feat: add GameGroup2 project with frontend and backend

- Add .gitignore for Node.js and PocketBase projects
- Add frontend (Vue 3 + Vite + TypeScript)
- Add backend (PocketBase)
- Add deployment scripts and Docker compose configs

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frontend/src/views/Register.vue

@@ -0,0 +1,213 @@
+<!-- src/views/Register.vue -->
+<script setup lang="ts">
+import { ref } from 'vue'
+import { useRouter } from 'vue-router'
+import { useUserStore } from '@/stores/user'
+import { ElMessage } from 'element-plus'
+import PasswordInput from '@/components/common/PasswordInput.vue'
+
+const router = useRouter()
+const userStore = useUserStore()
+
+const username = ref('')
+const email = ref('')
+const password = ref('')
+const passwordConfirm = ref('')
+const loading = ref(false)
+
+async function handleRegister() {
+  if (!username.value || !email.value || !password.value) {
+    ElMessage.warning('请填写所有必填项')
+    return
+  }
+
+  if (password.value !== passwordConfirm.value) {
+    ElMessage.warning('两次输入的密码不一致')
+    return
+  }
+
+  if (password.value.length < 6) {
+    ElMessage.warning('密码长度至少为 6 位')
+    return
+  }
+
+  try {
+    loading.value = true
+    await userStore.register({
+      username: username.value,
+      email: email.value,
+      password: password.value,
+      passwordConfirm: passwordConfirm.value
+    })
+
+    ElMessage.success('注册成功')
+    router.push({ name: 'Home' })
+  } catch (error: any) {
+    ElMessage.error(error.message || '注册失败')
+  } finally {
+    loading.value = false
+  }
+}
+
+function goToLogin() {
+  router.push({ name: 'Login' })
+}
+</script>
+
+<template>
+  <div class="register-page">
+    <div class="register-card">
+      <h1 class="title">注册 Game Group</h1>
+
+      <form class="register-form" @submit.prevent="handleRegister">
+        <div class="form-group">
+          <label for="username">用户名</label>
+          <input
+            id="username"
+            v-model="username"
+            type="text"
+            placeholder="请输入用户名"
+            required
+          />
+        </div>
+
+        <div class="form-group">
+          <label for="email">邮箱</label>
+          <input
+            id="email"
+            v-model="email"
+            type="email"
+            placeholder="请输入邮箱"
+            required
+          />
+        </div>
+
+        <div class="form-group">
+          <label for="password">密码</label>
+          <PasswordInput
+            id="password"
+            v-model="password"
+            placeholder="请输入密码（至少6位）"
+            required
+          />
+        </div>
+
+        <div class="form-group">
+          <label for="passwordConfirm">确认密码</label>
+          <PasswordInput
+            id="passwordConfirm"
+            v-model="passwordConfirm"
+            placeholder="请再次输入密码"
+            required
+          />
+        </div>
+
+        <button type="submit" class="submit-btn" :disabled="loading">
+          {{ loading ? '注册中...' : '注册' }}
+        </button>
+      </form>
+
+      <div class="footer-links">
+        <span>已有账号？</span>
+        <a @click="goToLogin">立即登录</a>
+      </div>
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.register-page {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 100vh;
+  padding: 20px;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+}
+
+.register-card {
+  width: 100%;
+  max-width: 400px;
+  padding: 40px;
+  background: white;
+  border-radius: 16px;
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
+}
+
+.title {
+  font-size: 28px;
+  font-weight: 700;
+  text-align: center;
+  margin: 0 0 32px;
+  color: #333;
+}
+
+.register-form {
+  display: flex;
+  flex-direction: column;
+  gap: 20px;
+}
+
+.form-group {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.form-group label {
+  font-size: 14px;
+  font-weight: 500;
+  color: #555;
+}
+
+.form-group input {
+  padding: 12px 16px;
+  border: 1px solid #ddd;
+  border-radius: 8px;
+  font-size: 14px;
+  transition: border-color 0.2s;
+}
+
+.form-group input:focus {
+  outline: none;
+  border-color: #667eea;
+}
+
+.submit-btn {
+  padding: 14px;
+  border: none;
+  border-radius: 8px;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  color: white;
+  font-size: 16px;
+  font-weight: 600;
+  cursor: pointer;
+  transition: opacity 0.2s;
+}
+
+.submit-btn:hover:not(:disabled) {
+  opacity: 0.9;
+}
+
+.submit-btn:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+.footer-links {
+  margin-top: 24px;
+  text-align: center;
+  font-size: 14px;
+  color: #666;
+}
+
+.footer-links a {
+  color: #667eea;
+  cursor: pointer;
+  font-weight: 500;
+}
+
+.footer-links a:hover {
+  text-decoration: underline;
+}
+</style>