[limen GEN-organvm-iv-taxis-.github-test-coverage-0620] Raise test coverage in organvm-iv-taxis/.github

[4444J99]

Autonomous limen dispatch of task GEN-organvm-iv-taxis-.github-test-coverage-0620.

Find the largest source module in organvm-iv-taxis/.github with little or no test coverage and add a focused, PASSING test suite for it. Run the repo's own test command and confirm green. No placeholder tests. [auto-generated 2026-06-20 to keep the stream endless]

Produced in an isolated worktree off origin — review before merge.

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Avoid requiring undeclared PyYAML for make test

The new local test suite imports yaml, but PyYAML is not part of the Python standard library and this repo has no dependency manifest while its metadata says it has no external dependencies. On a clean checkout without extra Python packages, the newly documented make test path fails during import with ModuleNotFoundError: No module named 'yaml' before any assertions run, so contributors following the README cannot run the validation suite unless they guess an undeclared install step; either declare/install this dependency or use an available stdlib-based check.

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