Reporter overhaul (5/6): Heft protocol track (negotiated child descriptors)#5869
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Reporter overhaul (5/6): Heft protocol track (negotiated child descriptors)#5869TheLarkInn wants to merge 2 commits into
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This was referenced Jul 15, 2026
Integrate Heft as a cross-process reporter producer for @rushstack/reporter (#5858). - Add allocateChildDescriptor and readChildDescriptorFd so Rush passes a dynamically allocated inherited descriptor to the child through a private environment variable while stdout and stderr stay normal streams - Add HeftChildEmitter, which emits structured NDJSON over the descriptor or falls back to raw stdout and stderr when negotiation is unavailable - Add HeftDescriptorHost, which negotiates the child hello and correlates each child event with the parent session and operation ids, surfacing an update-global-Rush diagnostic on rejection - Keep the raw-stream and problem-matcher path for older Heft versions - Cover both the new descriptor and old raw-stream paths with tests Assistant-model: GitHub Copilot Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 897dcf7e-e6e8-4a84-85ca-34b93fa29be3
Assistant-model: GitHub Copilot Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 897dcf7e-e6e8-4a84-85ca-34b93fa29be3
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📚 Reporter Overhaul PR stack (merge bottom-up)
mainEach PR's diff is scoped to its phase; review independently, merge from #5865 upward.
👉 This is PR 5 of 6.
Phase 5 — Heft protocol track (RFC §8.1)
Adds structured cross-process reporting for Heft child builds, with backward compatibility for older Heft.
What's included
hello+ events over it, correlated with the parent session/operation ids.Validation
rush build --to @rushstack/reporter✅rush test --only @rushstack/reporter✅ (adds HeftIntegration suite covering both the descriptor path and the raw-stream path)@beta.Scope note
Standalone package; not yet wired into the live CLI. Independently releasable/revertible per RFC §8.1.