fix: route getRecord via ?repo= param

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Co-Authored-By: Claude Opus 4.5 <[e-mail]>

src/pds.js

···
 
   // Repo endpoints use ?repo= param instead of ?did=
   if (url.pathname === '/xrpc/com.atproto.repo.describeRepo' ||
-      url.pathname === '/xrpc/com.atproto.repo.listRecords') {
+      url.pathname === '/xrpc/com.atproto.repo.listRecords' ||
+      url.pathname === '/xrpc/com.atproto.repo.getRecord') {
     const repo = url.searchParams.get('repo')
     if (!repo) {
       return Response.json({ error: 'InvalidRequest', message: 'missing repo param' }, { status: 400 })