chiguyong
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80b02f58a6
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feat(U3): G7 三级 fallback 链路接通 chat REST
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- 新增 agentkit/server/_fallback_chain.py: execute_with_fallback_chain
Main (ReActEngine) → Recovery (ReflexionEngine) → Emergency (EmergencyRules)
- chat.py send_message 用 chain 包装 react_engine.execute (KTD5)
- ReflexionEngine 内部 ReAct 调用不走 chain (避免递归)
- TaskCancelledError 直接传播, 不进入 Emergency (KTD3)
- soft failure (empty_fallback/verify_failed) 也触发 Recovery
- Recovery 失败/异常 → Emergency 用 EmergencyRules.classify 分类
- ServerConfig.from_dict 读取 fallback_chain.{recovery,emergency}
- 17 个测试覆盖 Main/Recovery/Emergency 三层 + 配置
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2026-06-29 23:07:38 +08:00 |