Working on the loot-filter / tweaks UI

Applies when editing anything under src/pages/<domain>, src/shared/components, src/widgets, or wiring new settings into the editor.

1. State lives in SettingsContext — not local state

Read settings via useSettings() getters (getItemSettings, getCommonSettings, getGemSettings, getRuneSettings, getTweaksSettings…); write via the update* setters.
A new per-profile setting means: extend the AppSettings shape, add a getDefault* helper, AND add a migration (in the style of migrateItemsSettings / cleanSettings) so old localStorage/profile JSON keeps loading.
tweaks are stored separately (STORAGE_KEYS.TWEAKS) and stripped from profile export — never fold tweaks into profile settings.

App UI strings (i18next): src/shared/i18n/locales/*.json → de, en, es, fr, pl, ru, uk. Add the key to en.json (source of truth), then run node scripts/sync-locales.cjs. Use in components via useTranslation() / t().
Game locales (SUPPORTED_LOCALES, 13: enUS…zhCN): columns written into the game's JSON, mirrored by the Locales interface. Adding one means updating every getDefault* / createFilledLocales helper in SettingsContext.

Reads/writes use the use*Worker hooks (readFromFiles / applyChanges). Reuse them; don't call readTextFile/writeTextFile directly from components.
Writes are retry-with-backoff with a fallback to the Rust ensure_writable command (game files are often read-only/locked).
Preserve game color codes (ÿc0, ÿc9…) verbatim on write — never strip them; removeColorCodes() is display/search only.

antd components themed via src/shared/assets/antd-theme.css; layout with Tailwind.
Dark mode = the dark class on <html> (getIsDarkTheme()); support both themes.
Basic vs advanced mode resizes the window (WorkSpace.tsx): keep layouts working at 600×790 (basic, fixed) and 1200×790 (advanced, resizable).

Run npm run tcheck — the ONLY correctness gate (no test runner, no linter). Fix type errors.
If you added UI strings, confirm sync-locales.cjs ran and all 7 locale files have the key.