feat(team): harden runtime delivery and diagnostics

agent-teams-controller/src/internal/review.js

@@ -75,6 +75,10 @@ function closeTimestampForInterval(interval, timestamp) {
   return timestamp;
 }
 
+function isOpenReviewInterval(interval) {
+  return interval && interval.completedAt === undefined;
+}
+
 function openReviewInterval(task, reviewer, timestamp = new Date().toISOString()) {
   const reviewerName = typeof reviewer === 'string' && reviewer.trim() ? reviewer.trim() : '';
   if (!reviewerName) return false;
@@ -83,7 +87,7 @@ function openReviewInterval(task, reviewer, timestamp = new Date().toISOString()
   let changed = false;
   let hasOpenForReviewer = false;
   const nextIntervals = intervals.map((interval) => {
-    if (interval.completedAt) return interval;
+    if (!isOpenReviewInterval(interval)) return interval;
     if (normalizeActorKey(interval.reviewer) === reviewerKey) {
       hasOpenForReviewer = true;
       return interval;
@@ -103,7 +107,7 @@ function closeReviewIntervals(task, timestamp = new Date().toISOString()) {
   if (!Array.isArray(task.reviewIntervals)) return false;
   let changed = false;
   task.reviewIntervals = task.reviewIntervals.map((interval) => {
-    if (interval.completedAt) return interval;
+    if (!isOpenReviewInterval(interval)) return interval;
     changed = true;
     return { ...interval, completedAt: closeTimestampForInterval(interval, timestamp) };
   });

agent-teams-controller/src/internal/taskStore.js

@@ -201,13 +201,23 @@ function appendHistoryEvent(events, event) {
   return list;
 }
 
+function isOpenReviewInterval(interval) {
+  return interval && interval.completedAt === undefined;
+}
+
 function closeOpenReviewIntervals(task, timestamp) {
   if (!Array.isArray(task.reviewIntervals)) return false;
   let changed = false;
   task.reviewIntervals = task.reviewIntervals.map((interval) => {
-    if (interval.completedAt) return interval;
+    if (!isOpenReviewInterval(interval)) return interval;
     changed = true;
-    return { ...interval, completedAt: timestamp };
+    const startedAtMs = Date.parse(interval.startedAt);
+    const timestampMs = Date.parse(timestamp);
+    const completedAt =
+      Number.isFinite(startedAtMs) && Number.isFinite(timestampMs) && timestampMs < startedAtMs
+        ? interval.startedAt
+        : timestamp;
+    return { ...interval, completedAt };
   });
   return changed;
 }
@@ -466,7 +476,7 @@ function setTaskStatus(paths, taskRef, nextStatus, actor) {
     const lastInterval = workIntervals.length > 0 ? workIntervals[workIntervals.length - 1] : null;
 
     if (task.status !== 'in_progress' && status === 'in_progress') {
-      if (!lastInterval || typeof lastInterval.completedAt === 'string') {
+      if (!lastInterval || lastInterval.completedAt !== undefined) {
         workIntervals.push({ startedAt: timestamp });
       }
     } else if (task.status === 'in_progress' && status !== 'in_progress') {

agent-teams-controller/test/controller.test.js

@@ -722,6 +722,23 @@ describe('agent-teams-controller API', () => {
     expect(statusChanges).toEqual(['in_progress', 'completed', 'deleted', 'pending']);
   });
 
+  it('does not treat malformed empty completedAt work intervals as already open', () => {
+    const claudeDir = makeClaudeDir();
+    const controller = createController({ teamName: 'my-team', claudeDir });
+    const task = controller.tasks.createTask({ subject: 'Malformed work interval' });
+    const taskPath = path.join(claudeDir, 'tasks', 'my-team', `${task.id}.json`);
+    const rawTask = JSON.parse(fs.readFileSync(taskPath, 'utf8'));
+    rawTask.workIntervals = [{ startedAt: '2026-01-01T00:00:00.000Z', completedAt: '' }];
+    fs.writeFileSync(taskPath, JSON.stringify(rawTask, null, 2));
+
+    controller.tasks.startTask(task.id, 'bob');
+    const reloaded = controller.tasks.getTask(task.id);
+
+    expect(reloaded.workIntervals).toHaveLength(2);
+    expect(reloaded.workIntervals[0].completedAt).toBe('');
+    expect(reloaded.workIntervals[1].completedAt).toBeUndefined();
+  });
+
   it('tracks owner assignment history without duplicate same-owner events', () => {
     const claudeDir = makeClaudeDir();
     const controller = createController({ teamName: 'my-team', claudeDir });
@@ -851,6 +868,30 @@ describe('agent-teams-controller API', () => {
     expect(changed.reviewIntervals[0].completedAt).toBeTruthy();
   });
 
+  it('does not treat malformed empty completedAt review intervals as already open', () => {
+    const claudeDir = makeClaudeDir();
+    const controller = createController({ teamName: 'my-team', claudeDir });
+    const task = controller.tasks.createTask({ subject: 'Review me', owner: 'bob' });
+
+    controller.tasks.completeTask(task.id, 'bob');
+    controller.review.requestReview(task.id, { from: 'team-lead', reviewer: 'alice' });
+
+    const taskPath = path.join(claudeDir, 'tasks', 'my-team', `${task.id}.json`);
+    const rawTask = JSON.parse(fs.readFileSync(taskPath, 'utf8'));
+    rawTask.reviewIntervals = [
+      { reviewer: 'alice', startedAt: '2026-01-01T00:00:00.000Z', completedAt: '' },
+    ];
+    fs.writeFileSync(taskPath, JSON.stringify(rawTask, null, 2));
+
+    controller.review.startReview(task.id, { from: 'alice' });
+    const reloaded = controller.tasks.getTask(task.id);
+
+    expect(reloaded.reviewIntervals).toHaveLength(2);
+    expect(reloaded.reviewIntervals[0].completedAt).toBe('');
+    expect(reloaded.reviewIntervals[1].reviewer).toBe('alice');
+    expect(reloaded.reviewIntervals[1].completedAt).toBeUndefined();
+  });
+
   it('records review_start after review_request and surfaces review_in_progress for the reviewer', async () => {
     const claudeDir = makeClaudeDir();
     const controller = createController({ teamName: 'my-team', claudeDir });
@@ -2212,13 +2253,22 @@ describe('agent-teams-controller API', () => {
       to: 'review',
       actor: 'carol',
     });
+    rawTask.reviewIntervals = [{ reviewer: 'carol', startedAt: '2026-01-01T00:00:00.000Z' }];
     fs.writeFileSync(taskPath, JSON.stringify(rawTask, null, 2));
 
     controller.review.startReview(task.id);
-    const startedEvents = controller.tasks
-      .getTask(task.id)
-      .historyEvents.filter((event) => event.type === 'review_started');
+    const repairedTask = controller.tasks.getTask(task.id);
+    const startedEvents = repairedTask.historyEvents.filter(
+      (event) => event.type === 'review_started'
+    );
     expect(startedEvents.at(-1).actor).toBe('alice');
+    expect(repairedTask.reviewIntervals).toHaveLength(2);
+    expect(repairedTask.reviewIntervals[0]).toMatchObject({
+      reviewer: 'carol',
+      completedAt: expect.any(String),
+    });
+    expect(repairedTask.reviewIntervals[1].reviewer).toBe('alice');
+    expect(repairedTask.reviewIntervals[1].completedAt).toBeUndefined();
 
     const aliceBriefing = await controller.tasks.taskBriefing('alice');
     const carolBriefing = await controller.tasks.taskBriefing('carol');

src/features/member-log-stream/contracts/api.ts

@@ -3,6 +3,8 @@ import type {
   MemberLogPreviewResponse,
   MemberLogStreamRequestOptions,
   MemberLogStreamResponse,
+  MemberRuntimeLogTailOptions,
+  MemberRuntimeLogTailResponse,
 } from './dto';
 
 export interface MemberLogStreamApi {
@@ -16,5 +18,10 @@ export interface MemberLogStreamApi {
     memberNames: string[],
     options?: MemberLogPreviewRequestOptions
   ): Promise<MemberLogPreviewResponse>;
+  getMemberRuntimeLogTail(
+    teamName: string,
+    memberName: string,
+    options: MemberRuntimeLogTailOptions
+  ): Promise<MemberRuntimeLogTailResponse>;
   setMemberLogStreamTracking(teamName: string, enabled: boolean): Promise<void>;
 }

src/features/member-log-stream/contracts/channels.ts

@@ -1,3 +1,4 @@
 export const MEMBER_LOG_STREAM_GET = 'member-log-stream:getMemberLogStream';
 export const MEMBER_LOG_STREAM_GET_PREVIEWS = 'member-log-stream:getMemberLogPreviews';
 export const MEMBER_LOG_STREAM_SET_TRACKING = 'member-log-stream:setTracking';
+export const MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL = 'member-log-stream:getMemberRuntimeLogTail';

src/features/member-log-stream/contracts/dto.ts

@@ -110,3 +110,21 @@ export interface MemberLogPreviewResponse {
   members: MemberLogPreviewMember[];
   generatedAt: string;
 }
+
+export type MemberRuntimeLogKind = 'stdout' | 'stderr' | 'events';
+
+export interface MemberRuntimeLogTailOptions {
+  kind: MemberRuntimeLogKind;
+  maxBytes?: number;
+  forceRefresh?: boolean;
+}
+
+export interface MemberRuntimeLogTailResponse {
+  kind: MemberRuntimeLogKind;
+  content: string;
+  truncated: boolean;
+  bytesRead: number;
+  fileSizeBytes?: number;
+  updatedAt?: string;
+  missing: boolean;
+}

src/features/member-log-stream/contracts/normalize.ts

@@ -2,6 +2,8 @@ import type {
   MemberLogPreviewMember,
   MemberLogPreviewResponse,
   MemberLogStreamResponse,
+  MemberRuntimeLogKind,
+  MemberRuntimeLogTailResponse,
 } from './dto';
 
 export function createEmptyMemberLogStreamResponse(
@@ -91,3 +93,52 @@ export function normalizeMemberLogPreviewResponse(
         : new Date().toISOString(),
   };
 }
+
+const MEMBER_RUNTIME_LOG_KINDS = new Set<MemberRuntimeLogKind>(['stdout', 'stderr', 'events']);
+
+function normalizeMemberRuntimeLogKind(kind: unknown): MemberRuntimeLogKind {
+  return MEMBER_RUNTIME_LOG_KINDS.has(kind as MemberRuntimeLogKind)
+    ? (kind as MemberRuntimeLogKind)
+    : 'stdout';
+}
+
+function normalizeOptionalFiniteNumber(value: unknown): number | undefined {
+  return typeof value === 'number' && Number.isFinite(value) && value >= 0 ? value : undefined;
+}
+
+export function createEmptyMemberRuntimeLogTailResponse(
+  kind: MemberRuntimeLogKind = 'stdout'
+): MemberRuntimeLogTailResponse {
+  return {
+    kind,
+    content: '',
+    truncated: false,
+    bytesRead: 0,
+    missing: true,
+  };
+}
+
+export function normalizeMemberRuntimeLogTailResponse(
+  response: MemberRuntimeLogTailResponse | null | undefined
+): MemberRuntimeLogTailResponse {
+  if (!response) {
+    return createEmptyMemberRuntimeLogTailResponse();
+  }
+
+  const kind = normalizeMemberRuntimeLogKind(response.kind);
+  const fileSizeBytes = normalizeOptionalFiniteNumber(response.fileSizeBytes);
+  const updatedAt =
+    typeof response.updatedAt === 'string' && response.updatedAt.length > 0
+      ? response.updatedAt
+      : undefined;
+
+  return {
+    kind,
+    content: typeof response.content === 'string' ? response.content : '',
+    truncated: response.truncated === true,
+    bytesRead: normalizeOptionalFiniteNumber(response.bytesRead) ?? 0,
+    ...(fileSizeBytes !== undefined ? { fileSizeBytes } : {}),
+    ...(updatedAt !== undefined ? { updatedAt } : {}),
+    missing: response.missing === true,
+  };
+}

src/features/member-log-stream/main/adapters/input/ipc/__tests__/registerMemberLogStreamIpc.test.ts

@@ -3,6 +3,7 @@ import { describe, expect, it, vi } from 'vitest';
 import {
   MEMBER_LOG_STREAM_GET,
   MEMBER_LOG_STREAM_GET_PREVIEWS,
+  MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL,
   MEMBER_LOG_STREAM_SET_TRACKING,
 } from '../../../../../contracts';
 import {
@@ -50,6 +51,16 @@ function emptyPreviewResponse(): MemberLogPreviewResponse {
   };
 }
 
+function emptyRuntimeLogTailResponse() {
+  return {
+    kind: 'stdout' as const,
+    content: '',
+    truncated: false,
+    bytesRead: 0,
+    missing: true,
+  };
+}
+
 function createFakeIpcMain(): {
   handlers: Map<string, (...args: unknown[]) => unknown>;
   ipcMain: {
@@ -78,6 +89,7 @@ describe('registerMemberLogStreamIpc', () => {
     const feature: MemberLogStreamFeatureFacade = {
       getMemberLogStream,
       getMemberLogPreviews: vi.fn().mockResolvedValue(emptyPreviewResponse()),
+      getMemberRuntimeLogTail: vi.fn().mockResolvedValue(emptyRuntimeLogTailResponse()),
       setMemberLogStreamTracking: vi.fn(),
     };
 
@@ -111,6 +123,7 @@ describe('registerMemberLogStreamIpc', () => {
     const feature: MemberLogStreamFeatureFacade = {
       getMemberLogStream,
       getMemberLogPreviews: vi.fn().mockResolvedValue(emptyPreviewResponse()),
+      getMemberRuntimeLogTail: vi.fn().mockResolvedValue(emptyRuntimeLogTailResponse()),
       setMemberLogStreamTracking: vi.fn(),
     };
 
@@ -138,6 +151,7 @@ describe('registerMemberLogStreamIpc', () => {
     const feature: MemberLogStreamFeatureFacade = {
       getMemberLogStream,
       getMemberLogPreviews: vi.fn().mockResolvedValue(emptyPreviewResponse()),
+      getMemberRuntimeLogTail: vi.fn().mockResolvedValue(emptyRuntimeLogTailResponse()),
       setMemberLogStreamTracking: vi.fn(),
     };
 
@@ -187,6 +201,7 @@ describe('registerMemberLogStreamIpc', () => {
     const feature: MemberLogStreamFeatureFacade = {
       getMemberLogStream: vi.fn().mockResolvedValue(emptyResponse()),
       getMemberLogPreviews: vi.fn().mockResolvedValue(emptyPreviewResponse()),
+      getMemberRuntimeLogTail: vi.fn().mockResolvedValue(emptyRuntimeLogTailResponse()),
       setMemberLogStreamTracking,
     };
 
@@ -206,6 +221,7 @@ describe('registerMemberLogStreamIpc', () => {
 
     expect(handlers.has(MEMBER_LOG_STREAM_GET)).toBe(false);
     expect(handlers.has(MEMBER_LOG_STREAM_GET_PREVIEWS)).toBe(false);
+    expect(handlers.has(MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL)).toBe(false);
     expect(handlers.has(MEMBER_LOG_STREAM_SET_TRACKING)).toBe(false);
   });
 
