feat: enhance UI, refactor services, improve templates and tests

- Replace image_extractor with pdf_image_extractor service
- Enhance pi_client with expanded API capabilities
- Improve summarizer service with additional features
- Update admin routes with more endpoints
- Add login page template
- Enhance detail page with comprehensive layout
- Improve search and trends pages
- Update base template with additional elements
- Refactor tests for better coverage
- Add validate_summary script
- Update project configuration and dependencies

app/templates/admin_logs.html

@@ -36,9 +36,17 @@
             </td>
             <td>
               <span class="status-badge status-{{ log.status }}">
-                {% if log.status == 'success' %}✓ 成功 {% elif log.status ==
-                'running' %}⟳ 运行中 {% elif log.status == 'failed' %}✗ 失败 {%
-                else %}{{ log.status }}{% endif %}
+                {# djlint:off #}
+                {% if log.status == 'success' %}
+                  ✓ 成功
+                {% elif log.status == 'running' %}
+                  ⟳ 运行中
+                {% elif log.status == 'failed' %}
+                  ✗ 失败
+                {% else %}
+                  {{ log.status }}
+                {% endif %}
+                {# djlint:on #}
               </span>
             </td>
             <td>{{ log.date or '-' }}</td>
@@ -97,9 +105,17 @@
             <td>{{ job.paper_count or 0 }}</td>
             <td>
               <span class="status-badge status-{{ job.status }}">
-                {% if job.status == 'success' %}✓ 成功 {% elif job.status ==
-                'running' %}⟳ 运行中 {% elif job.status == 'failed' %}✗ 失败 {%
-                else %}{{ job.status }}{% endif %}
+                {# djlint:off #}
+                {% if job.status == 'success' %}
+                  ✓ 成功
+                {% elif job.status == 'running' %}
+                  ⟳ 运行中
+                {% elif job.status == 'failed' %}
+                  ✗ 失败
+                {% else %}
+                  {{ job.status }}
+                {% endif %}
+                {# djlint:on #}
               </span>
             </td>
             <td class="time-cell">
@@ -345,21 +361,23 @@
 {% endblock %} {% block scripts %}
 <script>
   function adminAction(action) {
-    const token = prompt("请输入 Admin Token:");
-    if (!token) return;
-
     const url = "/admin/" + action;
     fetch(url, {
       method: "POST",
-      headers: {
-        Authorization: "Bearer " + token,
-        "Content-Type": "application/json",
-      },
+      headers: { "Content-Type": "application/json" },
     })
-      .then((r) => r.json())
+      .then((r) => {
+        if (r.status === 303 || r.status === 401) {
+          window.location.href = "/admin/login";
+          return;
+        }
+        return r.json();
+      })
       .then((data) => {
-        alert(JSON.stringify(data, null, 2));
-        location.reload();
+        if (data) {
+          alert(JSON.stringify(data, null, 2));
+          location.reload();
+        }
       })
       .catch((err) => {
         alert("请求失败: " + err.message);