Recognize reversed Python main guards

[tin-computer]

Summary

• Add a human-labeled fixture for the valid reversed Python main guard if "__main__" == __name__:.
• Recognize that single valid operand order as Python entrypoint evidence.
• Keep comments, documentation strings, a different variable, and != comparisons out of entrypoints.

Measured correction

• Unchanged analyzer: precision 1.0, recall 0.0 (TP 0, FP 0, FN 1).
• Corrected analyzer: precision 1.0, recall 1.0 (TP 1, FP 0, FN 0).
• Fixture-first evidence: 902188a; failing regression: f7882ea; correction: 439d48a.

Validation

• Focused Python entrypoint checks: 9 passed.
• Full analyzer suite: 673 passed across 57 files.
• Lint passed.
• Type checking passed.

This PR is intentionally unmerged for review.

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Project	Deployment	Actions	Updated (UTC)
repo-atlas	Ready	Preview	Aug 22, 2026 2:20am