feat(web): 用小队子页面展示思考与工具过程

气泡只聚合过程摘要并链到 hash 子页面；成员编制来自只读 squad 端点，思考与工具默认折叠。
2026-09-28 10:30:53 +00:00
parent 265616e997
commit 3d6dcc3ae5
30 changed files with 1003 additions and 8 deletions
@@ -232,6 +232,7 @@ func (s *Server) Routes() http.Handler {
 	mux.HandleFunc("POST /api/v1/tasks/runs", s.handleCreateTaskRun)
 	mux.HandleFunc("GET /api/v1/tasks/runs/{run_id}", s.handleGetTaskRun)
 	mux.HandleFunc("GET /api/v1/tasks/runs/{run_id}/events", s.handleTaskRunEvents)
+	mux.HandleFunc("GET /api/v1/tasks/runs/{run_id}/squad", s.handleGetTaskRunSquad)
 	mux.HandleFunc("POST /api/v1/tasks/runs/{run_id}/cancel", s.handleCancelTaskRun)
 	mux.HandleFunc("POST /api/v1/tasks/runs/{run_id}/resume", s.handleResumeTaskRun)
 	mux.HandleFunc("POST /api/v1/admin/"+workspace.WorkspacesDirName+"/reconcile", s.handleReconcileWorkspace)
@@ -630,6 +630,48 @@ func (s *Server) handleGetTaskRun(w http.ResponseWriter, r *http.Request) {
 	writeJSONResponse(w, http.StatusOK, s.buildTaskRunResponse(rec))
 }

+// handleGetTaskRunSquad 只读投影工作区 squad.json，供小队过程子页面左栏。
+func (s *Server) handleGetTaskRunSquad(w http.ResponseWriter, r *http.Request) {
+	user, ok := s.requirePrincipal(w, r)
+	if !ok {
+		return
+	}
+	runID := r.PathValue("run_id")
+	if runID == "" {
+		writeSafeError(w, r, http.StatusBadRequest, "run_id required")
+		return
+	}
+	if !s.assertTaskRunOwnedByUser(w, r.Context(), runID, user) {
+		return
+	}
+	rec, err := s.taskRuns().GetRun(runID)
+	if err != nil {
+		writeDomainError(w, r, http.StatusNotFound, err)
+		return
+	}
+	if rec == nil || strings.TrimSpace(rec.WorkspaceID) == "" || s.resolver() == nil {
+		writeSafeError(w, r, http.StatusNotFound, "workspace not found")
+		return
+	}
+	dir, err := s.resolver().ResolveStoredWorkDir(rec.WorkspaceID)
+	if err != nil {
+		writeSafeError(w, r, http.StatusNotFound, "workspace not found")
+		return
+	}
+	proj, err := squad.ReadSquadProjection(dir)
+	if err != nil {
+		writeSafeError(w, r, http.StatusNotFound, "squad not found")
+		return
+	}
+	if proj.TaskKey == "" {
+		proj.TaskKey = rec.TaskKey
+	}
+	if proj.Title == "" {
+		proj.Title = rec.TaskKey
+	}
+	writeJSONResponse(w, http.StatusOK, proj)
+}
+
 func (s *Server) handleResumeTaskRun(w http.ResponseWriter, r *http.Request) {
 	user, ok := s.requirePrincipal(w, r)
 	if !ok {
@@ -0,0 +1,60 @@
+package squad
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+)
+
+// SquadMemberView 是子页面左栏的只读编制投影（不含模型名与工具权限）。
+type SquadMemberView struct {
+	Role             string   `json:"role"`
+	Name             string   `json:"name"`
+	Responsibilities []string `json:"responsibilities"`
+	Source           string   `json:"source,omitempty"`
+}
+
+// SquadProjection GET /tasks/runs/{id}/squad 的响应体。
+type SquadProjection struct {
+	Members []SquadMemberView `json:"members"`
+	TaskKey string            `json:"task_key"`
+	Title   string            `json:"title"`
+}
+
+// ReadSquadProjection 读取工作区 squad.json（及可选 workspace.json 标题）。
+// 缺少 squad.json 时返回错误，由调用方决定 404。
+func ReadSquadProjection(workDir string) (SquadProjection, error) {
+	data, err := os.ReadFile(filepath.Join(workDir, "squad.json"))
+	if err != nil {
+		return SquadProjection{}, err
+	}
+	var cfg SquadConfig
+	if err := json.Unmarshal(data, &cfg); err != nil {
+		return SquadProjection{}, err
+	}
+	members := make([]SquadMemberView, 0, len(cfg.Agents))
+	for _, agent := range cfg.Agents {
+		resp := agent.Responsibilities
+		if resp == nil {
+			resp = []string{}
+		}
+		members = append(members, SquadMemberView{
+			Role:             agent.Role,
+			Name:             agent.Name,
+			Responsibilities: resp,
+			Source:           string(agent.Source),
+		})
+	}
+	title := cfg.SquadName
+	taskKey := ""
+	if metaRaw, err := os.ReadFile(filepath.Join(workDir, "workspace.json")); err == nil {
+		var meta WorkspaceMetadata
+		if json.Unmarshal(metaRaw, &meta) == nil {
+			if meta.StageTitle != "" {
+				title = meta.StageTitle
+			}
+			taskKey = meta.TaskKey
+		}
+	}
+	return SquadProjection{Members: members, TaskKey: taskKey, Title: title}, nil
+}
@@ -0,0 +1,38 @@
+package squad
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestReadSquadProjection(t *testing.T) {
+	dir := t.TempDir()
+	squadJSON := `{
+	  "squad_name": "立项小队",
+	  "version": "1",
+	  "agents": [
+	    {"role": "regulatory", "name": "法规专员", "source": "standard", "responsibilities": ["筛法规"]}
+	  ]
+	}`
+	if err := os.WriteFile(filepath.Join(dir, "squad.json"), []byte(squadJSON), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	ws := `{"task_key":"intake","stage_title":"用户需求收集"}`
+	if err := os.WriteFile(filepath.Join(dir, "workspace.json"), []byte(ws), 0o644); err != nil {
+		t.Fatal(err)
+	}
+	got, err := ReadSquadProjection(dir)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got.TaskKey != "intake" || got.Title != "用户需求收集" {
+		t.Fatalf("meta: %+v", got)
+	}
+	if len(got.Members) != 1 || got.Members[0].Role != "regulatory" || got.Members[0].Name != "法规专员" {
+		t.Fatalf("members: %+v", got.Members)
+	}
+	if _, err := ReadSquadProjection(t.TempDir()); err == nil {
+		t.Fatal("missing squad.json must error")
+	}
+}
@@ -112,7 +112,7 @@ import { RequestEpoch, shareInflight } from './data/initFanout';
 import {
  resolveSessionProjectId,
 } from './lib/sessionAdapter';
-import { navigateToAnchor, parseAnchorHash } from './engine/anchorNavigator';
+import { navigateToAnchor, parseAnchorHash, parseSubagentsHash, type SubagentsTarget } from './engine/anchorNavigator';
