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docs(test): LIM-1322 non-finite ingress qualification evidence - #80
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Add regression tests for a finite packet after non-finite rejection on backend and direct-enqueue paths. Document non-finite ingress behavior and the backend vs drained-path tick distinction in README and CHANGELOG. Co-authored-by: Raul Cardenas Montoya <montoyaraul34@gmail.com>
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Merge Risk: ⚪ Minimal · up to No actionable merge-blocking risk is established; the PR is mergeable after normal checks. Pre-merge checks |
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| Check name | Status | Explanation | Resolution |
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| Docstring Coverage |  |
Docstring coverage is 43.75% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 16 functions across 1 files. (2 skipped: … | Write docstrings for the functions missing them to satisfy the coverage threshold. |
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Check name Status Explanation Title check The title clearly identifies the documentation and test evidence added for non-finite ingress handling under LIM-1322. Description check The description directly explains the regression tests, documentation updates, affected runtime paths, and reported validation results. Linked Issues check Direct issue #66is closed and supplies historical context only. No active directly linked coding requirements apply. The PR adds the stated LIM-1322 acceptance evidence: recovery tests and documentat…Out of Scope Changes check The changes stay within the stated acceptance-evidence scope. src/daemon.rsadds shared test setup, backend and direct-enqueue recovery tests, and tick-behavior coverage.README.mdand `CHANGELOG.…
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Explanation
Docstring coverage is 43.75% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 16 functions across 1 files. (2 skipped: 2 unsupported.)
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This PR successfully adds comprehensive test coverage and documentation for non-finite ingress qualification (LIM-1322). The changes include:
- Changelog entries documenting the fail-closed non-finite ingress protection
- README documentation explaining NaN/±Inf handling and tick-outcome distinctions
- Regression tests verifying finite packets are accepted after rejection on both backend and direct-enqueue paths
The test implementations correctly verify the documented behavior with no defects found. The documentation accurately describes the dual-gate approach (backend and drained-path) and the intentional tick-outcome differences. All 153 tests passing confirms the acceptance evidence is solid.
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Code Review Summary
| Analyzer | Status | Updated (UTC) | Details |
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Oct 10, 2026 5:18a.m. | Review ↗ |
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Up to standards ✅🟢 Issues
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| Metric | Results |
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| Complexity | 19 |
| Duplication | -2 |
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drive_repeating and drive_sequence both used a copied run_tick setup, and the direct-enqueue recovery test exceeded the large-method limit. One TickFixture owns that setup; the recovery case enqueues through a short helper. Co-authored-by: Raul Cardenas Montoya <montoyaraul34@gmail.com>
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CodeAnt Nitpicks2 code suggestions1. If another sensory or reward packet is queued,
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Inline comments:
Review comments at @README.md:
- Line 331: Update the backend-source tick outcome wording to clarify that
zero-filling occurs only when the drained sensory input supplies no stimuli; a
queued finite sensory packet can provide the tick’s input. Apply this
clarification in README.md at 331-331 and CHANGELOG.md at 145-146.
Review comments at @src/daemon.rs:
- Around line 1982-1983: Update drive_sequence to return the final stimuli and
assert the recovery test receives 0.25; in the direct-enqueue test, assert
fixture.stimuli equals vec![0.5]. Keep the existing recovery and emission
assertions.
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CHANGELOG.mdREADME.mdsrc/daemon.rs
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All reported issues were addressed across 3 files
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View guided diff | Turn on auto-fix | Re-trigger cubic
Zero-fill after a dropped backend packet only happens when the drain has no sensory input. Rate-limited diagnostics and freshness apply to the daemon finite gates; typed source warnings and held-modulator replays are called out separately. Recovery tests now check the decoded stimulus. Co-authored-by: Raul Cardenas Montoya <montoyaraul34@gmail.com>
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All reported issues were addressed across 3 files (changes from recent commits).
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View guided diff | Turn on auto-fix | Re-trigger cubic
CodeScene still cloned drive_repeating and drive_sequence. The sequence case now ticks TickFixture directly. A hybrid test keeps a queued finite sensory packet when the backend frame is non-finite, and the docs describe zero-fill as padding channels the drained vector does not cover. Co-authored-by: Raul Cardenas Montoya <montoyaraul34@gmail.com>
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User description
Summary
Core non-finite ingress protection for v0.3.0 is already on
main(#72, #73, with #76 forrun_tickcohesion). This PR closes the remaining acceptance-evidence gaps called out on LIM-1322:StimulusSourcepath and the directBoundedIngressenqueue path.NaN/±Infhandling and the intentional backend vs drained-path tick distinction (zero-fill step vs skip step for that tick).Review dispositions (already on main)
observes_ingressrequires a finite payload, so rejected non-finite packets never emitIngressObserved/ refreshinput_freshness(fix(ingress): stabilize non-finite limiter key and count once #73).rejectednon-finite backend frames incrementrejected_batchesonce inaccount_and_admit_backend_packetand are not re-admitted.Test plan
cargo fmt --checkcargo clippy --locked --all-targets -- -D warningscargo test --locked(153 passed)Evidence:
/opt/cursor/artifacts/lim-1322-verification.mdFixes #66 (implementation history)
Linear Issue: LIM-1322
Summary by cubic
Adds regression tests and documentation proving that a finite packet is accepted after a non-finite ingress is rejected, with a documented fail-closed path for
NaN/±Infacross every runtime entry point.StimulusSourcepath, the directBoundedIngressenqueue path, and a hybrid case where a queued finite sensory packet survives a non-finite backend drop.network.stepfor that tick.rejected_batchesonce, never refreshinput_freshness, and leave the daemon live; rate-limited diagnostics apply to the daemon finite gates, with typed source warnings and held-modulator replays called out separately.TickFixtureharness deduplicatesrun_ticksetup across repetition, sequence, and direct-enqueue tests, with the sequence case now ticking the fixture directly.Written for commit ad7abfe. Summary will update on new commits.
CodeAnt-AI Description
Document and verify non-finite input rejection and recovery
What Changed
NaNand infinite stimuli or modulators are rejected across runtime input paths and do not refresh input freshness.Impact
✅ Clearer NaN and infinity handling✅ Verified recovery after rejected input✅ Documented when invalid input skips a simulation tick💡 Usage Guide
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