implementing model selector

packages/orchestration-service/src/routes/settings.js

@@ -1,5 +1,6 @@
 const { Router } = require('express');
 const settings = require('../config/settings');
+const fs = require('fs');
 
 const router = Router();
 
@@ -32,6 +33,18 @@ router.patch('/', (req, res) => {
     updates.scoreThreshold = val;
   }
 
+  if (req.body.modelsFolderPath !== undefined) {
+  const val = req.body.modelsFolderPath.trim();
+  if (!val) return res.status(400).json({ error: 'modelsFolderPath cannot be empty' });
+  // Verify the path exists and is readable
+  try {
+    fs.readdirSync(val);
+  } catch {
+    return res.status(400).json({ error: `Path not accessible: ${val}` });
+  }
+  updates.modelsFolderPath = val;
+}
+
   res.json(settings.save(updates));
 });