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

data/names.js

@@ -0,0 +1,38 @@
+// data/names.js — English name lists for random generation
+
+const FIRST_NAMES = [
+  'James', 'John', 'Robert', 'Michael', 'William', 'David', 'Richard', 'Joseph', 'Thomas', 'Christopher',
+  'Mary', 'Patricia', 'Jennifer', 'Linda', 'Barbara', 'Elizabeth', 'Susan', 'Jessica', 'Sarah', 'Karen',
+  'Daniel', 'Matthew', 'Anthony', 'Mark', 'Donald', 'Steven', 'Andrew', 'Paul', 'Joshua', 'Kenneth',
+  'Emma', 'Olivia', 'Ava', 'Isabella', 'Sophia', 'Mia', 'Charlotte', 'Amelia', 'Harper', 'Evelyn',
+];
+
+const LAST_NAMES = [
+  'Smith', 'Johnson', 'Williams', 'Brown', 'Jones', 'Garcia', 'Miller', 'Davis', 'Rodriguez', 'Martinez',
+  'Hernandez', 'Lopez', 'Gonzalez', 'Wilson', 'Anderson', 'Thomas', 'Taylor', 'Moore', 'Jackson', 'Martin',
+  'Lee', 'Perez', 'Thompson', 'White', 'Harris', 'Sanchez', 'Clark', 'Ramirez', 'Lewis', 'Robinson',
+];
+
+/**
+ * Generate a random full name.
+ * @returns {{ firstName: string, lastName: string }}
+ */
+function generateRandomName() {
+  const firstName = FIRST_NAMES[Math.floor(Math.random() * FIRST_NAMES.length)];
+  const lastName = LAST_NAMES[Math.floor(Math.random() * LAST_NAMES.length)];
+  return { firstName, lastName };
+}
+
+/**
+ * Generate a random birthday (age 19-25).
+ * @returns {{ year: number, month: number, day: number }}
+ */
+function generateRandomBirthday() {
+  const currentYear = new Date().getFullYear();
+  const age = 19 + Math.floor(Math.random() * 7); // 19 to 25
+  const year = currentYear - age;
+  const month = 1 + Math.floor(Math.random() * 12); // 1 to 12
+  const maxDay = new Date(year, month, 0).getDate(); // days in that month
+  const day = 1 + Math.floor(Math.random() * maxDay);
+  return { year, month, day };
+}