resetUserData.ts). Clears client-side database stores.

Context Sidebar: Settings tree (Appearance, System, Queries, Library).
Settings Canvas:
- Appearance Section: Theme selector (Dark, Light, System), date locale picker, FAB alignment toggle (Right, Left), and default start page.
- System Section: Audio toggles, sound test, seed sync status, and database reset trigger.
- Queries Section: Route WQL default query editor.
Intake Flow (/load/journal): Centered drop-zone card with live markdown preview and backdate confirmation dialog.

Navbar: "Settings" title with drawer trigger.
Stacked Settings: Grouped settings rows with native-style toggle switches and select menus.
FAB Alignment Setting: Lets mobile users position the thumb dock FAB on the left or right side according to handedness.

Instant Preference Application:
- Toggling themes, audio, or FAB alignment applies immediately via CSS variables and React contexts without full reload.
Post-Import Navigation:
- Successfully importing a workout ZIP redirects directly to /notes/:noteId, opening the imported entry in the universal editor.