feat: structured AgentError + classified error UX with Retry#693

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blove merged 13 commits into

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claude/error-ux-agent-error

Jun 18, 2026

Commits on Jun 18, 2026

docs(chat): design spec for backend-failure error UX

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docs(chat): TDD implementation plan for backend-failure error UX

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feat(chat): AgentError + toAgentError 5-class classifier (connection/auth/server/interrupted/aborted)

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feat(chat): re-type Agent.error as Signal<AgentError|undefined> + add neutral retry()

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feat(langgraph): classify errors via toAgentError, abort→idle, neutral retry()

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fix(langgraph): classify non-user aborts (connection/interrupted) + normalize all error$ sites via toAgentError

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feat(ag-ui): classify errors via toAgentError + neutral retry() (re-run last input, no duplicate message)

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feat(chat): ChatErrorComponent renders legible AgentError message + conditional Retry

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test(examples/chat): assert legible error message + Retry button + retry recovery

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fix(chat): tighten error status parsing to HTTP-shaped tokens + connection-before-text; dedup isAbortError/messages
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docs(api): regenerate api-docs for AgentError/toAgentError/retry surface

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Merge remote-tracking branch 'origin/main' into claude/error-ux-agent-error
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Merge remote-tracking branch 'origin/main' into claude/error-ux-agent-error
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