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fix(OMN-16490): replace whole-file grep with per-emission hookEventName check - #2044
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…me check
scripts/check_hook_event_names.sh tested hookEventName with a whole-file
`grep -q`, so any file carrying one conforming emitter masked every
non-conforming emission beside it. That is how session-start.sh:145 shipped
a hookEventName-less SessionStart envelope while the same file's three
full-mode emissions (1533/1542/1546) kept the guard green. OMN-16416 fixed
:145 and explicitly deferred this guard fix; this closes it (OMN-16490).
The check is now per-emission: walk each hookSpecificOutput mention, look
for hookEventName within a proximity window (default 12, overridable via
HOOK_EVENT_NAME_PROXIMITY), report file:line. The window is required
because one emission legitimately spans lines in both directions (jq
pipelines set hookEventName first and chain assignments after; jq/python
object literals open the envelope first and set hookEventName later).
Excludes shell/python comments, python docstring bodies (triple-quote
state tracked, including the opening line), the hook test harnesses, and
an inline `# hook-event-name: not-an-emission` escape mirroring the
existing allowlist-pragma convention.
Two real call sites the stricter check surfaced:
- post-skill-delegation-enforcer.sh:88 emitted `{hookSpecificOutput: {}}`
on its exempt path -- a real defect, Claude Code rejects an envelope
with no hookEventName. Now emits hookEventName: "PostToolUse", matching
the file's other emission.
- skip_token_surface_guard.py:271 -- pragma added; an argparse help=
string that merely names the field.
Verification: guard passes on current dev; reintroducing the :145
regression is caught at that exact line (the old grep -q form passes the
same file); tests/hooks/test_hook_event_names.py 5/5 green including its
own synthetic negative case.
Recreated from stalled fork PR #2031 (same diff,
verified byte-identical via gh pr diff), which could not be repaired in
place: its branch and sole commit both named the ticket this work was
originally filed under (OMN-9072) rather than the ticket it was refiled
under after Linear triage (OMN-16490), tripping the Receipt Gate's
identity-binding check, and the PR is from a fork (maintainerCanModify=
false) so no fixing commit could be pushed to it. Per repo doctrine
(spawn fresh lanes, not raw-ID resumes), this PR replaces #2031 rather
than attempting to repair it. #2031 is being closed with a cross-reference
to this PR.
Closes OMN-16490
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OCC autobind did not mint a companion for this PR: no changed-file candidate could be proven RED against the merge base, and emitting a PR-existence probe instead would be non-falsifiable evidence (OMN-15247). Hand-authored evidence is required. |
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📝 WalkthroughWalkthroughThe pull request updates the secrets baseline timestamp, marks a help-text occurrence as non-emitting, emits ChangesHook event guard
Baseline maintenance
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🔵 Low · up to The validation change can still be bypassed when nearby comments or docstrings contain hookEventName, allowing an invalid hook envelope to pass checks and potentially omit context at runtime. This is a bounded merge-readiness risk that should have explicit owner follow-up. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 3 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Inline comments:
In `@scripts/check_hook_event_names.sh`:
- Around line 19-28: Update the event-name proximity check around the window
scan to ignore comment lines and Python docstring lines before testing for
hookEventName, so only executable or emission-related content provides coverage.
Preserve the existing proximity-window behavior and malformed-emission
detection.
