v2.0.0: Complete rewrite - Manifest V3, enterprise-grade secret detection

- Migrated to Chrome Manifest V3 with service worker architecture
- 80+ secret detection patterns covering AWS, GCP, Azure, GitHub, GitLab,
  Stripe, Slack, Discord, OpenAI, and 30+ other providers
- 10 scanning surfaces: inline scripts, external scripts, meta tags,
  hidden inputs, data attributes, HTML comments, URL params, web storage,
  cookies, and network response interception
- Shannon entropy analysis for detecting undocumented secret formats
- MAIN world interceptor for XHR/fetch response scanning and window globals
- Professional dark-theme UI with filtering, search, and CSV/JSON export
- Zero dependencies - removed jQuery, Bootstrap, font-awesome, popper
- Proper XSS-safe DOM rendering throughout
- Badge counter on extension icon showing finding count
- All frames scanning including iframes

manifest.json

@@ -1,23 +1,38 @@
 {
   "name": "KeyFinder",
-  "description": "a browser extension that searches the DOM for leaked keys🔑.",
-  "version":"1.0.0",
-  "manifest_version": 2,
-  "browser_action":{
-    "default_icon":"./css/icon.png",
-    "default_popup":"popup.html"
+  "description": "Passively discovers API keys, tokens, and secrets leaked in page scripts, DOM, network responses, and browser storage.",
+  "version": "2.0.0",
+  "manifest_version": 3,
+  "action": {
+    "default_icon": {
+      "16": "icons/icon16.png",
+      "48": "icons/icon48.png",
+      "128": "icons/icon128.png"
+    },
+    "default_popup": "popup.html"
+  },
+  "icons": {
+    "16": "icons/icon16.png",
+    "48": "icons/icon48.png",
+    "128": "icons/icon128.png"
   },
   "content_scripts": [
     {
-      "matches":[
-        "<all_urls>"
-      ],
-      "js": ["./js/results.js","./js/jquery.js","./js/content.js"]
+      "matches": ["<all_urls>"],
+      "js": ["js/patterns.js", "js/content.js"],
+      "run_at": "document_idle",
+      "all_frames": true
+    },
+    {
+      "matches": ["<all_urls>"],
+      "js": ["js/interceptor.js"],
+      "run_at": "document_start",
+      "world": "MAIN",
+      "all_frames": true
     }
   ],
   "background": {
-    "scripts":["./js/background.js"]
-  }
-  ,
-  "permissions": ["activeTab","storage"]
+    "service_worker": "js/background.js"
+  },
+  "permissions": ["activeTab", "storage"]
 }