feat: initial implementation of Multi-Page Automation Chrome extension

- manifest.json: MV3 config with sidePanel, tabs, webNavigation, storage, scripting permissions
- background.js: service worker with state management (chrome.storage.session), tab registry,
  message routing, command queue, and step orchestration for all 9 steps
- sidepanel/: persistent side panel UI with 9 step buttons, interlock logic, log area,
  state restore, and reset functionality
- content/utils.js: shared utilities (waitForElement, fillInput, simulateClick, log, report*)
- content/vps-panel.js: VPS panel automation (steps 1, 9)
- content/signup-page.js: OpenAI auth page automation (steps 2, 3, 4-fill, 5)
- content/qq-mail.js: QQ Mail email polling and code extraction (steps 4, 7)
- content/chatgpt.js: ChatGPT login automation (steps 6, 7-fill, 8)
- data/names.js: random English name and birthday generation

manifest.json

@@ -0,0 +1,72 @@
+{
+  "manifest_version": 3,
+  "name": "Multi-Page Automation",
+  "version": "1.0.0",
+  "description": "Automates multi-step OAuth registration workflow",
+  "permissions": [
+    "sidePanel",
+    "tabs",
+    "webNavigation",
+    "storage",
+    "scripting",
+    "activeTab"
+  ],
+  "host_permissions": [
+    "http://154.26.182.181:8317/*",
+    "https://auth0.openai.com/*",
+    "https://auth.openai.com/*",
+    "https://accounts.openai.com/*",
+    "https://mail.qq.com/*",
+    "https://wx.mail.qq.com/*",
+    "https://chatgpt.com/*",
+    "http://localhost/*"
+  ],
+  "background": {
+    "service_worker": "background.js"
+  },
+  "side_panel": {
+    "default_path": "sidepanel/sidepanel.html"
+  },
+  "content_scripts": [
+    {
+      "matches": ["http://154.26.182.181:8317/*"],
+      "js": ["content/utils.js", "content/vps-panel.js"],
+      "run_at": "document_idle"
+    },
+    {
+      "matches": [
+        "https://auth0.openai.com/*",
+        "https://auth.openai.com/*",
+        "https://accounts.openai.com/*"
+      ],
+      "js": ["content/utils.js", "content/signup-page.js"],
+      "run_at": "document_idle"
+    },
+    {
+      "matches": [
+        "https://mail.qq.com/*",
+        "https://wx.mail.qq.com/*"
+      ],
+      "js": ["content/utils.js", "content/qq-mail.js"],
+      "all_frames": true,
+      "run_at": "document_idle"
+    },
+    {
+      "matches": ["https://chatgpt.com/*"],
+      "js": ["content/utils.js", "content/chatgpt.js"],
+      "run_at": "document_idle"
+    }
+  ],
+  "action": {
+    "default_icon": {
+      "16": "icons/icon16.png",
+      "48": "icons/icon48.png",
+      "128": "icons/icon128.png"
+    }
+  },
+  "icons": {
+    "16": "icons/icon16.png",
+    "48": "icons/icon48.png",
+    "128": "icons/icon128.png"
+  }
+}