chore: seal Design Vision v1 and monorepo scaffold

Archive the differentiated YuXinGu product docs, AI engineering system,
design contract, and Go/Vue scaffold. Next execution prioritizes Cece-parity
over early innovation (see .ai/product/STRATEGY.md).

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/user-h5/src/pages/AskPage.vue

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+<template>
+  <main class="page">
+    <h1>问</h1>
+    <p class="sub">愈心 AI · 基于档案的解读（占位）</p>
+    <div class="card">后续接入档案上下文问答；与「真人顾问」双轨同屏。</div>
+  </main>
+</template>
+
+<style scoped>
+.page{padding:24px 16px}
+h1{font-size:22px}
+.sub{color:var(--yxg-sub);font-size:13px;margin:6px 0 16px}
+.card{background:#fff;border-radius:16px;padding:18px;font-size:14px;color:#666;line-height:1.6}
+</style>

apps/user-h5/src/pages/CompanionPage.vue

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+<template>
+  <main class="page">
+    <h1>陪伴</h1>
+    <p class="sub">节气 · 每日心情（占位）</p>
+    <div class="card">今日节气内容将由 API `/api/v1/solar-terms/today` 下发。</div>
+  </main>
+</template>
+
+<style scoped>
+.page{padding:24px 16px}
+h1{font-size:22px}
+.sub{color:var(--yxg-sub);font-size:13px;margin:6px 0 16px}
+.card{background:#fff;border-radius:16px;padding:18px;font-size:14px;color:#666;line-height:1.6}
+</style>

apps/user-h5/src/pages/DecodePage.vue

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+<template>
+  <main class="page">
+    <button class="back" type="button" @click="$router.back()">← 返回</button>
+    <h1>愈心解码</h1>
+    <p class="sub" v-if="y">生日：{{ y }}-{{ m }}-{{ d }}</p>
+    <div class="card">
+      简版报告将由 Go API 生成。当前为页面骨架；完整「结论免费 / 原因付费」逻辑见 PRD。
+    </div>
+    <p class="disc">
+      本内容为文化测评与健康生活方式参考，不构成医疗建议。
+    </p>
+  </main>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+import { useRoute } from 'vue-router'
+
+const route = useRoute()
+const y = computed(() => String(route.query.y || ''))
+const m = computed(() => String(route.query.m || ''))
+const d = computed(() => String(route.query.d || ''))
+</script>
+
+<style scoped>
+.page{padding:16px}
+.back{border:none;background:#fff;border-radius:10px;padding:8px 12px;margin-bottom:12px}
+h1{font-size:22px}
+.sub{color:var(--yxg-sub);margin:8px 0 14px;font-size:13px}
+.card{background:#fff;border-radius:16px;padding:18px;font-size:14px;line-height:1.7;color:#555}
+.disc{font-size:11px;color:#bbb;margin-top:16px;line-height:1.5}
+</style>

apps/user-h5/src/pages/ExplorePage.vue

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+<template>
+  <main class="page">
+    <h1>探索</h1>
+    <p class="sub">量表 · 数字心理 · 星镜（逐步迁入）</p>
+    <ul class="list">
+      <li>性格测评库（对接 /api/v1/scales）</li>
+      <li>数字心理学</li>
+      <li>星镜</li>
+    </ul>
+  </main>
+</template>
+
+<style scoped>
+.page{padding:24px 16px}
+h1{font-size:22px}
+.sub{color:var(--yxg-sub);font-size:13px;margin:6px 0 16px}
+.list{background:#fff;border-radius:16px;padding:8px 16px;line-height:2.2;font-size:14px;color:#555}
+</style>

