feat: add com.atproto.repo.listRecords endpoint

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

src/pds.js

···
   '/xrpc/com.atproto.repo.describeRepo': {
     handler: (pds, req, url) => pds.handleDescribeRepo()
   },
+  '/xrpc/com.atproto.repo.listRecords': {
+    handler: (pds, req, url) => pds.handleListRecords(url)
+  },
   '/xrpc/com.atproto.sync.getLatestCommit': {
     handler: (pds, req, url) => pds.handleGetLatestCommit()
   },
···
     })
   }
 
+  async handleListRecords(url) {
+    const collection = url.searchParams.get('collection')
+    if (!collection) {
+      return Response.json({ error: 'InvalidRequest', message: 'missing collection' }, { status: 400 })
+    }
+    const limit = Math.min(parseInt(url.searchParams.get('limit') || '50'), 100)
+    const reverse = url.searchParams.get('reverse') === 'true'
+    const cursor = url.searchParams.get('cursor')
+
+    const did = await this.getDid()
+    let query = `SELECT uri, cid, value FROM records WHERE collection = ? ORDER BY rkey ${reverse ? 'DESC' : 'ASC'} LIMIT ?`
+    const params = [collection, limit + 1]
+
+    const rows = this.sql.exec(query, ...params).toArray()
+    const hasMore = rows.length > limit
+    const records = rows.slice(0, limit).map(r => ({
+      uri: r.uri,
+      cid: r.cid,
+      value: cborDecode(new Uint8Array(r.value))
+    }))
+
+    return Response.json({
+      records,
+      cursor: hasMore ? records[records.length - 1]?.uri : undefined
+    })
+  }
+
   handleGetLatestCommit() {
     const commits = this.sql.exec(
       `SELECT cid, rev FROM commits ORDER BY seq DESC LIMIT 1`
···
     return Response.json({ repos, cursor: undefined })
   }
 
-  // describeRepo uses ?repo= param instead of ?did=
-  if (url.pathname === '/xrpc/com.atproto.repo.describeRepo') {
+  // Repo endpoints use ?repo= param instead of ?did=
+  if (url.pathname === '/xrpc/com.atproto.repo.describeRepo' ||
+      url.pathname === '/xrpc/com.atproto.repo.listRecords') {
     const repo = url.searchParams.get('repo')
     if (!repo) {
       return Response.json({ error: 'InvalidRequest', message: 'missing repo param' }, { status: 400 })