Add live transcription progress and Docker Whisper.

Surface stage, percent, and elapsed time while jobs run, and ship Compose so local confidential transcription can use faster-whisper on port 8090.

database/migrations/2026_08_12_122500_add_transcription_progress_to_recordings_table.php

@@ -0,0 +1,36 @@
+<?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->string('transcription_progress')->nullable()->after('transcription_status');
+            $table->unsignedTinyInteger('transcription_percent')->nullable()->after('transcription_progress');
+            $table->timestamp('transcription_started_at')->nullable()->after('transcription_percent');
+            $table->text('transcription_error')->nullable()->after('transcription_started_at');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('recordings', function (Blueprint $table) {
+            $table->dropColumn([
+                'transcription_progress',
+                'transcription_percent',
+                'transcription_started_at',
+                'transcription_error',
+            ]);
+        });
+    }
+};