 import { useUnreadMarks } from './hooks/useUnreadMarks';
 import { fetchChatCategories, fetchChatDates } from './api/chatWindow';
 import { ChatCategoryStat, ChatDateStat, QuotedMessage } from './types/workbench';
@@ -129,6 +129,8 @@ export {

 const loadAdminConsoleView = () =>
  import('./components/admin/console/AdminConsoleView').then((m) => ({ default: m.AdminConsoleView }));
+const loadSubagentsView = () =>
+  import('./components/subagents/SubagentsView').then((m) => ({ default: m.SubagentsView }));
 export default function App() {
  // Wave 2：启动时幂等剔除 localStorage 中的 demo seed 残留（须先于 load*）
  purgeDemoSeedsFromLocalStorage();
@@ -323,7 +325,8 @@ export default function App() {
  const [rightsModalOpen, setRightsModalOpen] = useState(false);
  const [userSettingsOpen, setUserSettingsOpen] = useState(false);
  // 顶层视图切换：单屏工作台 / 全屏系统管理台（仅管理员可进入）
-  const [view, setView] = useState<'workbench' | 'admin'>('workbench');
+  const [view, setView] = useState<'workbench' | 'admin' | 'subagents'>('workbench');
+  const [subagentsTarget, setSubagentsTarget] = useState<SubagentsTarget | null>(null);
  const [docVisibilityModalOpen, setDocVisibilityModalOpen] = useState(false);
  const [targetDocForVisibility, setTargetDocForVisibility] = useState<DeliverableItem | null>(null);

@@ -1125,6 +1128,16 @@ export default function App() {
  useEffect(() => {
    const handleHashChange = () => {
      if (sessionValidatedRef.current !== true) return;
+      const sub = parseSubagentsHash(window.location.hash);
+      if (sub) {
+        setSubagentsTarget(sub);
+        setView('subagents');
+        if (sub.sessionId && sub.sessionId !== activeSessionIdRef.current) {
+          setActiveSessionId(sub.sessionId);
+        }
+        return;
+      }
+      setView((current) => (current === 'subagents' ? 'workbench' : current));
      const parsed = parseAnchorHash(window.location.hash);
      if (!parsed) return;
      const currentActive = activeSessionIdRef.current;
@@ -1152,6 +1165,14 @@ export default function App() {
    return () => window.removeEventListener('hashchange', handleHashChange);
  }, []); // 仅在挂载时监听 hashchange，避免 activeSessionId 变更时因残留 hash 产生回弹

+  useEffect(() => {
+    if (sessionValidated !== true) return;
+    const sub = parseSubagentsHash(window.location.hash);
+    if (!sub) return;
+    setSubagentsTarget(sub);
+    setView('subagents');
+  }, [sessionValidated]);
+
  // 引用消息交互
  const handleQuoteMessage = (message: ChatMessage) => {
    let msgId = message.serverId;
@@ -1582,6 +1603,25 @@ export default function App() {
    );
  }

+  if (view === 'subagents' && subagentsTarget) {
+    return (
+      <OnDemand
+        label="小队过程"
+        load={loadSubagentsView}
+        componentProps={{
+          runId: subagentsTarget.runId,
+          sessionId: subagentsTarget.sessionId,
+          roleId: subagentsTarget.roleId,
+          onExit: () => {
+            setView('workbench');
+            const next = `${window.location.pathname}${window.location.search}`;
+            window.history.replaceState(null, '', next);
+          },
+        }}
+      />
+    );
+  }
+
  // 全屏系统管理台：与工作台并列的顶层视图，不经过 AppShell
  if (view === 'admin') {
    return (
@@ -18,6 +18,24 @@ export type StreamEvent = {
  status?: { message?: string; intent?: string };
  delta?: string;
  error?: string;
+  detail?: {
+    category?: string;
+    step_id?: string;
+    role?: string;
+    title?: string;
+    content?: string;
+    collapsible?: boolean;
+    item_id?: string;
+    delta?: string;
+    done?: boolean;
+    tool?: {
+      name?: string;
+      status?: string;
+      input?: string;
+      output?: string;
+      duration_ms?: number;
+    };
+  };
  deliverable?: {
    task_key?: string;
    title?: string;
@@ -195,3 +195,26 @@ export async function getTaskRun(runId: string) {
  }
  return res.json();
 }
+
+export type SquadMemberDTO = {
+  role: string;
+  name: string;
+  responsibilities: string[];
+  source?: string;
+};
+
+export type SquadProjection = {
+  members: SquadMemberDTO[];
+  task_key: string;
+  title: string;
+};
+
+export async function getTaskRunSquad(runId: string): Promise<SquadProjection> {
+  const res = await apiFetch(`/api/v1/tasks/runs/${encodeURIComponent(runId)}/squad`, {
+    headers: getBearerAuthHeaders(),
+  });
+  if (!res.ok) {
+    throw new Error(`get task run squad failed: HTTP ${res.status}`);
+  }
+  return res.json();
+}
@@ -9,6 +9,8 @@ import {
  runningPhaseDetail,
  type TaskRunCardBadgeTone,
 } from '../../lib/taskRunCard';
+import { subagentsHash } from '../../engine/anchorNavigator';
+import { summarizeProcess } from '../../engine/processEvent';

 export interface TaskRunCardProps {
  message: ChatMessage;
@@ -274,6 +276,33 @@ export const TaskRunCard: React.FC<TaskRunCardProps> = ({ message }) => {
          <span style={{ wordBreak: 'break-word' }}>{artifactBits.join(' · ')}</span>
        </div>
      )}
+
+      {message.taskRunId && message.sessionId && (
+        <button
+          type="button"
+          data-testid="task-run-card-subagents"
+          onClick={() => {
+            window.location.hash = subagentsHash({
+              sessionId: message.sessionId,
+              runId: message.taskRunId || '',
+            });
+          }}
+          style={{
+            display: 'block',
+            width: '100%',
