Implements list_users(limit: int = 1000) -> list[sqlite3.Row] in the auth
DB layer to retrieve all users ordered by creation date (most recent first).
- Returns all users, optionally capped at limit (default 1000)
- Orders by created_at DESC to show newest users first
- Follows existing DB layer patterns using get_conn().execute().fetchall()
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Adds pending_email column to users table with idempotent migration.
Implements set_pending_email() and promote_pending_email() for email-change workflow.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Colin Maudry