fix: show visible error when model is unavailable#592
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stephamie7
approved these changes
Jul 22, 2026
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背景
测试反馈「偶发：模型不回复，如果是模型不可用需要返回信息」。排查发现模型不可用、provider 未配置、模型返回空流等场景下，后端可能没有生成可见 assistant 回复，或前端把空 text part 渲染为空白。
修改
message.error存在但 text part 为空时渲染错误态。验证
uv run pytest tests/session/test_runner_step.py::test_process_step_persists_visible_error_when_provider_missing tests/session/test_runner_step.py::test_process_step_persists_visible_error_when_provider_not_configured tests/session/test_runner_step.py::test_process_step_persists_visible_error_when_model_returns_empty_stream -quv run ruff check flocks/session/runner.py tests/session/test_runner_step.pycd webui && npm run test:run -- src/components/common/SessionChat.test.ts -t "SessionChat error rendering|getMessageErrorText"