merge: 合并 Agent 面板 UI 优化 PR #624

2026-09-26 06:20:01 +08:00
parent 2cedc4c66b 7d5d37d69e
commit 48e6a705ef
10 changed files with 1003 additions and 126 deletions
--- a/web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx
+++ b/web/src/components/canvas/canvas-cloud-agent-chat-ui.tsx
@@ -1,10 +1,10 @@
 import { agentCanvasActions, agentCanvasActionLabel } from "@/lib/canvas/agent-canvas-actions";
 import { Button } from "antd";
 import { Tooltip } from "@/components/ui/base/tooltip";
-import { useCallback, useEffect, useMemo, useRef, useState, type ClipboardEvent as ReactClipboardEvent, type CSSProperties, type KeyboardEvent as ReactKeyboardEvent, type PointerEvent as ReactPointerEvent, type ReactNode } from "react";
+import { useCallback, useEffect, useId, useMemo, useRef, useState, type ClipboardEvent as ReactClipboardEvent, type CSSProperties, type KeyboardEvent as ReactKeyboardEvent, type PointerEvent as ReactPointerEvent, type ReactNode } from "react";

-import { motion, useReducedMotion } from "motion/react";
-import { ArrowLeft, ArrowUp, AtSign, Bookmark, CheckCircle2, ChevronDown, ChevronUp, CircleAlert, CircleDot, Clapperboard, Eye, HelpCircle, ImagePlus, Layers3, ListChecks, LoaderCircle, Palette, Pencil, Plus, RotateCcw, Shapes, Share2, ShoppingBag, Sparkles, Square, X, XCircle } from "lucide-react";
+import { AnimatePresence, motion, useReducedMotion } from "motion/react";
+import { ArrowLeft, ArrowUp, AtSign, Bookmark, CheckCircle2, ChevronDown, ChevronUp, CircleAlert, CircleDot, Clapperboard, Eye, HelpCircle, ImagePlus, Layers3, List, ListChecks, LoaderCircle, Palette, Pencil, Plus, RotateCcw, Shapes, Share2, ShoppingBag, Sparkles, Square, Wrench, X, XCircle } from "lucide-react";

 import { canvasThemes } from "@/lib/canvas-theme";
 import { AIMessageMarkdown } from "@/components/ai/ai-message-markdown";
@@ -13,7 +13,8 @@ import { CanvasResourceMentionTextarea } from "./canvas-resource-mention-textare
 import type { CanvasResourceReference } from "@/lib/canvas/canvas-resource-references";
 import type { Skill, SkillPreset } from "@/services/api/skills";
 import { buildSkillMentionReferences } from "@/services/skill-runtime";
-import { agentToolCategory, agentToolCategoryLabel, agentToolErrorClassLabel, agentToolStatus, friendlyAgentToolSummary } from "@/lib/canvas/agent-tool-presentation";
+import { agentToolCategory, agentToolCategoryLabel, agentToolErrorClassLabel, agentToolName, agentToolRetryLabel, agentToolStatus, friendlyAgentToolSummary, type AgentToolCategory } from "@/lib/canvas/agent-tool-presentation";
+import { agentOperationCategory, agentOperationFailed, agentOperationSegmentLabel } from "@/lib/canvas/agent-operation-feed";
 import { agentToolRetry, type AgentToolRetryAttempt } from "@/lib/canvas/agent-tool-retry";

 export type CloudAgentChatAttachment = { id: string; name: string; url: string };
@@ -38,6 +39,12 @@ export type CloudAgentChatMessage = {
    text: string;
    streaming?: boolean;
    reasoning?: boolean;
+    /**
+     * 本轮最终答复（服务端收尾闸门的结论）。false 表示这是过程正文——模型边做边说的那一段，
+     * 不是结论：运行还在继续，或者这次收尾被闸门拦下了。缺省按 true 处理（老后端没有这个字段）。
+     * 界面不再为它单独出角标（用户口径），但标记仍如实保存。
+     */
+    final?: boolean;
    planItems?: CloudAgentPlanItem[];
    /** 运行已进入终态，但计划项仍未全部完成；用于历史恢复时停止显示 loading。 */
    planTerminal?: boolean;
@@ -48,6 +55,34 @@ export type CloudAgentChatMessage = {
    interjection?: "sent" | "undelivered";
 };

+/**
+ * 助手正文的收尾语义（工作项 A）：final=false 是过程说明，true / 缺省是结论。
+ * 缺省按"结论"处理是为了兼容升级前的后端事件——那时所有正文都按最终正文展示。
+ */
+export function agentAssistantFinality(payload: Record<string, unknown>): boolean {
+    return payload.final !== false;
+}
+
+/**
+ * 服务端控制消息（例如运行时的收尾闸门 `completion_blocked`）在时间线里的表示：
+ * 它是服务端说明，不是用户发言，所以走 system 行——绝不能渲染成真人 user 气泡。
+ */
+export function agentControlMessage(id: string, text: string, meta?: string): CloudAgentChatMessage {
+    return { id, role: "system", text, meta };
+}
+
+/**
+ * 类别的图标语言：三档互不串味 —— 清单用 List（读到存在与规模）、画面用 Eye（图片字节真的
+ * 交给了模型）、写画布用 Pencil / 创建用 Plus；未登记的工具走中性的 Wrench。
+ */
+function agentToolCategoryIcon(category: AgentToolCategory) {
+    if (category === "vision") return <Eye className="size-3.5" />;
+    if (category === "read") return <List className="size-3.5" />;
+    if (category === "create") return <Plus className="size-3.5" />;
+    if (category === "operate") return <Pencil className="size-3.5" />;
+    return <Wrench className="size-3.5" />;
+}
+
 export type CloudAgentQuickAction = { label: string; prompt: string };

