Add research editor authorship governance

[zhengjynicolas]

/claim #12

Summary

• Adds a focused authorship and submission approval governance module for the collaborative research editor.
• Checks CRediT contribution coverage, author approvals against the current manuscript hash, COI disclosures, non-author contributor gaps, blocking comments/suggestions, scientific asset owner approvals, submission actions, and deterministic audit digests.
• Includes sample data, requirement mapping, tests, and a real terminal demo video.

Demo video

• GitHub video: https://github.com/zhengjynicolas/SCIBASE.AI/blob/codex/authorship-submission-governance-12/research-editor-authorship-governance/docs/authorship-governance-demo.mp4
• Raw MP4: https://raw.githubusercontent.com/zhengjynicolas/SCIBASE.AI/codex/authorship-submission-governance-12/research-editor-authorship-governance/docs/authorship-governance-demo.mp4

Verification

• npm run check
• npm test
• npm run demo
• git diff --cached --check
• ffprobe research-editor-authorship-governance/docs/authorship-governance-demo.mp4

[zhengjynicolas]

/claim #12