Add Docker stack, Reverb live progress, and duplicate upload detection.

Ship FrankenPHP Compose services with Reverb WebSockets for real-time transcription status, skip re-uploading identical audio via content hash, and format disk usage without requiring intl.

docker/entrypoint.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+set -eu
+
+cd /app
+
+mkdir -p \
+    database \
+    storage/app/private/recordings \
+    storage/app/public \
+    storage/framework/cache \
+    storage/framework/sessions \
+    storage/framework/views \
+    storage/logs \
+    bootstrap/cache
+
+if [ ! -f database/database.sqlite ]; then
+    touch database/database.sqlite
+fi
+
+# Never use a host Vite HMR file inside the container image.
+rm -f public/hot
+
+# Bind mounts may arrive as root-owned; keep the app and host tooling writable.
+chmod -R a+rwX database storage bootstrap/cache 2>/dev/null || true
+
+if [ -z "${APP_KEY:-}" ]; then
+    echo "APP_KEY is not set. Generate one with: php artisan key:generate --show" >&2
+    exit 1
+fi
+
+php artisan migrate --force --no-interaction
+
+exec "$@"