feat: 增强知识库治理台前台入口与维护导航

templates/platform_ui/knowledge_base.html

@@ -18,6 +18,51 @@
     {% endfor %}
   </section>
 
+  <section class="workspace-grid" style="grid-template-columns: 280px minmax(0, 1fr);">
+    <article class="panel">
+      <h2 class="section-title">治理对象导航</h2>
+      <p class="section-copy">按治理对象切换当前列表和维护入口，保持法规、RAG、字段、模板和通知口径统一。</p>
+      <ul class="detail-list">
+        {% for item in governance_objects %}
+          <li class="detail-item">
+            <strong>
+              <a href="?view={{ item.key }}">{{ item.title }}</a>
+            </strong>
+            <div class="muted">{{ item.summary }}</div>
+            {% if active_governance_object.key == item.key %}
+              <div class="badge-row" style="margin-top: 8px;">
+                <span class="pill pill-accent">当前对象：{{ item.title }}</span>
+              </div>
+            {% endif %}
+          </li>
+        {% endfor %}
+      </ul>
+    </article>
+
+    <article class="panel">
+      <div class="section-heading">
+        <div>
+          <h2 class="section-title">{{ active_governance_object.detail_title }}</h2>
+          <p class="section-copy">{{ active_governance_object.detail_copy }}</p>
+        </div>
+        <div class="button-row">
+          <a class="button" href="{{ active_governance_object.admin_url }}">进入后台维护</a>
+        </div>
+      </div>
+      <div class="badge-row" style="margin-bottom: 14px;">
+        <span class="pill pill-accent">当前对象：{{ active_governance_object.title }}</span>
+      </div>
+      <div class="grid-3">
+        {% for action in active_governance_object.actions %}
+          <article class="panel" style="padding: 14px;">
+            <h3 class="section-title" style="font-size: 0.98rem;">{{ action }}</h3>
+            <p class="section-copy">该操作在 V1 通过后台维护与治理台入口统一承接。</p>
+          </article>
+        {% endfor %}
+      </div>
+    </article>
+  </section>
+
   <section class="grid-3">
     {% for section in governance_sections %}
       <article class="panel">