- Use errors.Is() instead of direct sentinel comparison (13 instances) - Convert if/else-if chains to switch/case for same-variable comparisons - Remove redundant bitwise OR with zero - Add post-implementation checklist to CLAUDE.md
Replace file-based OAuth token storage with DB-backed storage using llm_providers (access token) + config_secrets (refresh token). - Store: Add Settings JSONB field, chatgpt_oauth provider type - OAuth: DBTokenSource backed by provider + secrets stores - HTTP: oauth.go uses DB stores + registers provider in-memory - Providers: chatgpt_oauth support in registerInMemory/registerProvidersFromDB - Config: Remove HasOAuthToken, revert envFallback→envStr - CLI: auth commands call HTTP API on running gateway - Split codex.go (478→189 LOC) into codex.go + codex_build.go + codex_types.go - Frontend: Remove fake OAUTH_PROVIDER_ID, use real DB-backed providers - Tests: Rewrite with mock stores, fix SSE mock servers
viettranx