feat: wire loop-gate into starter loop scripts

[THRISHAL12345]

Summary

Wire loop-gate into the pattern starters to mechanically enforce the static safety policy before agents commit or merge code.

Changes

• New pattern or starter (followed templates/pattern-template.md + updated registry.yaml)
• Doc / example improvement
• Tool change (loop-audit)
• Story (includes real failure or surprise + lesson)

Checklist (from CONTRIBUTING)

• All required sections present for patterns
• Links work from README, patterns/README, starters/README, docs/index
• No secrets, tokens, internal company URLs
• STATE.md* examples use .example suffix
• Safety-related content references docs/safety.md
• Ran node tools/loop-audit/dist/cli.js . (or on the starter) and addressed findings

Testing / Dogfood

• loop-audit passes on affected starters or this repo (Score 100/100, L3)
• Manual review of generated state / skill output

Screenshots / Examples (if UI or command output)

N/A (Backend loop prompt and configuration updates).