diff --git a/lib/runner.js b/lib/runner.js
index 884e707..247be0e 100644
--- a/lib/runner.js
+++ b/lib/runner.js
@@ -240,6 +240,29 @@ async function _executeTest(url, options) {
     const jsonPath = path.join(reportDir, `${testId}.json`);
     fs.writeFileSync(jsonPath, JSON.stringify(summary, null, 2));
 
+    // Prepare Database Insert
+    const insertQuery = `
+      INSERT INTO test_results (
+        id, url, user_uuid, is_mobile, 
+        scores, metrics, filmstrip, timestamp
+      ) VALUES ($1, $2, $3, $4, $5, $6, $7, NOW())
+      RETURNING id
+    `;
+    
+    // Convert objects to JSON strings for DB text columns if needed, 
+    // or rely on pg to stringify objects for JSONB columns if schema uses JSONB.
+    // Based on previous errors, schema might be expecting JSON.
+    
+    const values = [
+      testId, 
+      lhr.finalUrl, 
+      options.userUuid || null, // Ensure options is available or pass it in
+      isMobile,
+      JSON.stringify(summary.scores),
+      JSON.stringify(summary.metrics),
+      JSON.stringify(filmstripData)
+    ];
+
     try {
       const db = require('../lib/db');
       await db.pool.query(insertQuery, values);