Fix production restore: add --production flag to restore into /opt/study-app and restart service

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

README.md

@@ -101,10 +101,17 @@ npm run backup
 This creates `study-app-backup_<timestamp>.zip` in the project root.
 
 **On the new machine — restore after cloning and installing:**
+
+Development:
 ```bash
 npm run restore study-app-backup_<timestamp>.zip
 ```
 
+Production (after `sudo bash deploy/install.sh` completes):
+```bash
+sudo bash scripts/restore-data.sh study-app-backup_<timestamp>.zip --production
+```
+
 See [scripts/backup-data.sh](scripts/backup-data.sh) and [scripts/restore-data.sh](scripts/restore-data.sh) for details.
 
 ---

scripts/restore-data.sh

@@ -1,16 +1,21 @@
 #!/bin/bash
 # Restores user data from a backup zip created by backup-data.sh.
-# Usage: scripts/restore-data.sh <path-to-backup-file>
+#
+# Development usage:
+#   npm run restore <path-to-backup-file>
+#
+# Production usage (restores into the running service directory):
+#   sudo bash scripts/restore-data.sh <path-to-backup-file> --production
 
 set -e
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 APP_DIR="$(dirname "$SCRIPT_DIR")"
-DATA_DIR="$APP_DIR/server/data"
 BACKUP_FILE="$1"
+MODE="${2:-}"
 
 if [ -z "$BACKUP_FILE" ]; then
-  echo "Usage: scripts/restore-data.sh <path-to-backup-file>"
+  echo "Usage: scripts/restore-data.sh <path-to-backup-file> [--production]"
   exit 1
 fi
 
@@ -19,6 +24,18 @@ if [ ! -f "$BACKUP_FILE" ]; then
   exit 1
 fi
 
+if [ "$MODE" = "--production" ]; then
+  DATA_DIR="/opt/study-app/server/data"
+  SERVICE_USER="study-app"
+  if [ "$EUID" -ne 0 ]; then
+    echo "ERROR: Production restore must be run as root (sudo)."
+    exit 1
+  fi
+else
+  DATA_DIR="$APP_DIR/server/data"
+  SERVICE_USER=""
+fi
+
 mkdir -p "$DATA_DIR"
 
 # Warn if a database already exists
@@ -35,6 +52,16 @@ fi
 
 unzip -o "$BACKUP_FILE" -d "$DATA_DIR"
 
+if [ -n "$SERVICE_USER" ]; then
+  chown "$SERVICE_USER":"$SERVICE_USER" "$DATA_DIR/projects.db"
+  echo "Restarting study-app service..."
+  systemctl restart study-app
+fi
+
 echo ""
 echo "Restore complete. Database is at: $DATA_DIR/projects.db"
+if [ "$MODE" = "--production" ]; then
+  echo "Check service status: systemctl status study-app"
+else
   echo "You can now start the app normally."
+fi