@@ -215,6 +231,7 @@ describe('registerMemberLogStreamIpc', () => {
     const feature: MemberLogStreamFeatureFacade = {
       getMemberLogStream: vi.fn().mockResolvedValue(emptyResponse()),
       getMemberLogPreviews,
+      getMemberRuntimeLogTail: vi.fn().mockResolvedValue(emptyRuntimeLogTailResponse()),
       setMemberLogStreamTracking: vi.fn(),
     };
 
@@ -243,12 +260,66 @@ describe('registerMemberLogStreamIpc', () => {
     });
   });
 
+  it('validates runtime log tail requests before calling the feature facade', async () => {
+    const { handlers, ipcMain } = createFakeIpcMain();
+    const getMemberRuntimeLogTail = vi.fn().mockResolvedValue({
+      kind: 'stderr',
+      content: 'runtime error',
+      truncated: false,
+      bytesRead: 13,
+      missing: false,
+    });
+    const feature: MemberLogStreamFeatureFacade = {
+      getMemberLogStream: vi.fn().mockResolvedValue(emptyResponse()),
+      getMemberLogPreviews: vi.fn().mockResolvedValue(emptyPreviewResponse()),
+      getMemberRuntimeLogTail,
+      setMemberLogStreamTracking: vi.fn(),
+    };
+
+    registerMemberLogStreamIpc(ipcMain as never, feature);
+    const getRuntimeTail = handlers.get(MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL)!;
+
+    await expect(
+      getRuntimeTail({} as IpcMainInvokeEvent, 'alpha-team', 'alice', {
+        kind: 'stderr',
+        maxBytes: 999999,
+        forceRefresh: true,
+      })
+    ).resolves.toEqual({
+      success: true,
+      data: {
+        kind: 'stderr',
+        content: 'runtime error',
+        truncated: false,
+        bytesRead: 13,
+        missing: false,
+      },
+    });
+    expect(getMemberRuntimeLogTail).toHaveBeenCalledWith({
+      teamName: 'alpha-team',
+      memberName: 'alice',
+      options: {
+        kind: 'stderr',
+        maxBytes: 512 * 1024,
+        forceRefresh: true,
+      },
+    });
+
+    await expect(
+      getRuntimeTail({} as IpcMainInvokeEvent, 'alpha-team', 'alice', { kind: 'bad' })
+    ).resolves.toEqual({
+      success: false,
+      error: 'kind must be stdout, stderr, or events',
+    });
+  });
+
   it('rejects unknown batch preview options and unsafe lane maps', async () => {
     const { handlers, ipcMain } = createFakeIpcMain();
     const getMemberLogPreviews = vi.fn().mockResolvedValue(emptyPreviewResponse());
     const feature: MemberLogStreamFeatureFacade = {
       getMemberLogStream: vi.fn().mockResolvedValue(emptyResponse()),
       getMemberLogPreviews,
+      getMemberRuntimeLogTail: vi.fn().mockResolvedValue(emptyRuntimeLogTailResponse()),
       setMemberLogStreamTracking: vi.fn(),
     };
 

src/features/member-log-stream/main/adapters/input/ipc/registerMemberLogStreamIpc.ts

@@ -4,9 +4,11 @@ import { createLogger } from '@shared/utils/logger';
 import {
   MEMBER_LOG_STREAM_GET,
   MEMBER_LOG_STREAM_GET_PREVIEWS,
+  MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL,
   MEMBER_LOG_STREAM_SET_TRACKING,
   normalizeMemberLogPreviewResponse,
   normalizeMemberLogStreamResponse,
+  normalizeMemberRuntimeLogTailResponse,
 } from '../../../../contracts';
 
 import type {
@@ -14,6 +16,8 @@ import type {
   MemberLogPreviewResponse,
   MemberLogStreamRequestOptions,
   MemberLogStreamResponse,
+  MemberRuntimeLogTailOptions,
+  MemberRuntimeLogTailResponse,
 } from '../../../../contracts';
 import type { MemberLogStreamFeatureFacade } from '../../../composition/createMemberLogStreamFeature';
 import type { IpcResult } from '@shared/types';
@@ -27,6 +31,8 @@ const ALLOWED_PREVIEW_OPTION_KEYS = new Set([
   'laneIdsByMember',
   'forceRefresh',
 ]);
+const ALLOWED_RUNTIME_LOG_OPTION_KEYS = new Set(['kind', 'maxBytes', 'forceRefresh']);
+const MEMBER_RUNTIME_LOG_KINDS = new Set(['stdout', 'stderr', 'events']);
 
 interface ValidationResult<T> {
   valid: boolean;
@@ -217,6 +223,50 @@ function normalizePreviewOptions(options: unknown): ValidationResult<{
   };
 }
 
+function normalizeRuntimeLogOptions(
+  options: unknown
+): ValidationResult<MemberRuntimeLogTailOptions> {
+  if (!options || typeof options !== 'object' || Array.isArray(options)) {
+    return { valid: false, error: 'options must be an object' };
+  }
+
+  const record = options as Record<string, unknown>;
+  for (const key of Object.keys(record)) {
+    if (!ALLOWED_RUNTIME_LOG_OPTION_KEYS.has(key)) {
+      return { valid: false, error: `Unknown getMemberRuntimeLogTail option: ${key}` };
+    }
+  }
+
+  if (!MEMBER_RUNTIME_LOG_KINDS.has(record.kind as string)) {
+    return { valid: false, error: 'kind must be stdout, stderr, or events' };
+  }
+
+  let maxBytes: number | undefined;
+  if (record.maxBytes != null) {
+    if (typeof record.maxBytes !== 'number' || !Number.isFinite(record.maxBytes)) {
+      return { valid: false, error: 'maxBytes must be a finite number' };
+    }
+    maxBytes = Math.max(1024, Math.min(512 * 1024, Math.floor(record.maxBytes)));
+  }
+
+  let forceRefresh: boolean | undefined;
+  if (record.forceRefresh != null) {
+    if (typeof record.forceRefresh !== 'boolean') {
+      return { valid: false, error: 'forceRefresh must be a boolean' };
+    }
+    forceRefresh = record.forceRefresh;
+  }
+
+  return {
+    valid: true,
+    value: {
+      kind: record.kind as MemberRuntimeLogTailOptions['kind'],
+      ...(maxBytes !== undefined ? { maxBytes } : {}),
+      ...(forceRefresh !== undefined ? { forceRefresh } : {}),
+    },
+  };
+}
+
 export function registerMemberLogStreamIpc(
   ipcMain: IpcMain,
   feature: MemberLogStreamFeatureFacade
@@ -324,10 +374,49 @@ export function registerMemberLogStreamIpc(
       }
     }
   );
+
+  ipcMain.handle(
+    MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL,
+    async (
+      _event: IpcMainInvokeEvent,
+      teamName: unknown,
+      memberName: unknown,
+      options?: MemberRuntimeLogTailOptions
+    ): Promise<IpcResult<MemberRuntimeLogTailResponse>> => {
+      const vTeam = validateTeamName(teamName);
+      if (!vTeam.valid) {
+        return { success: false, error: vTeam.error ?? 'Invalid teamName' };
+      }
+      const vMember = validateMemberName(memberName);
+      if (!vMember.valid) {
+        return { success: false, error: vMember.error ?? 'Invalid memberName' };
+      }
+      const vOptions = normalizeRuntimeLogOptions(options);
+      if (!vOptions.valid) {
+        return { success: false, error: vOptions.error ?? 'Invalid options' };
+      }
+
+      try {
+        const response = await feature.getMemberRuntimeLogTail({
+          teamName: vTeam.value!,
+          memberName: vMember.value!,
+          options: vOptions.value!,
+        });
+        return { success: true, data: normalizeMemberRuntimeLogTailResponse(response) };
+      } catch (error) {
+        logger.error('Failed to load member runtime log tail', error);
+        return {
+          success: false,
+          error: error instanceof Error ? error.message : 'Failed to load member runtime log tail',
+        };
+      }
+    }
+  );
 }
 
 export function removeMemberLogStreamIpc(ipcMain: IpcMain): void {
   ipcMain.removeHandler(MEMBER_LOG_STREAM_GET);
   ipcMain.removeHandler(MEMBER_LOG_STREAM_GET_PREVIEWS);
+  ipcMain.removeHandler(MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL);
   ipcMain.removeHandler(MEMBER_LOG_STREAM_SET_TRACKING);
 }

src/features/member-log-stream/main/application/MemberRuntimeLogTailReader.ts

@@ -0,0 +1,176 @@
+/* eslint-disable security/detect-non-literal-fs-filename -- Runtime log paths are derived from validated team/member names under the configured teams base path. */
+import { promises as fs } from 'fs';
+import path from 'path';
+
+import { getTeamsBasePath } from '@main/utils/pathDecoder';
+
+import type { MemberRuntimeLogKind, MemberRuntimeLogTailResponse } from '../../contracts';
+
+const DEFAULT_RUNTIME_LOG_TAIL_BYTES = 128 * 1024;
+const MAX_RUNTIME_LOG_TAIL_BYTES = 512 * 1024;
+const MIN_RUNTIME_LOG_TAIL_BYTES = 1024;
+
+const RUNTIME_LOG_FILES: Record<MemberRuntimeLogKind, string> = {
+  stdout: 'stdout.log',
+  stderr: 'stderr.log',
+  events: 'runtime.jsonl',
+};
+const WINDOWS_RESERVED_BASENAMES = new Set([
+  'con',
+  'prn',
+  'aux',
+  'nul',
+  'com1',
+  'com2',
+  'com3',
+  'com4',
+  'com5',
+  'com6',
+  'com7',
+  'com8',
+  'com9',
+  'lpt1',
+  'lpt2',
+  'lpt3',
+  'lpt4',
+  'lpt5',
+  'lpt6',
+  'lpt7',
+  'lpt8',
+  'lpt9',
+]);
+
+export interface GetMemberRuntimeLogTailInput {
+  teamName: string;
+  memberName: string;
+  kind: MemberRuntimeLogKind;
+  maxBytes?: number;
+}
+
+export interface MemberRuntimeLogTailReaderOptions {
+  teamsBasePath?: string;
+}
+
+function sanitizeRuntimeLogSegment(value: string): string {
+  const sanitized = value.replace(/[^a-zA-Z0-9]/g, '-').toLowerCase();
+  const normalized = sanitized
+    .trim()
+    .replace(/[. ]+$/g, '')
+    .toLowerCase();
+  const stem = normalized.split('.')[0] ?? normalized;
+  return WINDOWS_RESERVED_BASENAMES.has(stem) ? `_${sanitized}` : sanitized;
+}
+
+function clampMaxBytes(maxBytes: number | undefined): number {
+  if (!Number.isFinite(maxBytes ?? NaN)) return DEFAULT_RUNTIME_LOG_TAIL_BYTES;
+  return Math.max(
+    MIN_RUNTIME_LOG_TAIL_BYTES,
+    Math.min(MAX_RUNTIME_LOG_TAIL_BYTES, Math.floor(maxBytes as number))
+  );
+}
+
+function isPathInside(parentPath: string, childPath: string): boolean {
+  const relative = path.relative(parentPath, childPath);
+  return relative === '' || (!relative.startsWith('..') && !path.isAbsolute(relative));
+}
+
+function redactRuntimeLogSecrets(content: string): string {
+  let redacted = content;
+
+  redacted = redacted.replace(/\b(Authorization\s*:\s*Bearer)\s+([^\s"',;]+)/gi, '$1 [redacted]');
+  redacted = redacted.replace(/\b(Bearer)\s+([A-Za-z0-9._~+/=-]{20,})/gi, '$1 [redacted]');
+  redacted = redacted.replace(
+    /\b((?:OPENAI|ANTHROPIC|CODEX|GEMINI|GOOGLE|OPENROUTER|CLAUDE)[A-Z0-9_]*_(?:API_)?KEY)\s*=\s*("[^"]+"|'[^']+'|[^\s"',;]+)/gi,
+    '$1=[redacted]'
+  );
+  redacted = redacted.replace(
+    /(--(?:api-key|token|auth-token|authorization|secret|password)(?:=|\s+))("[^"]+"|'[^']+'|[^\s"',;]+)/gi,
+    '$1[redacted]'
+  );
+  redacted = redacted.replace(
+    /\b(sk-ant-[A-Za-z0-9_-]{20,}|sk-[A-Za-z0-9_-]{20,})\b/g,
+    '[redacted]'
+  );
+
+  return redacted;
+}
+
+export class MemberRuntimeLogTailReader {
+  private readonly teamsBasePath: string;
+
+  constructor(options: MemberRuntimeLogTailReaderOptions = {}) {
+    this.teamsBasePath = options.teamsBasePath ?? getTeamsBasePath();
+  }
+
+  async getTail(input: GetMemberRuntimeLogTailInput): Promise<MemberRuntimeLogTailResponse> {
+    const maxBytes = clampMaxBytes(input.maxBytes);
+    const runtimeDir = path.resolve(
+      this.teamsBasePath,
+      sanitizeRuntimeLogSegment(input.teamName),
+      'runtime'
+    );
+    const filePath = path.resolve(
+      runtimeDir,
+      `${sanitizeRuntimeLogSegment(input.memberName)}.${RUNTIME_LOG_FILES[input.kind]}`
+    );
+
+    if (!isPathInside(runtimeDir, filePath)) {
+      throw new Error('Invalid member runtime log path');
+    }
+
+    let stat;
+    try {
+      stat = await fs.stat(filePath);
+    } catch (error) {
+      if ((error as NodeJS.ErrnoException).code === 'ENOENT') {
+        return {
+          kind: input.kind,
+          content: '',
+          truncated: false,
+          bytesRead: 0,
+          missing: true,
+        };
+      }
+      throw error;
+    }
+
+    if (!stat.isFile()) {
+      return {
+        kind: input.kind,
+        content: '',
+        truncated: false,
+        bytesRead: 0,
+        fileSizeBytes: stat.size,
+        updatedAt: stat.mtime.toISOString(),
+        missing: true,
+      };
+    }
+
+    const bytesToRead = Math.min(stat.size, maxBytes);
+    const start = Math.max(0, stat.size - bytesToRead);
+    const buffer = Buffer.alloc(bytesToRead);
+    let actualBytesRead = 0;
+
+    if (bytesToRead > 0) {
+      const handle = await fs.open(filePath, 'r');
+      try {
+        const result = await handle.read(buffer, 0, bytesToRead, start);
+        actualBytesRead = result.bytesRead;
+      } finally {
+        await handle.close();
+      }
+    }
+    const contentBuffer =
+      actualBytesRead === bytesToRead ? buffer : buffer.subarray(0, actualBytesRead);
+
+    return {
+      kind: input.kind,
+      content: redactRuntimeLogSecrets(contentBuffer.toString('utf8')),
+      truncated: stat.size > bytesToRead,
+      bytesRead: actualBytesRead,
+      fileSizeBytes: stat.size,
+      updatedAt: stat.mtime.toISOString(),
+      missing: false,
+    };
+  }
+}

src/features/member-log-stream/main/application/__tests__/MemberRuntimeLogTailReader.test.ts

