Upstream v0.2.1 merge conflicts #127

Upstream v0.2.1 requires manual conflict resolution

The hourly sync stopped without changing main.

Conflicted paths

• backend/ent/mutation.go
• backend/ent/runtime/runtime.go
• backend/internal/handler/admin/account_handler.go
• backend/internal/handler/dto/types.go
• backend/internal/handler/openai_chat_completions.go
• backend/internal/handler/openai_codex_models_handler_test.go
• backend/internal/handler/openai_embeddings.go
• backend/internal/handler/openai_gateway_handler.go
• backend/internal/handler/openai_gateway_handler_test.go
• backend/internal/handler/stream_error_event.go
• backend/internal/service/admin_account.go
• backend/internal/service/admin_group.go
• backend/internal/service/api_key_auth_cache_impl.go
• backend/internal/service/api_key_auth_cache_openai_fast_test.go
• backend/internal/service/api_key_auth_cache_profit_test.go
• backend/internal/service/openai_codex_models_service.go
• backend/internal/service/openai_codex_models_service_test.go
• backend/internal/service/openai_embeddings.go
• backend/internal/service/openai_gateway_forward.go
• backend/internal/service/openai_gateway_service.go
• backend/internal/service/openai_images.go
• backend/internal/service/openai_images_responses.go
• backend/internal/service/openai_ws_forwarder_ingress.go
• backend/internal/service/openai_ws_forwarder_payload.go
• backend/internal/service/openai_ws_forwarder_v2.go
• backend/internal/service/openai_ws_http_bridge.go
• frontend/src/components/account/CreateAccountModal.vue
• frontend/src/components/account/__tests__/ModelWhitelistSelector.spec.ts
• frontend/src/i18n/locales/en/admin/accounts.ts
• frontend/src/i18n/locales/zh/admin/accounts.ts
• frontend/src/types/index.ts
• frontend/src/views/admin/AccountsView.vue
• frontend/src/views/admin/GroupsView.vue