Intake Wave 4 Lane 1 commit-snapshot plugins into registry

[linear-code]

Intakes seven Wave 4 Lane 1 commit-snapshot plugins into registry/index.json and hardens audit by matching repo slugs and failing fast on missing README.

[linear-code]

NUM-102

[coderabbitai]

⚠️ Possible Duplicate Issue(s)

• Promote Lane 1 commit-snapshot plugins and add Go CI #92

🔗 Related PRs

#36 - Promote wave1 Nu 0.114 plugins (5) [merged]
#40 - Promote wave2 Nu 0.114 plugins (5) [merged]
#42 - Mark wave2 plugins PROMOTED after registry publish [merged]
#45 - docs: note Windows lifecycle-prove for wave2 [merged]
#90 - docs: update roadmap and backlog with intake reform candidate waves [merged]

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