+            textAlign: 'left',
+            border: 0,
+            borderTop: '1px solid var(--border)',
+            background: 'transparent',
+            padding: '8px 12px',
+            fontSize: '12px',
+            color: 'var(--brand-500)',
+            cursor: 'pointer',
+          }}
+        >
+          {isLive ? '查看小队过程 →' : summarizeProcess(message.processItems) || '查看小队过程 →'}
+        </button>
+      )}
    </div>
  );
 };
@@ -43,7 +43,7 @@ export interface WorkbenchViewProps {
  currentDocRole: UserRole;
  setRightsModalOpen: Dispatch<SetStateAction<boolean>>;
  setUserSettingsOpen: Dispatch<SetStateAction<boolean>>;
-  setView: (view: 'workbench' | 'admin') => void;
+  setView: (view: 'workbench' | 'admin' | 'subagents') => void;
  setProjectMembersModalOpen: Dispatch<SetStateAction<boolean>>;
  currentWfState: WorkbenchWorkflowState;
  workflowGovernanceEnabled: boolean;
@@ -0,0 +1,32 @@
+import { useState, type ReactNode } from 'react';
+
+export function CollapsibleBlock(props: {
+  summary: string;
+  children: ReactNode;
+  defaultOpen?: boolean;
+  testId?: string;
+}) {
+  const [open, setOpen] = useState(props.defaultOpen ?? false);
+  return (
+    <div data-testid={props.testId} style={{ border: '1px solid var(--border)', borderRadius: 8, marginBottom: 8 }}>
+      <button
+        type="button"
+        aria-expanded={open}
+        onClick={() => setOpen((value) => !value)}
+        style={{
+          width: '100%',
+          textAlign: 'left',
+          background: 'transparent',
+          border: 0,
+          padding: '8px 10px',
+          cursor: 'pointer',
+          fontSize: 13,
+          color: 'var(--text)',
+        }}
+      >
+        {props.summary}
+      </button>
+      {open ? <div style={{ padding: '0 10px 10px', fontSize: 13 }}>{props.children}</div> : null}
+    </div>
+  );
+}
@@ -0,0 +1,12 @@
+import type { ProcessItem } from '../../engine/processEvent';
+import { renderBlockMarkdown } from '../../engine/renderBlockMarkdown';
+import { CollapsibleBlock } from './CollapsibleBlock';
+
+export function ProcessStepOutput({ item }: { item: ProcessItem }) {
+  const title = item.title || '步骤产出';
+  return (
+    <CollapsibleBlock testId="process-step-output" summary={`产出 · ${title}`}>
+      <div dangerouslySetInnerHTML={{ __html: renderBlockMarkdown(item.text) }} />
+    </CollapsibleBlock>
+  );
+}
@@ -0,0 +1,49 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import React from 'react';
+import { renderToStaticMarkup } from 'react-dom/server';
+import { SubagentsLayout } from './SubagentsLayout';
+
+test('SubagentsLayout shows the running member and folded thought summary', () => {
+  const html = renderToStaticMarkup(
+    React.createElement(SubagentsLayout, {
+      title: '用户需求收集',
+      runId: 'run-abcdef123456',
+      members: [
+        { role: 'regulatory', name: '法规专员', responsibilities: ['筛法规'] },
+        { role: 'writer', name: '撰写专员', responsibilities: ['成稿'] },
+      ],
+      phases: [
+        { step: 'step_executing#2', icon: '⚙️', label: '撰写中', status: 'running', role: 'writer' },
+      ],
+      items: [
+        {
+          key: 'tasks/02/thought-1',
+          category: 'agent_thought',
+          role: 'writer',
+          stepId: 'tasks/02',
+          text: '先核对素材再写用户需求表的适用范围说明',
+          status: 'done',
+          updatedAt: 1,
+        },
+        {
+          key: 'tasks/01/thought-9',
+          category: 'agent_thought',
+          role: 'regulatory',
+          stepId: 'tasks/01',
+          text: '法规侧不应出现在撰写栏',
+          status: 'done',
+          updatedAt: 2,
+        },
+      ],
+      onSelectRole: () => undefined,
+      onExit: () => undefined,
+    }),
+  );
+  assert.match(html, /data-testid="subagents-view"/);
+  assert.match(html, /撰写专员/);
+  assert.match(html, /先核对素材/);
+  assert.doesNotMatch(html, /法规侧不应出现/);
+  assert.match(html, /返回对话/);
+  assert.match(html, /思考 · /);
+});
@@ -0,0 +1,104 @@
+import type { SquadMemberDTO } from '../../api/taskRuns';
+import { processItemsOf, type ProcessItem } from '../../engine/processEvent';
+import { defaultMemberRole, memberRunStatus } from '../../lib/squadMembers';
+import type { PhaseEvent } from '../../types/workbench';
+import { ProcessStepOutput } from './ProcessStepOutput';
+import { ThinkingBlock } from './ThinkingBlock';
+import { ToolCallCard } from './ToolCallCard';
+
+const STATUS_LABEL = {
+  waiting: '等待',
+  running: '执行中',
+  completed: '完成',
+  failed: '异常',
+} as const;
+
+export function SubagentsLayout(props: {
+  title: string;
+  runId: string;
+  members: SquadMemberDTO[];
+  items: ProcessItem[];
+  phases: PhaseEvent[];
+  selectedRole?: string;
+  onSelectRole: (role: string) => void;
+  onExit: () => void;
+  notice?: string;
+}) {
+  const selected = props.selectedRole && props.members.some((member) => member.role === props.selectedRole)
+    ? props.selectedRole
+    : defaultMemberRole(props.members, props.phases);
+  const member = props.members.find((item) => item.role === selected);
+  const visible = props.items.filter((item) => item.role === selected || (!item.role && !selected));
+  const runLabel = props.runId.length > 12 ? `${props.runId.slice(0, 8)}…` : props.runId;
+
+  return (
+    <div data-testid="subagents-view" style={{ minHeight: '100vh', background: 'var(--bg, #f8fafc)', color: 'var(--text, #0f172a)' }}>