🪄 Autofix
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
Review profile: CHILL
Plan: Pro
Run ID: a41875d4-3fa3-43f3-93ff-70bb432d4ebe
📒 Files selected for processing (4)
.secrets.baselineplugins/onex/hooks/lib/skip_token_surface_guard.pyplugins/onex/hooks/scripts/post-skill-delegation-enforcer.shscripts/check_hook_event_names.sh
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| Verdict | Meaning | Blocks merge? |
|---|---|---|
passed |
No critical/error findings | No |
blocked |
CRITICAL or ERROR findings found | Yes |
degraded |
Reviewer ran but every model failed mid-run | No (pilot) |
infra_error |
cli_review failed to run at all (install/crash) after 2 attempts | Yes |
Powered by omniintelligence.review_pairing.cli_review — node-based adversarial review via HandlerLlmCliSubprocess (OMN-8524)
…7121) * evidence: OCC companion pass 1 for OmniNode-ai/omniclaude#2044 * evidence: OCC companion self-bind for #7121 --------- Co-authored-by: node-occ-companion-effect <occ-companion-effect@omninode.ai>
1 participant
Closes OMN-16490
Follow-up to OMN-16416 (#2021), which fixed
session-start.sh:145. This fixes the guard that should have caught it.The hole
scripts/check_hook_event_names.shtested:That is a whole-file check. Any file with at least one conforming emitter masks every non-conforming one beside it.
session-start.shsetshookEventNameat 1533/1542/1546, so the file passed while:145shipped ahookEventName-less SessionStart envelope — silently droppingadditionalContextfor every lite-mode session.The fix
Walk each
hookSpecificOutputmention; look forhookEventNamewithin a proximity window; reportfile:line.A window is needed because one emission legitimately spans lines in both directions — jq pipelines put
hookEventNamefirst and chain.hookSpecificOutputassignments after it, while jq/python object literals open the envelope and sethookEventNamelater.Window default is 12, chosen empirically as the smallest value that clears every in-tree false positive. The binding case is
lane_termination_guard.py, which builds the envelope at:387and mutates it at:398. Overridable viaHOOK_EVENT_NAME_PROXIMITY.Keeping it usable
The naive version reported 26 offenders on a clean tree — it was matching prose. Excluded: shell/python comments, python docstring bodies (tracked by triple-quote state, including the opening line), the hook test harnesses, and an inline
# hook-event-name: not-an-emissionescape mirroring the allowlist-pragma convention already used here.Known limitation, documented in the script: two emissions closer together than the window can mask each other. Far smaller than whole-file matching, and it fails toward false-negative rather than blocking a correct push.
Two call sites the stricter check surfaced
post-skill-delegation-enforcer.sh:88— emitted{hookSpecificOutput: {}}on its exempt path. A real defect: Claude Code rejects an envelope with nohookEventName. Now emitshookEventName: "PostToolUse", matching the same file's other emission at:105.skip_token_surface_guard.py:271— pragma added; an argparsehelp=string that merely names the field.Verification
dev:145regression is caught at that exact line; the oldgrep -qpasses the same filetests/hooks/test_hook_event_names.py— 5/5 green, including its own synthetic negative casepre-commit run --hook-stage pre-push --all-filesclean (no new findings; the handful of secrets-scanner hits on unrelated pre-existing files —metrics.py,node_golden_chain_sweep_orchestrator/__main__.py, and pre-existing lines 22/68 inskip_token_surface_guard.pyfar from this PR's line-271 edit — are not introduced by this diff)Provenance
Recreates the diff from stalled fork PR #2031 (verified byte-identical via
gh pr diff 2031). #2031 could not be repaired in place: its branch (awu42/omn-9072-emission-granular-guard) and sole commit both name the ticket this work was originally filed under (OMN-9072), not the ticket it was refiled under after triage (OMN-16490) — tripping the Receipt Gate's identity-binding check — and the PR is from a fork (maintainerCanModify=false), so no fixing commit could be pushed to it. Per repo doctrine (spawn fresh lanes, not raw-ID resumes), this PR replaces #2031, which is being closed with a cross-reference to this PR.OCC evidence for OMN-16490 is already satisfied by the merged autobind companion onex_change_control#7037 (self-bind receipt
occ-self-bind-pr-7037); a superseded manual companion attempt, onex_change_control#7058, is being closed as redundant.Ticket
OMN-16490
Evidence-Ticket: OMN-16490
Evidence-Source: OCC#7121
Summary by CodeRabbit
Bug Fixes
PostToolUseevent.Chores