Upgrade code

app/templates/base.html

@@ -254,7 +254,16 @@
     .comment-card.internal{border-left:3px solid var(--warning);background:var(--warning-bg);}
     .comment-author{font-size:13px;font-weight:600;color:var(--text);}
     .comment-time{font-size:11px;color:var(--muted);font-family:'Space Mono',monospace;}
-    .comment-body{font-size:14px;margin-top:8px;white-space:pre-wrap;color:var(--text2);}
+    .comment-body{font-size:14px;margin-top:8px;color:var(--text2);line-height:1.65;}
+    .comment-body p{margin:0 0 8px;}
+    .comment-body p:last-child{margin-bottom:0;}
+    .comment-body ul,.comment-body ol{margin:0 0 8px;padding-left:20px;}
+    .comment-body pre{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:10px 14px;font-size:12px;overflow-x:auto;margin:0 0 8px;}
+    .comment-body code{background:var(--surface);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-size:12px;font-family:'Space Mono',monospace;}
+    .comment-body pre code{background:none;border:none;padding:0;}
+    .comment-body blockquote{border-left:3px solid var(--border);margin:0 0 8px;padding:4px 12px;color:var(--muted);}
+    .comment-body a{color:var(--accent3);}
+    .comment-body hr{border:none;border-top:1px solid var(--border);margin:10px 0;}
     .history-item{font-size:12px;color:var(--muted);padding:6px 0;border-bottom:1px solid var(--border);}
 
     /* ── Responsive ── */
@@ -332,7 +341,15 @@
 
   <div class="sidebar-footer">
     <div class="user-card">
-      <div class="avatar">{{ current_user.full_name[0].upper() }}</div>
+      <div class="avatar">
+        {% if current_user.avatar_url %}
+        <img src="{{ url_for('auth.serve_avatar', filename=current_user.avatar_url) }}"
+             alt="{{ current_user.full_name[0].upper() }}"
+             style="width:32px;height:32px;border-radius:50%;object-fit:cover;display:block;"/>
+        {% else %}
+        {{ current_user.full_name[0].upper() }}
+        {% endif %}
+      </div>
       <div>
         <div class="user-name">{{ current_user.full_name }}</div>
         <div class="user-role">{{ current_user.role.replace('_',' ') }}</div>