feat: 新增知资札记工具及相关功能

1. 新增知资札记完整站点：包含首页、详情页、管理后台
2. 添加站点图标、鉴权配置与后端API鉴权逻辑
3. 在市场页面新增知资札记入口跳转
4. 新增经典乡村音乐播放列表文件
5. 临时添加养生谚语批量导入脚本

public/tools/zhizi_notes/detail.html

@@ -0,0 +1,79 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+  <meta charset="UTF-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <title>知资札记 · 文章详情</title>
+  <link rel="icon" href="/icons/zhizi_notes.svg" type="image/svg+xml" />
+  <link rel="stylesheet" href="/common/common.css" />
+  <link rel="stylesheet" href="/tools/zhizi_notes/zhizi_notes.css" />
+  <link rel="stylesheet" href="/tools/zhizi_notes/detail.css" />
+</head>
+<body>
+  <!-- Toast -->
+  <div id="zd-toast" class="zs-toast"></div>
+
+  <!-- ═══════════════ 顶部 Header ═══════════════ -->
+  <header class="zs-header">
+    <button class="hamburger" id="zd-back" title="返回" style="display:flex">←</button>
+    <div class="logo">知资札记</div>
+    <nav class="nav-menu">
+      <button data-nav="home">首页</button>
+    </nav>
+    <div class="header-right">
+      <button id="zs-theme-btn" class="theme-btn" title="切换暗黑模式">🌙</button>
+    </div>
+  </header>
+
+  <!-- ═══════════════ 主体 ═══════════════ -->
+  <div class="zd-layout">
+    <main class="zd-main">
+      <!-- 加载中 -->
+      <div id="zd-loading" class="zs-loading">
+        <div class="spinner"></div>
+        <div>加载中…</div>
+      </div>
+
+      <!-- 文章内容 -->
+      <article id="zd-article" style="display:none">
+        <!-- 标题区 -->
+        <header class="zd-header">
+          <h1 id="zd-title"></h1>
+          <div class="zd-meta">
+            <span id="zd-category" class="zd-cat"></span>
+            <span id="zd-source"></span>
+            <span id="zd-date"></span>
+            <span id="zd-views"></span>
+            <button id="zd-fav-btn" class="fav-btn" title="收藏">♡</button>
+          </div>
+          <div id="zd-tags" class="zd-tags"></div>
+        </header>
+
+        <!-- 封面图 -->
+        <div id="zd-cover" style="display:none">
+          <img id="zd-cover-img" alt="" />
+        </div>
+
+        <!-- 正文 -->
+        <div id="zd-content" class="zd-content"></div>
+
+        <!-- 图片集 -->
+        <div id="zd-gallery" class="zd-gallery" style="display:none">
+          <h3>附图</h3>
+          <div id="zd-gallery-grid" class="gallery-grid"></div>
+        </div>
+      </article>
+
+      <!-- 错误 -->
+      <div id="zd-error" class="zs-empty" style="display:none">
+        <div id="zd-error-msg">文章不存在或已被删除</div>
+        <div style="margin-top:12px">
+          <a href="/tools/zhizi_notes/index.html" style="color:var(--accent)">← 返回首页</a>
+        </div>
+      </div>
+    </main>
+  </div>
+
+  <script src="/tools/zhizi_notes/detail.js"></script>
+</body>
+</html>