feat: emit delete events on reset-repo

Delete each record through the normal flow before wiping,
so relays and indexers can clean up their indexes.

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

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

src/pds.js

···
   }
 
   async handleResetRepo() {
-    this.sql.exec(`DELETE FROM blocks`);
-    this.sql.exec(`DELETE FROM records`);
-    this.sql.exec(`DELETE FROM commits`);
-    this.sql.exec(`DELETE FROM seq_events`);
+    const did = await this.getDid();
+    if (!did) {
+      return Response.json({ ok: true, message: 'no repo to reset', deleted: 0 });
+    }
+
+    // Get all records before deleting
+    const records = /** @type {{collection: string, rkey: string}[]} */ (
+      this.sql.exec('SELECT collection, rkey FROM records').toArray()
+    );
+
+    // Delete each record through normal flow (emits events to firehose)
+    for (const { collection, rkey } of records) {
+      await this.deleteRecord(collection, rkey);
+    }
+
+    // Clean up remaining state
+    this.sql.exec('DELETE FROM blocks');
+    this.sql.exec('DELETE FROM commits');
+    this.sql.exec('DELETE FROM seq_events');
     await this.state.storage.delete('head');
     await this.state.storage.delete('rev');
-    return Response.json({ ok: true, message: 'repo data cleared' });
+
+    return Response.json({ ok: true, message: 'repo data cleared', deleted: records.length });
   }
 
   /** @param {Request} request */