 /**
@@ -175,8 +210,7 @@ export function AgentChatMessage({
    }
    return (
        <div className={`flex items-start gap-3 ${isUser ? "justify-end" : "justify-start"}`}>
-            {!isUser ? <AgentTimelineMarker theme={theme} tone="agent" /> : null}
-            <div className={`agent-message-body min-w-0 text-sm leading-6 ${isUser ? "agent-message-user max-w-[82%] px-4 py-3 text-right" : "max-w-[calc(100%-36px)] flex-1 text-left"}`} style={{ color }}>
+            <div className={`agent-message-body min-w-0 text-sm leading-6 ${isUser ? "agent-message-user max-w-[82%] px-4 py-3 text-right" : "max-w-full flex-1 text-left"}`} style={{ color }}>
                {item.interjection ? (
                    <span
                        className="mb-1 inline-flex items-center rounded-full px-1.5 py-[1px] text-[var(--fs-label)] leading-4"
@@ -419,95 +453,163 @@ export function AgentToolCard({
    const visibleActions = actions.slice(0, isNodeRead && !readExpanded ? 1 : 8);
    const collapsedReadNodeCount = isNodeRead ? Math.max(0, actions.length - visibleActions.length) : 0;
    const isPlain = !actions.length && !state.isError;
-    const hasDetails = actions.length > 0 || state.isError;
    const conciseError = text.length > 180 ? `${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 header = (
-        <div className="agent-tool-header">
-            <span className="agent-tool-category">
-                {categoryIcon}
-                <span>{categoryLabel}</span>
-            </span>
-            <span className="agent-tool-summary">{summary}</span>
-            {state.label !== "已完成" ? (
-                <span className="agent-tool-label" style={{ color: state.color }}>
-                    {state.label}
-                </span>
-            ) : null}
-        </div>
-    );
-    const detailBody = (
-        <>
-            {actions.length ? (
-                <div className="agent-tool-action-list">
-                    {visibleActions.map((action) => (
-                        <button
-                            key={`${action.action}-${action.nodeId}`}
-                            type="button"
-                            data-agent-node-id={action.nodeId}
-                            disabled={!onFocusNode}
-                            onClick={() => onFocusNode?.(action.nodeId)}
-                            aria-label={`在画布中定位${action.title}`}
-                            className="agent-tool-action-link"
-                        >
-                            {agentCanvasActionLabel(action)}
-                        </button>
-                    ))}
-                    {isNodeRead && (collapsedReadNodeCount > 0 || readExpanded) ? (
-                        <button type="button" className="agent-tool-more" aria-expanded={readExpanded} onClick={() => setReadExpanded((current) => !current)}>
-                            {readExpanded ? `收起其余 ${Math.max(0, actions.length - 1)} 个节点` : `已折叠 ${collapsedReadNodeCount} 个节点，展开查看`}
-                        </button>
-                    ) : null}
-                </div>
-            ) : null}
-            {state.isError && text && text !== summary ? (
-                <span className="mt-1 block whitespace-pre-wrap break-words" style={{ color: theme.node.muted }}>
-                    {conciseError}
-                </span>
-            ) : null}
-            {state.isError && text.length > 180 ? (
-                <details className="mt-1" style={{ color: theme.node.muted }}>
-                    <summary className="cursor-pointer">查看完整错误详情</summary>
-                    <p className="whitespace-pre-wrap break-words">{text}</p>
-                </details>
-            ) : null}
-            {state.isError && objectField(objectField(detail, "result"), "taskId") ? (
-                <span className="mt-1 block break-all" style={{ color: theme.node.muted }}>
-                    任务 ID：{String(objectField(objectField(detail, "result"), "taskId"))}
-                </span>
-            ) : null}
-        </>
-    );
-    if (hasDetails) {
+    const categoryIcon = agentToolCategoryIcon(category);
+    const retry = agentToolRetry(detail);
+    const attempts = objectField(detail, "retryAttempts");
+    if (retry && Array.isArray(attempts)) {
+        const label = agentToolRetryLabel(retry);
        return (
-            <details data-agent-tool-card className={`agent-tool-details agent-tool-row--${category}${isPlain ? " agent-tool-row--plain" : ""}`} style={{ color: theme.node.text }}>
-                <summary className="agent-tool-summary-toggle agent-tool-row flex min-w-0 items-start gap-2.5 text-left">
-                    <span className="agent-tool-status shrink-0" style={{ color: state.color }} aria-hidden="true">
-                        {state.icon}
-                    </span>
-                    <div className="min-w-0 flex-1 break-words text-xs leading-5" style={{ color: state.isError ? state.color : theme.node.muted }}>
-                        {header}
-                    </div>
-                    <ChevronDown className="agent-tool-chevron mt-1 size-3.5 shrink-0" aria-hidden="true" />
+            <details data-agent-tool-retry className="min-w-0 flex-1 text-xs leading-5" style={{ color: theme.node.muted }}>
+                <summary className="cursor-pointer rounded-sm focus-visible:outline focus-visible:outline-2" style={{ outlineColor: theme.node.muted }}>
+                    {label} · {retry.attempt}/{retry.maxAttempts} 次尝试未通过
                </summary>
-                <div className="agent-tool-detail-body ml-6 break-words text-xs leading-5" style={{ color: theme.node.muted }}>
-                    {detailBody}
-                </div>
+                <ol className="mt-2 space-y-1 pl-4" aria-label="自动纠正详情">
+                    {(attempts as AgentToolRetryAttempt[]).map((attempt, index) => (
+                        <li key={attempt.id} className="whitespace-pre-wrap break-words">
+                            第 {index + 1} 次：{attempt.text}
+                        </li>
+                    ))}
+                </ol>
            </details>
        );
    }
    return (
-        <div data-agent-tool-card className="agent-tool-row agent-tool-row--plain flex min-w-0 flex-1 items-start gap-2.5 text-left" style={{ color: theme.node.text }}>
+        <div data-agent-tool-card className={`agent-tool-row agent-tool-row--${category}${isPlain ? " agent-tool-row--plain" : ""} flex min-w-0 flex-1 items-start gap-2.5 text-left`} style={{ color: theme.node.text }}>
            <span className="agent-tool-status shrink-0" style={{ color: state.color }} aria-hidden="true">
                {state.icon}
            </span>
            <div className="min-w-0 flex-1 break-words text-xs leading-5" style={{ color: state.isError ? state.color : theme.node.muted }}>
-                {header}
+                <div className="agent-tool-header">
+                    <span className="agent-tool-category">
+                        {categoryIcon}
+                        <span>{categoryLabel}</span>
+                    </span>
+                    <span className="agent-tool-summary">{summary}</span>
+                    {state.label !== "已完成" ? (
+                        <span className="agent-tool-label" style={{ color: state.color }}>
+                            {state.label}
+                        </span>
+                    ) : null}
+                </div>
+                {actions.length ? (
+                    <div className="agent-tool-action-list">
+                        {visibleActions.map((action) => (
+                            <button
+                                key={`${action.action}-${action.nodeId}`}
+                                type="button"
+                                data-agent-node-id={action.nodeId}
+                                disabled={!onFocusNode}
+                                onClick={() => onFocusNode?.(action.nodeId)}
+                                aria-label={`在画布中定位${action.title}`}
+                                className="agent-tool-action-link"
+                            >
+                                {agentCanvasActionLabel(action)}
+                            </button>
+                        ))}
+                        {isNodeRead && (collapsedReadNodeCount > 0 || readExpanded) ? (
+                            <button type="button" className="agent-tool-more" aria-expanded={readExpanded} onClick={() => setReadExpanded((current) => !current)}>
+                                {readExpanded ? `收起其余 ${Math.max(0, actions.length - 1)} 个节点` : `另有 ${collapsedReadNodeCount} 个节点只是清单（未查看画面），展开查看`}
+                            </button>
+                        ) : null}
+                    </div>
+                ) : null}
+                {state.isError && text && text !== summary ? (
+                    <span className="mt-1 block whitespace-pre-wrap break-words" style={{ color: theme.node.muted }}>
+                        {conciseError}
+                    </span>
+                ) : null}
+                {state.isError && text.length > 180 ? (
+                    <details className="mt-1" style={{ color: theme.node.muted }}>
+                        <summary className="cursor-pointer">查看完整错误详情</summary>
+                        <p className="whitespace-pre-wrap break-words">{text}</p>
+                    </details>
+                ) : null}
+                {state.isError && objectField(objectField(detail, "result"), "taskId") ? (
+                    <span className="mt-1 block break-all" style={{ color: theme.node.muted }}>
+                        任务 ID：{String(objectField(objectField(detail, "result"), "taskId"))}
+                    </span>
+                ) : null}
            </div>
            {state.label === "已完成" ? <span className="sr-only">已完成</span> : null}
        </div>
    );
+}

