Add jsx and jsxImportSource compiler options to enable hono/jsx server-side
rendering in .tsx files without per-file JSX pragmas.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Runs on push/PR to main. Also adds skipLibCheck to tsconfig to silence
pre-existing errors in vite/vitest declaration files that don't affect
the Worker build.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>