+      <header style={{ display: 'flex', justifyContent: 'space-between', gap: 12, padding: '12px 16px', borderBottom: '1px solid var(--border, #e2e8f0)' }}>
+        <div>
+          <div style={{ fontWeight: 700 }}>小队过程 · {props.title || '任务'}</div>
+          <div style={{ fontSize: 12, color: 'var(--text-faint, #64748b)' }}>run:{runLabel}</div>
+        </div>
+        <button type="button" onClick={props.onExit}>返回对话</button>
+      </header>
+      {props.notice ? <p role="status" style={{ margin: '8px 16px' }}>{props.notice}</p> : null}
+      <div style={{ display: 'grid', gridTemplateColumns: '240px 1fr', minHeight: 'calc(100vh - 120px)' }}>
+        <aside data-testid="subagents-members" style={{ borderRight: '1px solid var(--border, #e2e8f0)', padding: 8 }}>
+          {props.members.length === 0 ? <p>还没有小队编制</p> : null}
+          {props.members.map((item) => {
+            const status = memberRunStatus(item.role, props.phases);
+            const active = item.role === selected;
+            return (
+              <button
+                key={item.role}
+                type="button"
+                data-testid="subagents-member"
+                data-role={item.role}
+                aria-pressed={active}
+                onClick={() => props.onSelectRole(item.role)}
+                style={{
+                  display: 'block',
+                  width: '100%',
+                  textAlign: 'left',
+                  marginBottom: 6,
+                  padding: 8,
+                  borderRadius: 8,
+                  border: active ? '1px solid var(--brand-500, #2563eb)' : '1px solid transparent',
+                  background: active ? 'rgba(37, 99, 235, 0.08)' : 'transparent',
+                }}
+              >
+                <div style={{ fontWeight: 650 }}>{item.name || item.role}</div>
+                <div style={{ fontSize: 12 }}>{STATUS_LABEL[status]}</div>
+              </button>
+            );
+          })}
+        </aside>
+        <section data-testid="subagents-detail" style={{ padding: 12 }}>
+          {member ? (
+            <p style={{ marginTop: 0 }}>
+              {member.name} · {member.role}
+              {member.responsibilities?.length ? ` · ${member.responsibilities.join('、')}` : ''}
+            </p>
+          ) : (
+            <p>选择一名专员查看过程</p>
+          )}
+          {visible.length === 0 ? <p>还没有过程记录</p> : null}
+          {visible.map((item) => {
+            if (item.category === 'tool_call') return <ToolCallCard key={item.key} item={item} />;
+            if (item.category === 'step_output') return <ProcessStepOutput key={item.key} item={item} />;
+            if (item.category === 'agent_thought') return <ThinkingBlock key={item.key} item={item} />;
+            return <ProcessStepOutput key={item.key} item={item} />;
+          })}
+        </section>
+      </div>
+      <ol data-testid="subagents-timeline" style={{ listStyle: 'none', margin: 0, padding: '8px 16px', borderTop: '1px solid var(--border, #e2e8f0)', fontSize: 12 }}>
+        {props.phases.map((phase) => (
+          <li key={phase.step}>{phase.icon} {phase.label}</li>
+        ))}
+      </ol>
+    </div>
+  );
+}
+
+export function itemsForLayout(items: Record<string, ProcessItem>): ProcessItem[] {
+  return processItemsOf(items);
+}
@@ -0,0 +1,55 @@
+import { useEffect, useState } from 'react';
+import { getTaskRunSquad, type SquadMemberDTO } from '../../api/taskRuns';
+import { subagentsHash } from '../../engine/anchorNavigator';
+import { useRunProcessStream } from '../../hooks/useRunProcessStream';
+import { itemsForLayout, SubagentsLayout } from './SubagentsLayout';
+
+export function SubagentsView(props: {
+  runId: string;
+  sessionId: string;
+  roleId?: string;
+  onExit: () => void;
+}) {
+  const stream = useRunProcessStream(props.runId);
+  const [members, setMembers] = useState<SquadMemberDTO[]>([]);
+  const [title, setTitle] = useState('');
+  const [notice, setNotice] = useState<string | undefined>();
+
+  useEffect(() => {
+    let cancelled = false;
+    void getTaskRunSquad(props.runId)
+      .then((squad) => {
+        if (cancelled) return;
+        setMembers(squad.members || []);
+        setTitle(squad.title || squad.task_key || '');
+        setNotice(undefined);
+      })
+      .catch(() => {
+        if (!cancelled) setNotice('暂时读不到小队编制，过程事件仍会显示。');
+      });
+    return () => {
+      cancelled = true;
+    };
+  }, [props.runId]);
+
+  const selectRole = (role: string) => {
+    const next = subagentsHash({ sessionId: props.sessionId, runId: props.runId, roleId: role });
+    if (window.location.hash !== next) window.location.hash = next;
+  };
+
+  const streamNotice = stream.status === 'error' ? '过程流中断，可返回对话后重新进入。' : notice;
+
+  return (
+    <SubagentsLayout
+      title={title}
+      runId={props.runId}
+      members={members}
+      items={itemsForLayout(stream.items)}
+      phases={stream.phases}
+      selectedRole={props.roleId}
+      onSelectRole={selectRole}
+      onExit={props.onExit}
+      notice={streamNotice}
+    />
+  );
+}
@@ -0,0 +1,22 @@
+import type { ProcessItem } from '../../engine/processEvent';
+import { renderBlockMarkdown } from '../../engine/renderBlockMarkdown';
+import { CollapsibleBlock } from './CollapsibleBlock';
+
+function summaryOf(item: ProcessItem): string {
+  const head = item.text.replace(/\s+/g, ' ').trim().slice(0, 40);
+  const extra = item.text.length > 40 ? '…' : '';