+/**
+ * Agent 的操作记录（连续的 `role === "tool"` 消息）折成一行：报最新一步，点击展开完整记录。
+ *
+ * 语义要点：折叠态整段只有这一行可见，所以**类别徽标必须在折叠行上**（清单 / 查看画面 /
+ * 修改画布），否则默认状态看不出刚才到底是读了清单还是真看了画面。
+ *
+ * 展开状态用「用户覆盖 + 失败时默认展开」两段决定 —— 失败的操作不能被折进一行里看不见，
+ * 但用户手动收起之后就不再自动弹开（跑动中新步骤只会追加，不会重置状态）。
+ * `live` 由面板按"这一段是不是对话末尾且在跑"给出：只有还在推进时才流光。
+ */
+export function AgentOperationFeed({
+    items,
+    theme,
+    references = [],
+    onFocusNode,
+    live = false,
+}: {
+    items: CloudAgentChatMessage[];
+    theme: (typeof canvasThemes)[keyof typeof canvasThemes];
+    references?: CanvasResourceReference[];
+    onFocusNode?: (nodeId: string) => void;
+    live?: boolean;
+}) {
+    const [userExpanded, setUserExpanded] = useState<boolean | null>(null);
+    const reducedMotion = useReducedMotion();
+    const listId = useId();
+    const latest = items[items.length - 1];
+    if (!latest) return null;
+    const category = agentOperationCategory(latest);
+    const categoryLabel = agentToolCategoryLabel(agentToolName(latest.title || "工具执行", latest.detail), category);
+    const label = agentOperationSegmentLabel(items);
+    const failed = items.some((item) => agentOperationFailed(item));
+    const expanded = userExpanded ?? failed;
+    const shimmering = live && !failed;
+    return (
+        <div className={`agent-operation-feed${expanded ? " is-open" : ""}${failed ? " is-failed" : ""}${shimmering ? " is-live" : ""}`} data-agent-operation-feed data-agent-category={category}>
+            <button
+                type="button"
+                className="agent-operation-toggle"
+                aria-expanded={expanded}
+                aria-controls={listId}
+                // aria-label 会顶掉可见文字，所以类别与最新一步必须自己报出来。
+                aria-label={`${expanded ? "收起" : "展开"} ${items.length} 步${categoryLabel}记录，最新一步：${label}`}
+                onClick={() => setUserExpanded(!expanded)}
+            >
+                <span className="agent-tool-category">
+                    {agentToolCategoryIcon(category)}
+                    <span>{categoryLabel}</span>
+                </span>
+                {/* 换步时旧文案高模糊淡出、新文案从下方上浮（先快后慢的非线性曲线）。 */}
+                <AnimatePresence mode="wait" initial={false}>
+                    <motion.span
+                        key={label}
+                        className="agent-operation-latest"
+                        initial={reducedMotion ? { opacity: 0 } : { opacity: 0, y: 12, filter: "blur(6px)" }}
+                        animate={reducedMotion ? { opacity: 1 } : { opacity: 1, y: 0, filter: "blur(0px)" }}
+                        exit={reducedMotion ? { opacity: 0 } : { opacity: 0, y: -8, filter: "blur(8px)" }}
+                        transition={reducedMotion ? { duration: 0 } : { duration: 0.34, ease: [0.16, 1, 0.3, 1] }}
+                    >
+                        {label}
+                    </motion.span>
+                </AnimatePresence>
+                {items.length > 1 ? <span className="agent-operation-count">{items.length} 步</span> : null}
+                <ChevronDown className="agent-operation-chevron" aria-hidden="true" />
+            </button>
+            {expanded ? (
+                <div id={listId} className="agent-operation-list">
+                    {items.map((item) => (
+                        <AgentChatMessage key={item.id} item={item} theme={theme} references={references} onFocusNode={onFocusNode} />
+                    ))}
+                </div>
+            ) : null}
+        </div>
+    );
 }

 export function AgentWorkingMessage({ theme, label = WORKING_TEXT }: { theme: (typeof canvasThemes)[keyof typeof canvasThemes]; label?: string }) {
@@ -1126,12 +1228,17 @@ export function AgentPanelTabs<T extends string>({
    );
 }

-function AgentTimelineMarker({ theme, tone, icon }: { theme: (typeof canvasThemes)[keyof typeof canvasThemes]; tone: "agent" | "muted" | "tool" | "approval" | "error"; icon?: ReactNode }) {
-    const color = tone === "error" ? "#ef4444" : tone === "approval" ? "#f97316" : tone === "tool" ? "#4f7cff" : tone === "agent" ? theme.accent.primary : theme.node.muted;
+/**
+ * 时间线标记：图标由调用方给（系统行给 Sparkles、错误与审批给 CircleAlert…），不再有默认
+ * 的模型品牌 glyph —— 那个圆环标志会被读成"这条是模型/OpenAI 出品"，与它实际表达的
+ * "这是谁的一行"无关。
+ */
+function AgentTimelineMarker({ theme, tone, icon }: { theme: (typeof canvasThemes)[keyof typeof canvasThemes]; tone: "agent" | "muted" | "approval" | "error"; icon: ReactNode }) {
+    const color = tone === "error" ? "#ef4444" : tone === "approval" ? "#f97316" : tone === "agent" ? theme.accent.primary : theme.node.muted;
    return (
-        <span className="relative flex w-6 shrink-0 self-stretch justify-center" aria-hidden="true">
+        <span className="agent-timeline-marker relative" aria-hidden="true">
            <span className="relative grid size-6 place-items-center rounded-full" style={{ background: tone === "agent" ? theme.accent.primarySoft : theme.node.fill, color }}>
-                {icon || <span className="size-3 opacity-90" style={{ background: color, WebkitMask: "url(/icons/openai.svg) center / contain no-repeat", mask: "url(/icons/openai.svg) center / contain no-repeat" }} />}
+                {icon}
            </span>
        </span>
    );
@@ -1189,10 +1296,6 @@ function toolCardState(title: string, text: string, detail?: unknown) {
    return { label: "处理中", color: "#64748b", softBg: "rgba(100,116,139,.04)", icon: <CircleDot className="size-4" />, isError: false };
 }

-function agentToolName(title: string, detail?: unknown) {
-    return String(objectField(detail, "toolName") || objectField(detail, "name") || objectField(detail, "tool") || title);
-}
-
 function objectField(value: unknown, key: string) {
    return value && typeof value === "object" ? (value as Record<string, unknown>)[key] : undefined;
 }
--- a/web/src/components/canvas/canvas-cloud-agent-panel.tsx
+++ b/web/src/components/canvas/canvas-cloud-agent-panel.tsx
@@ -19,6 +19,7 @@ import { canvasThemes, type CanvasTheme } from "@/lib/canvas-theme";
 import { agentErrorPresentation, agentSubmissionErrorTitle } from "@/lib/canvas/agent-error-presentation";
 import { cancelAgentRun, getAgentCapabilities, getAgentProfile, getAgentRun, createAgentRun, decideAgentApproval, sendAgentInterjection, sendAgentMessage, subscribeAgentEvents, updateAgentProfile, type AgentEvent, type AgentPermissionMode, type AgentProfileScope, type AgentProfileView, type AgentReasoningMode, type AgentRun } from "@/services/api/agent";
 import { agentApprovalPresentation } from "@/lib/canvas/agent-approval-presentation";
+import { buildAgentFeedSegments } from "@/lib/canvas/agent-operation-feed";
 import { agentApprovalMatchesSettings, agentImageApproval } from "@/lib/canvas/agent-media-approval";
 import type { AgentMediaSettings } from "@/services/api/agent";
 import { CanvasAgentImageApprovalSettings } from "./canvas-agent-image-approval-settings";
@@ -32,7 +33,7 @@ import { getActiveUserScope } from "@/lib/user-scope";
 import { applyAgentCanvasPatches, refreshCanvasAfterAgent, saveRemoteUserDataNow } from "@/services/user-data-sync";
 import { createAgentCanvasSync } from "@/services/agent-canvas-sync";
 import { buildSkillMentionReferences, resolveSkillMentions } from "@/services/skill-runtime";
-import { AgentChatComposer, AgentChatMessage, AgentPlanBar, AgentQuestionBar, AgentSceneCapsules, AgentWorkingMessage, AGENT_SCENE_DEFS, type AgentSceneBucket, type CloudAgentChatMessage, type CloudAgentPlanItem } from "./canvas-cloud-agent-chat-ui";
+import { AGENT_SCENE_DEFS, AgentChatComposer, AgentChatMessage, AgentOperationFeed, AgentPlanBar, AgentQuestionBar, AgentSceneCapsules, AgentWorkingMessage, type AgentSceneBucket, type CloudAgentChatMessage, type CloudAgentPlanItem } from "./canvas-cloud-agent-chat-ui";
 import { CanvasAgentSkillLibraryModal } from "./canvas-agent-skill-library-modal";
 import { CanvasCloudAgentSettings, agentPermissionLabel, agentPermissionMenuItems, agentPermissionVisual, type AgentContextKey } from "./canvas-cloud-agent-settings";
 import { useAgentPanelLayout } from "./use-agent-panel-layout";
@@ -1243,6 +1244,9 @@ function AgentConversation({
    const contentRef = useRef<HTMLDivElement>(null);
    const followRef = useRef(true);
    const lastUserId = messages.findLast((item) => item.role === "user")?.id;
+    // 连续的工具记录折成一行（只报最新一步），计划/提问载体由输入区上方的固定条渲染。
+    const segments = useMemo(() => buildAgentFeedSegments(messages), [messages]);
+    const lastMessage = messages.at(-1);

