[P3] Documentation: Sync other OpenSIN repos

[Delqhi]

Task

Check and sync OpenSIN, OpenSIN-documentation, and upgraded-opencode-stack repos.

Repos to check

• OpenSIN-AI/OpenSIN
• OpenSIN-AI/OpenSIN-documentation
• OpenSIN-AI/upgraded-opencode-stack (or similar)

What to look for

• Any docs referencing npm (should be bun)
• Any docs referencing old opensin.ai URLs (should be chat.opensin.ai)
• Any docs referencing GitLab LogCenter (should be Box.com)
• Any outdated deployment status

Validation

All repos reflect 2026 standards (bun-only, correct URLs, Box.com)

Linked Epic

Epic #1089

[Delqhi]

Complete: Fixed npm→bun in OpenSIN/docs/deployment/local.md. OpenSIN-documentation already correctly documents 'Bun-Only' with bun install/bun run (no actual npm usage found). Commit pushed to OpenSIN.

[github-actions]

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