fix: PDF extraction bbox compatibility, update date formats, and bump max retries

- Fix bbox format detection in pdf_image_extractor (support Rect and tuple)
- Update date display format to include year (%Y-%m-%d) across templates
- Increase SUMMARY_MAX_RETRIES from 1 to 2 for better error recovery
- Widen date input field for better usability

app/templates/admin_logs.html

@@ -34,8 +34,8 @@
             <td>{{ log.date or '-' }}</td>
             <td>{{ log.papers_found or 0 }}</td>
             <td>{{ log.papers_new or 0 }}</td>
-            <td class="time-cell">{{ log.started_at.strftime('%m-%d %H:%M') if log.started_at else '-' }}</td>
-            <td class="time-cell">{{ log.completed_at.strftime('%m-%d %H:%M') if log.completed_at else '-' }}</td>
+            <td class="time-cell">{{ log.started_at.strftime('%Y-%m-%d %H:%M') if log.started_at else '-' }}</td>
+            <td class="time-cell">{{ log.completed_at.strftime('%Y-%m-%d %H:%M') if log.completed_at else '-' }}</td>
             <td class="error-cell" title="{{ log.error or '' }}">
               {{ log.error[:80] + '...' if log.error and log.error|length > 80 else (log.error or '-') }}
             </td>
@@ -73,8 +73,8 @@
               {% 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">{{ job.started_at.strftime('%m-%d %H:%M') if job.started_at else '-' }}</td>
-            <td class="time-cell">{{ job.completed_at.strftime('%m-%d %H:%M') if job.completed_at else '-' }}</td>
+            <td class="time-cell">{{ job.started_at.strftime('%Y-%m-%d %H:%M') if job.started_at else '-' }}</td>
+            <td class="time-cell">{{ job.completed_at.strftime('%Y-%m-%d %H:%M') if job.completed_at else '-' }}</td>
             <td class="error-cell" title="{{ job.error or '' }}">
               {{ job.error[:80] + '...' if job.error and job.error|length > 80 else (job.error or '-') }}
             </td>