fix(agent): 修复流式推理与工具参数重试

web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx

@@ -30,6 +30,7 @@ export type CloudAgentChatMessage = {
     title?: string;
     text: string;
     streaming?: boolean;
+    reasoning?: boolean;
     meta?: string;
     detail?: unknown;
     attachments?: CloudAgentChatAttachment[];
@@ -91,6 +92,12 @@ export function AgentChatMessage({
     const isUser = item.role === "user";
     const isSystem = item.role === "system";
     const color = item.role === "error" ? "#ef4444" : theme.node.text;
+    if (item.reasoning) {
+        return <details className="min-w-0 text-xs" style={{ color: theme.node.muted }}>
+            <summary className="cursor-pointer py-1 focus-visible:outline-auto">{item.streaming ? "模型推理中" : "模型推理摘要"}</summary>
+            <div className="max-h-64 overflow-auto whitespace-pre-wrap break-words py-2" data-canvas-wheel-scroll>{item.text}</div>
+        </details>;
+    }
     if (isSystem) {
         return (
             <div className="flex items-start gap-3 text-xs">

web/src/components/canvas/canvas-cloud-agent-panel.tsx

@@ -1090,6 +1090,12 @@ function applyAgentEvent(event: AgentEvent, setMessages: Dispatch<SetStateAction
         setMessages((current) => upsertTextMessage(current, String(payload.messageId || "assistant"), text, true));
         return;
     }
+    if (event.type === "reasoning_delta" || event.type === "reasoning_message") {
+        const id = String(payload.messageId || `${event.runId}:reasoning`);
+        setMessages((current) => upsertTextMessage(current, id, text, event.type === "reasoning_delta")
+            .map((item) => item.id === id ? { ...item, reasoning: true } : item));
+        return;
+    }
     if (event.type === "assistant_message") {
         setMessages((current) => upsertTextMessage(current, String(payload.messageId || event.eventId), text, false));
         return;