Split security package, add Groq happy E2E

[SemTiOne]

Split security.py into a package with no logic changes, plus one Groq happy-path E2E as a regression test.

[github-actions]

♟️ chess-review-bot — PR Game Review

Accuracy: 43.0/100 · 8 files · +601/-428 · 2 Blunder??

File	Category	Why
standup/security.py	Good	no notable risk or quality signals
standup/security/__init__.py	Mistake?	change appears to be keyboard smash or low-entropy content
standup/security/_keyring.py	Mistake?	contains debug artifact (print, pdb, console.log, etc.)
standup/security/_permissions.py	Blunder??	3 possible credential(s) detected in diff
standup/security/_redact.py	Blunder??	4 possible credential(s) detected in diff
tests/test_ci_quality.py	Excellent	moderate change, no risk signals
tests/test_main_e2e.py	Mistake?	contains debug artifact (print, pdb, console.log, etc.)
tests/test_security.py	Excellent	moderate change, no risk signals

chess-review-bot scores diffs, not people. Run chessreview --format text locally for the full report.

[codecov]

Codecov Report

❌ Patch coverage is 98.73418% with 2 lines in your changes missing coverage. Please review.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
standup/security/_permissions.py	96.72%	2 Missing ⚠️

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