v0.66.6

Changes

• fix(ci): declare the ci environment on the homebrew publish job (81a10c1)
• feat(web): load the Google Ads gtag on every sysg.dev page (92aff07)
• chore(plugin): sync claude plugin version to v0.66.5 (6a23ac3)
• docs(blog): publish release post for v0.66.5 (25cf76d)

Full changelog on GitHub