@@ -0,0 +1,104 @@
+/* eslint-disable security/detect-non-literal-fs-filename -- Tests write isolated temp runtime log fixtures. */
+import { mkdtemp, mkdir, rm, writeFile } from 'fs/promises';
+import os from 'os';
+import path from 'path';
+
+import { afterEach, describe, expect, it } from 'vitest';
+
+import { MemberRuntimeLogTailReader } from '../MemberRuntimeLogTailReader';
+
+const tempDirs: string[] = [];
+
+async function createTempTeamsBase(): Promise<string> {
+  const dir = await mkdtemp(path.join(os.tmpdir(), 'member-runtime-log-tail-'));
+  tempDirs.push(dir);
+  return dir;
+}
+
+async function writeRuntimeLog(
+  teamsBasePath: string,
+  teamName: string,
+  memberName: string,
+  suffix: string,
+  content: string
+): Promise<void> {
+  const runtimeDir = path.join(teamsBasePath, teamName, 'runtime');
+  await mkdir(runtimeDir, { recursive: true });
+  await writeFile(path.join(runtimeDir, `${memberName}.${suffix}`), content, 'utf8');
+}
+
+describe('MemberRuntimeLogTailReader', () => {
+  afterEach(async () => {
+    await Promise.all(tempDirs.splice(0).map((dir) => rm(dir, { recursive: true, force: true })));
+  });
+
+  it('reads only the bounded tail of large process logs', async () => {
+    const teamsBasePath = await createTempTeamsBase();
+    const reader = new MemberRuntimeLogTailReader({ teamsBasePath });
+    await writeRuntimeLog(
+      teamsBasePath,
+      'alpha-team',
+      'alice',
+      'stdout.log',
+      `${'x'.repeat(4096)}\nvisible tail`
+    );
+
+    const result = await reader.getTail({
+      teamName: 'alpha-team',
+      memberName: 'alice',
+      kind: 'stdout',
+      maxBytes: 1024,
+    });
+
+    expect(result.missing).toBe(false);
+    expect(result.truncated).toBe(true);
+    expect(result.bytesRead).toBe(1024);
+    expect(result.content).toContain('visible tail');
+  });
+
+  it('returns missing without throwing when the runtime log file does not exist', async () => {
+    const teamsBasePath = await createTempTeamsBase();
+    const reader = new MemberRuntimeLogTailReader({ teamsBasePath });
+
+    await expect(
+      reader.getTail({
+        teamName: 'alpha-team',
+        memberName: 'alice',
+        kind: 'stderr',
+      })
+    ).resolves.toMatchObject({
+      kind: 'stderr',
+      missing: true,
+      content: '',
+      bytesRead: 0,
+    });
+  });
+
+  it('redacts obvious secrets before returning process log content', async () => {
+    const teamsBasePath = await createTempTeamsBase();
+    const reader = new MemberRuntimeLogTailReader({ teamsBasePath });
+    await writeRuntimeLog(
+      teamsBasePath,
+      'alpha-team',
+      'alice',
+      'stderr.log',
+      [
+        'Authorization: Bearer secret-token-value-1234567890',
+        'OPENAI_API_KEY=sk-secret-key-value-1234567890',
+        '--api-key sk-ant-secret-value-1234567890',
+      ].join('\n')
+    );
+
+    const result = await reader.getTail({
+      teamName: 'alpha-team',
+      memberName: 'alice',
+      kind: 'stderr',
+    });
+
+    expect(result.content).toContain('Authorization: Bearer [redacted]');
+    expect(result.content).toContain('OPENAI_API_KEY=[redacted]');
+    expect(result.content).not.toContain('secret-token-value');
+    expect(result.content).not.toContain('sk-secret-key-value');
+    expect(result.content).not.toContain('sk-ant-secret-value');
+  });
+});

src/features/member-log-stream/main/composition/createMemberLogStreamFeature.ts

@@ -5,7 +5,9 @@ import { TeamConfigReader } from '@main/services/team/TeamConfigReader';
 import {
   createEmptyMemberLogPreviewResponse,
   createEmptyMemberLogStreamResponse,
+  createEmptyMemberRuntimeLogTailResponse,
 } from '../../contracts';
+import { MemberRuntimeLogTailReader } from '../application/MemberRuntimeLogTailReader';
 import { GetMemberLogPreviewsUseCase } from '../../core/application/use-cases/GetMemberLogPreviewsUseCase';
 import { GetMemberLogStreamUseCase } from '../../core/application/use-cases/GetMemberLogStreamUseCase';
 import { SetMemberLogStreamTrackingUseCase } from '../../core/application/use-cases/SetMemberLogStreamTrackingUseCase';
@@ -17,7 +19,12 @@ import { OpenCodeMemberRuntimePreviewSource } from '../adapters/output/sources/O
 import { OpenCodeMemberRuntimeStreamSource } from '../adapters/output/sources/OpenCodeMemberRuntimeStreamSource';
 import { isMemberLogStreamReadEnabled } from '../featureGates';
 
-import type { MemberLogPreviewResponse, MemberLogStreamResponse } from '../../contracts';
+import type {
+  MemberLogPreviewResponse,
+  MemberLogStreamResponse,
+  MemberRuntimeLogTailOptions,
+  MemberRuntimeLogTailResponse,
+} from '../../contracts';
 import type { LoggerPort } from '../../core/application/ports/LoggerPort';
 import type { MemberLogStreamTrackingPort } from '../../core/application/ports/MemberLogStreamTrackingPort';
 import type { GetMemberLogPreviewsInput } from '../../core/application/use-cases/GetMemberLogPreviewsUseCase';
@@ -29,6 +36,11 @@ import type { TeamMemberLogsFinder } from '@main/services/team/TeamMemberLogsFin
 export interface MemberLogStreamFeatureFacade {
   getMemberLogStream(input: GetMemberLogStreamInput): Promise<MemberLogStreamResponse>;
   getMemberLogPreviews(input: GetMemberLogPreviewsInput): Promise<MemberLogPreviewResponse>;
+  getMemberRuntimeLogTail(input: {
+    teamName: string;
+    memberName: string;
+    options: MemberRuntimeLogTailOptions;
+  }): Promise<MemberRuntimeLogTailResponse>;
   setMemberLogStreamTracking(teamName: string, enabled: boolean): Promise<void>;
 }
 
@@ -49,11 +61,13 @@ export function createMemberLogStreamFeature(deps: {
   logSourceTracker: TeamLogSourceTracker;
   runtimeBridge: ClaudeMultimodelBridgeService;
   configReader?: TeamConfigReader;
+  runtimeLogTailReader?: MemberRuntimeLogTailReader;
   logger: LoggerPort;
 }): MemberLogStreamFeatureFacade {
   const chunkBuilder = new BoardTaskExactLogChunkBuilder();
   const strictParser = new BoardTaskExactLogStrictParser();
   const configReader = deps.configReader ?? new TeamConfigReader();
+  const runtimeLogTailReader = deps.runtimeLogTailReader ?? new MemberRuntimeLogTailReader();
   const sources = [
     new ClaudeMemberTranscriptStreamSource(
       deps.logsFinder,
@@ -96,6 +110,17 @@ export function createMemberLogStreamFeature(deps: {
       }
       return getPreviewsUseCase.execute(input);
     },
+    getMemberRuntimeLogTail: async (input) => {
+      if (!isMemberLogStreamReadEnabled()) {
+        return createEmptyMemberRuntimeLogTailResponse(input.options.kind);
+      }
+      return runtimeLogTailReader.getTail({
+        teamName: input.teamName,
+        memberName: input.memberName,
+        kind: input.options.kind,
+        maxBytes: input.options.maxBytes,
+      });
+    },
     setMemberLogStreamTracking: (teamName, enabled) => trackingUseCase.execute(teamName, enabled),
   };
 }

src/features/member-log-stream/preload/__tests__/createMemberLogStreamBridge.test.ts

@@ -3,6 +3,7 @@ import { beforeEach, describe, expect, it, vi } from 'vitest';
 import {
   MEMBER_LOG_STREAM_GET,
   MEMBER_LOG_STREAM_GET_PREVIEWS,
+  MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL,
   MEMBER_LOG_STREAM_SET_TRACKING,
 } from '../../contracts';
 import { createMemberLogStreamBridge } from '../createMemberLogStreamBridge';
@@ -122,4 +123,46 @@ describe('createMemberLogStreamBridge', () => {
       }
     );
   });
+
+  it('forwards process runtime log tail IPC requests and normalizes response payloads', async () => {
+    mocks.ipcRenderer.invoke.mockResolvedValueOnce({
+      success: true,
+      data: {
+        kind: 'stderr',
+        content: 'OpenCode API error',
+        truncated: true,
+        bytesRead: 131072,
+        fileSizeBytes: 262144,
+        updatedAt: '2026-04-02T00:00:00.000Z',
+        missing: false,
+      },
+    });
+    const bridge = createMemberLogStreamBridge();
+
+    const response = await bridge.getMemberRuntimeLogTail('alpha-team', 'alice', {
+      kind: 'stderr',
+      maxBytes: 131072,
+      forceRefresh: true,
+    });
+
+    expect(response).toEqual({
+      kind: 'stderr',
+      content: 'OpenCode API error',
+      truncated: true,
+      bytesRead: 131072,
+      fileSizeBytes: 262144,
+      updatedAt: '2026-04-02T00:00:00.000Z',
+      missing: false,
+    });
+    expect(mocks.ipcRenderer.invoke).toHaveBeenCalledWith(
+      MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL,
+      'alpha-team',
+      'alice',
+      {
+        kind: 'stderr',
+        maxBytes: 131072,
+        forceRefresh: true,
+      }
+    );
+  });
 });

src/features/member-log-stream/preload/createMemberLogStreamBridge.ts

@@ -3,9 +3,11 @@ import { ipcRenderer } from 'electron';
 import {
   MEMBER_LOG_STREAM_GET,
   MEMBER_LOG_STREAM_GET_PREVIEWS,
+  MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL,
   MEMBER_LOG_STREAM_SET_TRACKING,
   normalizeMemberLogPreviewResponse,
   normalizeMemberLogStreamResponse,
+  normalizeMemberRuntimeLogTailResponse,
 } from '../contracts';
 
 import type {
@@ -14,6 +16,8 @@ import type {
   MemberLogStreamApi,
   MemberLogStreamRequestOptions,
   MemberLogStreamResponse,
+  MemberRuntimeLogTailOptions,
+  MemberRuntimeLogTailResponse,
 } from '../contracts';
 import type { IpcResult } from '@shared/types';
 
@@ -53,6 +57,19 @@ export function createMemberLogStreamBridge(): MemberLogStreamApi {
           options
         )
       ),
+    getMemberRuntimeLogTail: async (
+      teamName: string,
+      memberName: string,
+      options: MemberRuntimeLogTailOptions
+    ): Promise<MemberRuntimeLogTailResponse> =>
+      normalizeMemberRuntimeLogTailResponse(
+        await invokeIpcWithResult<MemberRuntimeLogTailResponse>(
+          MEMBER_LOG_STREAM_GET_RUNTIME_LOG_TAIL,
+          teamName,
+          memberName,
+          options
+        )
+      ),
     setMemberLogStreamTracking: (teamName: string, enabled: boolean): Promise<void> =>
       invokeIpcWithResult<void>(MEMBER_LOG_STREAM_SET_TRACKING, teamName, enabled),
   };

src/features/member-log-stream/renderer/adapters/MemberLogStreamSection.tsx

@@ -1,10 +1,11 @@
-import { useEffect, useMemo } from 'react';
+import { useEffect, useMemo, useState } from 'react';
 
 import { useStore } from '@renderer/store';
 import { selectResolvedMembersForTeamName } from '@renderer/store/slices/teamSlice';
 
 import { useMemberLogStream } from '../hooks/useMemberLogStream';
 import { ExecutionLogStreamView } from '../ui/ExecutionLogStreamView';
+import { MemberRuntimeProcessLogsPanel } from '../ui/MemberRuntimeProcessLogsPanel';
 
 import type { MemberLogStreamSegment } from '../../contracts';
 import type { ResolvedTeamMember } from '@shared/types';
@@ -41,6 +42,7 @@ export function MemberLogStreamSection({
   enabled = true,
   onInitialLoadErrorChange,
 }: Readonly<MemberLogStreamSectionProps>): React.JSX.Element {
+  const [selectedLogView, setSelectedLogView] = useState<'execution' | 'process'>('execution');
   const teamMembers = useStore((s) => selectResolvedMembersForTeamName(s, teamName));
   const { stream, loading, error } = useMemberLogStream({ teamName, member, enabled });
   const hasInitialLoadError = Boolean(error && !stream && !loading);
@@ -57,22 +59,57 @@ export function MemberLogStreamSection({
   }, [hasInitialLoadError, onInitialLoadErrorChange]);
 
   return (
-    <ExecutionLogStreamView
-      title="Logs"
-      description={describeMemberStream()}
-      stream={stream}
-      loading={loading}
-      error={error}
-      teamName={teamName}
-      teamMembers={teamMembers}
-      loadingText="Loading member log stream..."
-      emptyTitle="No log stream entries were found for this member yet."
-      emptyDescription="Member-scoped transcript or runtime logs will appear here when available."
-      selectionResetKey={`${teamName}:${member.name}`}
-      boundedHistoryNote={boundedHistoryNote}
-      forceSegmentHeaders
-      buildSegmentRenderKey={buildMemberSegmentRenderKey}
-      getSegmentMetaLabel={getSegmentMetaLabel}
-    />
+    <div className="space-y-4">
+      <div className="inline-flex rounded-xl bg-[var(--color-surface-subtle)] p-1">
+        <button
+          type="button"
+          className={`rounded-lg px-3 py-1.5 text-sm font-medium transition-colors ${
+            selectedLogView === 'execution'
+              ? 'bg-[var(--color-surface)] text-[var(--color-text)] shadow-sm'
+              : 'text-[var(--color-text-muted)] hover:text-[var(--color-text)]'
+          }`}
+          onClick={() => setSelectedLogView('execution')}
+        >
+          Execution
+        </button>
+        <button
+          type="button"
+          className={`rounded-lg px-3 py-1.5 text-sm font-medium transition-colors ${
+            selectedLogView === 'process'
+              ? 'bg-[var(--color-surface)] text-[var(--color-text)] shadow-sm'
+              : 'text-[var(--color-text-muted)] hover:text-[var(--color-text)]'
+          }`}
+          onClick={() => setSelectedLogView('process')}
+        >
+          Process
+        </button>
+      </div>
+
+      {selectedLogView === 'execution' ? (
+        <ExecutionLogStreamView
+          title="Logs"
+          description={describeMemberStream()}
+          stream={stream}
+          loading={loading}
+          error={error}
+          teamName={teamName}
+          teamMembers={teamMembers}
+          loadingText="Loading member log stream..."
+          emptyTitle="No log stream entries were found for this member yet."
+          emptyDescription="Member-scoped transcript or runtime logs will appear here when available."
+          selectionResetKey={`${teamName}:${member.name}`}
+          boundedHistoryNote={boundedHistoryNote}
+          forceSegmentHeaders
+          buildSegmentRenderKey={buildMemberSegmentRenderKey}
+          getSegmentMetaLabel={getSegmentMetaLabel}
+        />
+      ) : (
+        <MemberRuntimeProcessLogsPanel
+          teamName={teamName}
+          memberName={member.name}
+          enabled={enabled && selectedLogView === 'process'}
+        />
+      )}
+    </div>
   );
 }