    // 自己发送时恢复跟随；阅读旧消息时不让流式输出抢走滚动位置。
    useLayoutEffect(() => {
@@ -1271,9 +1275,14 @@ function AgentConversation({
        }}>
            {!messages.length ? <AgentWelcome appearance={appearance} nodeCount={nodeCount} onChooseSkill={onChooseSkill} onDraftPrompt={onDraftPrompt} /> : null}
            <div ref={contentRef} className="agent-conversation-messages">
-                {messages.map((item) => (
-                    <AgentChatMessage key={item.id} item={item} theme={theme} references={references} onFocusNode={onFocusNode} isStreaming={busy && !approval && item.streaming === true && item === messages.at(-1)} />
-                ))}
+                {segments.map((segment, index) =>
+                    segment.kind === "operations" ? (
+                        // 只有"对话末尾那一段 + 还在跑"才流光：历史段落留在静态态，任务完成即停。
+                        <AgentOperationFeed key={segment.key} items={segment.items} theme={theme} references={references} onFocusNode={onFocusNode} live={busy && index === segments.length - 1} />
+                    ) : (
+                        <AgentChatMessage key={segment.key} item={segment.item} theme={theme} references={references} onFocusNode={onFocusNode} isStreaming={busy && !approval && segment.item.streaming === true && segment.item === lastMessage} />
+                    ),
+                )}
                {approval ? <ApprovalCard key={approval.approvalId} approval={approval} theme={theme} submitting={approvalSubmitting} onFocusNode={onFocusNode} onReasonChange={onApprovalReasonChange} onApprove={onApprove} onReject={onReject} /> : null}
                {busy && !approval ? (
                    <AgentWorkingMessage theme={theme} label="正在处理当前画布" />
--- a/web/src/components/canvas/canvas-cloud-agent.css
+++ b/web/src/components/canvas/canvas-cloud-agent.css
@@ -388,6 +388,21 @@
    scroll-padding-block: var(--space-5);
 }

+/*
+ * 过程内容的公共轴：正文的左边缘就是这条线，过程标记（星标、工具左轨、时间线标记）
+ * 一律挂在轴上居中。轴由星标几何推导，不是拍出来的数：星标中心 = 思考缩进 + 摘要内边距
+ * + 图标半宽；工具左轨用 -0.5px 让 1px 的线居中在轴上。改任一项，三处会一起跟着走。
+ */
+.agent-conversation-messages {
+    --agent-axis: 22px;
+    --agent-thought-icon: 16px;
+    --agent-thought-gap: 9px;
+    --agent-summary-inset: 4px;
+    --agent-timeline-marker: 24px;
+    --agent-activity-inset: 8px;
+    padding-left: var(--agent-axis);
+}
+
 .agent-conversation-messages > * + * {
    margin-top: var(--space-4);
 }
@@ -669,6 +684,11 @@
    .agent-context-panel-foot { display: grid; }

    .agent-welcome-actions button { padding-inline: var(--space-2); }
+    /* 窄面板把公共轴收细，星标与左轨仍压在同一条线上，不吃正文宽度。 */
+    .agent-conversation-messages {
+        --agent-axis: 16px;
+        --agent-activity-inset: var(--space-1);
+    }
 }

@media (max-width: 639px) {
@@ -838,6 +858,14 @@
    --agent-tool-accent: color-mix(in srgb, var(--foreground) 62%, transparent);
 }

+/*
+ * 看图（canvas_inspect_image）：唯一会把图片字节真交给模型的档位，用主题强调色把它与
+ * "读清单 / 写画布"分开。取色走面板注入的 --agent-accent，不写字面值。
+ */
+.agent-tool-row--vision {
+    --agent-tool-accent: var(--agent-accent, var(--foreground));
+}
+
 .agent-tool-header {
    display: flex;
    min-width: 0;
@@ -933,6 +961,155 @@
    .agent-tool-action-link { transition: none; }
 }