+  const state = item.status === 'streaming' ? '思考中' : item.status === 'error' ? '思考中断' : '思考';
+  return `${state} · ${head}${extra}（${item.text.length} 字）`;
+}
+
+export function ThinkingBlock({ item }: { item: ProcessItem }) {
+  return (
+    <CollapsibleBlock
+      testId="thinking-block"
+      defaultOpen={item.status === 'streaming'}
+      summary={summaryOf(item)}
+    >
+      <div dangerouslySetInnerHTML={{ __html: renderBlockMarkdown(item.text) }} />
+    </CollapsibleBlock>
+  );
+}
@@ -0,0 +1,24 @@
+import type { ProcessItem } from '../../engine/processEvent';
+import { renderBlockMarkdown } from '../../engine/renderBlockMarkdown';
+import { CollapsibleBlock } from './CollapsibleBlock';
+
+function statusLabel(status: string): string {
+  if (status === 'succeeded') return '完成';
+  if (status === 'failed') return '失败';
+  return '调用中';
+}
+
+export function ToolCallCard({ item }: { item: ProcessItem }) {
+  const tool = item.tool;
+  const name = tool?.name || item.title || '工具';
+  const status = tool?.status || (item.status === 'error' ? 'failed' : 'calling');
+  const duration = tool?.durationMs != null ? ` · ${tool.durationMs}ms` : '';
+  const body = [tool?.input ? `入参\n\`\`\`json\n${tool.input}\n\`\`\`` : '', tool?.output ? `结果\n\`\`\`\n${tool.output}\n\`\`\`` : '']
+    .filter(Boolean)
+    .join('\n\n');
+  return (
+    <CollapsibleBlock testId="tool-call-card" summary={`工具 ${name} · ${statusLabel(status)}${duration}`}>
+      {body ? <div dangerouslySetInnerHTML={{ __html: renderBlockMarkdown(body) }} /> : <p>无入参或结果</p>}
+    </CollapsibleBlock>
+  );
+}
@@ -4,7 +4,9 @@ import {
  parseAnchorHash,
  formatAnchorHash,
  navigateToAnchor,
+  parseSubagentsHash,
  resolveTurnAnchorId,
+  subagentsHash,
 } from './anchorNavigator';

 test('parseAnchorHash: 正确解析标准深链 hash', () => {
@@ -153,3 +155,19 @@ test('resolveTurnAnchorId: 方案 A 轮次归一化测试', () => {
  assert.equal(resolveTurnAnchorId(102, []), 102, 'empty messages returns raw id');
 });

+test('parseSubagentsHash 解析小队过程深链且不误伤消息锚点', () => {
+  assert.equal(parseAnchorHash('#/s/sess/run/run-1/agents'), null);
+  assert.deepEqual(parseSubagentsHash('#/s/sess/run/run-1/agents'), {
+    sessionId: 'sess',
+    runId: 'run-1',
+    roleId: undefined,
+  });
+  assert.deepEqual(parseSubagentsHash('#/s/sess/run/run-1/agents/regulatory'), {
+    sessionId: 'sess',
+    runId: 'run-1',
+    roleId: 'regulatory',
+  });
+  const hashed = subagentsHash({ sessionId: 'a/b', runId: 'run 1', roleId: '法规' });
+  assert.deepEqual(parseSubagentsHash(hashed), { sessionId: 'a/b', runId: 'run 1', roleId: '法规' });
+});
+
@@ -110,6 +110,33 @@ export function parseAnchorHash(hash: string): AnchorTarget | null {
  return { sessionId, messageId };
 }

+export type SubagentsTarget = {
+  sessionId: string;
+  runId: string;
+  roleId?: string;
+};
+
+/**
+ * 小队过程子页面深链：#/s/{sessionId}/run/{runId}/agents[/{roleId}]
+ * 与消息锚点 #/s/{sessionId}/m/{messageId} 互斥。
+ */
+export function parseSubagentsHash(hash: string): SubagentsTarget | null {
+  if (!hash) return null;
+  const cleaned = hash.startsWith('#') ? hash.substring(1) : hash;
+  const match = cleaned.match(/^\/s\/([^/]+)\/run\/([^/]+)\/agents(?:\/([^/]+))?$/);
+  if (!match) return null;
+  const sessionId = decodeURIComponent(match[1]);
+  const runId = decodeURIComponent(match[2]);
+  if (!sessionId || !runId) return null;
+  const roleId = match[3] ? decodeURIComponent(match[3]) : undefined;
+  return { sessionId, runId, roleId };
+}
+
+export function subagentsHash(target: SubagentsTarget): string {
+  const base = `#/s/${encodeURIComponent(target.sessionId)}/run/${encodeURIComponent(target.runId)}/agents`;
+  return target.roleId ? `${base}/${encodeURIComponent(target.roleId)}` : base;
+}
+
 /**
 * 触发 DOM 元素的锚点高亮脉冲
 */
@@ -114,6 +114,10 @@ export function mergeLiveOverHistory(
    clientTurnId: live.clientTurnId ?? history.clientTurnId,
    clientMessageId: live.clientMessageId ?? history.clientMessageId,
    phaseEvents: live.phaseEvents?.length ? live.phaseEvents : history.phaseEvents,
+    processItems:
+      live.processItems && Object.keys(live.processItems).length > 0
+        ? live.processItems
+        : history.processItems,
    livePhaseLabel: preferHistoryTerminal
      ? undefined
      : live.livePhaseLabel ?? history.livePhaseLabel,
@@ -83,17 +83,19 @@ export function applyPhaseEvent(strip: PhaseEvent[], phase?: PhaseEventPayload):
  const base = detail || meta.label;
  const label = decorateLabel(base, phase);
  const key = stepKeyOf(phase);
+  const role = phase.role?.trim() || undefined;

  // 已存在的条目：刷新文案；非失败事件再次到达时，failed 条目恢复 running（重试/续跑重新执行该步骤）
  const existingIdx = strip.findIndex((e) => e.step === key);
  if (existingIdx >= 0) {
    return strip.map((e, i) => {
      if (i !== existingIdx) return e;
+      const nextRole = role || e.role;
      if (e.status === 'failed' && phase.phase_id !== 'step_failed') {
-        return { ...e, label, detail, status: 'running' as const };
+        return { ...e, label, detail, role: nextRole, status: 'running' as const };
      }
      // 已收口条目被重复事件刷新文案时，保持 label 与 status 语义一致。
-      return settleStep({ ...e, label, detail });
+      return settleStep({ ...e, label, detail, role: nextRole });
    });
  }

@@ -101,10 +103,12 @@ export function applyPhaseEvent(strip: PhaseEvent[], phase?: PhaseEventPayload):
  if (phase.phase_id === 'step_failed') {
