Add FA/EN locale, home activity charts, and theme-aware polish.

Ship shared LocaleProvider, business/customer i18n, branding defaultLocale, curated home tiles with dual 30-day charts, and chart/page aura tokens; refresh PROJECT_CONTEXT.

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/dashboard-ui/src/context/LocaleContext.tsx

@@ -0,0 +1,66 @@
+import {
+  createContext,
+  useCallback,
+  useContext,
+  useEffect,
+  useMemo,
+  useState,
+  type ReactNode,
+} from 'react'
+import {
+  applyDocumentLocale,
+  getLocaleDirection,
+  readStoredLocale,
+  writeStoredLocale,
+  type DashboardLocale,
+} from '@meshkee/dashboard-core'
+
+interface LocaleContextValue {
+  locale: DashboardLocale
+  dir: 'ltr' | 'rtl'
+  isRtl: boolean
+  setLocale: (locale: DashboardLocale) => void
+}
+
+const LocaleContext = createContext<LocaleContextValue | null>(null)
+
+export function LocaleProvider({
+  children,
+  defaultLocale = 'fa',
+}: {
+  children: ReactNode
+  defaultLocale?: DashboardLocale
+}) {
+  const [locale, setLocaleState] = useState<DashboardLocale>(() =>
+    readStoredLocale(defaultLocale),
+  )
+
+  useEffect(() => {
+    applyDocumentLocale(locale)
+    writeStoredLocale(locale)
+  }, [locale])
+
+  const setLocale = useCallback((next: DashboardLocale) => {
+    setLocaleState(next)
+  }, [])
+
+  const value = useMemo<LocaleContextValue>(() => {
+    const dir = getLocaleDirection(locale)
+    return {
+      locale,
+      dir,
+      isRtl: dir === 'rtl',
+      setLocale,
+    }
+  }, [locale, setLocale])
+
+  return <LocaleContext.Provider value={value}>{children}</LocaleContext.Provider>
+}
+
+export function useLocale(): LocaleContextValue {
+  const context = useContext(LocaleContext)
+  if (!context) {
+    throw new Error('useLocale must be used within LocaleProvider')
+  }
+  return context
+}