fix: add missing created_at column to equipment_group_members PG DDL

The PG migration script was missing the created_at column on the
equipment_group_members table, causing Drizzle ORM queries to fail
with a 500 error when creating equipment groups.

Author: mstelz

apps/server/src/routes/equipment-groups.ts

@@ -39,6 +39,7 @@ router.post('/', async (req, res) => {
     const full = await storage.getEquipmentGroup(group.id);
     res.json(full);
   } catch (error) {
+    console.error('Failed to create equipment group:', error);
     res.status(500).json({ message: 'Failed to create equipment group' });
   }
 });

tools/scripts/apply-pg-migrations.js

@@ -160,7 +160,8 @@ async function runMigrations() {
       CREATE TABLE IF NOT EXISTS equipment_group_members (
         id SERIAL PRIMARY KEY,
         group_id INTEGER NOT NULL REFERENCES equipment_groups(id) ON DELETE CASCADE,
-        equipment_id INTEGER NOT NULL REFERENCES equipment(id) ON DELETE CASCADE
+        equipment_id INTEGER NOT NULL REFERENCES equipment(id) ON DELETE CASCADE,
+        created_at TIMESTAMP DEFAULT NOW()
       );
     `;
 
@@ -187,6 +188,16 @@ async function runMigrations() {
       console.error('Migration failed for equipment cost/acquisition_date columns:', err.message);
     }
 
+    // Migration: Add created_at to equipment_group_members if it doesn't exist
+    try {
+      await connection`
+        ALTER TABLE equipment_group_members ADD COLUMN IF NOT EXISTS created_at TIMESTAMP DEFAULT NOW();
+      `;
+      console.log('Migration: Checked/Added created_at column to equipment_group_members');
+    } catch (err) {
+      console.error('Migration failed for equipment_group_members created_at:', err.message);
+    }
+
     console.log('Database tables and migrations completed successfully');
 
   } catch (error) {