feat: default locale Russian, geo determines language for other countries

- localization-svc: defaultLocale ru, resolveLocale only by geo
- web-svc: DEFAULT_LOCALE ru, layout lang=ru, embeddedTranslations fallback ru
- countryToLocale: default ru when no country or unknown country

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

services/notifications-svc/drizzle/0000_init.sql

@@ -0,0 +1,30 @@
+CREATE TABLE IF NOT EXISTS push_subscriptions (
+  id TEXT PRIMARY KEY,
+  user_id TEXT NOT NULL,
+  endpoint TEXT NOT NULL,
+  p256dh TEXT NOT NULL,
+  auth TEXT NOT NULL,
+  created_at TIMESTAMP DEFAULT NOW() NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS notification_preferences (
+  user_id TEXT PRIMARY KEY,
+  push_on_answer BOOLEAN DEFAULT true,
+  email_on_deep_research BOOLEAN DEFAULT false,
+  reminders JSONB DEFAULT '[]'::jsonb,
+  updated_at TIMESTAMP DEFAULT NOW() NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS reminders (
+  id TEXT PRIMARY KEY,
+  user_id TEXT NOT NULL,
+  thread_id TEXT,
+  query TEXT,
+  remind_at TIMESTAMP NOT NULL,
+  created_at TIMESTAMP DEFAULT NOW() NOT NULL,
+  sent_at TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_push_subscriptions_user_id ON push_subscriptions(user_id);
+CREATE INDEX IF NOT EXISTS idx_reminders_user_id ON reminders(user_id);
+CREATE INDEX IF NOT EXISTS idx_reminders_remind_at ON reminders(remind_at) WHERE sent_at IS NULL;