diff --git a/deploy.sh b/deploy.sh
new file mode 100644
index 0000000..25b3108
--- /dev/null
+++ b/deploy.sh
@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# deploy.sh — Push local changes and deploy to production server
+# Usage: bash deploy.sh "commit message"
+# Requires: PuTTY plink at default location (Windows) or ssh (Linux/Mac)
+#
+# Server: 159.89.175.190  Project: /var/www/html/hms_etria
+
+set -e
+
+MSG="${1:-Auto-deploy $(date '+%Y-%m-%d %H:%M')}"
+SERVER="root@159.89.175.190"
+PROJECT="/var/www/html/hms_etria"
+
+echo "=== Staging and committing ==="
+git add -A
+# Don't commit env (server has its own)
+git reset HEAD env 2>/dev/null || true
+git diff --cached --stat
+git commit -m "$MSG" 2>/dev/null || echo "(nothing to commit)"
+
+echo "=== Pushing to GitHub ==="
+git push origin main
+
+echo "=== Deploying to server ==="
+REMOTE_CMDS="cd $PROJECT && git config core.fileMode false && git pull origin main && php spark migrate --namespace App && echo DEPLOY_OK"
+
+if command -v plink &>/dev/null; then
+    plink -ssh -batch -pw "$HMS_SSH_PASS" $SERVER "$REMOTE_CMDS"
+else
+    ssh -o StrictHostKeyChecking=no $SERVER "$REMOTE_CMDS"
+fi
+
+echo "=== Done ==="
diff --git a/scripts/check_inv_cols.php b/scripts/check_inv_cols.php
new file mode 100644
index 0000000..9d0919f
--- /dev/null
+++ b/scripts/check_inv_cols.php
@@ -0,0 +1,13 @@
+<?php
+$dotenv = Dotenv\Dotenv::createImmutable(dirname(__DIR__), 'env');
+$dotenv->safeLoad();
+$db = mysqli_connect(
+    getenv('database.default.hostname') ?: 'localhost',
+    getenv('database.default.username') ?: 'root',
+    getenv('database.default.password') ?: '',
+    getenv('database.default.database') ?: 'hms_data_ci4'
+);
+$r = mysqli_query($db, 'SHOW COLUMNS FROM investigation');
+while ($row = mysqli_fetch_assoc($r)) {
+    echo $row['Field'] . ' (' . $row['Type'] . ')' . PHP_EOL;
+}