Normalize status cache path persistence

[KristopherKubicki]

Summary

• ensure status cache persistence handles paths without directory components
• add regression coverage for persisting cache files created in the current working directory

Testing

• pytest tests/test_status_cache.py

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Codex Task

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✨ Finishing touches

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• Create PR with unit tests
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• Commit unit tests in branch codex/update-status-cache-normalization-and-tests

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

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[Copilot]

Pull Request Overview

This PR fixes a bug in the status cache persistence logic that would fail when STATUS_CACHE_PATH contains no directory component (e.g., just a filename like "cache.json"). The fix ensures that os.makedirs() is called with "." instead of an empty string when the path has no directory.

• Modified _persist_status_cache() to handle paths without directory components by using or "." fallback
• Added comprehensive test coverage for the edge case of persisting cache files in the current working directory

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
app/utils/status_cache.py	Fixed _persist_status_cache() to handle cache paths without directory components by defaulting to "." when os.path.dirname() returns empty string
tests/test_status_cache.py	Added new test class TestStatusCachePersistenceNoDirectory with regression test for persisting cache files without directory paths

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[github-actions]

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