Stream Whisper verbose metadata live without overflowing Reverb.

Persist accumulated verbose_json on the recording and broadcast only transcript/whisper deltas so the show page can render language, segments, word timestamps, and confidence while a run is in progress.

database/migrations/2026_08_13_124740_add_transcription_verbose_to_recordings_table.php

@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('recordings', function (Blueprint $table) {
+            $table->json('transcription_verbose')
+                ->nullable()
+                ->after('transcript');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('recordings', function (Blueprint $table) {
+            $table->dropColumn('transcription_verbose');
+        });
+    }
+};