Add defaultLocale, EN names, and dashboard activity endpoints.

Expose branding.defaultLocale, optional user EN name fields, and lightweight dual daily activity for orders/customers; update project context and rules.

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

database/migrations/049_user_name_en.sql

@@ -0,0 +1,4 @@
+-- English given/family names on users (alongside existing first_name / last_name as FA/primary).
+ALTER TABLE users
+  ADD COLUMN IF NOT EXISTS first_name_en VARCHAR(100),
+  ADD COLUMN IF NOT EXISTS last_name_en VARCHAR(100);