fix(gate): preserve exact-owner renewal evidence across owning-PR duplicate rechecks #945
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opened 2026-07-26 09:35:47 -05:00 by jcwalker3
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fix/issue-987-native-mcp-bootstrap
feat/issue-985-project-scoped-launcher-identity
fix/issue-983-cross-repo-base-ref
feat/issue-980-stale-worker-retirement
fix/issue-975-client-identity-heartbeat
fix/issue-973-cross-repo-canonical-roots
fix/issue-970-safely-resolve-missing-worktrees
fix/issue-969-native-mcp-bootstrap
feat/issue-664-break-glass-restart
feat/issue-708-mcp-namespace-attachment
feat/issue-665-restart-audit
fix/issue-700-durable-walls
fix/issue-704-prevent-env-workspace-bindings
feat/issue-707-cross-project-boundaries
fix/issue-690-review-profile-switch-guard
fix/issue-953-bootstrap-lock-provenance
feat/issue-949-native-fleet-inventory
fix/issue-943-runtime-context-helpers
fix/issue-945-owning-pr-renewal-evidence
fix/issue-941-scope-guard-bootstrap-wiring
docs/issue-930-remote-mcp-coupling-inventory
fix/issue-892-author-bootstrap-deadlock
fix/issue-686-detect-reject-manual-mcp
fix/issue-672-mcp-config-drift
fix/issue-689-deterministic-mcp-namespace
feat/issue-666-concurrent-mcp-restart-tests
feat/issue-659-maintenance-drain-mode
feat/issue-648-notifications-console
fix/issue-670-direct-master-incident
feat/issue-644-console-recovery
feat/issue-650-providers-insights
feat/issue-669-scoped-component-recovery
docs/issue-668-mcp-ha-rolling-restart
feat/issue-667-console-restart-controls
feat/issue-645-linkage-console
feat/issue-643-request-preview-initiate
fix/issue-897-permission-stale-runtime-classification
feat/issue-641-runtime-session-view
feat/issue-663-restart-classes
feat/issue-661-drain-proof-hard-gate
fix/issue-854-semantic-container-exclusion
issue-640
fix/issue-682-starlette-httpx2
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Reference: Scaled-Tech-Consulting/Gitea-Tools#945
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Summary
The exact-owner owning-PR waiver produced during sanctioned issue-lock renewal is recognized inside
gitea_lock_issuebut is not propagated to the shared duplicate recheck used by later author mutations.As a result, a legitimate author repairing an existing owning PR can renew the issue lock successfully but still be blocked from committing, pushing, or updating the PR with:
This creates a workflow deadlock when the repair is already present as uncommitted changes:
Observed case
The defect was reproduced while addressing review
622on:f49e781102b9f363834c28c055f69639d16290c9aab54d4825270f5a5c6f9c1abc1ab09eb4f3e218fix/issue-943-runtime-context-helpers/issue-943-runtime-context-helpersjcwalker3prgs-authorThe exact owner renewed the issue lock through the sanctioned author workflow. Renewal produced canonical owning-PR evidence showing:
pr_number=944local_head == remote_head == recorded_head == accepted_head == pr_headhead_relation=equalDespite that evidence, the read-only commit assessor and
gitea_commit_filesboth refused the commit because the shared duplicate recheck reported no owning-PR recovery exemption.Root cause
issue_lock_renewal.owning_pr_renewal_evidenceconstructs the owning-PR waiver for a sanctioned exact-owner renewal.That evidence is consumed during
gitea_lock_issue, but_enforce_locked_issue_duplicate_recheck, shared by subsequent commit/push/PR gates, derives its exemption only fromrecovered_owning_pr_from_lock.That recovery path reads
dead_session_recoveryevidence but not the canonicallease_renewalevidence persisted by an ordinary exact-owner renewal.The waiver therefore exists during renewal and disappears before the next author mutation.
This resembles the wiring class exposed by #941: the decision logic exists, but not every enforcement path receives its result.
Impact
Expected behavior
The shared owning-PR duplicate recheck must recognize canonical exact-owner renewal evidence wherever the same exemption is supposed to apply.
It must permit continuation only when the existing open PR is conclusively the current issue's owning PR and all ownership, branch, head, identity, profile, repository, and session bindings match.
It must continue to fail closed for missing, stale, conflicting, expired, released, replaced, or unrelated evidence.
Acceptance criteria
Centralize or consistently propagate canonical owning-PR continuation evidence to every relevant enforcement path.
_enforce_locked_issue_duplicate_recheckrecognizes valid exact-owner renewal evidence in addition to sanctioned dead-session recovery evidence.The exemption is bound to the exact:
Valid exact-owner renewal permits the intended update of the existing owning PR.
It does not authorize creation of a second PR or unrelated commit.
Missing or ambiguous evidence fails closed.
Wrong issue, PR, branch, repository, identity, profile, or session fails closed.
Head divergence, force-push, stale recorded head, or unrelated remote movement fails closed or requires the canonical recovery flow.
Expired, released, replaced, or non-owning leases cannot produce an exemption.
Duplicate prevention remains enforced for genuinely duplicate or unrelated work.
Commit, push, and applicable PR-update gates use the same authoritative decision.
Structured refusal results preserve reason codes, retryability, transport survival, and audit evidence.
Regression tests cover both ordinary exact-owner renewal and dead-session recovery.
Tests reproduce the PR #944 failure before the fix and prove sanctioned continuation after the fix.
Tests prove no exemption is granted solely because an open PR exists.
Implementation is delivered in a separate issue branch and PR with independent review.
After merge, restart the MCP fleet at the resulting master revision and recommission the gate.
