fix: merge main, address code review feedback for security fix PR #816

- Merge origin/main into branch (resolve conflict in integrations_dashboard.html)
- Add defensive JSON parsing with try/except for integration.config
- Wrap tester() call in try/except to prevent 500 errors from bad config
- Add i18n key integrations.connection_test_failed_fallback in en.json
- Reference i18n key in template JS fallback message
- Update SECURITY_AUDIT.md: add fix date (2026-03-23), update doc date
- Remove accidental revert.sh file
- Fix missing MagicMock/patch imports in test file
- Add tests for invalid JSON config and tester exception error paths

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
Agent-Logs-Url: https://github.com/christianlouis/DocuElevate/sessions/daebb70e-059a-4601-8864-88eef49f99cf

frontend/templates/file_detail.html

@@ -1056,7 +1056,7 @@
 
           html += `
             <div role="listitem">
-            <a href="/files/${doc.file_id}/detail" aria-label="${title} — ${scorePercent}% similarity (${scoreLabel})" style="text-decoration: none; color: inherit; display: block;">
+            <a href="/files/${doc.file_id}" aria-label="${title} — ${scorePercent}% similarity (${scoreLabel})" style="text-decoration: none; color: inherit; display: block;">
               <div style="display: flex; align-items: center; gap: 1rem; padding: 0.75rem 1rem; background-color: #f7fafc; border-radius: 0.5rem; border: 1px solid #e2e8f0; transition: border-color 0.2s; cursor: pointer;" onmouseover="this.style.borderColor='#4299e1'" onmouseout="this.style.borderColor='#e2e8f0'">
                 <div style="flex-shrink: 0; width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.875rem; color: white; background-color: ${scorePercent >= 80 ? '#48bb78' : scorePercent >= 50 ? '#ecc94b' : '#718096'};" aria-hidden="true">
                   ${scorePercent}%
@@ -1091,14 +1091,23 @@
     }
   </script>
   {% endif %}
+
 {% endblock %}
 
 {% block content %}
 <div class="detail-container">
-  <a href="/files" class="back-button" aria-label="Back to File List">
-    <i class="fas fa-arrow-left" aria-hidden="true"></i>
-    Back to File List
-  </a>
+  <div style="display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap;">
+    <a href="/files/{{ file.id }}" class="back-button" style="margin-bottom:0;" aria-label="Back to File Summary">
+      <i class="fas fa-arrow-left" aria-hidden="true"></i>
+      Back to File Summary
+    </a>
+    {% if file %}
+    <a href="/files/{{ file.id }}/detail" class="back-button" style="margin-bottom:0;" aria-label="View document detail for {{ file.original_filename }}">
+      <i class="fas fa-eye" aria-hidden="true"></i>
+      Document Detail
+    </a>
+    {% endif %}
+  </div>
 
   {% if error %}
   <div class="error-message">