Add OpenAPI docs, frontend, migrations, and API updates

- OpenAPI: add missing endpoints (add-from-url, subscriptions, public availability)
- OpenAPI: CalendarSubscription schema, Subscriptions tag
- Frontend app
- Migrations: count_for_availability, subscriptions_sync, user_preferences, calendar_settings
- Config, rate limit, auth, calendar, booking, ICS, availability, user service updates

Made-with: Cursor

sqlc/schema.sql

@@ -9,6 +9,15 @@ CREATE TABLE users (
     password_hash TEXT NOT NULL,
     timezone TEXT NOT NULL DEFAULT 'UTC',
     is_active BOOLEAN NOT NULL DEFAULT true,
+    week_start_day SMALLINT NOT NULL DEFAULT 0,
+    date_format TEXT NOT NULL DEFAULT 'MM/dd/yyyy',
+    time_format TEXT NOT NULL DEFAULT '12h',
+    default_event_duration_minutes INTEGER NOT NULL DEFAULT 60,
+    default_reminder_minutes INTEGER NOT NULL DEFAULT 10,
+    show_weekends BOOLEAN NOT NULL DEFAULT true,
+    working_hours_start TEXT NOT NULL DEFAULT '09:00',
+    working_hours_end TEXT NOT NULL DEFAULT '17:00',
+    notifications_email BOOLEAN NOT NULL DEFAULT true,
     created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
     updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
     deleted_at TIMESTAMPTZ
@@ -49,6 +58,9 @@ CREATE TABLE calendars (
     color TEXT NOT NULL DEFAULT '#3B82F6',
     is_public BOOLEAN NOT NULL DEFAULT false,
     public_token TEXT,
+    count_for_availability BOOLEAN NOT NULL DEFAULT true,
+    default_reminder_minutes INTEGER,
+    sort_order INTEGER NOT NULL DEFAULT 0,
     created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
     updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
     deleted_at TIMESTAMPTZ
@@ -180,6 +192,7 @@ CREATE TABLE calendar_subscriptions (
     calendar_id UUID NOT NULL REFERENCES calendars(id),
     source_url TEXT NOT NULL,
     last_synced_at TIMESTAMPTZ,
+    sync_interval_minutes INTEGER,
     created_at TIMESTAMPTZ NOT NULL DEFAULT now()
 );