Tool log UI: collapsible block under agent messages

Shows 🔧 Инструменты (N) with tool names and truncated results.
Displayed between thinking and message content.

src/components/ChatPanel.tsx

@@ -297,6 +297,25 @@ export default function ChatPanel({ chatId, projectId }: Props) {
             </div>
           </details>
         )}
+        {msg.tool_log && msg.tool_log.length > 0 && (
+          <details className="ml-5 mb-1">
+            <summary className="text-xs text-[var(--muted)] cursor-pointer hover:text-[var(--fg)]">
+              🔧 Инструменты ({msg.tool_log.length})
+            </summary>
+            <div className="mt-1 text-xs text-[var(--muted)] bg-white/5 rounded p-2 max-h-[300px] overflow-y-auto space-y-1">
+              {msg.tool_log.map((t, i) => (
+                <div key={i} className="border-b border-white/10 pb-1 last:border-0">
+                  <span className="font-mono text-blue-400">{t.name}</span>
+                  {t.result && (
+                    <div className="ml-3 text-[var(--muted)] truncate max-w-[500px]" title={t.result}>
+                      → {t.result.slice(0, 150)}{t.result.length > 150 ? '…' : ''}
+                    </div>
+                  )}
+                </div>
+              ))}
+            </div>
+          </details>
+        )}
         <div className="ml-5 whitespace-pre-wrap">{renderContent(msg.content)}</div>
         {renderAttachments(msg.attachments)}
       </div>

src/lib/api.ts

@@ -147,6 +147,7 @@ export interface Message {
   author: MemberBrief | null;
   content: string;
   thinking: string | null;
+  tool_log: Array<{name: string; args?: string; result?: string; error?: boolean}> | null;
   mentions: MemberBrief[];
   actor: MemberBrief | null;
   voice_url: string | null;