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Handoff: Decide receipt ordering across restarts and finish the UrlResolver design pull request

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id: hf-2026-10-08-decide-receipt-ordering-across-restarts-and-finish-the-urlresolver-design-pull-request url: url://handoff/handoffs/hf-2026-10-08-decide-receipt-ordering-across-restarts-and-finish-the-urlresolver-design-pull-request title: Decide receipt ordering across restarts and finish the UrlResolver design pull request summary: Decide how the signed receipt counter survives issuer restarts, then finish the existing documentation-only pull request. The original branch is already based on current main and unchanged at 1d12766980a1984c28d7974c75f66289cb315bff; remote CI stopped in module-cache preparation before all 1891 tests. Do not merge or open another pull request. created: 2026-10-08T08:44:46.890Z completed: null blocked-reason: Orchestrator decision needed on receipt sequence ordering across issuer restarts. dependencies:

Handoff: Decide receipt ordering across restarts and finish the UrlResolver design pull request

Written: 2026-10-08 UTC.

RE-VERIFY: This is a write-time snapshot. Recheck gh pr view 1195 --repo CodexCoder21Organization/UrlResolver --json state,headRefOid,mergeStateStatus,statusCheckRollup,mergedAt and fetch origin/main before acting.

Mission

Triage https://github.com/CodexCoder21Organization/UrlResolver/pull/1195, then close it with evidence or make both required checks green. This worker reached NEEDS-DECISION for the issuer restart policy. Work remains restricted to this pull request. Never merge, enqueue, open another pull request, change a timeout, weaken a test, add a retry/sleep to pass a test, use reflection/mocks, or expose a private member for tests. At most two new CI rounds after locally verified changes.

Relevant refs

Repo Branch Remote head Pull request Content State
UrlResolver https://github.com/CodexCoder21Organization/UrlResolver/tree/docs/tenure-scaled-shared-liveness 1d12766980a1984c28d7974c75f66289cb315bff https://github.com/CodexCoder21Organization/UrlResolver/pull/1195 Original documentation-only receipt/tenure design OPEN; bld-build success, remote failure before tests

No local-only source work exists. No builds, publishing, or deployment were performed. Main's touched-file history still has only https://github.com/CodexCoder21Organization/UrlResolver/commit/6b759b4f56b2eea8c78dbfcd73f7eb96e13086e7. Rebase was a no-op.

Next steps

  1. Re-verify current state and read the evidence below. Resolve the receipt-restart design question with the orchestrator; option 1 is recommended.
  2. Once authorized to proceed, revise the design within the same pull request and preserve the original motivation paragraph. Use the update-documentation skill if making documentation edits.
  3. Investigate shared module-cache preparation at its owning layer. Current evidence names the failing stage, not its root cause. If an upstream change is needed first, the worker brief requires NEEDS-DECISION rather than another pull request.
  4. Verify any changes with targeted tests where relevant, push only this branch, and watch only the two required checks with bounded build-watchman. Do not treat informational cancellation as a required failure, nor wait on that check.

Investigation evidence and decisions

UrlResolver pull request 1195

Source: https://github.com/CodexCoder21Organization/UrlResolver/pull/1195

Plan

  • [done] Read required documentation, all pull request discussion, diff, and main history; record triage before changes.
  • [done] Salvageable; rebase was a no-op. Establish that CI stopped before tests; cache-preparation root cause remains unknown.
  • [done] Record the receipt-restart design question; outcome C applies before implementation or testing changes.
  • [pending] Verify final state, record the closing summary, and stop every background process started here.

DECISION: Work is limited to this pull request. No merge, queue entry, additional pull request, or model delegation will be performed.

Triage — 2026-10-08 08:42 UTC

OBSERVED: gh pr view --json body,comments,reviews,commits,files and the inline-comment API show an OPEN documentation-only pull request at 1d12766980a1984c28d7974c75f66289cb315bff, with one commit changing only docs/PEER_MANAGEMENT.md. No comments, reviews, or inline comments were returned. The supplied description says “Design only — no code changes.” The description records the motivation verbatim: “Having every node probe every other node every 5 minutes might be a bit of overkill.”

OBSERVED: git log --oneline origin/main -- docs/PEER_MANAGEMENT.md shows only https://github.com/CodexCoder21Organization/UrlResolver/commit/6b759b4f5 (the original design). Main still prescribes “Healthy peers are probed every ~5 minutes” and “No wire-protocol changes required.” The pull request replaces those with tenure-scaled intervals and one additive signed-receipt field. Its diff has 187 additions and 37 deletions; no implementation or test changes.

INFER: Salvageable, not established obsolete. Current main retains the exact design section this pull request revises, and the requested shared-liveness design has not landed there. No evidence yet supports closing it. This verdict does not approve the proposed protocol details; design review may still reveal a decision that this worker cannot settle.

OBSERVED: gh pr checks gives required bld-build PASS at https://github.com/CodexCoder21Organization/UrlResolver/actions/runs/37332765011/job/111839759259 and required kotlin.build (remote) FAIL at https://buildtest.kotlin.build/run?id=a9fd3be0. Informational kotlin.build (kompile-remote-build) is FAIL in the live response, rather than CANCELLED in the brief. It will not gate this item.

DECISION: Triage recorded before any checkout edits or rebase. Next: finish the required reading, inspect the remote failure, and rebase preserving the original commit.

Progress — updated 2026-10-08 08:43 UTC

OBSERVED: Independent paginated issue-comment and review APIs both returned [], confirming that the October 1–7 notes described in the brief are absent from the current API response. git rebase origin/main reported “Current branch docs/tenure-scaled-shared-liveness is up to date.” The original commit and branch remain unchanged.