+/*
+ * 操作记录折叠行：一轮运行动辄十几条工具记录，逐条铺开会把正文挤出可视区。
+ * 默认只报最新一步，点击展开完整记录；失败时整行转红并默认展开（见 AgentOperationFeed）。
+ * 类别徽标复用工具卡的 chip（.agent-tool-category），所以这里要给出 accent 默认值。
+ */
+.agent-operation-feed {
+    --agent-tool-accent: color-mix(in srgb, var(--foreground) 62%, transparent);
+    /* 层级第二档：左轨与正文左边缘同轴（见 .agent-conversation-messages 的公共轴），
+       轨道把"一连串动作"拢成一条活动流，内容落在轨的右侧。 */
+    margin-left: -0.5px;
+    border-left: 1px solid color-mix(in srgb, var(--foreground) 12%, transparent);
+    padding-left: var(--agent-activity-inset, 8px);
+    min-width: 0;
+}
+
+/* 看图是唯一的"画面"档，给它主题强调色，和清单/写画布区分开（不写字面颜色）。 */
+.agent-operation-feed[data-agent-category="vision"] {
+    --agent-tool-accent: var(--agent-accent, var(--foreground));
+}
+
+.agent-operation-toggle {
+    display: flex;
+    min-width: 0;
+    max-width: 100%;
+    align-items: center;
+    gap: var(--space-2);
+    border: 0;
+    border-radius: 9px;
+    background: transparent;
+    padding: 4px var(--space-2) 4px var(--space-1);
+    color: color-mix(in srgb, var(--agent-ink, currentColor) 72%, transparent);
+    font-size: var(--fs-caption);
+    line-height: 18px;
+    text-align: left;
+    cursor: pointer;
+    transition:
+        background-color 140ms ease,
+        color 140ms ease;
+}
+
+.agent-operation-toggle:hover {
+    background: var(--agent-surface-soft, color-mix(in srgb, var(--foreground) 4%, transparent));
+    color: var(--agent-ink, var(--foreground));
+}
+
+.agent-operation-toggle:focus-visible {
+    outline: 2px solid var(--agent-focus-ring, var(--foreground));
+    outline-offset: 1px;
+}
+
+.agent-operation-latest {
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+/*
+ * 流光：把文字本身当渐变蒙版，让一道高光扫过。底色与高光都从 --agent-ink 派生——不能用
+ * currentColor，因为开启 background-clip 后 color 是 transparent，会自指成空。
+ * 动画只挂在 .is-live 上：面板按"末尾段 + 还在跑"下发，任务完成流光立即停。
+ */
+@supports ((-webkit-background-clip: text) or (background-clip: text)) {
+    .agent-operation-latest {
+        background-image: linear-gradient(
+            100deg,
+            color-mix(in srgb, var(--agent-operation-ink, var(--agent-ink, currentColor)) 74%, transparent) 0%,
+            color-mix(in srgb, var(--agent-operation-ink, var(--agent-ink, currentColor)) 74%, transparent) 42%,
+            var(--agent-operation-ink, var(--agent-ink, currentColor)) 50%,
+            color-mix(in srgb, var(--agent-operation-ink, var(--agent-ink, currentColor)) 74%, transparent) 58%,
+            color-mix(in srgb, var(--agent-operation-ink, var(--agent-ink, currentColor)) 74%, transparent) 100%
+        );
+        background-position: 100% 0;
+        background-size: 240% 100%;
+        -webkit-background-clip: text;
+        background-clip: text;
+        color: transparent;
+    }
+
+    .agent-operation-feed.is-live .agent-operation-latest {
+        animation: agent-operation-sheen 3.6s linear infinite;
+    }
+}
+
+/* 失败/被拒的一步：折叠行跟工具卡同一套红，不用主题色盖掉语义。 */
+.agent-operation-feed.is-failed .agent-operation-latest {
+    --agent-operation-ink: #dc2626;
+}
+
+.agent-operation-count {
+    flex: 0 0 auto;
+    border-radius: 999px;
+    background: var(--agent-surface-soft, color-mix(in srgb, var(--foreground) 6%, transparent));
+    padding: 1px var(--space-2);
+    color: color-mix(in srgb, var(--agent-ink, currentColor) 62%, transparent);
+    font-size: var(--fs-tiny);
+    line-height: 16px;
+    font-variant-numeric: tabular-nums;
+}
+
+.agent-operation-chevron {
+    width: 14px;
+    height: 14px;
+    flex: 0 0 auto;
+    opacity: 0.55;
+    transition: transform 180ms ease;
+}
+
+.agent-operation-feed.is-open .agent-operation-chevron {
+    transform: rotate(180deg);
+}
+
+.agent-operation-list {
+    margin-top: 2px;
+}
+
+.agent-operation-list > * + * {
+    margin-top: var(--space-1);
+}
+
+/*
+ * 展开后的每一步不再重复状态图标（勾/叉）：状态与错误已经由卡片文字与折叠行颜色表达，
+ * 一列彩色勾只会把"记录"读成"成绩单"。失败那一步的文字仍是红的（AgentToolCard 内联色）。
+ */
+.agent-operation-list .agent-tool-status {
+    display: none;
+}
+
+@keyframes agent-operation-sheen {
+    from {
+        background-position: 130% 0;
+    }
+    to {
+        background-position: -30% 0;
+    }
+}
+
+@media (prefers-reduced-motion: reduce) {
+    /* 与 .is-live 规则同特异性，否则关不掉动画。 */
+    .agent-operation-feed.is-live .agent-operation-latest {
+        animation: none;
+        background-position: 0% 0;
+    }
+    .agent-operation-toggle,
+    .agent-operation-chevron {
+        transition: none;
+    }
+}
+
 .agent-composer-prompt-scroll {
    min-height: 60px;
    max-height: min(240px, 34vh);
@@ -1143,9 +1320,35 @@
 * 比工具日志更安静、比正文更有层次。使用当前画布主题的 accent，避免
 * 固定紫色的 AI 默认样式，同时把实时状态、摘要内容和展开动作分开。
 */
+/*
+ * 信息层级：正文 / 工具调用 / 模型思考 三段只靠「位置 + 字号 + 对比度」分层，
+ * 不靠圆底图标或品牌 glyph。
+ *
+ *   正文（结论）   从公共轴开始、14px、满对比 —— 主角
+ *   工具调用       左轨压在公共轴上（活动流），内容在轨右侧，12px、次对比
+ *   模型思考       星标居中在公共轴上，12px/11px、最淡 —— 过程里的旁白
+ */
 .agent-reasoning {
    min-width: 0;
-    color: color-mix(in srgb, var(--foreground) 64%, transparent);
+    /* 星标挂进旁注沟槽：中心落在公共轴上（正文左边缘）。 */
+    margin-left: calc(-1 * (var(--agent-thought-icon, 16px) / 2 + var(--agent-summary-inset, 4px)));
+    color: color-mix(in srgb, var(--foreground) 58%, transparent);
+}
+
+/*
+ * 时间线标记列（系统行 / 错误行 / 审批卡 / 上下文整理）：宽度与挂点都走公共轴 token。
+ */
+.agent-timeline-marker {
+    display: flex;
+    width: var(--agent-timeline-marker, 24px);
+    flex: 0 0 var(--agent-timeline-marker, 24px);
+    align-self: stretch;
+    justify-content: center;
+}
+
+/* 只有对话流里的标记向左挂半格：中心与星标、工具左轨共用同一条公共轴。 */
+.agent-conversation-messages .agent-timeline-marker {
+    margin-left: calc(-1 * (var(--agent-timeline-marker, 24px) / 2));
 }

 .agent-reasoning-card {
@@ -1166,11 +1369,12 @@
    display: flex;
    min-width: 0;
    align-items: center;
-    gap: 9px;
+    gap: var(--agent-thought-gap, 9px);
    cursor: pointer;
    list-style: none;
-    padding: 6px 4px;
-    color: color-mix(in srgb, var(--foreground) 72%, transparent);
+    /* 内边距参与公共轴推导：改它，左轨会跟着一起挪（见 .agent-conversation-messages）。 */
+    padding: 6px var(--agent-summary-inset, 4px);
+    color: color-mix(in srgb, var(--foreground) 66%, transparent);
    user-select: none;
 }

@@ -1182,16 +1386,17 @@
    background: color-mix(in srgb, var(--agent-reasoning-accent) 4%, transparent);
 }

+/* 只留那颗星：圆底是上一版的装饰，去掉后与时间线标记同一种"无底图标"语言。 */
 .agent-reasoning-icon {
    display: grid;
-    width: 25px;
-    height: 25px;
-    flex: 0 0 25px;
+    width: var(--agent-thought-icon, 16px);
+    height: var(--agent-thought-icon, 16px);
+    flex: 0 0 var(--agent-thought-icon, 16px);
    place-items: center;
    border: 0;
-    border-radius: 50%;
-    background: color-mix(in srgb, var(--agent-reasoning-accent) 10%, transparent);
-    color: var(--agent-reasoning-accent);
+    border-radius: 0;
+    background: transparent;
+    color: color-mix(in srgb, var(--agent-reasoning-accent) 82%, var(--foreground));
 }

