feat(reporting): store and display IP address on CARD queue items

Adds ip_address column to ivanti_todo_queue so CARD entries carry the
host IP needed to locate the asset in CARD.

- Migration: ALTER TABLE ADD COLUMN ip_address TEXT (safe to re-run)
- Backend: accepts ip_address in POST body, stores up to 64 chars
- Frontend: captures finding.ipAddress when adding to queue; CARD items
  in the queue panel show the IP in green instead of the CVE list

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

backend/migrations/add_todo_queue_ip_address.js

@@ -0,0 +1,25 @@
+// Migration: Add ip_address column to ivanti_todo_queue
+const sqlite3 = require('sqlite3').verbose();
+const path = require('path');
+
+const dbPath = path.join(__dirname, '..', 'cve_database.db');
+const db = new sqlite3.Database(dbPath);
+
+console.log('Starting add_todo_queue_ip_address migration...');
+
+db.run(
+    'ALTER TABLE ivanti_todo_queue ADD COLUMN ip_address TEXT',
+    (err) => {
+        if (err) {
+            // Column may already exist if migration was run before
+            if (err.message.includes('duplicate column name')) {
+                console.log('✓ ip_address column already exists, skipping');
+            } else {
+                console.error('Error adding column:', err);
+            }
+        } else {
+            console.log('✓ ip_address column added');
+        }
+        db.close(() => console.log('Migration complete!'));
+    }
+);