OBSERVED: The remote dashboard download ended with curl: (18) transfer closed with outstanding read data remaining. Its partial page explicitly says the live projection feed is disconnected or has an unapplied gap. The test-results endpoint returned HTTP 503. The subsequent parsing FileNotFoundError was my wrapper attempting to read the missing download, not a build failure. Full wrapper traceback:

Traceback (most recent call last):
  File "<stdin>", line 2, in <module>
FileNotFoundError: [Errno 2] No such file or directory: 'test-results.json'

OBSERVED: GitHub's check-run output provides the actual build failure without the dashboard: “Build failed: 0 passed, 0 failed, 1891 total”; all ten shards report “TIMEOUT: Shared workspace module cache preparation exceeded its deadline. Elapsed: 1200004ms Deadline: 1200000ms”; “Tests not run: 1891.” Source: https://github.com/CodexCoder21Organization/UrlResolver/runs/112139987437 and https://buildtest.kotlin.build/run?id=a9fd3be0.

INFER: The failed required check stopped in shared module-cache preparation before executing any project test. This is not evidence that a UrlResolver test failed. The underlying cache-preparation mechanism is not established by a timeout message alone; no timeout change or blind CI rerun is justified.

OBSERVED: The proposed receipt is “per-subject, strictly increasing” (docs/PEER_MANAGEMENT.md:657) and receivers retain the highest sequence (:674–676). The complete persistence section (:430–480) covers peer observations but never names the issuing node's sequence, crash-safe sequence allocation, or behavior after identity-state rollback. Searching the whole document for sequence, restart, receipt, and issuedAt confirms no such restart rule.

INFER: This is a protocol design choice rather than a mechanical red-test fix. If an issuer returns to sequence 1 after peers stored 100, those receivers reject its fresh receipts until it exceeds 100. At the specified one-signature-per-minute ceiling, recovery may take many minutes or much longer; direct observations can still update local freshness, but shared-receipt suppression and convergence no longer work as promised. No receipt implementation is changed or supplied by this documentation-only pull request, so this is a document-contract example, not a reproduced runtime bug.

DECISION: Outcome C is required for the unresolved restart/ordering design choice. Preserve the already-pushed branch without inventing the protocol policy or changing unrelated build infrastructure. The report-challenge skill was read for the dashboard/cache friction; its CLI opens and merges a separate PlanRepository pull request, which this brief explicitly prohibits, so no challenge CLI will be invoked.

Decision question

DECISION: What rule should an issuer use to keep signed-receipt ordering correct across a restart while retaining its peer identity?

Background: This design adds a signed (subject, issuedAt, sequence) receipt, selects the highest sequence, and uses that receipt's timestamp to postpone redundant health checks. It never defines issuer sequence storage or a restart/rollback rule. A cold reader can trace the problem from https://github.com/CodexCoder21Organization/UrlResolver/blob/1d12766980a1984c28d7974c75f66289cb315bff/docs/PEER_MANAGEMENT.md#liveness-receipts--shared-proof-that-a-peer-was-alive and the Persistence section in the same file. A receiver holding sequence 100 at time 1000 ignores a restarted issuer's sequence 1 at time 2000. An executable arithmetic trace of the document's max(sequence) merge confirmed this once; it is not an implementation reproducer or a substitute for a public-API test.

Options:

  1. Require a durable issuer counter tied to its identity, allocated atomically before publication. Define concurrent allocation, process restart, and state rollback behavior explicitly, plus whether receipt timestamps must remain nondecreasing. This preserves the proposed receipt shape but adds durable issuer state and requires a policy when that state is lost.
  2. Add a signed generation/epoch and specify total ordering across generations. This can make ordinary process restart explicit but changes the proposed receipt shape; a random epoch alone cannot tell receivers which generation is later. Its ordering and state-loss rules still need a design.
  3. Remove the sequence and order receipts by signed issuance time with a deterministic tie-break. This reduces issuer state but moves correctness into clock rollback and skew handling, which needs its own explicit rule.

Recommendation: option 1. Keep the additive wire shape, require crash-safe counter allocation before a signature is published, and make loss or rollback of identity-associated sequence state an explicit policy rather than silently restarting at 1. Confirm the policy before revising the design. Do not close as obsolete: the main document still contains the old cadence and this proposal is useful.

Verification and reading

OBSERVED: Read the full PHILOSOPHY.md and TESTING.md fetched using the required GitHub contents API, the pull request description/diff/original commit, the whole peer-management proposal, and the relevant README overview/building/custom-bootstrap/network-health sections. Also read the HTTPS-transport plan's request-activated-hosting contract and UrlProtocol NETWORK_ARCHITECTURE.md's peer-sharing and propagation expectations. Neither referenced contract supplies the missing issuer-restart rule. The explicit brief's no-timeout-increase rule takes precedence over TESTING.md's permission to size an unmerged test timeout; no timeout was changed.

OBSERVED: Final API verification at 2026-10-08 08:43 UTC: the pull request is OPEN, unmerged, with mergeStateStatus BLOCKED. Native check-run conclusion for the informational check is CANCELLED. gh pr checks displayed it as fail; that display alone was not enough to distinguish cancellation from failure. Required checks remain bld-build SUCCESS and kotlin.build (remote) FAILURE.

OBSERVED: git status --porcelain -uall, git stash list, and git log --branches --not --remotes are empty. git rev-parse HEAD and git ls-remote origin refs/heads/docs/tenure-scaled-shared-liveness both return 1d12766980a1984c28d7974c75f66289cb315bff. No newly created source work, local-only commits, or uncommitted files exist. No push was needed because rebasing made no change and the remote already holds the exact head. No artifact was built, published, or deployed; no PR description edit, comment, close, merge, queue entry, check rerequest, or CI round was performed.