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>

js/scales.js

@@ -0,0 +1,53 @@
+const ICONS = {'心理测试综合':'📋','人格测试':'🎭','抑郁症测试':'🌧️','焦虑症测试':'😰','强迫症测试':'🔄','躁狂症测试':'🔥','双向情感障碍':'🌓','恐惧症测试':'😨','智商测试':'🧠','情商测试':'💝','其它测试':'📌'};
+
+const CAT_KEYS = {'心理测试综合':'cat-综合','人格测试':'cat-人格','抑郁症测试':'cat-抑郁','焦虑症测试':'cat-焦虑','强迫症测试':'cat-强迫','躁狂症测试':'cat-躁狂','双向情感障碍':'cat-双相','恐惧症测试':'cat-恐惧','智商测试':'cat-智商','情商测试':'cat-情商','其它测试':'cat-其他'};
+
+let scales = [], activeCat = '全部';
+
+async function load() {
+  document.getElementById('content').innerHTML = '<div class="loading">加载中…</div>';
+  try {
+    const r = await fetch('../api/scales');
+    scales = await r.json();
+    renderCats();
+    renderScales();
+  } catch(e) {
+    document.getElementById('content').innerHTML = '<div class="loading">加载失败，请刷新重试</div>';
+  }
+}
+
+function renderCats() {
+  const cats = [...new Set(scales.map(s=>s.category))];
+  const html = ['<button class="cat-btn active" onclick="filter(\'全部\')">全部</button>'];
+  cats.forEach(c => {
+    html.push(`<button class="cat-btn" onclick="filter('${c}')">${c}</button>`);
+  });
+  document.getElementById('cats').innerHTML = html.join('');
+}
+
+function filter(cat) {
+  activeCat = cat;
+  document.querySelectorAll('.cat-btn').forEach(b => b.classList.toggle('active', b.textContent === cat));
+  renderScales();
+}
+
+function renderScales() {
+  const filtered = activeCat === '全部' ? scales : scales.filter(s=>s.category===activeCat);
+  if (!filtered.length) {
+    document.getElementById('content').innerHTML = '<div class="empty">暂无数据</div>';
+    return;
+  }
+  const html = filtered.map(s => `
+    <a href="scale-test.html?slug=${s.slug}" class="scale-card">
+      <div class="icon ${CAT_KEYS[s.category]||'cat-其他'}">${ICONS[s.category]||'📌'}</div>
+      <div class="info">
+        <div class="name">${s.name}</div>
+        <div class="desc">${s.description||''}</div>
+      </div>
+      <div class="count">${s.question_count}题</div>
+    </a>
+  `).join('');
+  document.getElementById('content').innerHTML = `<div class="scales">${html}</div>`;
+}
+
+load();