fix(detect): recognize versioned Python agent wrappers

[plarson]

Summary

• recognize versioned Python runtime names such as python3.12
• inspect the wrapped script path so Nix-installed Hermes processes are identified
• add a regression test matching the observed python3.12 .../bin/hermes process shape

Verification

• regression test fails on unmodified master with None instead of Hermes
• regression test passes with this patch
• detection tests: 47 passed
• just lint: passed
• just ci was run locally; three unrelated live-handoff/API integration tests failed and one was reproduced unchanged on origin/master in a clean worktree

No documentation change is needed; this restores existing Hermes detection behavior for versioned Python launchers.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 580d781d-1586-4646-bb45-bebb04aa4cf2

📥 Commits

Reviewing files that changed from the base of the PR and between 763e3e5 and 05a52af.

📒 Files selected for processing (1)

• src/detect/mod.rs

🚧 Files skipped from review as they are similar to previous changes (1)

• src/detect/mod.rs

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📝 Walkthrough

Walkthrough

Python runtime detection now recognizes executables such as python3.12. Wrapped-agent detection uses this classification to identify Hermes launched through versioned Python wrappers. A regression test covers the python3.12 case.

Changes

Python runtime detection

Layer / File(s)	Summary
Recognize versioned Python runtimes src/detect/mod.rs	is_python_runtime recognizes python and numeric dotted Python executable suffixes.
Apply detection to wrapped agents src/detect/mod.rs	Wrapped-agent argument handling uses recognized versioned Python runtimes. A regression test covers Hermes launched through /nix/store/.../python3.12.

Estimated code review effort: 2 (Simple) | ~10 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes recognition of versioned Python agent wrappers.
Description check	✅ Passed	The description directly explains the detection changes, regression test, and verification results.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[greptile-apps]

Greptile Summary

The PR extends wrapped-agent detection to versioned Python executable names and adds a regression test for a Nix-installed Hermes process.

• Adds a shared predicate for numeric, dot-separated Python runtime versions such as python3.12.
• Uses that predicate for wrapped-script extraction and generic-runtime classification.
• Verifies detection of Hermes from the wrapped script path.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains.

Important Files Changed

Filename	Overview
src/detect/mod.rs	Broadens Python wrapper recognition to numeric versioned executable names and adds focused regression coverage; no eligible follow-up defect was identified.

_{Reviews (2): Last reviewed commit: "fix(detect): recognize versioned Python ..." | Re-trigger Greptile}

[Copilot]

Pull request overview

Improves agent-process detection so Hermes (and other wrapped agents) can be recognized when launched via versioned Python runtimes (e.g., python3.12), which is common with Nix-managed installs.

Changes:

• Extend generic runtime detection to treat python<version> (e.g., python3.12) as a Python runtime.
• Route versioned Python runtimes through the same “wrapped script name” parsing used for python/python3.
• Add a regression test covering the observed python3.12 .../bin/hermes process shape.

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