src/features/member-log-stream/renderer/ui/MemberRuntimeProcessLogsPanel.tsx

@@ -0,0 +1,278 @@
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+
+import { api } from '@renderer/api';
+import { useVirtualizer } from '@tanstack/react-virtual';
+import { Check, Clipboard, Loader2, RefreshCw } from 'lucide-react';
+
+import {
+  createEmptyMemberRuntimeLogTailResponse,
+  normalizeMemberRuntimeLogTailResponse,
+  type MemberRuntimeLogKind,
+  type MemberRuntimeLogTailResponse,
+} from '../../contracts';
+
+const PROCESS_LOG_KINDS: MemberRuntimeLogKind[] = ['stdout', 'stderr', 'events'];
+const PROCESS_LOG_AUTO_REFRESH_MS = 4000;
+const PROCESS_LOG_TAIL_BYTES = 128 * 1024;
+
+function formatBytes(bytes: number | undefined): string {
+  if (!Number.isFinite(bytes ?? NaN)) return '--';
+  const safeBytes = Math.max(0, bytes ?? 0);
+  if (safeBytes < 1024) return `${safeBytes} B`;
+  const kb = safeBytes / 1024;
+  if (kb < 1024) return `${kb.toFixed(kb >= 10 ? 0 : 1)} KB`;
+  const mb = kb / 1024;
+  return `${mb.toFixed(mb >= 10 ? 0 : 1)} MB`;
+}
+
+function buildStatusText(log: MemberRuntimeLogTailResponse | null): string | null {
+  if (!log) return null;
+  if (log.missing) return 'No process log file captured for this member yet.';
+  if (!log.content) return 'Process log file is empty.';
+  if (log.truncated) return `Showing last ${formatBytes(log.bytesRead)}.`;
+  return `Showing ${formatBytes(log.bytesRead)}.`;
+}
+
+function ProcessLogKindTabs({
+  selected,
+  onSelect,
+}: {
+  selected: MemberRuntimeLogKind;
+  onSelect: (kind: MemberRuntimeLogKind) => void;
+}): React.JSX.Element {
+  return (
+    <div className="flex rounded-lg bg-[var(--color-surface-subtle)] p-1">
+      {PROCESS_LOG_KINDS.map((kind) => (
+        <button
+          key={kind}
+          type="button"
+          className={`rounded-md px-3 py-1.5 text-xs font-medium capitalize transition-colors ${
+            selected === kind
+              ? 'bg-[var(--color-surface)] text-[var(--color-text)] shadow-sm'
+              : 'text-[var(--color-text-muted)] hover:text-[var(--color-text)]'
+          }`}
+          onClick={() => onSelect(kind)}
+        >
+          {kind}
+        </button>
+      ))}
+    </div>
+  );
+}
+
+function ProcessLogVirtualList({
+  content,
+  wrapLines,
+}: {
+  content: string;
+  wrapLines: boolean;
+}): React.JSX.Element {
+  const parentRef = useRef<HTMLDivElement | null>(null);
+  const lines = useMemo(() => content.split(/\r?\n/), [content]);
+  const rowVirtualizer = useVirtualizer({
+    count: lines.length,
+    getScrollElement: () => parentRef.current,
+    estimateSize: () => (wrapLines ? 36 : 20),
+    overscan: 20,
+  });
+
+  return (
+    <div
+      ref={parentRef}
+      className="h-[360px] overflow-auto rounded-xl border border-[var(--color-border)] bg-black/40 font-mono text-xs text-[var(--color-text)]"
+    >
+      <div
+        className={wrapLines ? 'min-w-0' : 'min-w-max'}
+        style={{ height: `${rowVirtualizer.getTotalSize()}px`, position: 'relative' }}
+      >
+        {rowVirtualizer.getVirtualItems().map((virtualRow) => (
+          <div
+            key={virtualRow.key}
+            data-index={virtualRow.index}
+            ref={rowVirtualizer.measureElement}
+            className="absolute left-0 top-0 grid w-full grid-cols-[4rem_minmax(0,1fr)] gap-3 px-3 py-0.5 leading-5"
+            style={{ transform: `translateY(${virtualRow.start}px)` }}
+          >
+            <span className="select-none text-right text-[var(--color-text-subtle)]">
+              {virtualRow.index + 1}
+            </span>
+            <span className={wrapLines ? 'whitespace-pre-wrap break-words' : 'whitespace-pre'}>
+              {lines[virtualRow.index] || ' '}
+            </span>
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}
+
+export function MemberRuntimeProcessLogsPanel({
+  teamName,
+  memberName,
+  enabled,
+}: {
+  teamName: string;
+  memberName: string;
+  enabled: boolean;
+}): React.JSX.Element {
+  const [kind, setKind] = useState<MemberRuntimeLogKind>('stdout');
+  const [log, setLog] = useState<MemberRuntimeLogTailResponse | null>(null);
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [autoRefresh, setAutoRefresh] = useState(false);
+  const [wrapLines, setWrapLines] = useState(false);
+  const [copied, setCopied] = useState(false);
+  const requestSeqRef = useRef(0);
+  const copiedTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+  const loadLog = useCallback(
+    async (options?: { background?: boolean; forceRefresh?: boolean }) => {
+      if (!enabled) return;
+      const requestSeq = requestSeqRef.current + 1;
+      requestSeqRef.current = requestSeq;
+      if (!options?.background) {
+        setLoading(true);
+        setError(null);
+      }
+
+      try {
+        const response = normalizeMemberRuntimeLogTailResponse(
+          await api.memberLogStream.getMemberRuntimeLogTail(teamName, memberName, {
+            kind,
+            maxBytes: PROCESS_LOG_TAIL_BYTES,
+            ...(options?.forceRefresh ? { forceRefresh: true } : {}),
+          })
+        );
+        if (requestSeqRef.current !== requestSeq) return;
+        setLog(response);
+        setError(null);
+      } catch (loadError) {
+        if (requestSeqRef.current !== requestSeq) return;
+        if (!options?.background) {
+          setLog(createEmptyMemberRuntimeLogTailResponse(kind));
+        }
+        setError(loadError instanceof Error ? loadError.message : 'Failed to load process logs');
+      } finally {
+        if (requestSeqRef.current === requestSeq) {
+          setLoading(false);
+        }
+      }
+    },
+    [enabled, kind, memberName, teamName]
+  );
+
+  useEffect(() => {
+    requestSeqRef.current += 1;
+    setLog(null);
+    setError(null);
+    if (enabled) {
+      void loadLog({ forceRefresh: true });
+    }
+  }, [enabled, kind, loadLog]);
+
+  useEffect(() => {
+    if (!enabled || !autoRefresh) return undefined;
+    const interval = setInterval(() => {
+      if (typeof document !== 'undefined' && document.visibilityState === 'hidden') return;
+      void loadLog({ background: true, forceRefresh: true });
+    }, PROCESS_LOG_AUTO_REFRESH_MS);
+    return () => clearInterval(interval);
+  }, [autoRefresh, enabled, loadLog]);
+
+  useEffect(() => {
+    return () => {
+      if (copiedTimerRef.current) clearTimeout(copiedTimerRef.current);
+    };
+  }, []);
+
+  const copyCurrentLog = useCallback(async () => {
+    const content = log?.content ?? '';
+    if (!content) return;
+    try {
+      await navigator.clipboard.writeText(content);
+      setCopied(true);
+      if (copiedTimerRef.current) clearTimeout(copiedTimerRef.current);
+      copiedTimerRef.current = setTimeout(() => setCopied(false), 1600);
+    } catch (copyError) {
+      setError(copyError instanceof Error ? copyError.message : 'Failed to copy process logs');
+    }
+  }, [log?.content]);
+
+  const statusText = buildStatusText(log);
+  const hasContent = Boolean(log?.content);
+
+  return (
+    <div className="space-y-3">
+      <div className="flex flex-wrap items-center justify-between gap-3">
+        <div className="flex items-center gap-2">
+          <ProcessLogKindTabs selected={kind} onSelect={setKind} />
+          <span className="rounded-full bg-[var(--color-surface-subtle)] px-2 py-1 text-[10px] uppercase tracking-wide text-[var(--color-text-subtle)]">
+            {kind}
+          </span>
+        </div>
+
+        <div className="flex flex-wrap items-center gap-2">
+          <label className="flex cursor-pointer items-center gap-2 rounded-lg border border-[var(--color-border)] px-2.5 py-1.5 text-xs text-[var(--color-text-muted)]">
+            <input
+              type="checkbox"
+              className="h-3.5 w-3.5 accent-[var(--color-accent)]"
+              checked={autoRefresh}
+              onChange={(event) => setAutoRefresh(event.target.checked)}
+            />
+            Auto-refresh
+          </label>
+          <label className="flex cursor-pointer items-center gap-2 rounded-lg border border-[var(--color-border)] px-2.5 py-1.5 text-xs text-[var(--color-text-muted)]">
+            <input
+              type="checkbox"
+              className="h-3.5 w-3.5 accent-[var(--color-accent)]"
+              checked={wrapLines}
+              onChange={(event) => setWrapLines(event.target.checked)}
+            />
+            Wrap lines
+          </label>
+          <button
+            type="button"
+            className="inline-flex items-center gap-1.5 rounded-lg border border-[var(--color-border)] px-2.5 py-1.5 text-xs text-[var(--color-text-muted)] hover:text-[var(--color-text)] disabled:cursor-not-allowed disabled:opacity-50"
+            onClick={() => void loadLog({ forceRefresh: true })}
+            disabled={loading}
+          >
+            {loading ? <Loader2 size={13} className="animate-spin" /> : <RefreshCw size={13} />}
+            Refresh
+          </button>
+          <button
+            type="button"
+            className="inline-flex items-center gap-1.5 rounded-lg border border-[var(--color-border)] px-2.5 py-1.5 text-xs text-[var(--color-text-muted)] hover:text-[var(--color-text)] disabled:cursor-not-allowed disabled:opacity-50"
+            onClick={() => void copyCurrentLog()}
+            disabled={!hasContent}
+          >
+            {copied ? <Check size={13} /> : <Clipboard size={13} />}
+            {copied ? 'Copied' : 'Copy'}
+          </button>
+        </div>
+      </div>
+
+      {error ? (
+        <div className="rounded-xl border border-red-500/25 bg-red-500/10 px-3 py-2 text-sm text-red-200">
+          {error}
+        </div>
+      ) : null}
+
+      {statusText ? (
+        <div className="text-xs text-[var(--color-text-muted)]">{statusText}</div>
+      ) : null}
+
+      {loading && !log ? (
+        <div className="flex items-center gap-2 rounded-xl border border-[var(--color-border)] px-3 py-10 text-sm text-[var(--color-text-muted)]">
+          <Loader2 size={16} className="animate-spin" />
+          Loading process log tail...
+        </div>
+      ) : hasContent ? (
+        <ProcessLogVirtualList content={log?.content ?? ''} wrapLines={wrapLines} />
+      ) : (
+        <div className="rounded-xl border border-[var(--color-border)] px-3 py-10 text-sm text-[var(--color-text-muted)]">
+          {statusText ?? 'No process log file captured for this member yet.'}
+        </div>
+      )}
+    </div>
+  );
+}

src/main/http/teams.ts

@@ -523,6 +523,9 @@ export function registerTeamRoutes(app: FastifyInstance, services: HttpServices)
         });
       }
 
+      await services.teamProvisioningService?.repairStaleTaskActivityIntervalsBeforeSnapshot?.(
+        teamName
+      );
       return reply.send(await getTeamDataService(services).getTeamData(teamName));
     } catch (error) {
       if (shouldLogError(error)) {

src/main/ipc/teams.ts

@@ -1044,6 +1044,8 @@ async function handleGetData(
       return { success: false, error: 'TEAM_DRAFT' };
     }
 
+    await getTeamProvisioningService().repairStaleTaskActivityIntervalsBeforeSnapshot?.(tn);
+
     if (workerAvailable) {
       try {
         data =

src/main/services/team/TaskChangeComputer.ts

@@ -179,7 +179,12 @@ export class TaskChangeComputer {
       if (!Number.isFinite(startMs)) continue;
       const endMsRaw =
         typeof interval.completedAt === 'string' ? Date.parse(interval.completedAt) : Number.NaN;
-      const endMs = Number.isFinite(endMsRaw) ? endMsRaw : null;
+      const endMs =
+        interval.completedAt === undefined
+          ? null
+          : Number.isFinite(endMsRaw)
+            ? Math.max(endMsRaw, startMs)
+            : startMs;
       normalized.push({
         startMs,
         endMs,
@@ -192,7 +197,13 @@ export class TaskChangeComputer {
     const startTimestamp = normalized[0]?.startedAt ?? '';
     const maxEnd = normalized.reduce<{ endMs: number; endTimestamp: string } | null>(
       (acc, item) => {
-        if (item.endMs == null || typeof item.completedAt !== 'string') return acc;
+        if (
+          item.endMs == null ||
+          typeof item.completedAt !== 'string' ||
+          !Number.isFinite(Date.parse(item.completedAt))
+        ) {
+          return acc;
+        }
         if (!acc || item.endMs > acc.endMs) {
           return { endMs: item.endMs, endTimestamp: item.completedAt };
         }

src/main/services/team/TeamInboxWriter.ts

@@ -7,7 +7,35 @@ import { atomicWriteAsync } from './atomicWrite';
 import { withFileLock } from './fileLock';
 import { withInboxLock } from './inboxLock';
 
