Félix Malfait 8896d8e565 docs(codex-plugin): use apply and plan commands (#24512) ...

## Summary

- replace deprecated `twenty dev --once` examples with the bounded
`twenty apply` command
- document `twenty plan` as the read-only preview path
- update the cross-document contract validator
- add a failing fixture for reintroducing the deprecated guidance

## Validation

- `npx nx run twenty-codex-plugin:validate --skip-nx-cache`
- `npx nx run twenty-codex-plugin:test --skip-nx-cache` — 32 passed

Audit source: https://github.com/twentyhq/core-team-issues/issues/2784

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2026-08-21 15:37:02 +02:00

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assets.js

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cross-doc-contracts.js

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lib.js

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metadata.js

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references.js

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setup-helper.js

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skills.js

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