feat(dev): semantic lifecycle replay (#105 stage 3) - #279
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Replay compiled event routes through native validation, canonical decoding, the real render dispatcher, and host projection while preserving fixture provenance and stale-manifest safety.
Expose fixture and observed native replay evidence in one correlated lifecycle view with fail-closed stale-manifest repair.
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This was referenced Sep 2, 2026
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Summary
#105 stage 3: semantic lifecycle replay. A replay crosses real native decode → generated event-route execution → RSC rendering through the runtime dispatcher → real native encode, correlated with the Agent Document stage, with fixture-vs-observed receipt provenance surfaced honestly.
Dev server (
agent-bundle)GET /api/lifecycles(compiled event routes × concrete hosts with native event names, contract revisions, checked-in starter fixtures, and honest exclusion diagnostics) andPOST /api/lifecycles/replays(fail-closed manifest binding →validateNativeEventEnvelope→createCanonicalEventProps→ real dispatcher render →projectEventDocument).validateNativeEventEnvelopein the events runtime; generated wrappers now import it (behavior-preserving, proven by the artifact suites).react-serverchild (fork + IPC, stdout rerouted, abort kills the child), mirroring the flight-worker precedent; works from TS source and packaged dist.lifecycle.target.unsupported/excluded,lifecycle.route.unavailable,lifecycle.projection.unsupported.Workbench
#lifecyclespage: lifecycle/target selector, starter fixture or pasted observed receipt, provenance banner with an explicit "deterministic replay, not evidence the host dispatched this event" disclaimer, canonical identity + request context, ordered feat(runtime): add Agent Document contracts #140 render-event timeline through the shared Agent Document stage, native response/projection diagnostics, and the stale (AB8213) → refresh → explicit re-run repair flow.Local gates (all green)
pnpm typecheck,pnpm lint(0/0 across 957 files)lifecycles.e2e✓ (claude + codex fixture legs, observed leg, stale→repair, zero page errors),overview.e2e+runtime-playground.e2eregressions 16 ✓Closes nothing; lands stage 3 of #105.