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Pin unchanged upstream parser and public synthetic fixtures for issue wonderwhy-er#731. Record known false positives and false accepts separately from denied controls. No production parser, policy, connector, or execution changes.
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Included review availability: This review used your included allowance. Your plan provides up to 8 included reviews per hour; 7 remain after this review. 📝 WalkthroughWalkthroughAdds an offline Node.js 24 diagnostic kit for a pinned parser snapshot. It defines 16 fixture cases, verifies source and fixture hashes, evaluates the parser in a restricted VM, and records observed results and execution limits. ChangesParser diagnostic reproduction
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Other Sequence Diagram(s)sequenceDiagram
participant NodeCLI
participant verifyDiagnostic
participant manifest.json
participant fixtures.json
participant VM
participant commandManager
NodeCLI->>verifyDiagnostic: Run diagnostic
verifyDiagnostic->>manifest.json: Check metadata and pinned hashes
verifyDiagnostic->>fixtures.json: Load fixture definitions
verifyDiagnostic->>VM: Evaluate prepared parser with fixtures
VM->>commandManager: Extract and validate commands for each fixture
commandManager-->>VM: Return command names and denial results
VM-->>verifyDiagnostic: Return observations and isolation state
verifyDiagnostic-->>NodeCLI: Return JSON report or refusal
Merge Risk: ⚪ Minimal · up to This change adds an isolated, offline diagnostic kit for reproducing the parser behavior discussed in issue 731. It does not change runtime behavior of the product, so merge risk is minimal. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 3 functions across 3 files. (8 skipped: 8 unsupported.)
✨ Finishing Touches🧪 Generate unit tests (beta)
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The command-name extractor can classify non-executable content in ordinary PowerShell single-quoted strings as a blocked command. This is relevant to the quoting problem discussed in #731 and makes benign script text difficult to distinguish from executable controls during review.
This contribution adds a standalone diagnostic under diagnostics/issue-731. It pins a byte-identical public upstream command-manager.ts snapshot and its MIT license, a closed set of synthetic fixture strings, and a dependency-free Node.js 24 launcher. There are no changes to production source, configuration, approval rules, package scripts, or connector behavior.
The diagnostic records 16 known observations:
An exit status of zero means the pinned behavior was reproduced. It does not mean the parser is fixed, that filtering is complete, or that Windows execution is approved. Ten launcher regression tests check integrity, fixed inputs, complete/known observations, and refusal when a blocked-control result changes.
Verification recorded on Linux with Node.js 24.19.0:
Fixture text is never executed. Native PowerShell AST/execution, a full TypeScript/package build, and installed-connector integration remain unrun. This diagnostic does not contain the previously proposed replacement parser or any private rejected request.
Related discussion:
#731
Previously published, unaccepted proposal for maintainer review:
#731 (comment)
Please confirm whether this location and Node 24 prerequisite fit the project, and identify the supported correction and acceptance process. Maintainer review is needed before any change to command validation.
Summary by CodeRabbit