Preserve the uncommitted PR #944 repair until the deployed fix allows it to be committed and pushed normally.
Protected recovery state
Until this issue is fixed and deployed:
issue-943-runtime-context-helpersworktree exactly as-is.f49e781102b9f363834c28c055f69639d16290c9.622intact.Related work
622— requested changes addressed locally[THREAD STATE LEDGER]
What is true now
PR #946 implements #945 and is open at head
79334d48408fd446ddf1e8be332495960b847af6, whose parent equals livemasterataab54d4825270f5a5c6f9c1abc1ab09eb4f3e218, so there is no base drift. It carries one formal REQUEST_CHANGES review, review623, posted bysysadminat that exact head and undismissed. Scope is exactly three files at+593/−7.623at head79334d48408fd446ddf1e8be332495960b847af6;has_blocking_change_requeststrue;approval_at_current_headfalse; PR state open, not integrated intomaster.623and re-read back at the same head; review complete, reviewer lease released.What changed
A full independent review ran at the exact head from isolated reviewer worktrees under
branches/. The implementation was verified correct: the renewal evidence rebuild, the shared resolver, recovery-first precedence matching the lock path, and the rewiring of all three enforcement paths. The branch introduces no test regression — failing test id sets are identical at head and at a clean base worktree. One blocking finding was established by experiment rather than by inspection, and review623was posted at the reviewed head. The reviewer changed no repository code; the throwaway probe worktree used to demonstrate the finding was removed.What is blocked
Integration of PR #946 into
masteris blocked. It holds no approval at its current head, and an undismissed REQUEST_CHANGES stands.B1 (blocker) — the wiring #945 exists to install has no regression coverage.
tests/test_issue_945_owning_pr_renewal_continuation.pyexercises the new helpers and the duplicate gate directly but never drives_enforce_locked_issue_duplicate_recheck,gitea_assess_work_issue_duplicate,_prove_author_ownership_for_pr,gitea_commit_files, orgitea_create_pr. Reverting the primary wiring atgitea_mcp_server.py:2894to the recovery-only rebuild — which reintroduces this issue's exact defect — left the new suite at 49 passed and the full suite byte-identical to the PR's own result. No test in the repository detects it.F2 (medium) — the new claimant check compares two fields inside the same lock file and is not bound to the authenticated caller; real cross-session binding comes from
read_session_issue_lock()keying onsession-{os.getpid()}.json.F3 (minor) —
_owning_pr_continuation_from_lockfalls through to renewal when a recovery block is present but fails validation, even when the two name different PRs. Unreachable through the sanctioned writer, sincegitea_lock_issuerebuilds its record per call.Who/what acts next
jcwalker3on PR #946, in thegitea-authornamespace under profileprgs-author.623at a new head, then obtain a fresh independent review at that new head.Do not do:
master. It holds no approval at its current head.623, and do not self-review the remediation.issue-943-runtime-context-helpersworktree.622.masterand the fleet is restarted at that revision.Canonical Issue State
STATE: changes-requested
WHO_IS_NEXT: author
NEXT_ACTION: Author jcwalker3 must address review 623 on PR #946 — add regression coverage that drives the real enforcement paths with a renewal-bearing lock so that reverting gitea_mcp_server.py:2894, :5179, or :19464 fails a test (B1), correct or strengthen the caller-binding claim (F2), optionally make the conflicting-evidence guarantee explicit (F3), push to a new head, and publish a head-pinned handoff for a fresh independent review.
NEXT_PROMPT:
WHAT_HAPPENED: An independent review at the exact head read all three changed files, traced the evidence flow from owning_pr_renewal_evidence through the new rebuild, the shared resolver, and all three enforcement paths into issue_work_duplicate_gate._assess_owning_pr_exemption, and probed precedence and fall-through behaviour directly against the patched modules. The wiring, precedence and fail-closed matrix are correct. Reverting the primary wiring in a throwaway worktree at the same head left the new suite at 49 passed and the full suite byte identical to the PR's own result, proving no test protects the fix. Targeted and full suites ran at head and at a clean base worktree; failing test id sets are identical. Review 623 was posted at head
79334d4840and the reviewer lease was released.WHY: #945 exists because a correct decision layer was never wired into the paths that enforce it. PR #946 wires it correctly but ships no test that fails if the wiring is removed, so the same class of defect can silently return. The sibling recovery suite for #755 already drives the real MCP handler for exactly this reason, so the bar is established in this repository.
RELATED_PRS: #946 (open, head
79334d4840, REQUEST_CHANGES review 623)BLOCKERS: code blocker
VALIDATION: New #945 suite at head: 49 passed, 8 subtests. Targeted 24-file sweep at head: 1 failed, 514 passed, 32 subtests in 32.49s; at clean base worktree
aab54d48: 1 failed, 465 passed, 24 subtests in 32.13s; the single failure test_pidless_durable_lock_rejected reproduces on base in isolation. Full suite at head: 28 failed, 5574 passed, 6 skipped, 1002 subtests in 149.90s. Full suite at base: 28 failed, 5525 passed, 6 skipped, 994 subtests in 148.91s. Failing test id sets identical, so no regression originates from this branch. Wiring-revert probe at the same head: new suite 49 passed, full suite 28 failed / 5574 passed with an identical failing id set, demonstrating the absent coverage. Base reproduction of the new suite fails with AttributeError at call time on both new symbols, 0 collection or fixture errors. Parity at review time: live_stale false, restart_required false, mutation_safe true; live masteraab54d4825equals the PR head parent.LAST_UPDATED_BY: sysadmin / prgs-reviewer / gitea-reviewer namespace, reviewer lease session 93257-9ba6b15dd243