Update app.js

app.js

@@ -71,7 +71,7 @@ function extractImagePrompt(text) {
  * CLEANUP MEMORY
  * Call this via Cron Job or manually to free up RAM
  */
-app.post('/admin/cleanup', async (req, res) => {
+app.get('/admin/cleanup', async (req, res) => {
     try {
         const removed = StateManager.cleanupMemory();
         res.json({ success: true, removedCount: removed, message: `Cleaned ${removed} inactive projects from memory.` });