feat: Add npm dependencies and update vendor paths

- Add package.json dependencies: jquery, jquery-ui, moment, daterangepicker, wavesurfer.js, air-datepicker
- Create scripts/setup-vendor.js to copy npm packages to public/assets/vendor
- Update view templates to use vendor paths instead of old /js/ or CDN URLs
- Clean up legacy commented-out scripts in master layout

package.json

@@ -11,6 +11,14 @@
     "sass-minify-watch": "sass --watch resources/assets/sass/style.scss:public/css/style.min.css --style compressed",
     "js-watch": "grunt watch"
   },
+  "dependencies": {
+    "jquery": "^3.7.0",
+    "jquery-ui": "^1.13.0",
+    "moment": "^2.30.0",
+    "daterangepicker": "^3.1.0",
+    "wavesurfer.js": "^6.3.0",
+    "air-datepicker": "^3.5.0"
+  },
   "devDependencies": {
     "grunt": "^1.6.1",
     "grunt-contrib-concat": "^2.1.0",