 .agent-reasoning-copy {
@@ -1205,9 +1410,9 @@
 .agent-reasoning-title {
    min-width: 0;
    overflow: hidden;
-    color: color-mix(in srgb, var(--foreground) 78%, transparent);
+    color: color-mix(in srgb, var(--foreground) 72%, transparent);
    font-size: 12px;
-    font-weight: 650;
+    font-weight: 600;
    line-height: 17px;
    text-overflow: ellipsis;
    white-space: nowrap;
@@ -1216,7 +1421,7 @@
 .agent-reasoning-subtitle {
    min-width: 0;
    overflow: hidden;
-    color: color-mix(in srgb, var(--foreground) 43%, transparent);
+    color: color-mix(in srgb, var(--foreground) 38%, transparent);
    font-size: 11px;
    line-height: 16px;
    text-overflow: ellipsis;
@@ -1277,13 +1482,14 @@
    gap: 0;
    overflow: auto;
    border-top: 0;
-    padding: 4px 10px 10px 38px;
+    /* 与摘要的标题左对齐：摘要内边距 + 星标列 + 摘要 gap。 */
+    padding: 4px 10px 10px calc(var(--agent-summary-inset, 4px) + var(--agent-thought-icon, 16px) + var(--agent-thought-gap, 9px));
    scrollbar-gutter: stable;
 }

 .agent-reasoning-text {
    min-width: 0;
-    color: color-mix(in srgb, var(--foreground) 58%, transparent);
+    color: color-mix(in srgb, var(--foreground) 54%, transparent);
    font-size: 12px;
    line-height: 1.75;
    white-space: pre-wrap;
--- a/web/src/lib/canvas/agent-canvas-actions.ts
+++ b/web/src/lib/canvas/agent-canvas-actions.ts
@@ -46,6 +46,14 @@ export function agentCanvasActions(toolName: string, detail: unknown, references
        }
    } else if (toolName === "canvas_get_state" && !failed && Array.isArray(result.nodes)) {
        for (const value of result.nodes) { const node = agentRecord(value); add(node.id, node.title, node.type, "read"); }
+    } else if (toolName === "canvas_inspect_image" && !failed) {
+        // 看图回执：reuseObservation 是复用账本里的观察（没有再附图）、repeat 是读循环护栏
+        // （只回执文字）。两者都没有把画面送出去，所以不能报成"查看了…画面"。
+        if (result.reuseObservation === true) add(result.nodeId, result.title, "image", "reused");
+        else if (result.repeat !== true) {
+            add(result.nodeId, result.title, "image", "viewed");
+            if (Array.isArray(result.batchImages)) for (const value of result.batchImages) { const image = agentRecord(value); add(image.nodeId, image.title, "image", "viewed"); }
+        }
    } else if (toolName === "canvas_apply_ops" && !failed && Array.isArray(args.ops)) {
        for (const value of args.ops) {
            const op = agentRecord(value);
@@ -64,7 +72,8 @@ export function agentCanvasActionLabel(action: AgentCanvasAction) {
        const targetKind = ({ image: "图片", video: "视频", audio: "音频", text: "文本", markdown: "Markdown", script: "分镜" } as Record<string, string>)[action.targetNodeType || ""] || "";
        return `建立引用：${kind}节点《${action.title}》 → ${targetKind}节点《${action.targetTitle}》`;
    }
-    const verb = ({ created: "创建了", updated: "更新了", referenced: "引用了", read: "读取了", generating: "已提交生成：", generated: "已生成", failed: "生成未完成：" } as Record<string, string>)[action.action] || "定位";
+    // read 的动词必须是"存在式"：canvas_get_state 只读到清单，说成"读取了图片节点"会被读成看过画面。
+    const verb = ({ created: "创建了", updated: "更新了", referenced: "引用了", read: "画布上有", viewed: "查看了", reused: "复用观察：", generating: "已提交生成：", generated: "已生成", failed: "生成未完成：" } as Record<string, string>)[action.action] || "定位";
    const fieldText = action.fields?.length ? `（修改：${action.fields.join("、")}）` : "";
    const titleText = action.resultTitle ? `，名称改为《${action.resultTitle}》` : "";
    return `${verb}${kind}节点《${action.title}》${fieldText}${titleText}`;
--- a/web/src/lib/canvas/agent-operation-feed.ts
+++ b/web/src/lib/canvas/agent-operation-feed.ts
@@ -0,0 +1,115 @@
+import { agentToolCategory, agentToolName, agentToolRetryLabel, agentToolStatus, friendlyAgentToolSummary } from "./agent-tool-presentation";
+import { agentToolRetry } from "./agent-tool-retry";
+
+/**
+ * Agent 的"操作信息"（工具调用记录）在消息流里是一条条 `role === "tool"` 的消息。一轮运行动辄
+ * 十几步，逐条铺开会把正文挤出可视区，所以界面上把它们折成一行：默认只报最新一步，点击展开
+ * 完整记录（组件见 `canvas-cloud-agent-chat-ui` 的 `AgentOperationFeed`）。
+ *
+ * 这里只做纯切分与文案，不引入 React 或组件类型：调用方把 `CloudAgentChatMessage[]` 传进来，
+ * 结构上满足 `AgentFeedRecord` 即可。
+ */
+
+export type AgentFeedRecord = {
+    id: string;
+    role: string;
+    title?: string;
+    text: string;
+    detail?: unknown;
+    planItems?: readonly unknown[];
+    question?: unknown;
+};
+
+export type AgentFeedSegment<T> = { kind: "operations"; key: string; items: T[] } | { kind: "message"; key: string; item: T };
+
+function record(value: unknown): Record<string, unknown> {
+    return value && typeof value === "object" && !Array.isArray(value) ? (value as Record<string, unknown>) : {};
+}
+
+/**
+ * 纯载体消息：计划清单（`plan_updated`）与提问（`user_question`）各带一条没有正文的消息，
+ * 内容分别由输入区上方的"本轮待办"条与提问条渲染。它们既不是操作记录，也没有可展示的正文：
+ * 实测直接渲染会得到"操作画布 / 操作已完成 / 处理中"这样的空卡片。
+ */
+export function isAgentCarrierRecord(item: AgentFeedRecord): boolean {
+    if (item.role === "user" || item.text || item.title) return false;
+    return Boolean(item.planItems?.length) || Boolean(item.question);
+}
+
+/** 等用户确认的工具调用（审批卡）必须留在消息流里，不能被折进"操作记录"里藏起来。 */
+export function isAgentOperationRecord(item: AgentFeedRecord): boolean {
+    return item.role === "tool" && !isAgentCarrierRecord(item) && record(item.detail).status !== "pending";
+}
+
+/** 折叠行上报的那一步：最新一条操作记录的友好摘要（等待执行时用"准备…"口径）。 */
+export function agentOperationLabel(item: AgentFeedRecord): string {
+    const name = agentToolName(item.title || "工具执行", item.detail);
+    const retry = agentToolRetry(item.detail);
+    // 自动纠正分组在卡片里只显示纠正记录，折叠行跟上同一口径，否则会报一个"已完成"的假象。
+    if (retry) return `${agentToolRetryLabel(retry)} · ${retry.attempt}/${retry.maxAttempts} 次尝试`;
+    return friendlyAgentToolSummary(name, item.text, item.detail, agentToolStatus(name, item.text, item.detail) === "pending");
+}
+
+/** 失败/被拒的操作默认展开：错误不该被折进一行里看不见。 */
+export function agentOperationFailed(item: AgentFeedRecord): boolean {
+    const status = agentToolStatus(agentToolName(item.title || "工具执行", item.detail), item.text, item.detail);
+    return status === "failed" || status === "rejected";
+}
+
+/** 一条操作记录的类别（折叠行徽标用它）：按工具契约判定，不看文案。 */
+export function agentOperationCategory(item: AgentFeedRecord) {
+    return agentToolCategory(agentToolName(item.title || "工具执行", item.detail), item.detail);
+}
+
+/**
+ * 折叠段上报的一句聚合文案。单条语义仍归 `agentOperationLabel`（卡片与折叠行共用，不许改），
+ * 这里只回答"这一段到底看没看画面"：
+ *
+ * 看图片段报「查看了 N 张画面 · 最新《…》」，N 按**真的送出画面的图片**去重计数（复用账本里的
+ * 观察与读循环护栏都没有附图，不计数）；其余段沿用最新一步自己的摘要。
+ */
+export function agentOperationSegmentLabel(items: readonly AgentFeedRecord[]): string {
+    const latest = items[items.length - 1];
+    if (!latest) return "";
+    if (agentOperationCategory(latest) !== "vision") return agentOperationLabel(latest);
+    const viewed = new Set<string>();
+    let latestTitle = "";
+    for (const item of items) {
+        if (agentOperationCategory(item) !== "vision") continue;
+        const result = record(record(item.detail).result);
+        if (result.reuseObservation === true || result.repeat === true) continue;
+        if (typeof result.nodeId === "string" && result.nodeId) {
+            viewed.add(result.nodeId);
+            if (typeof result.title === "string" && result.title) latestTitle = result.title;
+        }
+        for (const value of Array.isArray(result.batchImages) ? result.batchImages : []) {
+            const image = record(value);
+            if (typeof image.nodeId !== "string" || !image.nodeId) continue;
+            viewed.add(image.nodeId);
+            if (typeof image.title === "string" && image.title) latestTitle = image.title;
+        }
+    }
+    if (!viewed.size) return agentOperationLabel(latest);
+    return `查看了 ${viewed.size} 张画面${latestTitle ? ` · 最新《${latestTitle}》` : ""}`;
+}
+
+/**
+ * 把消息流切成「操作段」与「单条消息」：连续的非审批工具记录合成一段，其余消息各自成段。
+ *
+ * 段 key 取段内第一条消息的 id：运行中后续步骤是**追加**进同一段的，key 保持稳定，
+ * 展开状态与滚动位置不会因为新步骤到达而被重置。
+ */
+export function buildAgentFeedSegments<T extends AgentFeedRecord>(messages: readonly T[]): AgentFeedSegment<T>[] {
+    const segments: AgentFeedSegment<T>[] = [];
+    for (const item of messages) {
+        if (isAgentCarrierRecord(item)) continue;
+        if (isAgentOperationRecord(item)) {
+            const last = segments[segments.length - 1];
+            if (last?.kind === "operations") last.items.push(item);
+            else segments.push({ kind: "operations", key: item.id, items: [item] });
+            continue;
+        }
+        segments.push({ kind: "message", key: item.id, item });
+    }
+    return segments;
+}
--- a/web/src/lib/canvas/agent-tool-presentation.ts
+++ b/web/src/lib/canvas/agent-tool-presentation.ts
@@ -1,15 +1,86 @@
-import { agentToolRetry } from "./agent-tool-retry";
+import { agentToolRetry, type AgentToolRetry } from "./agent-tool-retry";

