feat: Chrome MV3 extension with Clerk auth sync (#7)

.gitignore

@@ -19,6 +19,9 @@
 .DS_Store
 .env
 backend/.env
+extensions/.env
+extensions/node_modules
+extensions/dist
 .env.local
 .env.development.local
 .env.test.local

backend/.env.example

@@ -4,8 +4,11 @@
 PORT=3001
 NODE_ENV=development
 
+
+
 # Frontend URL for CORS (use comma-separated for multiple origins)
-CORS_ORIGIN=http://localhost:3000
+# Add your Chrome Extension ID after loading unpacked from chrome://extensions
+CORS_ORIGIN=http://localhost:3000,chrome-extension://your_extension_id_here
 
 # Clerk Authentication (get from clerk.com dashboard)
 CLERK_SECRET_KEY=sk_test_...

extensions/.env.example

@@ -0,0 +1,5 @@
+# Clerk Authentication (Extension)
+VITE_CLERK_PUBLISHABLE_KEY=pk_test_your_key_here
+
+# Backend API URL
+VITE_API_BASE=http://localhost:3001

extensions/manifest.json

@@ -0,0 +1,30 @@
+{
+  "manifest_version": 3,
+  "name": "FutureTracker Saver",
+  "version": "1.0.0",
+  "description": "Save job/internship listings to FutureTracker",
+  "action": {
+    "default_popup": "src/popup/index.html",
+    "default_icon": { "16": "icons/16.png", "48": "icons/48.png", "128": "icons/128.png" }
+  },
+  "icons": { "16": "icons/16.png", "48": "icons/48.png", "128": "icons/128.png" },
+  "permissions": ["activeTab", "storage", "scripting", "cookies"],
+  "host_permissions": [
+    "https://futuretracker.online/*",
+    "https://*.onrender.com/*",
+    "http://localhost:3000/*",
+    "http://localhost:3001/*",
+    "https://*.clerk.accounts.dev/*"
+  ],
+  "background": { "service_worker": "src/background.js", "type": "module" },
+  "content_scripts": [
+    {
+      "matches": [
+        "https://*/*",
+        "http://*/*"
+      ],
+      "js": ["src/content.js"],
+      "run_at": "document_idle"
+    }
+  ]
+}