feat: add local inventory workflow and pairing CLI wrappers

[Vardominator]

Summary

• add local inventory workflow () with {
  "path": "/home/vbarsegyan/ai-insanity/oco/inventory/instances.local.yaml",
  "template": "/home/vbarsegyan/ai-insanity/oco/inventory/instances.example.yaml",
  "status": "skipped"
  }
• add CLI wrappers for pairing () and
• simplify scripts/docs and remove phase-specific demo naming
• add inventory template file and update tests/docs

Validation

• bun run typecheck
• bun test
• secret-pattern scan on changed files (no sensitive values found)