Improve microphone permission UX: add Dev Log, re-request flow, active Voice Input highlighting, and Puppeteer permission-check script

package.json

@@ -3,7 +3,8 @@
   "version": "1.0.0",
   "main": "server.js",
   "scripts": {
-    "start": "node server.js"
+    "start": "node server.js",
+    "check:permissions": "node scripts/permission-check.js"
   },
   "dependencies": {
     "axios": "^1.7.7",
@@ -12,5 +13,8 @@
     "dotenv": "^16.0.3",
     "express": "^4.21.2",
     "google-tts-api": "^2.0.1"
+  },
+  "devDependencies": {
+    "puppeteer": "^25.3.0"
   }
 }