fix(canvas): 云端 Agent - 参数错误有限重试并折叠中间失败

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

@@ -14,6 +14,7 @@ import type { CanvasResourceReference } from "@/lib/canvas/canvas-resource-refer
 import type { Skill } from "@/services/api/skills";
 import { buildSkillMentionReferences } from "@/services/skill-runtime";
 import { agentToolCategory, agentToolCategoryLabel, agentToolStatus, friendlyAgentToolSummary } from "@/lib/canvas/agent-tool-presentation";
+import { agentToolRetry, type AgentToolRetryAttempt } from "@/lib/canvas/agent-tool-retry";
 
 export type CloudAgentChatAttachment = { id: string; name: string; url: string };
 type CloudAgentOperationImpact = {
@@ -325,6 +326,21 @@ export function AgentToolCard({ title, text, detail, theme, references = [], onF
     const isPlain = !actions.length && !state.isError;
     const conciseError = text.length > 180 ? `${text.slice(0, 180)}…` : text;
     const categoryIcon = category === "read" ? <Eye className="size-3.5" /> : category === "create" ? <Plus className="size-3.5" /> : <Pencil className="size-3.5" />;
+    const retry = agentToolRetry(detail);
+    const attempts = objectField(detail, "retryAttempts");
+    if (retry && Array.isArray(attempts)) {
+        const label = retry.status === "recovered" ? "自动纠正后已恢复" : retry.status === "exhausted" ? "自动纠正未完成" : "自动纠正记录";
+        return (
+            <details data-agent-tool-retry className="min-w-0 flex-1 text-xs leading-5" style={{ color: theme.node.muted }}>
+                <summary className="cursor-pointer rounded-sm focus-visible:outline focus-visible:outline-2" style={{ outlineColor: theme.node.muted }}>
+                    {label} · {retry.attempt}/{retry.maxAttempts} 次尝试未通过
+                </summary>
+                <ol className="mt-2 space-y-1 pl-4" aria-label="自动纠正详情">
+                    {(attempts as AgentToolRetryAttempt[]).map((attempt, index) => <li key={attempt.id} className="whitespace-pre-wrap break-words">第 {index + 1} 次：{attempt.text}</li>)}
+                </ol>
+            </details>
+        );
+    }
     return (
         <div data-agent-tool-card className={`agent-tool-row agent-tool-row--${category}${isPlain ? " agent-tool-row--plain" : ""} flex min-w-0 flex-1 items-start gap-2.5 text-left`} style={{ color: theme.node.text }}>
             <span className="agent-tool-status shrink-0" style={{ color: state.color }} aria-hidden="true">{state.icon}</span>

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

@@ -4,6 +4,7 @@ import { AnimatePresence, motion, useReducedMotion } from "motion/react";
 import { ArrowLeft, Check, ChevronRight, CircleDot, Clock3, Download, History, LoaderCircle, MessageSquarePlus, MoveDiagonal2, Settings2, ShieldCheck, Trash2, Sparkles, X } from "lucide-react";
 import { saveAs } from "file-saver";
 import { buildAgentDebugExport } from "@/lib/canvas/agent-debug-export";
+import { agentToolRetry, mergeAgentToolRetry } from "@/lib/canvas/agent-tool-retry";
 import { agentPlanVisible, latestAgentPlanItems, pendingAgentQuestion } from "@/lib/canvas/cloud-agent-plan";
 import { nanoid } from "nanoid";
 
@@ -1236,6 +1237,11 @@ function applyAgentEvent(event: AgentEvent, setMessages: Dispatch<SetStateAction
         setMessages((current) => appendUniqueMessage(current, { id, role: "tool", title: "canvas_apply_ops", text: "画布操作已完成", detail: { ...detail, eventType: event.type } }));
         return;
     }
+    if (event.type.startsWith("tool_") && agentToolRetry(payload)) {
+        const message: CloudAgentChatMessage = { id: event.eventId, role: "tool", title: String(payload.toolName || "工具执行"), text, detail: { ...payload, eventType: event.type } };
+        setMessages((current) => mergeAgentToolRetry(current, message));
+        if (event.type === "tool_failed") return;
+    }
     if (event.type === "tool_completed" && payload.toolName === "canvas_apply_ops" && payload.callId) {
         const id = `canvas-${event.runId}-${payload.callId}`;
         setMessages((current) => appendUniqueMessage(current, { id, role: "tool", title: "canvas_apply_ops", text: text || "画布操作已完成", detail: { ...payload, eventType: event.type } }));

