Adds GitHub Copilot VS Code instruction and prompt files for ECC workflows, with VS Code prompt frontmatter/settings aligned to current docs and tests covering the surface.
Co-authored-by: Girish Kanjiyani <girish.kanjiyani5040@gmail.com>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
The Claude Code plugin validator rejects the "agents" field entirely.
Remove it from the manifest, schema, and tests. Update schema notes
to document this as a known constraint alongside the hooks field.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>