ImageResponse local fonts fixed; navigation inspector surfaces blocking errors

Misc Changes

• Restore canary version 16.3.0-canary.66 after v16.3.0-preview.4 preview release
• Fix local fonts in statically prerendered ImageResponse metadata route: #95121
• docs(root-params): generateStaticParams section and CC requirement: #95073
• Surface an error for blocking routes under the Navigation Inspector: #95139
• Suppress prefetch={true} warning when route opts out via instant = false: #95099
• skill(cc-adoption): recommend next-dev-loop and add build-only path: #95122

Credits

Huge thanks to @unstubbable, @icyJoseph, @acdlite, and @aurorascharff for helping!