feat: Implement AI tutor functionality, add branding fields, and improve API URL handling.

test_query.js

@@ -0,0 +1,31 @@
+const { Client } = require('pg');
+
+async function testQuery() {
+    const client = new Client({
+        connectionString: "postgresql://user:password@localhost:5432/openccb_lms"
+    });
+
+    const orgId = '8555931d-b335-4b4e-9f51-4a0434e591b6';
+    const userId = 'ec2e2a38-a1d1-41b2-8202-c9b90d1d5db5';
+
+    try {
+        await client.connect();
+
+        const query = `
+      SELECT DISTINCT c.* FROM courses c 
+      LEFT JOIN enrollments e ON c.id = e.course_id AND e.user_id = $2
+      WHERE c.organization_id = $1 OR c.organization_id = '00000000-0000-0000-0000-000000000001' OR e.id IS NOT NULL
+    `;
+
+        const res = await client.query(query, [orgId, userId]);
+        console.log("Catalog Query Result (Courses found):", res.rowCount);
+        console.table(res.rows);
+
+    } catch (err) {
+        console.error("Error:", err);
+    } finally {
+        await client.end();
+    }
+}
+
+testQuery();