Compact LongTable interview guidance

[HosungYou]

Summary

• compress $longtable-interview into a positive compact pressure loop
• remove prohibition-first wording from the generated interview skill body
• keep generated skills centered on Tension: + one Pressure question: + direct answer
• update docs, smoke tests, and package versions to 0.1.71

Verification

• npm run release:check
• npm audit --omit=dev
• git diff --check
• installed generated Codex and Claude skills locally and inspected longtable-interview/SKILL.md