implement-to-merge-ready

MEDIUM W011: Third-party content exposure detected (indirect prompt injection risk).

• Third-party content exposure detected (medium risk: 0.30). This workflow ingests outsider-authored free text by reading GitHub PR comments/review threads/bot and agent feedback after the PR is opened (e.g., “Collect actionable human, bot, and agent feedback… from every available source” and “Check PR status… bot comments… unresolved review threads”).