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feat(core): add post-step request recovery (PR3 phase 1)

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Hypatia May
2026-07-15 16:03:52 +08:00
parent e55e96eec6
commit e8d066f750
29 changed files with 1207 additions and 120 deletions
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10
docs/agent-lifecycle.md
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@@ -32,14 +32,22 @@ sequenceDiagram
LLM-->>Driver: StreamChunk*
Driver->>Session: <code>assistant/chunk</code>*
Session-->>SDK: <code>session/event</code> <code>assistant/chunk</code>*
alt final adapter or terminal in-band request failure
Driver->>Session: <code>step/end</code>
Driver->>Hooks: <code>agent/request-error</code> waterfall
Hooks-->>Driver: retry in a new step or preserve the original error
else model request succeeded
Driver->>Hooks: <code>agent/step-result</code> waterfall
Driver->>Session: <code>assistant/message</code>
Driver->>Session: <code>tool/call</code>
Driver->>Tools: execute through pre and post waterfalls
Tools-->>Session: tool-owned events when applicable
Driver->>Session: <code>tool/result</code> and <code>step/end</code>
Driver->>Session: <code>tool/result</code>, post-tool context, and steering
Driver->>Hooks: <code>agent/post-step</code> serial checkpoint
Driver->>Session: <code>step/end</code>
Driver->>Hooks: <code>agent/turn-continuation</code> waterfall
Driver->>Hooks: <code>agent/turn-stop</code> serial terminal checkpoint
end
Driver->>Session: <code>turn/end</code>
Driver->>Persistence: <code>session/flush</code> parallel checkpoint
Driver-->>SDK: <code>agent/status</code> idle