feat(cua): subject provisioning phase events - kill the silent boot#268
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…263) Emits started/completed events at every provisioning phase boundary (clone / upload / extract / install / build / serve start / readiness / seed-step groups) through an injectable onPhase hook, with a default stderr sink (lane-prefixed under fan-out), and persists the completed trail into bundle.events using the existing RunEvent shape. Shared-world routes gain the same seam via SharedWorldLabHooks.onPhase. A single-lane provisioned run previously printed nothing between command start and exit for up to 25+ minutes of clone/install/build budgets. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This was referenced Jul 8, 2026
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Closes #263.
A single-lane provisioned run printed nothing between invocation and exit for up to 25+ minutes (clone 5m + install 10m + build 10m + ready 3m budgets; zero output in the provisioning pipeline). Operators could not tell priming from hung. Todays real-app local-tree validation ledger hit exactly this: every failed iteration was slower to diagnose because installs were silent.
What
SubjectPhaseEvent+ injectableonPhasehook threaded through the shared provisioning pipeline and both provisioning routes: started/completed atsubject.clone/subject.upload/subject.extract/subject.install/subject.build/subject.serve.started/subject.ready/subject.state.<when>boundaries. One event per boundary, never per poll tick.CuaActorLabHooks.onPhaseandSharedWorldLabHooks.onPhase. stdout JSON purity untouched.bundle.events(existingRunEventshape,cua-lab.subject.*types, durationMs in the message, level warn on failure). No schema change.Review
Implemented + hostile-reviewed + fixed in-branch: the review's two medium findings (missing shared-world DI seam with untested unconditional stderr; zero fan-out coverage) are fixed with a seam + 2-lane attribution test proving no cross-lane leakage. Two lows accepted and noted: direct stderr (matches the existing
emitPreflightPlanprecedent;CliIothreading is tracked under #262 territory), and the rerun-subset lane-prefix cosmetic.Proof
pnpm check: 873 passed / 10 skipped, build OK.pnpm public-surface:scan: ok (428 files).🤖 Generated with Claude Code