-export const AGENT_TOOL_METADATA: Record<string, { summary: string | ((context: { pending: boolean; detail?: unknown }) => string); failureMessage: string }> = {
+/**
+ * 前端工具清单，口径与后端 `CloudAgentSupportedToolNames()`
+ * （`backend/internal/app/cloud_agent_tools.go`，从 `compileCloudAgentTools` 派生）逐一对齐。
+ *
+ * 作用只有一个：让"哪些工具该有类别与文案"这件事可断言。上游合并后工具表若变了，
+ * 这份清单与下面的类别集合要一起复核 —— 未登记的工具一律走"其他操作"的中性兜底，
+ * 绝不能落进"修改画布"（那会把一次读取读成写操作）。
+ */
+export const AGENT_TOOL_NAMES = [
+    "agent_profile_read",
+    "ask_user",
+    "canvas_apply_ops",
+    "canvas_arrange_nodes",
+    "canvas_create_storyboard",
+    "canvas_edit_batch_table",
+    "canvas_edit_storyboard",
+    "canvas_get_state",
+    "canvas_inspect_image",
+    "canvas_list_node_types",
+    "canvas_read_batch_table",
+    "canvas_read_storyboard",
+    "finish_run",
+    "generate_media",
+    "image_annotation_render",
+    "image_layer_split",
+    "image_text_detect",
+    "model_list",
+    "plan_update",
+    "recall_lessons",
+    "remember_lesson",
+    "skill_read_file",
+    "skill_search",
+    "task_get",
+] as const;
+
+export type AgentToolSummaryContext = { pending: boolean; detail?: unknown; text: string };
+
+export type AgentToolMetadataEntry = {
+    summary: string | ((context: AgentToolSummaryContext) => string);
+    /** 失败文案也支持函数形态：识图要按回执/错误细分（额度、读循环、批量上限、能力缺失）。 */
+    failureMessage: string | ((context: AgentToolSummaryContext) => string);
+};
+
+export const AGENT_TOOL_METADATA: Record<string, AgentToolMetadataEntry> = {
    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" },
+    // 清单 ≠ 画面：这个工具只读到节点存在/类型/标题/规模。说成"已读取当前画布"会被读成看过图。
+    canvas_get_state: { summary: "已读取画布清单（未查看画面）", failureMessage: "获取画布清单失败" },
    task_get: { summary: "已查询任务状态", failureMessage: "查询任务状态失败" },
    canvas_apply_ops: { summary: ({ pending }) => (pending ? "准备更新画布内容" : "画布内容已保存至服务端"), failureMessage: "更新画布内容失败" },
    model_list: { summary: "已获取可用模型", failureMessage: "获取可用模型失败" },
    generate_media: { summary: ({ pending, detail }) => (pending ? "准备创建媒体节点并生成" : field(detail, "eventType") === "tool_completed" ? "生成结果已回写画布节点" : "媒体节点已创建，生成任务已提交"), failureMessage: "媒体生成未完成" },
+    // 看图：只有这个工具会把图片字节真的交给模型，所以只有它可以说"画面/看图"。
+    // 回执字段来源：`backend/internal/app/cloud_agent_runtime.go`（payload["result"] = 回执）。
+    canvas_inspect_image: {
+        summary: ({ pending, detail }) => {
+            const result = record(field(detail, "result"));
+            const title = typeof result.title === "string" && result.title ? `《${result.title}》` : "该图片";
+            if (result.reuseObservation === true) return "复用已记录的观察，未重复看图";
+            const batch = Array.isArray(result.batchImages) ? result.batchImages : [];
+            if (result.repeat === true && batch.length === 0) return "本轮重复查看，只回执文字、未附图";
+            if (batch.length > 1) return `已附上 ${batch.length} 张画面`;
+            return pending ? `准备查看画面${title}` : `已附上${title}的画面`;
+        },
+        failureMessage: ({ text, detail }) => agentVisionFailureSummary(text, detail),
+    },
+    // 收尾闸门（工作项 A）：被拦下时卡片要说清"这次没结束"，而不是千篇一律的"操作已完成"。
+    finish_run: {
+        summary: ({ pending, detail }) => (pending ? "准备收尾并给出最终答复" : field(field(detail, "result"), "completionBlocked") === true ? "收尾被拦下，继续处理未完成项" : "已收尾并给出最终答复"),
+        failureMessage: "收尾未完成",
+    },
 };

