Make review resolution weigh material value

[shinpr]

Summary

• require review findings to establish a material effect before discretionary corrections
• compare discretionary effects with the full cost of implementing, verifying, and retaining the response
• preserve required corrections while allowing low-value review suggestions to be declined
• bump the package and local plugin versions to 0.26.1

Verification

• pnpm sync:check
• claude plugin validate .claude-plugin/marketplace.json
• claude plugin validate dev-workflows
• claude plugin validate dev-workflows-frontend
• claude plugin validate dev-workflows-fullstack
• claude plugin validate dev-skills
• git diff --check
• representative Claude Opus 5 runs declined trivial cleanup and applied material lifecycle-cost and required corrections