feat: 初始化居家上门服务系统完整项目代码

- Spring Boot 后端服务 (hss-home-service)
- delivery-miniapp 配送小程序
- website 官网 (Nuxt)
- docs 架构设计文档
- Docker 容器化部署配置

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

hss-home-service/website/pages/platform/login.vue

@@ -0,0 +1,59 @@
+
+<script setup lang="ts">
+definePageMeta({ ssr: false })
+import { ref } from 'vue'
+import { usePlatformAuth } from '~/composables/usePlatformAuth'
+const { login, PRESET_USERS } = usePlatformAuth()
+const selected = ref('admin')
+const loading = ref(false)
+const error = ref('')
+
+async function doLogin() {
+  loading.value = true; error.value = ''
+  const u = login(selected.value)
+  if (u) {
+    await navigateTo('/platform')
+  } else {
+    error.value = '登录失败'
+  }
+  loading.value = false
+}
+</script>
+
+<template>
+  <div class="min-h-screen bg-surface flex items-center justify-center p-4">
+    <div class="w-full max-w-md">
+      <div class="text-center mb-8">
+        <div class="w-16 h-16 mx-auto mb-4 rounded-2xl bg-gradient-to-br from-primary to-accent flex items-center justify-center">
+          <span class="text-white font-bold text-2xl font-mono">H</span>
+        </div>
+        <h1 class="text-2xl font-bold">智慧医养居家上门服务平台</h1>
+        <p class="text-text-secondary text-sm mt-2">演示环境 — 选择角色即可登录</p>
+      </div>
+
+      <div class="bg-white rounded-2xl shadow-sm border p-6 space-y-4">
+        <label class="block text-sm font-medium text-text-secondary">选择登录角色</label>
+        <div class="grid grid-cols-2 gap-2">
+          <button v-for="(u, k) in PRESET_USERS" :key="k"
+            @click="selected = k"
+            class="text-left px-4 py-3 rounded-xl border-2 transition-all text-sm"
+            :class="selected === k ? 'border-primary bg-primary-50 text-primary' : 'border-gray-100 hover:border-gray-200'">
+            <div class="font-medium">{{ u.userName }}</div>
+            <div class="text-xs text-text-secondary">{{ u.userRole }}</div>
+          </button>
+        </div>
+
+        <p v-if="error" class="text-red-500 text-sm text-center">{{ error }}</p>
+
+        <button @click="doLogin" :disabled="loading"
+          class="w-full py-3 bg-primary text-white rounded-xl font-semibold hover:bg-primary-700 transition-colors disabled:opacity-50">
+          {{ loading ? '登录中...' : '进入平台' }}
+        </button>
+
+        <p class="text-xs text-text-secondary text-center">
+          演示环境使用 Header 认证，无需密码。选择角色后直接进入对应工作台。
+        </p>
+      </div>
+    </div>
+  </div>
+</template>