    if (strip.some((e) => e.status === 'running')) {
      return strip.map((e) =>
-        e.status === 'running' ? { ...e, status: 'failed' as const, detail: detail ?? e.detail } : e,
+        e.status === 'running'
+          ? { ...e, status: 'failed' as const, detail: detail ?? e.detail, role: role || e.role }
+          : e,
      );
    }
-    return [...strip, { step: key, icon: meta.icon, label, detail, status: 'failed' as const }];
+    return [...strip, { step: key, icon: meta.icon, label, detail, role, status: 'failed' as const }];
  }

  // 收口型 phase：running 条目置 completed，不追加新节点
@@ -118,6 +122,6 @@ export function applyPhaseEvent(strip: PhaseEvent[], phase?: PhaseEventPayload):
  );
  return [
    ...settled,
-    { step: key, icon: meta.icon, label, detail, status: 'running' as const },
+    { step: key, icon: meta.icon, label, detail, role, status: 'running' as const },
  ];
 }
@@ -0,0 +1,86 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { applyDetailEvent, processStamp, summarizeProcess } from './processEvent';
+
+test('applyDetailEvent appends reasoning deltas then closes on done', () => {
+  let items = applyDetailEvent({}, {
+    category: 'agent_thought',
+    step_id: 'tasks/01',
+    role: 'regulatory',
+    item_id: 'thought-1',
+    delta: '先看',
+  }, 1);
+  items = applyDetailEvent(items, {
+    category: 'agent_thought',
+    step_id: 'tasks/01',
+    item_id: 'thought-1',
+    delta: '法规',
+  }, 2);
+  assert.equal(items['tasks/01/thought-1'].text, '先看法规');
+  assert.equal(items['tasks/01/thought-1'].status, 'streaming');
+  items = applyDetailEvent(items, {
+    category: 'agent_thought',
+    step_id: 'tasks/01',
+    item_id: 'thought-1',
+    done: true,
+  }, 3);
+  assert.equal(items['tasks/01/thought-1'].status, 'done');
+  assert.equal(items['tasks/01/thought-1'].text, '先看法规');
+});
+
+test('content snapshot replaces accumulated delta', () => {
+  let items = applyDetailEvent({}, {
+    category: 'agent_thought',
+    item_id: 't',
+    delta: '旧',
+  }, 1);
+  items = applyDetailEvent(items, {
+    category: 'agent_thought',
+    item_id: 't',
+    content: '对账后的全文',
+  }, 2);
+  assert.equal(items['/t'].text, '对账后的全文');
+});
+
+test('tool frames merge status without dropping the name', () => {
+  let items = applyDetailEvent({}, {
+    category: 'tool_call',
+    role: 'writer',
+    step_id: 'tasks/02',
+    item_id: 'call-1',
+    tool: { name: 'read_file', status: 'calling', input: 'output.md' },
+  }, 1);
+  items = applyDetailEvent(items, {
+    category: 'tool_call',
+    item_id: 'call-1',
+    step_id: 'tasks/02',
+    tool: { status: 'failed', output: 'missing' },
+    done: true,
+  }, 2);
+  const tool = items['tasks/02/call-1'].tool;
+  assert.equal(tool?.name, 'read_file');
+  assert.equal(tool?.status, 'failed');
+  assert.equal(tool?.input, 'output.md');
+  assert.equal(tool?.output, 'missing');
+  assert.equal(items['tasks/02/call-1'].status, 'error');
+});
+
+test('summarizeProcess counts roles tools and thoughts', () => {
+  const items = applyDetailEvent(
+    applyDetailEvent({}, {
+      category: 'agent_thought',
+      role: 'regulatory',
+      item_id: 'a',
+      delta: '想',
+    }, 1),
+    {
+      category: 'tool_call',
+      role: 'writer',
+      item_id: 'b',
+      tool: { name: 'write_file', status: 'succeeded' },
+    },
+    2,
+  );
+  assert.equal(summarizeProcess(items), '2 名专员 · 1 次工具调用 · 1 段推演');
+  assert.notEqual(processStamp(items), processStamp({}));
+});
@@ -0,0 +1,133 @@
+/** 小队过程 detail 帧的纯函数聚合。气泡与子页面共用，不写进消息正文。 */
+
+export type ProcessCategory = 'agent_thought' | 'tool_call' | 'step_output' | 'log';
+
+export type ProcessItemStatus = 'streaming' | 'done' | 'error';
+
+export type ProcessTool = {
+  name: string;
+  status: string;
+  input?: string;
+  output?: string;
+  durationMs?: number;
+};
+
+export type ProcessItem = {
+  key: string;
+  category: ProcessCategory;
+  role: string;
+  stepId: string;
+  title?: string;
+  text: string;
+  status: ProcessItemStatus;
+  tool?: ProcessTool;
+  updatedAt: number;
+};
+
+export type DetailEvent = {
+  category?: string;
+  step_id?: string;
+  role?: string;
+  title?: string;
+  content?: string;
+  collapsible?: boolean;
+  item_id?: string;
+  delta?: string;
+  done?: boolean;
+  tool?: {
+    name?: string;
+    status?: string;
+    input?: string;
+    output?: string;
+    duration_ms?: number;
+  };
+};
+
+const CATEGORIES = new Set<ProcessCategory>(['agent_thought', 'tool_call', 'step_output', 'log']);
+
+function asCategory(raw?: string): ProcessCategory {
+  if (raw && CATEGORIES.has(raw as ProcessCategory)) return raw as ProcessCategory;
+  return 'log';
+}
+
+function mergeTool(prev: ProcessTool | undefined, incoming: DetailEvent['tool']): ProcessTool | undefined {
+  if (!incoming && !prev) return undefined;
+  return {
+    name: incoming?.name || prev?.name || '',
+    status: incoming?.status || prev?.status || 'calling',
+    input: incoming?.input ?? prev?.input,
+    output: incoming?.output ?? prev?.output,
+    durationMs: incoming?.duration_ms ?? prev?.durationMs,
+  };
+}
+
+function nextStatus(prev: ProcessItemStatus | undefined, ev: DetailEvent, tool?: ProcessTool): ProcessItemStatus {
+  if (tool?.status === 'failed') return 'error';
+  if (ev.done || tool?.status === 'succeeded') return 'done';
+  if (ev.delta || ev.content) return prev === 'done' || prev === 'error' ? prev : 'streaming';
