Add DEPLOYMENT-MODES.md with canonical mode taxonomy. Update CLI.md,
DEVELOPING.md, PRODUCT.md, and SPEC-implementation.md with local_trusted/
authenticated nomenclature. Revise humans-and-permissions plan with Better
Auth choice, bootstrap flow, unified invite semantics, and expanded criteria.
Add implementation guide and additional plan documents for cursor cloud
adapter and deployment auth mode consolidation.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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