Gospel courtroom page: tabs, plea dropdown, plea email, Acts, accuser/charges, site nav and links; fix service worker for /salvation; courtroom contact type; accept community type; v2.39.0

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

server/routes/public.js

@@ -67,7 +67,7 @@ export function register(app) {
     const root = canonical.endsWith('/') ? canonical.slice(0, -1) : canonical
 
     res.type('text/plain').send(
-      ['User-agent: *', 'Allow: /', 'Disallow: /salvation', `Sitemap: ${root}/sitemap.xml`].join('\n'),
+      ['User-agent: *', 'Allow: /', `Sitemap: ${root}/sitemap.xml`].join('\n'),
     )
   })
 
@@ -111,6 +111,8 @@ export function register(app) {
     for (const ep of highlights) {
       if (ep.id) urls.push(`${root}/episodes/${encodeURIComponent(ep.id)}`)
     }
+    // The standalone gospel page
+    if (!urls.includes(`${root}/salvation`)) urls.push(`${root}/salvation`)
     // Newsletter archive + published issues
     urls.push(`${root}/newsletter`)
     for (const issue of state.newsletterIssues) {