+  return prev ?? 'streaming';
+}
+
+/**
+ * 把一条 detail 帧折叠进过程项表。
+ * delta 追加；content 是快照对账（覆盖）；done / tool 成功收口。
+ */
+export function applyDetailEvent(
+  items: Record<string, ProcessItem>,
+  ev?: DetailEvent | null,
+  now = Date.now(),
+): Record<string, ProcessItem> {
+  if (!ev?.category && !ev?.item_id && !ev?.delta && !ev?.content) return items;
+  const stepId = ev.step_id || '';
+  const itemId = ev.item_id || ev.title || ev.category || 'item';
+  const key = `${stepId}/${itemId}`;
+  const prev = items[key];
+  let text = prev?.text ?? '';
+  if (typeof ev.content === 'string' && ev.content.length > 0) {
+    text = ev.content;
+  } else if (ev.delta) {
+    text += ev.delta;
+  }
+  const tool = mergeTool(prev?.tool, ev.tool);
+  const status = nextStatus(prev?.status, ev, tool);
+  return {
+    ...items,
+    [key]: {
+      key,
+      category: asCategory(ev.category || prev?.category),
+      role: ev.role || prev?.role || '',
+      stepId,
+      title: ev.title || prev?.title,
+      text,
+      status,
+      tool,
+      updatedAt: now,
+    },
+  };
+}
+
+export function processItemsOf(items?: Record<string, ProcessItem> | null): ProcessItem[] {
+  if (!items) return [];
+  return Object.values(items).sort((a, b) => a.updatedAt - b.updatedAt || a.key.localeCompare(b.key));
+}
+
+/** 气泡 L3 摘要：专员数 · 工具次数 · 推演段数。空则返回空串。 */
+export function summarizeProcess(items?: Record<string, ProcessItem> | null): string {
+  const list = processItemsOf(items);
+  if (list.length === 0) return '';
+  const roles = new Set(list.map((item) => item.role).filter(Boolean));
+  const tools = list.filter((item) => item.category === 'tool_call').length;
+  const thoughts = list.filter((item) => item.category === 'agent_thought').length;
+  const parts: string[] = [];
+  if (roles.size > 0) parts.push(`${roles.size} 名专员`);
+  if (tools > 0) parts.push(`${tools} 次工具调用`);
+  if (thoughts > 0) parts.push(`${thoughts} 段推演`);
+  return parts.join(' · ');
+}
+
+/** 供消息合并判断过程项是否变化（不计时间戳）。 */
+export function processStamp(items?: Record<string, ProcessItem> | null): string {
+  return processItemsOf(items)
+    .map((item) => `${item.key}:${item.status}:${item.text.length}:${item.tool?.status ?? ''}`)
+    .join('|');
+}
@@ -0,0 +1,11 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { renderBlockMarkdown } from './renderBlockMarkdown';
+
+test('renderBlockMarkdown escapes html and pretty-prints json fences', () => {
+  const html = renderBlockMarkdown('see <script>\n```json\n{"a":1}\n```');
+  assert.doesNotMatch(html, /<script>/);
+  assert.match(html, /&lt;script&gt;/);
+  assert.match(html, /<pre><code class="lang-json">/);
+  assert.match(html, /&quot;a&quot;: 1/);
+});
@@ -0,0 +1,39 @@
+/** 工具入参/结果用的轻量块级渲染：转义优先，只识别 fenced code。不引入新依赖。 */
+
+function escapeHtml(value: string): string {
+  return value
+    .replace(/&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;');
+}
+
+function fenceBody(lang: string, body: string): string {
+  let text = body.replace(/\n$/, '');
+  if (lang === 'json') {
+    try {
+      text = JSON.stringify(JSON.parse(text), null, 2);
+    } catch {
+      // 保持原文，仍然转义。
+    }
+  }
+  const klass = lang ? ` class="lang-${escapeHtml(lang)}"` : '';
+  return `<pre><code${klass}>${escapeHtml(text)}</code></pre>`;
+}
+
+export function renderBlockMarkdown(source: string): string {
+  const text = source ?? '';
+  const parts: string[] = [];
+  const re = /```([a-zA-Z0-9_-]*)\n([\s\S]*?)```/g;
+  let last = 0;
+  for (const match of text.matchAll(re)) {
+    const index = match.index ?? 0;
+    if (index > last) parts.push(`<p>${escapeHtml(text.slice(last, index)).replace(/\n/g, '<br>')}</p>`);
+    parts.push(fenceBody(match[1] || '', match[2] || ''));
+    last = index + match[0].length;
+  }
+  if (last < text.length) {
+    parts.push(`<p>${escapeHtml(text.slice(last)).replace(/\n/g, '<br>')}</p>`);
+  }
+  return parts.join('');
+}
@@ -12,6 +12,7 @@ import {
  saveSessionDraft,
 } from '../data/storage';
 import { enrichMessagesWithCategories } from '../engine/categoryHelper';
+import { processStamp } from '../engine/processEvent';
 import {
  filterPendingLiveMessages,
  isLiveMessageInHistory,
@@ -529,6 +530,7 @@ export function useChatWindow({
              liveM.status !== m.status ||
              liveM.livePhaseLabel !== m.livePhaseLabel ||
              (liveM.phaseEvents?.length || 0) !== (m.phaseEvents?.length || 0) ||
+              processStamp(liveM.processItems) !== processStamp(m.processItems) ||
              liveM.errorInfo !== m.errorInfo ||
              liveM.serverId !== m.serverId)
          ) {
@@ -0,0 +1,59 @@
+import { useEffect, useState } from 'react';
+import type { StreamEvent } from '../api/chatStream';
+import { readTaskRunSSEOnce, subscribeTaskRunEvents } from '../api/taskRuns';
+import { applyPhaseEvent } from '../engine/phaseEventMapper';
+import { applyDetailEvent, type ProcessItem } from '../engine/processEvent';
+import type { PhaseEvent } from '../types/workbench';
+
+export type RunProcessStatus = 'loading' | 'live' | 'done' | 'error';
+
+/** 子页面自持订阅：先重放已落库事件，未终态再续订 live。 */
+export function useRunProcessStream(runId: string): {
+  items: Record<string, ProcessItem>;
+  phases: PhaseEvent[];
+  status: RunProcessStatus;
+} {
+  const [items, setItems] = useState<Record<string, ProcessItem>>({});
+  const [phases, setPhases] = useState<PhaseEvent[]>([]);