web/src/lib/canvas/agent-tool-presentation.ts

@@ -1,3 +1,5 @@
+import { agentToolRetry } from "./agent-tool-retry";
+
 export const AGENT_TOOL_METADATA: Record<string, { summary: string | ((context: { pending: boolean; detail?: unknown }) => string); failureMessage: string }> = {
     canvas_list_node_types: { summary: "已读取可用节点类型", failureMessage: "获取可用节点类型失败" },
     canvas_get_state: { summary: "已读取当前画布", failureMessage: "获取画布内容失败" },
@@ -43,7 +45,7 @@ export function agentToolCategoryLabel(toolName: string, category: AgentToolCate
     return "操作画布";
 }
 
-type ToolStatus = "completed" | "failed" | "noop" | "rejected" | "pending";
+type ToolStatus = "completed" | "failed" | "noop" | "rejected" | "pending" | "retrying";
 
 function field(value: unknown, key: string): unknown {
     return value && typeof value === "object" ? (value as Record<string, unknown>)[key] : undefined;
@@ -51,6 +53,7 @@ function field(value: unknown, key: string): unknown {
 
 export function agentToolStatus(title: string, text: string, detail?: unknown): ToolStatus {
     const event = field(detail, "eventType");
+    if (event === "tool_failed" && agentToolRetry(detail)?.status === "retrying") return "retrying";
     if (event === "tool_completed" || event === "generation_task_created" || event === "canvas_updated") return "completed";
     if (event === "tool_failed") return "failed";
     const raw = `${title} ${text} ${field(detail, "error") || ""}`;

web/src/lib/canvas/agent-tool-retry.ts

@@ -0,0 +1,35 @@
+type RetryStatus = "retrying" | "recovered" | "exhausted";
+export type AgentToolRetry = { groupId: string; attempt: number; maxAttempts: number; status: RetryStatus };
+type RetryMessage = { id: string; role: string; title?: string; text: string; detail?: unknown };
+export type AgentToolRetryAttempt = { id: string; text: string; detail: unknown };
+
+function record(value: unknown): Record<string, unknown> {
+    return value && typeof value === "object" && !Array.isArray(value) ? value as Record<string, unknown> : {};
+}
+
+export function agentToolRetry(detail: unknown): AgentToolRetry | undefined {
+    const retry = record(record(detail).retry);
+    if (typeof retry.groupId !== "string" || !retry.groupId || typeof retry.attempt !== "number" || !Number.isInteger(retry.attempt) || retry.attempt < 1 || typeof retry.maxAttempts !== "number" || !Number.isInteger(retry.maxAttempts) || retry.maxAttempts < retry.attempt) return;
+    if (retry.status !== "retrying" && retry.status !== "recovered" && retry.status !== "exhausted") return;
+    return retry as AgentToolRetry;
+}
+
+// Run-scoped group IDs and event IDs keep SSE replay idempotent. Successful
+// calls retain their ordinary result card; only failed attempts are folded.
+export function mergeAgentToolRetry<T extends RetryMessage>(messages: T[], message: T): T[] {
+    const retry = agentToolRetry(message.detail);
+    if (!retry) return messages;
+    const id = `tool-retry:${retry.groupId}`;
+    const index = messages.findIndex((item) => item.id === id);
+    const previous = index >= 0 ? messages[index] : undefined;
+    const previousDetail = record(previous?.detail);
+    const attempts: AgentToolRetryAttempt[] = Array.isArray(previousDetail.retryAttempts) ? [...previousDetail.retryAttempts] : [];
+    if (retry.status !== "recovered" && !attempts.some((item) => item.id === message.id)) attempts.push({ id: message.id, text: message.text, detail: message.detail });
+    const previousRetry = agentToolRetry(previous?.detail);
+    // An old failed event must not undo a later recovery during reconnection.
+    const previousIsFinal = previousRetry?.status === "recovered" || previousRetry?.status === "exhausted";
+    const latest = previousRetry && (previousIsFinal || previousRetry.attempt > retry.attempt) ? previousRetry : retry;
+    const group = { ...message, id, detail: { ...record(message.detail), retry: latest, retryAttempts: attempts } };
+    if (index < 0) return [...messages, group];
+    return messages.map((item, itemIndex) => itemIndex === index ? group : item);
+}