[github-actions]

Summary

• add new csdd community extension entry to extensions/catalog.community.json in alphabetical order
• set catalog entry sha256 to the downloaded archive digest
• update docs/community/extensions.md community extensions table with the new CSDD row in alphabetical order

Validation

All required validation checks completed and passed:

• issue title prefix is valid ([Extension]:)
• extension ID format is valid (csdd)
• version format is valid semver (1.2.0)
• repository is publicly accessible and contains extension.yml, README.md, and LICENSE
• download URL is repo-scoped, tag-pinned, version-matching, and returned HTTP 200
• tag release exists (v1.2.0)
• checksum comparison passed (sha256sum --check --strict reported OK)
• required testing/submission checklists are checked

Closes #5061

cc @williamyuan86

Generated by 🧩 Add Community Extension from Issue Submission for #5061 · copilot · gpt53codex · 35 AIC · ⌖ 0.766 AIC · ⊞ 25.4K · ◷

[Copilot]

🟡 Changes recommended

The catalog omits the submitted minimum tool versions, causing extension information to advertise broader compatibility than declared.

1 open issue

• Declare minimum versions for required tools · New

What changed in this PR

Adds CSDD — Controlled Spec-Driven Development v1.2.0 to Spec Kit’s community extension catalog and discovery documentation.

Changes:

• Registers CSDD with a tag-pinned archive, SHA-256 checksum, requirements, and command metadata.
• Refreshes the catalog timestamp and adds the matching documentation row in alphabetical order.

File	Description
extensions/​catalog.community.json	Adds the CSDD entry and updates the catalog timestamp.
docs/​community/​extensions.md	Adds CSDD to the community extensions table.

_{Review effort: Max}