v1.0.5

Release the latest local skill versions with refreshed documentation and discovery metadata.

• Verify all 18 skills match their latest installed Codex copies and pass skill validation.
• Refresh the root and bundle READMEs to describe the current workflows.
• Add five-whys and github-release-builds to the discovery index and correct the skill count to 18.
• Set both plugin bundles and the root manifest to version 1.0.5.

Updates since v1.0.4 include bounded implementation planning without shipping procedures, complete-batch adversary reviews, GPT-6 Astra medium reviewers for plan execution, and workspace-root PersonaStack plan storage.