- Add llm_routing to all list_accounts/get_account SQL queries and JSON responses
- Add llm_routing to UpdateAccountRequest with COALESCE update
- Add llm_routing to AccountPublic struct in auth types
- Wire llm_routing into register (default 'local'), login, and me handlers
- Add llm_routing field to AccountRow, AccountAuthRow, AccountLoginRow model structs
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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