apps/user-h5/src/pages/HomePage.vue

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+<template>
+  <main class="home">
+    <header class="brand">
+      <div class="word">愈<span>心</span>谷</div>
+      <p class="tag">愈见自己 · 遇见更好</p>
+    </header>
+
+    <section class="decode-card">
+      <h2>愈心解码</h2>
+      <p class="sub">一个生日，读懂你的身与心</p>
+      <div class="row">
+        <input v-model="year" type="number" placeholder="1990" />
+        <span>年</span>
+        <input v-model="month" type="number" placeholder="1" />
+        <span>月</span>
+        <input v-model="day" type="number" placeholder="1" />
+        <span>日</span>
+        <button type="button" @click="goDecode">生成</button>
+      </div>
+      <p v-if="err" class="err">{{ err }}</p>
+    </section>
+
+    <section class="block">
+      <div class="head"><h3>认识自己</h3><router-link to="/explore">全部</router-link></div>
+      <div class="grid">
+        <router-link v-for="t in tests" :key="t.to" :to="t.to" class="cell">
+          <div class="icon" :style="{ background: t.bg, color: t.fg }">{{ t.icon }}</div>
+          <span>{{ t.label }}</span>
+        </router-link>
+      </div>
+    </section>
+
+    <section class="block">
+      <div class="head"><h3>服务状态</h3></div>
+      <p class="api">API：{{ apiStatus }}</p>
+    </section>
+  </main>
+</template>
+
+<script setup lang="ts">
+import { onMounted, ref } from 'vue'
+import { useRouter } from 'vue-router'
+import { validateBirth } from '@yuxingu/utils'
+import { api } from '../api/client'
+
+const router = useRouter()
+const year = ref('')
+const month = ref('')
+const day = ref('')
+const err = ref('')
+const apiStatus = ref('检测中…')
+
+const tests = [
+  { to: '/decode', icon: '△', label: '愈心解码', bg: '#FFF3D6', fg: '#C8923A' },
+  { to: '/explore', icon: '◆', label: '性格测评', bg: '#E3EEFF', fg: '#4A90E2' },
+  { to: '/ask', icon: '问', label: '愈心问答', bg: '#FFE4E4', fg: '#E54D42' },
+  { to: '/companion', icon: '☯', label: '节气陪伴', bg: '#E0F6E4', fg: '#5CB85C' },
+]
+
+function goDecode() {
+  const y = Number(year.value)
+  const m = Number(month.value)
+  const d = Number(day.value)
+  const msg = validateBirth(y, m, d)
+  if (msg) {
+    err.value = msg
+    return
+  }
+  err.value = ''
+  router.push({ path: '/decode', query: { y: String(y), m: String(m), d: String(d) } })
+}
+
+onMounted(async () => {
+  try {
+    const data = await api.healthz()
+    apiStatus.value = data.status === 'ok' ? '已连接' : '异常'
+  } catch {
+    apiStatus.value = '未连接（请启动 apps/api）'
+  }
+})
+</script>
+
+<style scoped>
+.home{padding:18px 16px 8px}
+.brand{text-align:center;margin-bottom:14px}
+.word{font-size:28px;font-weight:700;letter-spacing:.18em}
+.word span{color:var(--yxg-pri)}
+.tag{font-size:12px;color:rgba(0,0,0,.38);margin-top:6px;letter-spacing:.12em}
+.decode-card{
+  background:#fff;border-radius:20px;padding:18px 14px;text-align:center;
+  box-shadow:0 8px 28px rgba(229,77,66,.12);
+}
+.decode-card h2{font-size:17px;color:var(--yxg-gold);letter-spacing:.1em}
+.sub{font-size:12px;color:#aaa;margin:4px 0 14px}
+.row{display:flex;gap:6px;align-items:center;justify-content:center;flex-wrap:wrap}
+.row input{
+  width:56px;padding:10px 4px;border:1.5px solid #eee;border-radius:12px;
+  text-align:center;font-size:15px;outline:none;
+}
+.row button{
+  padding:10px 16px;border:none;border-radius:22px;color:#fff;font-weight:600;
+  background:linear-gradient(135deg,#ff7a6e,var(--yxg-pri));
+}
+.err{color:var(--yxg-pri);font-size:12px;margin-top:8px}
+.block{margin-top:22px;background:#fff;border-radius:18px;padding:16px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
+.head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
+.head h3{font-size:16px}
+.head a{font-size:12px;color:#bbb}
+.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px 8px}
+.cell{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:11px;color:#555}
+.icon{
+  width:52px;height:52px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:20px;
+}
+.api{font-size:13px;color:var(--yxg-sub)}
+</style>

apps/user-h5/src/pages/MinePage.vue

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+<template>
+  <main class="page">
+    <h1>我的</h1>
+    <p class="sub">档案 · 会员 · 订单</p>
+    <div class="card">登录与会员状态将在商业化阶段接入。</div>
+  </main>
+</template>
+
+<style scoped>
+.page{padding:24px 16px}
+h1{font-size:22px}
+.sub{color:var(--yxg-sub);font-size:13px;margin:6px 0 16px}
+.card{background:#fff;border-radius:16px;padding:18px;font-size:14px;color:#666;line-height:1.6}
+</style>