-import type { InboxMessage, SendMessageRequest, SendMessageResult } from '@shared/types';
+import type { InboxMessage, SendMessageRequest, SendMessageResult, TaskRef } from '@shared/types';
+
+export interface MergeRuntimeDeliveryTaskRefsRequest {
+  inboxName: string;
+  messageId: string;
+  relayOfMessageId: string;
+  from: string;
+  taskRefs: TaskRef[];
+}
+
+export interface MergeRuntimeDeliveryTaskRefsResult {
+  found: boolean;
+  updated: boolean;
+  message?: InboxMessage & { messageId: string };
+}
+
+export interface CorrelateRuntimeDeliveryReplyRequest {
+  inboxName: string;
+  messageId: string;
+  relayOfMessageId: string;
+  from: string;
+  taskRefs?: TaskRef[];
+}
+
+export interface CorrelateRuntimeDeliveryReplyResult {
+  found: boolean;
+  updated: boolean;
+  message?: InboxMessage & { messageId: string };
+}
 
 export class TeamInboxWriter {
   async sendMessage(teamName: string, request: SendMessageRequest): Promise<SendMessageResult> {
@@ -54,10 +82,34 @@ export class TeamInboxWriter {
       await withInboxLock(inboxPath, async () => {
         for (let attempt = 0; attempt < 3; attempt++) {
           const list = await this.readInbox(inboxPath);
-          const duplicate = this.findRuntimeDeliveryDuplicate(list, payload);
-          if (duplicate) {
+          const duplicateIndex = this.findRuntimeDeliveryDuplicateIndex(list, payload);
+          if (duplicateIndex >= 0) {
+            const duplicate = list[duplicateIndex];
+            const merged = this.mergeTaskRefs(duplicate.taskRefs, payload.taskRefs);
             resultMessageId = duplicate.messageId ?? messageId;
             resultDeduplicated = true;
+            if (merged.changed) {
+              list[duplicateIndex] = {
+                ...duplicate,
+                taskRefs: merged.taskRefs,
+              };
+              await atomicWriteAsync(inboxPath, JSON.stringify(list, null, 2));
+              const written = await this.readInbox(inboxPath);
+              const writtenDuplicateIndex = this.findRuntimeDeliveryDuplicateIndex(
+                written,
+                payload
+              );
+              const writtenDuplicate =
+                writtenDuplicateIndex >= 0 ? written[writtenDuplicateIndex] : null;
+              if (
+                writtenDuplicate &&
+                this.taskRefsIncludeAll(writtenDuplicate.taskRefs, payload.taskRefs ?? [])
+              ) {
+                return;
+              }
+              await new Promise((resolve) => setTimeout(resolve, 10 * 2 ** attempt));
+              continue;
+            }
             return;
           }
           list.push(payload);
@@ -79,16 +131,188 @@ export class TeamInboxWriter {
     };
   }
 
-  private findRuntimeDeliveryDuplicate(
+  async mergeRuntimeDeliveryTaskRefs(
+    teamName: string,
+    request: MergeRuntimeDeliveryTaskRefsRequest
+  ): Promise<MergeRuntimeDeliveryTaskRefsResult> {
+    const inboxName = request.inboxName.trim();
+    const messageId = request.messageId.trim();
+    const relayOfMessageId = request.relayOfMessageId.trim();
+    const taskRefs = this.normalizeTaskRefs(request.taskRefs);
+    if (!inboxName || !messageId || !relayOfMessageId || taskRefs.length === 0) {
+      return { found: false, updated: false };
+    }
+
+    const inboxPath = path.join(getTeamsBasePath(), teamName, 'inboxes', `${inboxName}.json`);
+    const expectedFrom = this.normalizeComparableParticipant(request.from);
+    if (!expectedFrom) {
+      return { found: false, updated: false };
+    }
+
+    let result: MergeRuntimeDeliveryTaskRefsResult = { found: false, updated: false };
+    await withFileLock(inboxPath, async () => {
+      await withInboxLock(inboxPath, async () => {
+        for (let attempt = 0; attempt < 3; attempt++) {
+          const list = await this.readInbox(inboxPath);
+          const index = list.findIndex((message) => {
+            const rowMessageId =
+              typeof message.messageId === 'string' ? message.messageId.trim() : '';
+            const rowRelayOf =
+              typeof message.relayOfMessageId === 'string' ? message.relayOfMessageId.trim() : '';
+            const rowSource = message.source;
+            return (
+              rowMessageId === messageId &&
+              rowRelayOf === relayOfMessageId &&
+              this.normalizeComparableParticipant(message.from) === expectedFrom &&
+              (rowSource === undefined || rowSource === 'runtime_delivery')
+            );
+          });
+          if (index < 0) {
+            result = { found: false, updated: false };
+            return;
+          }
+
+          const existing = list[index];
+          const merged = this.mergeTaskRefs(existing.taskRefs, taskRefs);
+          if (!merged.changed) {
+            result = {
+              found: true,
+              updated: false,
+              message: { ...existing, messageId },
+            };
+            return;
+          }
+
+          list[index] = { ...existing, taskRefs: merged.taskRefs };
+          await atomicWriteAsync(inboxPath, JSON.stringify(list, null, 2));
+          const written = await this.readInbox(inboxPath);
+          const verified = written.find((message) => {
+            const rowMessageId =
+              typeof message.messageId === 'string' ? message.messageId.trim() : '';
+            const rowRelayOf =
+              typeof message.relayOfMessageId === 'string' ? message.relayOfMessageId.trim() : '';
+            const rowSource = message.source;
+            return (
+              rowMessageId === messageId &&
+              rowRelayOf === relayOfMessageId &&
+              this.normalizeComparableParticipant(message.from) === expectedFrom &&
+              (rowSource === undefined || rowSource === 'runtime_delivery') &&
+              this.taskRefsIncludeAll(message.taskRefs, taskRefs)
+            );
+          });
+          if (verified) {
+            result = {
+              found: true,
+              updated: true,
+              message: { ...verified, messageId },
+            };
+            return;
+          }
+          await new Promise((resolve) => setTimeout(resolve, 10 * 2 ** attempt));
+        }
+        throw new Error('Failed to verify inbox taskRefs merge');
+      });
+    });
+
+    return result;
+  }
+
+  async correlateRuntimeDeliveryReply(
+    teamName: string,
+    request: CorrelateRuntimeDeliveryReplyRequest
+  ): Promise<CorrelateRuntimeDeliveryReplyResult> {
+    const inboxName = request.inboxName.trim();
+    const messageId = request.messageId.trim();
+    const relayOfMessageId = request.relayOfMessageId.trim();
+    const expectedFrom = this.normalizeComparableParticipant(request.from);
+    if (!inboxName || !messageId || !relayOfMessageId || !expectedFrom) {
+      return { found: false, updated: false };
+    }
+
+    const inboxPath = path.join(getTeamsBasePath(), teamName, 'inboxes', `${inboxName}.json`);
+    const taskRefs = this.normalizeTaskRefs(request.taskRefs);
+    let result: CorrelateRuntimeDeliveryReplyResult = { found: false, updated: false };
+    await withFileLock(inboxPath, async () => {
+      await withInboxLock(inboxPath, async () => {
+        for (let attempt = 0; attempt < 3; attempt++) {
+          const list = await this.readInbox(inboxPath);
+          const index = list.findIndex((message) => {
+            const rowMessageId =
+              typeof message.messageId === 'string' ? message.messageId.trim() : '';
+            const rowSource = message.source;
+            return (
+              rowMessageId === messageId &&
+              this.normalizeComparableParticipant(message.from) === expectedFrom &&
+              (rowSource === undefined || rowSource === 'runtime_delivery')
+            );
+          });
+          if (index < 0) {
+            result = { found: false, updated: false };
+            return;
+          }
+
+          const existing = list[index];
+          const merged = this.mergeTaskRefs(existing.taskRefs, taskRefs);
+          const currentRelayOf =
+            typeof existing.relayOfMessageId === 'string' ? existing.relayOfMessageId.trim() : '';
+          if (currentRelayOf === relayOfMessageId && !merged.changed) {
+            result = {
+              found: true,
+              updated: false,
+              message: { ...existing, messageId },
+            };
+            return;
+          }
+
+          const nextMessage: InboxMessage = {
+            ...existing,
+            relayOfMessageId,
+            ...(merged.taskRefs ? { taskRefs: merged.taskRefs } : {}),
+          };
+          list[index] = nextMessage;
+          await atomicWriteAsync(inboxPath, JSON.stringify(list, null, 2));
+          const written = await this.readInbox(inboxPath);
+          const verified = written.find((message) => {
+            const rowMessageId =
+              typeof message.messageId === 'string' ? message.messageId.trim() : '';
+            const rowRelayOf =
+              typeof message.relayOfMessageId === 'string' ? message.relayOfMessageId.trim() : '';
+            const rowSource = message.source;
+            return (
+              rowMessageId === messageId &&
+              rowRelayOf === relayOfMessageId &&
+              this.normalizeComparableParticipant(message.from) === expectedFrom &&
+              (rowSource === undefined || rowSource === 'runtime_delivery') &&
+              this.taskRefsIncludeAll(message.taskRefs, taskRefs)
+            );
+          });
+          if (verified) {
+            result = {
+              found: true,
+              updated: true,
+              message: { ...verified, messageId },
+            };
+            return;
+          }
+          await new Promise((resolve) => setTimeout(resolve, 10 * 2 ** attempt));
+        }
+        throw new Error('Failed to verify inbox runtime delivery correlation update');
+      });
+    });
+
+    return result;
+  }
+
+  private findRuntimeDeliveryDuplicateIndex(
     messages: readonly InboxMessage[],
     payload: InboxMessage
-  ): InboxMessage | null {
+  ): number {
     if (
       payload.source !== 'runtime_delivery' ||
       typeof payload.relayOfMessageId !== 'string' ||
       payload.relayOfMessageId.trim().length === 0
     ) {
-      return null;
+      return -1;
     }
 
     const relayOfMessageId = payload.relayOfMessageId.trim();
@@ -96,21 +320,83 @@ export class TeamInboxWriter {
     const to = this.normalizeComparableParticipant(payload.to);
     const text = this.normalizeComparableText(payload.text);
     if (!from || !to || !text) {
-      return null;
+      return -1;
     }
 
-    return (
-      messages.find(
-        (candidate) =>
-          candidate.source === 'runtime_delivery' &&
-          (candidate.relayOfMessageId ?? '').trim() === relayOfMessageId &&
-          this.normalizeComparableParticipant(candidate.from) === from &&
-          this.normalizeComparableParticipant(candidate.to) === to &&
-          this.normalizeComparableText(candidate.text) === text
-      ) ?? null
+    return messages.findIndex(
+      (candidate) =>
+        candidate.source === 'runtime_delivery' &&
+        (candidate.relayOfMessageId ?? '').trim() === relayOfMessageId &&
+        this.normalizeComparableParticipant(candidate.from) === from &&
+        this.normalizeComparableParticipant(candidate.to) === to &&
+        this.normalizeComparableText(candidate.text) === text
     );
   }
 
+  private mergeTaskRefs(
+    existing: readonly TaskRef[] | undefined,
+    incoming: readonly TaskRef[] | undefined
+  ): { changed: boolean; taskRefs?: TaskRef[] } {
+    const normalizedExisting = this.normalizeTaskRefs(existing);
+    const normalizedIncoming = this.normalizeTaskRefs(incoming);
+    if (normalizedIncoming.length === 0) {
+      return {
+        changed: false,
+        taskRefs: normalizedExisting.length ? normalizedExisting : undefined,
+      };
+    }
+
+    const seen = new Set(normalizedExisting.map((taskRef) => this.taskRefKey(taskRef)));
+    const merged = [...normalizedExisting];
+    let changed = false;
+    for (const taskRef of normalizedIncoming) {
+      const key = this.taskRefKey(taskRef);
+      if (seen.has(key)) {
+        continue;
+      }
+      seen.add(key);
+      merged.push(taskRef);
+      changed = true;
+    }
+    return { changed, taskRefs: merged.length ? merged : undefined };
+  }
+
+  private taskRefsIncludeAll(
+    actual: readonly TaskRef[] | undefined,
+    expected: readonly TaskRef[]
+  ): boolean {
+    const actualKeys = new Set(
+      this.normalizeTaskRefs(actual).map((taskRef) => this.taskRefKey(taskRef))
+    );
+    return this.normalizeTaskRefs(expected).every((taskRef) =>
+      actualKeys.has(this.taskRefKey(taskRef))
+    );
+  }
+
+  private normalizeTaskRefs(taskRefs: readonly TaskRef[] | undefined): TaskRef[] {
+    if (!Array.isArray(taskRefs)) {
+      return [];
+    }
+    const normalized: TaskRef[] = [];
+    for (const rawTaskRef of taskRefs as readonly unknown[]) {
+      if (!rawTaskRef || typeof rawTaskRef !== 'object') {
+        continue;
+      }
+      const taskRef = rawTaskRef as Record<string, unknown>;
+      const teamName = typeof taskRef.teamName === 'string' ? taskRef.teamName.trim() : '';
+      const taskId = typeof taskRef.taskId === 'string' ? taskRef.taskId.trim() : '';
+      const displayId = typeof taskRef.displayId === 'string' ? taskRef.displayId.trim() : '';
+      if (teamName && taskId && displayId) {
+        normalized.push({ teamName, taskId, displayId });
+      }
+    }
+    return normalized;
+  }
+
+  private taskRefKey(taskRef: TaskRef): string {
+    return `${taskRef.teamName.trim()}\u0000${taskRef.taskId.trim()}\u0000${taskRef.displayId.trim()}`;
+  }
+
   private normalizeComparableParticipant(value: unknown): string {
     return typeof value === 'string' ? value.trim().toLowerCase() : '';
   }

src/main/services/team/TeamMemberLogsFinder.ts

@@ -499,7 +499,12 @@ export class TeamMemberLogsFinder {
               const startMs = Date.parse(i.startedAt);
               const endMsRaw =
                 typeof i.completedAt === 'string' ? Date.parse(i.completedAt) : Number.NaN;
-              const endMs = Number.isFinite(endMsRaw) ? endMsRaw : null;
+              const endMs =
+                i.completedAt === undefined
+                  ? null
+                  : Number.isFinite(endMsRaw)
+                    ? Math.max(endMsRaw, startMs)
+                    : startMs;
               return Number.isFinite(startMs) ? { startMs, endMs } : null;
             })
             .filter((v): v is { startMs: number; endMs: number | null } => v !== null)
@@ -516,12 +521,12 @@ export class TeamMemberLogsFinder {
             : [];
 
       const filteredOwnerLogs = ownerLogs.filter((log) => {
-        if (log.isOngoing) return true;
         const startMs = new Date(log.startTime).getTime();
         if (!Number.isFinite(startMs)) return false;
         const durationMs =
           typeof log.durationMs === 'number' && log.durationMs > 0 ? log.durationMs : 0;
-        const endMs = startMs + durationMs;
+        const rawEndMs = startMs + durationMs;
+        const endMs = log.isOngoing ? Math.max(rawEndMs, now) : rawEndMs;
 
         if (effectiveIntervals.length > 0) {
           return this.logOverlapsIntervals(
@@ -533,6 +538,7 @@ export class TeamMemberLogsFinder {
           );
         }
 
