v1.2.1
Adds .github/workflows/validate.yml: runs `claude plugin validate . --strict` on every push/PR so a broken manifest can't land on main silently. Confirmed to run without any API key/auth.
Adds .github/workflows/validate.yml: runs `claude plugin validate . --strict` on every push/PR so a broken manifest can't land on main silently. Confirmed to run without any API key/auth.