+  const [status, setStatus] = useState<RunProcessStatus>('loading');
+
+  useEffect(() => {
+    const controller = new AbortController();
+    let itemState: Record<string, ProcessItem> = {};
+    let phaseState: PhaseEvent[] = [];
+    let terminal = false;
+    const onEvent = (ev: StreamEvent) => {
+      if (ev.type === 'detail') {
+        itemState = applyDetailEvent(itemState, ev.detail);
+        setItems(itemState);
+      } else if (ev.type === 'phase') {
+        phaseState = applyPhaseEvent(phaseState, ev.phase);
+        setPhases(phaseState);
+      } else if (ev.type === 'done' || ev.type === 'error') {
+        terminal = true;
+      }
+    };
+    void (async () => {
+      try {
+        const replay = await readTaskRunSSEOnce(runId, 0, onEvent, controller.signal, { replayOnly: true });
+        if (controller.signal.aborted) return;
+        if (replay.terminal || terminal) {
+          setStatus('done');
+          return;
+        }
+        setStatus('live');
+        await subscribeTaskRunEvents(
+          runId,
+          { onEvent, afterSeq: replay.lastSeq },
+          controller.signal,
+        );
+        if (!controller.signal.aborted) setStatus('done');
+      } catch {
+        if (!controller.signal.aborted) setStatus('error');
+      }
+    })();
+    return () => controller.abort();
+  }, [runId]);
+
+  return { items, phases, status };
+}
@@ -11,6 +11,7 @@ import { listProjectWorkflowDocuments } from '../api/projectDocuments';
 import { createTaskRun, getTaskRun, resumeTaskRun, subscribeTaskRunEvents } from '../api/taskRuns';
 import { buildTaskRequest, streamTask } from '../api/taskStream';
 import { applyPhaseEvent } from '../engine/phaseEventMapper';
+import { applyDetailEvent } from '../engine/processEvent';
 import { resolveTaskTemplateForMessage, wrongWorkflowGuidance } from '../engine/templateMatch';
 import { GOVERNANCE_BLOCKED_HINT, isBlockedGovernanceStatus } from '../lib/blockedGovernanceCopy';
 import {
@@ -479,6 +480,14 @@ export function useTaskRunAttempts(input: TaskRunAttemptsInput) {
          }));
          break;
        }
+        case 'detail': {
+          // 过程帧只进 processItems，不拼进气泡正文。
+          patchAsst((m) => ({
+            status: m.status === 'pending' ? 'streaming_status' : m.status,
+            processItems: applyDetailEvent(m.processItems || {}, ev.detail),
+          }));
+          break;
+        }
        case 'status': {
          if (ev.status?.message) {
            patchAsst({ status: 'streaming_status', livePhaseLabel: ev.status.message });
@@ -0,0 +1,22 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { defaultMemberRole, memberRunStatus } from './squadMembers';
+import type { PhaseEvent } from '../types/workbench';
+
+const phases: PhaseEvent[] = [
+  { step: 'step_executing#1', icon: '⚙️', label: '法规', status: 'completed', role: 'regulatory' },
+  { step: 'step_executing#2', icon: '⚙️', label: '撰写', status: 'running', role: 'writer' },
+];
+
+test('memberRunStatus prefers running over older completed', () => {
+  assert.equal(memberRunStatus('writer', phases), 'running');
+  assert.equal(memberRunStatus('regulatory', phases), 'completed');
+  assert.equal(memberRunStatus('leader', phases), 'waiting');
+});
+
+test('defaultMemberRole selects the running member', () => {
+  assert.equal(
+    defaultMemberRole([{ role: 'regulatory' }, { role: 'writer' }, { role: 'leader' }], phases),
+    'writer',
+  );
+});
@@ -0,0 +1,24 @@
+import type { PhaseEvent } from '../types/workbench';
+
+export type MemberRunStatus = 'waiting' | 'running' | 'completed' | 'failed';
+
+export function memberRunStatus(role: string, phases: PhaseEvent[]): MemberRunStatus {
+  const related = phases.filter((phase) => phase.role === role);
+  if (related.some((phase) => phase.status === 'running')) return 'running';
+  if (related.some((phase) => phase.status === 'failed')) return 'failed';
+  if (related.some((phase) => phase.status === 'completed')) return 'completed';
+  return 'waiting';
+}
+
+/** 未指定 role 时：当前执行中，否则最近完成，否则编制第一人。 */
+export function defaultMemberRole(
+  members: { role: string }[],
+  phases: PhaseEvent[],
+): string | undefined {
+  const running = members.find((member) => memberRunStatus(member.role, phases) === 'running');
+  if (running) return running.role;
+  for (let i = members.length - 1; i >= 0; i -= 1) {
+    if (memberRunStatus(members[i].role, phases) === 'completed') return members[i].role;
+  }
+  return members[0]?.role;
+}
@@ -1,3 +1,4 @@
+import type { ProcessItem } from '../engine/processEvent';
 import { DocLifecycleState, UserRole } from './docgov';
 import { DocVisibilityRule } from './rbac';
 import { MessageContentKind, MessageExportCapability } from './replyExport';
@@ -57,6 +58,8 @@ export interface PhaseEvent {
  status: 'pending' | 'running' | 'completed' | 'failed';
  /** 后端 phase.message 原文（刷新快照 / 时间线当前行展开用） */
  detail?: string;
+  /** 专员 role（step_executing 等按成员归集状态） */
+  role?: string;
 }

 /** 服务端写入 chat_messages.metadata.task_phase_snapshot 的折叠进度快照 */
@@ -218,6 +221,11 @@ export interface ChatMessage {
  branchTag?: string;
  timestamp: string;
  phaseEvents?: PhaseEvent[];
+  /**
+   * 过程 detail 聚合（思考/工具/步骤产出）。只在气泡摘要与小队子页面使用，
+   * 不得拼进 content。
+   */
+  processItems?: Record<string, ProcessItem>;
  /** 任务总耗时（毫秒）；done 事件或 snapshot.duration_ms */
  taskDurationMs?: number;
  /** 历史消息带来的 phase 快照标记（有则刷新不必再 replay） */