+        if (log.isOngoing) return true;
         return startMs >= now - fallbackRecentMs;
       });
       const seen = new Set<string>();
@@ -740,7 +746,12 @@ export class TeamMemberLogsFinder {
               const startMs = Date.parse(i.startedAt);
               const endMsRaw =
                 typeof i.completedAt === 'string' ? Date.parse(i.completedAt) : Number.NaN;
-              const endMs = Number.isFinite(endMsRaw) ? endMsRaw : null;
+              const endMs =
+                i.completedAt === undefined
+                  ? null
+                  : Number.isFinite(endMsRaw)
+                    ? Math.max(endMsRaw, startMs)
+                    : startMs;
               return Number.isFinite(startMs) ? { startMs, endMs } : null;
             })
             .filter((v): v is { startMs: number; endMs: number | null } => v !== null)
@@ -757,28 +768,27 @@ export class TeamMemberLogsFinder {
 
       for (const log of ownerLogs) {
         if (!log.filePath) continue;
-        if (!log.isOngoing) {
-          const startMs = new Date(log.startTime).getTime();
-          if (!Number.isFinite(startMs)) continue;
-          const durationMs =
-            typeof log.durationMs === 'number' && log.durationMs > 0 ? log.durationMs : 0;
-          const endMs = startMs + durationMs;
+        const startMs = new Date(log.startTime).getTime();
+        if (!Number.isFinite(startMs)) continue;
+        const durationMs =
+          typeof log.durationMs === 'number' && log.durationMs > 0 ? log.durationMs : 0;
+        const rawEndMs = startMs + durationMs;
+        const endMs = log.isOngoing ? Math.max(rawEndMs, now) : rawEndMs;
 
-          if (effectiveIntervals.length > 0) {
-            if (
-              !this.logOverlapsIntervals(
-                startMs,
-                endMs,
-                effectiveIntervals,
-                now,
-                TASK_LOG_INTERVAL_GRACE_MS
-              )
-            ) {
-              continue;
-            }
-          } else if (startMs < now - fallbackRecentMs) {
+        if (effectiveIntervals.length > 0) {
+          if (
+            !this.logOverlapsIntervals(
+              startMs,
+              endMs,
+              effectiveIntervals,
+              now,
+              TASK_LOG_INTERVAL_GRACE_MS
+            )
+          ) {
             continue;
           }
+        } else if (!log.isOngoing && startMs < now - fallbackRecentMs) {
+          continue;
         }
 
         pushRef(

src/main/services/team/TeamMemberRuntimeAdvisoryService.ts

@@ -98,10 +98,14 @@ const PROTOCOL_PROOF_MISSING_TOKENS = [
   'plain_text_ack_only_still_requires_answer',
   'visible_reply_destination_not_found_yet',
   'visible_reply_missing_relayofmessageid',
+  'visible_reply_missing_task_refs',
+  'visible_reply_missing_task_refs_after_merge',
+  'visible_reply_task_refs_merge_failed',
   'did not create a visible reply',
   'did not create a visible message_send reply',
   'did not create a visible reply or task progress proof',
   'without the required relayofmessageid correlation',
+  'without the required taskrefs metadata',
 ];
 const logger = createLogger('Service:TeamMemberRuntimeAdvisory');
 

src/main/services/team/TeamTaskActivityIntervalService.ts

@@ -15,6 +15,7 @@ import type {
 
 interface ActivityIntervalResult {
   changedTasks: number;
+  failed?: boolean;
 }
 
 type MutableTeamTask = TeamTask & {
@@ -38,6 +39,14 @@ function toIso(ms: number): string {
   return new Date(ms).toISOString();
 }
 
+function isClosedInterval(interval: { completedAt?: unknown } | null | undefined): boolean {
+  return typeof interval?.completedAt === 'string' && parseIsoMs(interval.completedAt) > 0;
+}
+
+function hasValidStartedAt(interval: { startedAt?: unknown } | null | undefined): boolean {
+  return typeof interval?.startedAt === 'string' && parseIsoMs(interval.startedAt) > 0;
+}
+
 function ensureCloseIso(startedAt: string, at: string): string {
   const startedAtMs = parseIsoMs(startedAt);
   const atMs = parseIsoMs(at);
@@ -46,6 +55,32 @@ function ensureCloseIso(startedAt: string, at: string): string {
   return toIso(atMs);
 }
 
+function resumeStartIso(activeStartedAt: string | null | undefined, at: string): string {
+  const activeStartedAtMs = parseIsoMs(activeStartedAt ?? undefined);
+  const atMs = parseIsoMs(at);
+  if (activeStartedAtMs > 0 && activeStartedAtMs > atMs) {
+    return toIso(activeStartedAtMs);
+  }
+  return atMs > 0 ? toIso(atMs) : toIso(Date.now());
+}
+
+function getStartedAtString(interval: { startedAt?: unknown } | null | undefined): string {
+  return typeof interval?.startedAt === 'string' ? interval.startedAt : '';
+}
+
+function hasUsableCompletedAt(interval: { completedAt?: unknown } | null | undefined): boolean {
+  return interval?.completedAt === undefined || isClosedInterval(interval);
+}
+
+function pauseCloseIso(
+  interval: { startedAt?: unknown; completedAt?: unknown } | null | undefined,
+  at: string
+): string {
+  const startedAt = getStartedAtString(interval);
+  const closeAt = interval?.completedAt === undefined ? at : startedAt || at;
+  return ensureCloseIso(startedAt, closeAt);
+}
+
 function crashRepairCloseIso(startedAt: string, member?: PersistedTeamLaunchMemberState): string {
   const startedAtMs = parseIsoMs(startedAt);
   const safeStartedAtMs = startedAtMs > 0 ? startedAtMs : Date.now();
@@ -62,10 +97,23 @@ function crashRepairCloseIso(startedAt: string, member?: PersistedTeamLaunchMemb
   return toIso(boundedCloseMs);
 }
 
+function crashRepairIntervalCloseIso(
+  interval: { startedAt?: unknown; completedAt?: unknown } | null | undefined,
+  member?: PersistedTeamLaunchMemberState
+): string {
+  const startedAt = getStartedAtString(interval);
+  if (interval?.completedAt === undefined) {
+    return crashRepairCloseIso(startedAt, member);
+  }
+  return ensureCloseIso(startedAt, startedAt || crashRepairCloseIso(startedAt, member));
+}
+
 function hasOpenWorkInterval(task: MutableTeamTask): boolean {
   return (
     Array.isArray(task.workIntervals) &&
-    task.workIntervals.some((interval) => !interval.completedAt)
+    task.workIntervals.some(
+      (interval) => hasValidStartedAt(interval) && interval.completedAt === undefined
+    )
   );
 }
 
@@ -74,7 +122,10 @@ function hasOpenReviewInterval(task: MutableTeamTask, reviewer: string): boolean
   return (
     Array.isArray(task.reviewIntervals) &&
     task.reviewIntervals.some(
-      (interval) => !interval.completedAt && normalizeMemberName(interval.reviewer) === reviewerKey
+      (interval) =>
+        hasValidStartedAt(interval) &&
+        interval.completedAt === undefined &&
+        normalizeMemberName(interval.reviewer) === reviewerKey
     )
   );
 }
@@ -85,9 +136,9 @@ function closeOpenWorkIntervals(task: MutableTeamTask, at: string, owner?: strin
 
   let changed = false;
   task.workIntervals = task.workIntervals.map((interval) => {
-    if (interval.completedAt) return interval;
+    if (isClosedInterval(interval)) return interval;
     changed = true;
-    return { ...interval, completedAt: ensureCloseIso(interval.startedAt, at) };
+    return { ...interval, completedAt: pauseCloseIso(interval, at) };
   });
   return changed;
 }
@@ -98,20 +149,45 @@ function closeOpenReviewIntervals(task: MutableTeamTask, at: string, reviewer?:
 
   let changed = false;
   task.reviewIntervals = task.reviewIntervals.map((interval) => {
-    if (interval.completedAt) return interval;
+    if (isClosedInterval(interval)) return interval;
     if (reviewerKey && normalizeMemberName(interval.reviewer) !== reviewerKey) return interval;
     changed = true;
-    return { ...interval, completedAt: ensureCloseIso(interval.startedAt, at) };
+    return { ...interval, completedAt: pauseCloseIso(interval, at) };
   });
   return changed;
 }
 
-function getActiveReviewActor(task: MutableTeamTask): string | null {
+function getActiveWorkStartedAt(task: MutableTeamTask): string | null {
+  const events = Array.isArray(task.historyEvents) ? task.historyEvents : [];
+  for (let index = events.length - 1; index >= 0; index -= 1) {
+    const event = events[index];
+    if (event.type === 'status_changed') {
+      if (event.to === 'in_progress') {
+        return parseIsoMs(event.timestamp) > 0 ? event.timestamp : null;
+      }
+      return null;
+    }
+    if (event.type === 'task_created') {
+      return event.status === 'in_progress' && parseIsoMs(event.timestamp) > 0
+        ? event.timestamp
+        : null;
+    }
+  }
+  return null;
+}
+
+function getActiveReviewStart(
+  task: MutableTeamTask
+): { reviewer: string; startedAt: string } | null {
   const events = Array.isArray(task.historyEvents) ? task.historyEvents : [];
   for (let index = events.length - 1; index >= 0; index -= 1) {
     const event = events[index];
     if (event.type === 'review_started') {
-      return typeof event.actor === 'string' && event.actor.trim() ? event.actor.trim() : null;
+      const reviewer =
+        typeof event.actor === 'string' && event.actor.trim() ? event.actor.trim() : '';
+      return reviewer && parseIsoMs(event.timestamp) > 0
+        ? { reviewer, startedAt: event.timestamp }
+        : null;
     }
     if (
       event.type === 'review_approved' ||
@@ -126,6 +202,110 @@ function getActiveReviewActor(task: MutableTeamTask): string | null {
   return null;
 }
 
+function hasWorkIntervalForStart(task: MutableTeamTask, startedAt: string): boolean {
+  const startedAtMs = parseIsoMs(startedAt);
+  return (
+    startedAtMs > 0 &&
+    Array.isArray(task.workIntervals) &&
+    task.workIntervals.some((interval) => parseIsoMs(interval.startedAt) === startedAtMs)
+  );
+}
+
+function hasPersistedWorkIntervalAtOrAfter(task: MutableTeamTask, startedAt: string): boolean {
+  const startedAtMs = parseIsoMs(startedAt);
+  return (
+    startedAtMs > 0 &&
+    Array.isArray(task.workIntervals) &&
+    task.workIntervals.some(
+      (interval) =>
+        hasValidStartedAt(interval) &&
+        hasUsableCompletedAt(interval) &&
+        parseIsoMs(interval.startedAt) >= startedAtMs
+    )
+  );
+}
+
+function hasReviewIntervalForStart(
+  task: MutableTeamTask,
+  reviewer: string,
+  startedAt: string
+): boolean {
+  const reviewerKey = normalizeMemberName(reviewer);
+  const startedAtMs = parseIsoMs(startedAt);
+  return (
+    reviewerKey.length > 0 &&
+    startedAtMs > 0 &&
+    Array.isArray(task.reviewIntervals) &&
+    task.reviewIntervals.some(
+      (interval) =>
+        normalizeMemberName(interval.reviewer) === reviewerKey &&
+        parseIsoMs(interval.startedAt) === startedAtMs
+    )
+  );
+}
+
+function hasPersistedReviewIntervalAtOrAfter(task: MutableTeamTask, startedAt: string): boolean {
+  const startedAtMs = parseIsoMs(startedAt);
+  return (
+    startedAtMs > 0 &&
+    Array.isArray(task.reviewIntervals) &&
+    task.reviewIntervals.some(
+      (interval) =>
+        normalizeMemberName(interval?.reviewer).length > 0 &&
+        hasValidStartedAt(interval) &&
+        hasUsableCompletedAt(interval) &&
+        parseIsoMs(interval.startedAt) >= startedAtMs
+    )
+  );
+}
+
+function materializePausedWorkInterval(task: MutableTeamTask, at: string, owner?: string): boolean {
+  if (task.status !== 'in_progress') return false;
+  if (owner && normalizeMemberName(task.owner) !== normalizeMemberName(owner)) return false;
+
+  const startedAt = getActiveWorkStartedAt(task);
+  if (
+    !startedAt ||
+    hasPersistedWorkIntervalAtOrAfter(task, startedAt) ||
+    hasWorkIntervalForStart(task, startedAt)
+  ) {
+    return false;
+  }
+  task.workIntervals = [
+    ...(Array.isArray(task.workIntervals) ? task.workIntervals : []),
+    { startedAt, completedAt: ensureCloseIso(startedAt, at) },
+  ];
+  return true;
+}
+
+function materializePausedReviewInterval(
+  task: MutableTeamTask,
+  at: string,
+  reviewer?: string
+): boolean {
+  if (task.status !== 'completed') return false;
+  const activeReview = getActiveReviewStart(task);
+  if (!activeReview) return false;
+  if (reviewer && normalizeMemberName(activeReview.reviewer) !== normalizeMemberName(reviewer)) {
+    return false;
+  }
+  if (
+    hasPersistedReviewIntervalAtOrAfter(task, activeReview.startedAt) ||
+    hasReviewIntervalForStart(task, activeReview.reviewer, activeReview.startedAt)
+  ) {
+    return false;
+  }
+  task.reviewIntervals = [
+    ...(Array.isArray(task.reviewIntervals) ? task.reviewIntervals : []),
+    {
+      reviewer: activeReview.reviewer,
+      startedAt: activeReview.startedAt,
+      completedAt: ensureCloseIso(activeReview.startedAt, at),
+    },
+  ];
+  return true;
+}
+
 function readTaskFile(filePath: string): MutableTeamTask | null {
   try {
     const parsed = JSON.parse(fs.readFileSync(filePath, 'utf8')) as unknown;
@@ -155,7 +335,7 @@ export class TeamTaskActivityIntervalService {
           error instanceof Error ? error.message : String(error)
         }`
       );
-      return { changedTasks: 0 };
+      return { changedTasks: 0, failed: true };
     }
   }
 
@@ -167,8 +347,11 @@ export class TeamTaskActivityIntervalService {
     let entries: string[];
     try {
       entries = fs.readdirSync(tasksDir);
-    } catch {
-      return { changedTasks: 0 };
+    } catch (error) {
+      if ((error as NodeJS.ErrnoException).code === 'ENOENT') {
+        return { changedTasks: 0 };
+      }
+      throw error;
     }
 
     let changedTasks = 0;
@@ -195,7 +378,9 @@ export class TeamTaskActivityIntervalService {
     return this.mutateTeamTasks(teamName, (task) => {
       const changedWork = closeOpenWorkIntervals(task, at);
       const changedReview = closeOpenReviewIntervals(task, at);
-      return changedWork || changedReview;
+      const materializedWork = materializePausedWorkInterval(task, at);
+      const materializedReview = materializePausedReviewInterval(task, at);
+      return changedWork || changedReview || materializedWork || materializedReview;
     });
   }
 
@@ -207,7 +392,9 @@ export class TeamTaskActivityIntervalService {
     return this.mutateTeamTasks(teamName, (task) => {
       const changedWork = closeOpenWorkIntervals(task, at, memberName);
       const changedReview = closeOpenReviewIntervals(task, at, memberName);
-      return changedWork || changedReview;
+      const materializedWork = materializePausedWorkInterval(task, at, memberName);
+      const materializedReview = materializePausedReviewInterval(task, at, memberName);
+      return changedWork || changedReview || materializedWork || materializedReview;
     });
   }
 