-export type AgentToolCategory = "read" | "create" | "operate";
+/** 画布上"读到清单"的只读工具：无像素，chip 必须是存在式。 */
+const AGENT_CANVAS_READ_TOOLS = new Set(["canvas_get_state", "canvas_list_node_types", "canvas_read_storyboard", "canvas_read_batch_table"]);
+/** 非画布信息的只读工具（模型、任务、技能、偏好）。`skills_load` 是历史事件名，保留兼容。 */
+const AGENT_INFO_READ_TOOLS = new Set(["model_list", "task_get", "skill_search", "skill_read_file", "skills_load", "agent_profile_read"]);
+const AGENT_VISION_TOOLS = new Set(["canvas_inspect_image"]);
+const AGENT_CREATE_TOOLS = new Set(["generate_media", "canvas_create_storyboard", "image_annotation_render"]);
+const AGENT_OPERATE_TOOLS = new Set(["canvas_apply_ops", "canvas_arrange_nodes", "canvas_edit_storyboard", "canvas_edit_batch_table", "image_layer_split", "image_text_detect"]);
+
+export type AgentToolCategory = "read" | "vision" | "create" | "operate" | "other";

 function record(value: unknown): Record<string, unknown> {
    return value && typeof value === "object" && !Array.isArray(value) ? (value as Record<string, unknown>) : {};
@@ -30,23 +101,30 @@ function toolArguments(detail?: unknown) {
 * the same check-mark row. This is intentionally based on the tool contract,
 * not on translated copy, so the visual grouping remains stable as messages
 * change or get localized.
+ *
+ * 未登记的工具落 `other`（"其他操作"）：兜底不能让任何工具看起来像在写画布。
 */
 export function agentToolCategory(toolName: string, detail?: unknown): AgentToolCategory {
-    if (["canvas_get_state", "canvas_list_node_types", "model_list", "task_get", "skills_load", "skill_read_file"].includes(toolName)) return "read";
-    if (toolName === "generate_media") return "create";
+    if (AGENT_VISION_TOOLS.has(toolName)) return "vision";
+    if (AGENT_CANVAS_READ_TOOLS.has(toolName) || AGENT_INFO_READ_TOOLS.has(toolName)) return "read";
+    if (AGENT_CREATE_TOOLS.has(toolName)) return "create";
    if (toolName === "canvas_apply_ops") {
        const actions = record(detail).actions;
        if (Array.isArray(actions) && actions.some((item) => record(item).action === "created" || record(item).action === "generating")) return "create";
        const ops = toolArguments(detail).ops;
        if (Array.isArray(ops) && ops.some((item) => record(item).type === "add_node")) return "create";
+        return "operate";
    }
-    return "operate";
+    if (AGENT_OPERATE_TOOLS.has(toolName)) return "operate";
+    return "other";
 }

 export function agentToolCategoryLabel(toolName: string, category: AgentToolCategory): string {
-    if (category === "read") return toolName === "canvas_get_state" ? "读取节点" : "读取信息";
+    if (category === "vision") return "查看画面";
+    if (category === "read") return AGENT_CANVAS_READ_TOOLS.has(toolName) ? "读取清单" : "读取信息";
    if (category === "create") return "创建节点";
-    return "操作画布";
+    if (category === "operate") return "修改画布";
+    return "其他操作";
 }

 type ToolStatus = "completed" | "failed" | "noop" | "rejected" | "pending" | "retrying";
@@ -88,9 +166,53 @@ export function friendlyAgentToolSummary(toolName: string, text: string, detail?
        return `${pending ? "准备读取参考资料" : "已读取参考资料"} · ${target}`;
    }
    const metadata = AGENT_TOOL_METADATA[toolName];
-    const summary = typeof metadata?.summary === "function" ? metadata.summary({ pending, detail }) : metadata?.summary;
-    const failure = metadata?.failureMessage;
-    return failed ? failure || "操作未完成" : summary || (pending ? "准备执行操作" : "操作已完成");
+    const context: AgentToolSummaryContext = { pending, detail, text };
+    const summary = typeof metadata?.summary === "function" ? metadata.summary(context) : metadata?.summary;
+    const failure = typeof metadata?.failureMessage === "function" ? metadata.failureMessage(context) : metadata?.failureMessage;
+    if (failed) return failure || "操作未完成";
+    if (summary) return summary;
+    // 未登记工具的中性兜底：点名工具，别让任何工具都读成"操作画布/已完成"（不变量 ③）。
+    const name = toolName || "工具";
+    return pending ? `准备执行 ${name}` : `已完成：${name}`;
+}
+
+const VISION_QUOTA_PATTERN = /已用\s*(\d+)\s*次、本轮额度\s*(\d+)\s*次/u;
+const VISION_BATCH_PATTERN = /本批已附\s*(\d+)\s*张、单次上限\s*(\d+)\s*张/u;
+
+/**
+ * 识图失败的细分文案。
+ *
+ * 这四条只给文案、不给结构化字段：额度那条在 `prepareCloudAgentImageInspection` 里带
+ * "已用 X 次、本轮额度 Y 次"，批量上限那条带"本批已附 X 张、单次上限 Y 张"，读循环走
+ * `cloudAgentReadLoopError`，能力缺失是 `BadAuthRequest("当前模型未声明图片输入能力")`。
+ * 所以这里按文案特征分类，拿到数字就把数字带上（不给数字时模型只能靠试探）。
+ */
+export function agentVisionFailureSummary(text: string, detail?: unknown): string {
+    const payload = record(detail);
+    const nested = record(payload.result);
+    const raw = [text, payload.error, nested.error, payload.message, nested.note].filter((value): value is string => typeof value === "string").join(" ");
+    const quota = VISION_QUOTA_PATTERN.exec(raw);
+    if (quota) return `本轮识图额度已用完（已用 ${quota[1]} / 额度 ${quota[2]}）`;
+    const batch = VISION_BATCH_PATTERN.exec(raw);
+    if (batch) return `本批图片数已达模型上限（已附 ${batch[1]} / 上限 ${batch[2]}），下一步继续`;
+    if (/重复读取|护栏/.test(raw)) return "同一张图同版本重复读取，已拦下";
+    if (/未声明图片输入能力|支持图片输入的渠道模型/.test(raw)) return "当前渠道模型未声明图片输入能力";
+    // 兜底也认后端的哨兵文案（"cloud agent image inspection budget exhausted"）：包一层时才有数字，
+    // 单独出现时只给到"额度已用完"，不能让用户看到一句英文原样。
+    if (/(识图|看图|image inspection budget)/i.test(raw) && /(额度|预算|budget)/i.test(raw)) return "本轮识图额度已用完";
+    return "查看画面未完成";
+}
+
+/** 工具事件的调用名：detail.toolName/name/tool 优先，退化到消息标题。 */
+export function agentToolName(title: string, detail?: unknown): string {
+    return String(field(detail, "toolName") || field(detail, "name") || field(detail, "tool") || title);
+}
+
+/** 自动纠正分组的固定文案（卡片与折叠行共用，避免两处各写一套）。 */
+export function agentToolRetryLabel(retry: AgentToolRetry): string {
+    if (retry.status === "recovered") return "自动纠正后已恢复";
+    if (retry.status === "exhausted") return "自动纠正未完成";
+    return "自动纠正记录";
 }

 /**