@@ -227,23 +414,27 @@ export class TeamTaskActivityIntervalService {
         normalizeMemberName(task.owner) === memberKey &&
         !hasOpenWorkInterval(task)
       ) {
+        const activeStartedAt = getActiveWorkStartedAt(task);
         task.workIntervals = [
           ...(Array.isArray(task.workIntervals) ? task.workIntervals : []),
-          { startedAt: at },
+          { startedAt: resumeStartIso(activeStartedAt, at) },
         ];
         changed = true;
       }
 
-      const activeReviewer = getActiveReviewActor(task);
+      const activeReview = getActiveReviewStart(task);
       if (
         task.status === 'completed' &&
-        activeReviewer &&
-        normalizeMemberName(activeReviewer) === memberKey &&
-        !hasOpenReviewInterval(task, activeReviewer)
+        activeReview &&
+        normalizeMemberName(activeReview.reviewer) === memberKey &&
+        !hasOpenReviewInterval(task, activeReview.reviewer)
       ) {
         task.reviewIntervals = [
           ...(Array.isArray(task.reviewIntervals) ? task.reviewIntervals : []),
-          { reviewer: activeReviewer, startedAt: at },
+          {
+            reviewer: activeReview.reviewer,
+            startedAt: resumeStartIso(activeReview.startedAt, at),
+          },
         ];
         changed = true;
       }
@@ -266,23 +457,57 @@ export class TeamTaskActivityIntervalService {
       if (Array.isArray(task.workIntervals)) {
         const ownerMember = memberByName.get(normalizeMemberName(task.owner));
         task.workIntervals = task.workIntervals.map((interval) => {
-          if (interval.completedAt) return interval;
+          if (isClosedInterval(interval)) return interval;
           changed = true;
-          return { ...interval, completedAt: crashRepairCloseIso(interval.startedAt, ownerMember) };
+          return { ...interval, completedAt: crashRepairIntervalCloseIso(interval, ownerMember) };
         });
       }
+      if (task.status === 'in_progress') {
+        const ownerMember = memberByName.get(normalizeMemberName(task.owner));
+        const startedAt = getActiveWorkStartedAt(task);
+        if (
+          startedAt &&
+          !hasPersistedWorkIntervalAtOrAfter(task, startedAt) &&
+          !hasWorkIntervalForStart(task, startedAt)
+        ) {
+          task.workIntervals = [
+            ...(Array.isArray(task.workIntervals) ? task.workIntervals : []),
+            { startedAt, completedAt: crashRepairCloseIso(startedAt, ownerMember) },
+          ];
+          changed = true;
+        }
+      }
 
       if (Array.isArray(task.reviewIntervals)) {
         task.reviewIntervals = task.reviewIntervals.map((interval) => {
-          if (interval.completedAt) return interval;
+          if (isClosedInterval(interval)) return interval;
           const reviewerMember = memberByName.get(normalizeMemberName(interval.reviewer));
           changed = true;
           return {
             ...interval,
-            completedAt: crashRepairCloseIso(interval.startedAt, reviewerMember),
+            completedAt: crashRepairIntervalCloseIso(interval, reviewerMember),
           };
         });
       }
+      if (task.status === 'completed') {
+        const activeReview = getActiveReviewStart(task);
+        if (
+          activeReview &&
+          !hasPersistedReviewIntervalAtOrAfter(task, activeReview.startedAt) &&
+          !hasReviewIntervalForStart(task, activeReview.reviewer, activeReview.startedAt)
+        ) {
+          const reviewerMember = memberByName.get(normalizeMemberName(activeReview.reviewer));
+          task.reviewIntervals = [
+            ...(Array.isArray(task.reviewIntervals) ? task.reviewIntervals : []),
+            {
+              reviewer: activeReview.reviewer,
+              startedAt: activeReview.startedAt,
+              completedAt: crashRepairCloseIso(activeReview.startedAt, reviewerMember),
+            },
+          ];
+          changed = true;
+        }
+      }
 
       return changed;
     });

src/main/services/team/TeamTaskWriter.ts

@@ -332,7 +332,7 @@ export class TeamTaskWriter {
 
       if (!wasInProgress && isInProgress) {
         // Entering in_progress: open a new interval if none is open.
-        if (!last || typeof last.completedAt === 'string') {
+        if (!last || last.completedAt !== undefined) {
           intervals.push({ startedAt: nowIso });
         }
       } else if (wasInProgress && !isInProgress) {

src/main/services/team/opencode/bridge/OpenCodeReadinessBridge.ts

@@ -68,7 +68,7 @@ const DEFAULT_RECONCILE_TIMEOUT_MS = 30_000;
 // Longer than the renderer-facing UI timeout: late OpenCode turns should still
 // finish bridge-side observation and emit member-work-sync signals.
 const DEFAULT_SEND_TIMEOUT_MS = 45_000;
-const DEFAULT_OBSERVE_TIMEOUT_MS = 8_000;
+const DEFAULT_OBSERVE_TIMEOUT_MS = 20_000;
 const DEFAULT_STOP_TIMEOUT_MS = 30_000;
 const DEFAULT_CLEANUP_TIMEOUT_MS = 10_000;
 const DEFAULT_BACKFILL_TIMEOUT_MS = 45_000;

src/main/services/team/opencode/delivery/OpenCodePromptDeliveryLedger.ts

@@ -389,7 +389,7 @@ export class OpenCodePromptDeliveryLedgerStore {
       visibleReplyCorrelation: input.visibleReplyCorrelation,
       lastReason: input.semanticallySufficient
         ? record.lastReason
-        : 'visible_reply_ack_only_still_requires_answer',
+        : selectOpenCodeDestinationProofInsufficientReason(input.diagnostics),
       diagnostics: mergeDiagnostics(record.diagnostics, input.diagnostics ?? []),
       updatedAt: input.observedAt,
     }));
@@ -874,6 +874,22 @@ function shouldPruneOpenCodePromptDeliveryRecord(
   return false;
 }
 
+function selectOpenCodeDestinationProofInsufficientReason(
+  diagnostics: readonly string[] | undefined
+): string {
+  const normalizedDiagnostics = (diagnostics ?? []).map((diagnostic) =>
+    diagnostic.trim().toLowerCase()
+  );
+  if (
+    normalizedDiagnostics.includes('visible_reply_missing_task_refs') ||
+    normalizedDiagnostics.includes('visible_reply_missing_task_refs_after_merge') ||
+    normalizedDiagnostics.includes('visible_reply_task_refs_merge_failed')
+  ) {
+    return 'visible_reply_missing_task_refs';
+  }
+  return 'visible_reply_ack_only_still_requires_answer';
+}
+
 function mergeDiagnostics(existing: string[], next: string[]): string[] {
   return [...new Set([...existing, ...next].filter((item) => item.trim()))];
 }

src/main/services/team/opencode/delivery/OpenCodePromptDeliveryRepairPolicy.ts

@@ -1,8 +1,5 @@
 import type { OpenCodeDeliveryResponseState } from '../bridge/OpenCodeBridgeCommandContract';
-import type {
-  OpenCodePromptDeliveryLedgerRecord,
-  OpenCodePromptDeliveryStatus,
-} from './OpenCodePromptDeliveryLedger';
+import type { OpenCodePromptDeliveryStatus } from './OpenCodePromptDeliveryLedger';
 import type { AgentActionMode, InboxMessageKind, TaskRef } from '@shared/types/team';
 
 export type OpenCodePromptDeliveryRepairKind =
@@ -128,12 +125,14 @@ function taskIdList(taskRefs: TaskRef[]): string | null {
 
 function messageSendControlLines(input: OpenCodePromptDeliveryRepairInput): string[] {
   const replyRecipient = input.replyRecipient.trim() || 'user';
+  const taskRefsJson = input.taskRefs.length > 0 ? JSON.stringify(input.taskRefs) : null;
   return [
     'The app still has no correlated visible reply proof for this message.',
     `Call agent-teams_message_send or mcp__agent-teams__message_send exactly once with teamName="${input.teamName}", to="${replyRecipient}", from="${input.memberName}", and relayOfMessageId="${input.inboxMessageId}".`,
+    taskRefsJson ? `Include taskRefs exactly as this JSON array: ${taskRefsJson}.` : null,
     'Use a concrete answer in text and summary. Do not reply only with acknowledgement.',
     'After the message_send tool succeeds, stop this turn. Do not repeat task/tool work unless the inbound message explicitly asks for new work.',
-  ];
+  ].filter((line): line is string => line !== null);
 }
 
 function workSyncControlLines(input: OpenCodePromptDeliveryRepairInput): string[] {
@@ -169,7 +168,9 @@ function noAssistantControlLines(input: OpenCodePromptDeliveryRepairInput): stri
   ];
 }
 
-function toolErrorControl(input: OpenCodePromptDeliveryRepairInput) {
+function toolErrorControl(
+  input: OpenCodePromptDeliveryRepairInput
+): OpenCodePromptDeliveryRepairDecision {
   const tools = normalizedToolNames(input);
   if (hasTool(tools, 'message_send')) {
     return control(
@@ -264,6 +265,7 @@ export function decideOpenCodePromptDeliveryRepair(
   if (
     input.pendingReason === 'visible_reply_destination_not_found_yet' ||
     input.pendingReason === 'visible_reply_missing_relayOfMessageId' ||
+    input.pendingReason === 'visible_reply_missing_task_refs' ||
     input.pendingReason === 'visible_reply_still_required' ||
     (input.responseState === 'responded_visible_message' && !input.visibleReplyFound)
   ) {

src/main/services/team/opencode/delivery/OpenCodeRuntimeDeliveryDiagnostics.ts

@@ -22,6 +22,10 @@ const GENERIC_DELIVERY_DIAGNOSTIC_TOKENS = [
   'visible_reply_ack_only_still_requires_answer',
   'visible_reply_destination_not_found_yet',
   'visible_reply_missing_relayofmessageid',
+  'visible_reply_missing_task_refs',
+  'visible_reply_missing_task_refs_after_merge',
+  'visible_reply_task_refs_merge_failed',
+  'opencode_runtime_delivery_task_refs_inherited_from_relay',
   'non_visible_tool_without_task_progress',
 ] as const;
 
@@ -101,9 +105,20 @@ function getOpenCodeRuntimeDeliveryStateFallback(
 ): string | null {
   const state = record.responseState?.trim();
   const reason = record.lastReason?.trim();
+  const diagnostics = record.diagnostics.map((diagnostic) => diagnostic.trim().toLowerCase());
   if (state === 'empty_assistant_turn' || reason === 'empty_assistant_turn') {
     return 'OpenCode returned an empty assistant turn.';
   }
+  if (
+    reason === 'visible_reply_missing_task_refs' ||
+    diagnostics.includes('visible_reply_missing_task_refs') ||
+    diagnostics.includes('visible_reply_missing_task_refs_after_merge')
+  ) {
+    return 'OpenCode created a reply without the required taskRefs metadata.';
+  }
+  if (diagnostics.includes('visible_reply_task_refs_merge_failed')) {
+    return 'OpenCode created a reply without the required taskRefs metadata, and the app could not attach it automatically.';
+  }
   if (
     reason === 'visible_reply_still_required' ||
     reason === 'visible_reply_ack_only_still_requires_answer' ||

src/main/services/team/runtime/OpenCodeTeamRuntimeAdapter.ts

@@ -929,6 +929,10 @@ function buildOpenCodeRuntimeMessageText(input: OpenCodeTeamRuntimeMessageInput)
         input.messageId
           ? `Include relayOfMessageId="${input.messageId}" in that message_send call.`
           : null,
+        input.taskRefs?.length
+          ? `If taskRefs are present in <opencode_delivery_context>, include taskRefs exactly as provided in that message_send call: ${JSON.stringify(input.taskRefs)}.`
+          : null,
+        'If message_send returns an unavailable, not connected, or missing-tool error, write the exact concise reply as plain assistant text once, then stop.',
         'After the message_send tool call succeeds, stop immediately. Do not send follow-up confirmations or repeat the same answer.',
         'You must not end this turn empty.',
         'Do not answer only with plain assistant text when agent-teams_message_send is available.',

src/main/services/team/stallMonitor/TeamTaskStallPolicy.ts

@@ -49,7 +49,7 @@ function getOpenWorkInterval(task: TeamTask): TaskWorkInterval | null {
   const intervals = task.workIntervals ?? [];
   for (let i = intervals.length - 1; i >= 0; i -= 1) {
     const interval = intervals[i];
-    if (!interval.completedAt) {
+    if (interval.completedAt === undefined) {
       return interval;
     }
   }

src/main/services/team/taskLogs/diagnostics/BoardTaskLogDiagnosticsService.ts

@@ -99,11 +99,12 @@ function isWithinWorkIntervals(timestamp: Date, intervals: TaskWorkInterval[]):
     if (!Number.isFinite(startedAt) || time < startedAt) {
       return false;
     }
-    if (!interval.completedAt) {
+    if (interval.completedAt === undefined) {
       return true;
     }
     const completedAt = Date.parse(interval.completedAt);
-    return !Number.isFinite(completedAt) || time <= completedAt;
+    const endMs = Number.isFinite(completedAt) ? Math.max(completedAt, startedAt) : startedAt;
+    return time <= endMs;
   });
 }
 

src/main/services/team/taskLogs/stream/BoardTaskLogStreamService.ts

@@ -1285,9 +1285,14 @@ function buildTaskTimeWindows(task: TeamTask, recordTimestamps: number[]): TimeW
       }
       const completedAt =
         typeof interval.completedAt === 'string' ? Date.parse(interval.completedAt) : Number.NaN;
+      const endMs =
+        interval.completedAt === undefined
+          ? null
+          : (Number.isFinite(completedAt) ? Math.max(completedAt, startedAt) : startedAt) +
+            INFERRED_WINDOW_GRACE_AFTER_MS;
       return {
         startMs: startedAt - INFERRED_WINDOW_GRACE_BEFORE_MS,
-        endMs: Number.isFinite(completedAt) ? completedAt + INFERRED_WINDOW_GRACE_AFTER_MS : null,
+        endMs,
       };
     })
     .filter((window): window is TimeWindow => window !== null);

src/main/services/team/taskLogs/stream/OpenCodeTaskLogStreamSource.ts

@@ -831,9 +831,14 @@ function buildTaskTimeWindows(task: TeamTask): TimeWindow[] {
       }
       const completedAt =
         typeof interval.completedAt === 'string' ? Date.parse(interval.completedAt) : Number.NaN;
+      const endMs =
+        interval.completedAt === undefined
+          ? null
+          : (Number.isFinite(completedAt) ? Math.max(completedAt, startedAt) : startedAt) +
+            WINDOW_GRACE_AFTER_MS;
       return {
         startMs: startedAt - WINDOW_GRACE_BEFORE_MS,
-        endMs: Number.isFinite(completedAt) ? completedAt + WINDOW_GRACE_AFTER_MS : null,
+        endMs,
       };
     })
     .filter((window): window is TimeWindow => window !== null);

src/main/services/team/teamTaskActiveState.ts

@@ -21,7 +21,7 @@ function getActiveWorkStartedAt(task: TeamTaskWithKanban): number {
   const workIntervals = task.workIntervals ?? [];
   for (let index = workIntervals.length - 1; index >= 0; index--) {
     const interval = workIntervals[index];
-    if (interval && !interval.completedAt) {
+    if (interval && interval.completedAt === undefined) {
       const startedAt = parseIsoTime(interval.startedAt);
       if (startedAt > 0) {
         return startedAt;

src/renderer/api/httpClient.ts

@@ -9,6 +9,7 @@
 import {
   createEmptyMemberLogPreviewResponse,
   createEmptyMemberLogStreamResponse,
+  createEmptyMemberRuntimeLogTailResponse,
 } from '@features/member-log-stream/contracts';
 
 import type {
@@ -271,6 +272,10 @@ export class HttpAPIClient implements ElectronAPI {
       console.warn('[HttpAPIClient] getMemberLogPreviews is not available in browser mode');
       return createEmptyMemberLogPreviewResponse();
     },
+    getMemberRuntimeLogTail: async (_teamName, _memberName, options) => {
+      console.warn('[HttpAPIClient] getMemberRuntimeLogTail is not available in browser mode');
+      return createEmptyMemberRuntimeLogTailResponse(options.kind);
+    },
     setMemberLogStreamTracking: async () => {
       // Not available in browser mode - no-op.
     },

src/renderer/components/team/members/MemberLogsTab.tsx

@@ -36,25 +36,47 @@ import type { MemberLogSummary } from '@shared/types';
 const CHUNK_GRACE_BEFORE_MS = 30_000; // 30s before startedAt
 const CHUNK_GRACE_AFTER_MS = 10_000; // 10s after completedAt
 
-function filterChunksByWorkIntervals(
+function getWorkIntervalWindow(
+  interval: { startedAt: string; completedAt?: string },
+  options: {
+    graceBeforeMs: number;
+    graceAfterMs: number;
+    nowMs: number;
+  }
+): { startMs: number; endMs: number } | null {
+  const startMs = Date.parse(interval.startedAt);
+  if (!Number.isFinite(startMs)) return null;
+  if (interval.completedAt === undefined) {
+    return {
+      startMs: startMs - options.graceBeforeMs,
+      endMs: options.nowMs + options.graceAfterMs,
+    };
+  }
+  const completedAtMs = Date.parse(interval.completedAt);
+  const endMs = Number.isFinite(completedAtMs) ? Math.max(completedAtMs, startMs) : startMs;
+  return {
+    startMs: startMs - options.graceBeforeMs,
+    endMs: endMs + options.graceAfterMs,
+  };
+}
+
+export function filterChunksByWorkIntervals(
   chunks: EnhancedChunk[] | null,
   intervals: { startedAt: string; completedAt?: string }[] | undefined
 ): EnhancedChunk[] | null {
   if (!chunks) return null;
   if (!intervals || intervals.length === 0) return chunks;
 
-  const now = Date.now();
+  const nowMs = Date.now();
   const parsed = intervals
-    .map((i) => {
-      const s = Date.parse(i.startedAt);
-      if (!Number.isFinite(s)) return null;
-      const e = typeof i.completedAt === 'string' ? Date.parse(i.completedAt) : null;
-      return {
-        startMs: s - CHUNK_GRACE_BEFORE_MS,
-        endMs: e != null && Number.isFinite(e) ? e + CHUNK_GRACE_AFTER_MS : null,
-      };
-    })
-    .filter((v): v is { startMs: number; endMs: number | null } => v !== null);
+    .map((interval) =>
+      getWorkIntervalWindow(interval, {
+        graceBeforeMs: CHUNK_GRACE_BEFORE_MS,
+        graceAfterMs: CHUNK_GRACE_AFTER_MS,
+        nowMs,
+      })
+    )
+    .filter((v): v is { startMs: number; endMs: number } => v !== null);
 
   if (parsed.length === 0) return chunks;
 
@@ -62,10 +84,7 @@ function filterChunksByWorkIntervals(
     const cs = chunk.startTime.getTime();
     const ce = chunk.endTime.getTime();
     if (!Number.isFinite(cs) || !Number.isFinite(ce)) return true;
-    return parsed.some((i) => {
-      const end = i.endMs ?? now;
-      return cs <= end && ce >= i.startMs;
-    });
+    return parsed.some((i) => cs <= i.endMs && ce >= i.startMs);
   });
   return filtered;
 }
@@ -215,13 +234,14 @@ export const MemberLogsTab = ({
 
       let totalOverlap = 0;
       for (const interval of taskWorkIntervals) {
-        const intStart = Date.parse(interval.startedAt);
-        if (!Number.isFinite(intStart)) continue;
-        const intEnd =
-          typeof interval.completedAt === 'string' ? Date.parse(interval.completedAt) : nowMs;
-        if (!Number.isFinite(intEnd)) continue;
-        const overlapStart = Math.max(logStartMs, intStart);
-        const overlapEnd = Math.min(logEndMs, intEnd);
+        const window = getWorkIntervalWindow(interval, {
+          graceBeforeMs: 0,
+          graceAfterMs: 0,
+          nowMs,
+        });
+        if (!window) continue;
+        const overlapStart = Math.max(logStartMs, window.startMs);
+        const overlapEnd = Math.min(logEndMs, window.endMs);
         if (overlapEnd > overlapStart) totalOverlap += overlapEnd - overlapStart;
       }
       return totalOverlap;
@@ -294,17 +314,15 @@ export const MemberLogsTab = ({
       ) {
         const GRACE_BEFORE = 30_000;
         const GRACE_AFTER = 15_000;
-        const now = Date.now();
+        const nowMs = Date.now();
         const intervals = taskWorkIntervals
-          .map((i) => {
-            const s = Date.parse(i.startedAt);
-            if (!Number.isFinite(s)) return null;
-            const e = typeof i.completedAt === 'string' ? Date.parse(i.completedAt) : null;
-            return {
-              startMs: s - GRACE_BEFORE,
-              endMs: e != null && Number.isFinite(e) ? e + GRACE_AFTER : now + GRACE_AFTER,
-            };
-          })
+          .map((interval) =>
+            getWorkIntervalWindow(interval, {
+              graceBeforeMs: GRACE_BEFORE,
+              graceAfterMs: GRACE_AFTER,
+              nowMs,
+            })
+          )
           .filter((v): v is { startMs: number; endMs: number } => v !== null);
 
         if (intervals.length > 0) {

src/renderer/components/team/messages/MessageComposer.tsx

@@ -664,7 +664,7 @@ export const MessageComposer = ({
               className={cn(
                 'mr-[15px] inline-flex items-center border text-xs transition-colors',
                 shouldDockRecipientSelector
-                  ? 'relative z-10 -mb-px overflow-hidden rounded-b-none rounded-t-[1.35rem] border-b-0 bg-[var(--color-surface-raised)]'
+                  ? 'relative z-[1] -mb-px overflow-hidden rounded-b-none rounded-t-[1.35rem] border-b-0 bg-[var(--color-surface-raised)]'
                   : 'rounded-full',
                 isCrossTeam ? 'border-[var(--cross-team-border)]' : 'border-[var(--color-border)]'
               )}
@@ -948,7 +948,7 @@ export const MessageComposer = ({
         ) : null}
       </div>
 
-      <div className="relative">
+      <div className={cn('relative', shouldDockRecipientSelector && 'z-[2]')}>
         <DropZoneOverlay
           active={isDragOver}
           rejected={!canAttach}

src/renderer/utils/memberActivityTimer.ts

@@ -255,7 +255,7 @@ export function deriveWorkActivityTimerAnchor(
   for (let index = intervals.length - 1; index >= 0; index -= 1) {
     const interval = intervals[index];
     const startedAtMs = parseIsoMs(interval?.startedAt);
-    if (startedAtMs > 0 && !interval?.completedAt) {
+    if (startedAtMs > 0 && interval?.completedAt === undefined) {
       for (let previousIndex = 0; previousIndex < index; previousIndex += 1) {
         const previous = intervals[previousIndex];
         const previousStartedAtMs = parseIsoMs(previous?.startedAt);
@@ -335,7 +335,10 @@ export function deriveReviewActivityTimerAnchor(
   const reviewIntervals = Array.isArray(task.reviewIntervals) ? task.reviewIntervals : [];
   for (let index = reviewIntervals.length - 1; index >= 0; index -= 1) {
     const interval = reviewIntervals[index];
-    if (normalizeMemberName(interval?.reviewer) !== memberKey || interval?.completedAt) {
+    if (
+      normalizeMemberName(interval?.reviewer) !== memberKey ||
+      interval?.completedAt !== undefined
+    ) {
       continue;
     }
     const startedAtMs = parseIsoMs(interval.startedAt);

src/renderer/utils/memberHelpers.ts

@@ -362,6 +362,15 @@ function formatRuntimeAdvisoryDisplayMessage(message: string | undefined): strin
   ) {
     return 'OpenCode created a reply without the required relayOfMessageId correlation.';
   }
+  if (trimmed === 'visible_reply_missing_task_refs') {
+    return 'OpenCode created a reply without the required taskRefs metadata.';
+  }
+  if (trimmed === 'visible_reply_missing_task_refs_after_merge') {
+    return 'OpenCode created a reply without the required taskRefs metadata.';
+  }
+  if (trimmed === 'visible_reply_task_refs_merge_failed') {
+    return 'OpenCode created a reply without the required taskRefs metadata, and the app could not attach it automatically.';
+  }
   if (trimmed === 'non_visible_tool_without_task_progress') {
     return 'OpenCode used tools, but did not create a visible reply or task progress proof.';
   }

src/renderer/utils/openCodeRuntimeDeliveryDiagnostics.ts

@@ -46,6 +46,15 @@ function formatOpenCodeRuntimeDeliveryFailureReason(reason: string | null | unde
   ) {
     return 'OpenCode created a reply without the required relayOfMessageId correlation.';
   }
+  if (normalized === 'visible_reply_missing_task_refs') {
+    return 'OpenCode created a reply without the required taskRefs metadata.';
+  }
+  if (normalized === 'visible_reply_missing_task_refs_after_merge') {
+    return 'OpenCode created a reply without the required taskRefs metadata.';
+  }
+  if (normalized === 'visible_reply_task_refs_merge_failed') {
+    return 'OpenCode created a reply without the required taskRefs metadata, and the app could not attach it automatically.';
+  }
   if (normalized === 'non_visible_tool_without_task_progress') {
     return 'OpenCode used tools, but did not create a visible reply or task progress proof.';
   }

src/shared/utils/taskWorkDuration.ts

@@ -63,7 +63,7 @@ export function calculateTaskImplementationDuration<TInterval extends TaskWorkDu
       continue;
     }
 
-    if (!interval?.completedAt && task.status === 'in_progress' && nowMs > startMs) {
+    if (interval?.completedAt === undefined && task.status === 'in_progress' && nowMs > startMs) {
       windows.push({ startMs, endMs: nowMs });
       hasRunningInterval = true;
     }
@@ -130,7 +130,12 @@ export function calculateTaskImplementationEventDuration<
 
   for (const interval of task.workIntervals) {
     const startMs = parseIsoMs(interval?.startedAt);
-    if (startMs > 0 && !interval?.completedAt && nowMs > startMs && isNearTime(startMs, eventMs)) {
+    if (
+      startMs > 0 &&
+      interval?.completedAt === undefined &&
+      nowMs > startMs &&
+      isNearTime(startMs, eventMs)
+    ) {
       return { elapsedMs: nowMs - startMs, running: true };
     }
   }

test-results/opencode-semantic-model-gauntlet/model-gauntlet-results.md

@@ -1,6 +1,6 @@
 # OpenCode Model Gauntlet Results
 
-Generated: 2026-05-08T18:34:37.950Z
+Generated: 2026-05-08T21:13:58.089Z
 
 Runs per model: 1
 Recommended threshold: average >= 80, successful runs >= 1, consistency >= 85, hard failures = 0
@@ -13,25 +13,25 @@ Scoring weights: launchBootstrap=15, directReply=10, peerRelayAB=15, peerRelayBC
 
 | Model | Verdict | Confidence | Readiness | Consistency | Score Spread | Behavior Avg | Overall Avg | Counted | Pass Runs | Weakest Stage | Weakest TaskRef | Dominant Failure | Blockers | Provider Infra | Runtime Transport | Model Fails | Protocol Runs | p50 | p95 |
 | --- | --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | --- | --- | --- | --- | ---: | ---: | ---: | ---: | ---: | ---: |
-| `opencode/big-pickle` | Tested only | low | 73 | 100 | 0 | 90 | 90 | 1/1 | 0/1 | taskRefs 0/1 (0%) | concurrentBob 0/1 (0%) | model-behavior | successful runs 0 < 1; hard failures 1; model-behavior failures 1; highest weighted stage loss taskRefs=10; weakest taskRefs concurrentBob=0/1 (0%) | 0 | 0 | 1 | 0 | 124249ms | 124249ms |
+| `opencode/big-pickle` | Infra blocked | blocked | 0 | 0 | 0 | n/a | 70 | 0/1 | 0/1 | concurrentReplies 0/1 (0%) | concurrentBob 0/1 (0%) | provider-infra | overall average 70 < 80; successful runs 0 < 1; consistency score 0 < 85; provider-infra failures 1; highest weighted stage loss concurrentReplies=15; weakest taskRefs concurrentBob=0/1 (0%); protocol violations in 1 runs | 1 | 0 | 0 | 1 | 281016ms | 281016ms |
 
 ## opencode/big-pickle
 
-Readiness score: 73.
+Readiness score: 0.
 
-Score stability: consistency=100, min=90, max=90, spread=0, stdDev=0, samples=1.
+Score stability: n/a.
 
-Recommendation blockers: successful runs 0 < 1; hard failures 1; model-behavior failures 1; highest weighted stage loss taskRefs=10; weakest taskRefs concurrentBob=0/1 (0%).
+Recommendation blockers: overall average 70 < 80; successful runs 0 < 1; consistency score 0 < 85; provider-infra failures 1; highest weighted stage loss concurrentReplies=15; weakest taskRefs concurrentBob=0/1 (0%); protocol violations in 1 runs.
 
-Weighted stage impact: taskRefs:loss=10, failed=1, pass=0/1 (0%).
+Weighted stage impact: concurrentReplies:loss=15, failed=1, pass=0/1 (0%); taskRefs:loss=10, failed=1, pass=0/1 (0%); noDuplicateTokens:loss=5, failed=1, pass=0/1 (0%).
 
-Stage pass rates: launchBootstrap:1/1 (100%), directReply:1/1 (100%), peerRelayAB:1/1 (100%), peerRelayBC:1/1 (100%), concurrentReplies:1/1 (100%), taskRefs:0/1 (0%), cleanTranscript:1/1 (100%), noDuplicateTokens:1/1 (100%), latencyStable:1/1 (100%).
+Stage pass rates: launchBootstrap:1/1 (100%), directReply:1/1 (100%), peerRelayAB:1/1 (100%), peerRelayBC:1/1 (100%), concurrentReplies:0/1 (0%), taskRefs:0/1 (0%), cleanTranscript:1/1 (100%), noDuplicateTokens:0/1 (0%), latencyStable:1/1 (100%).
 
 TaskRef pass rates: directReply:1/1 (100%), peerRelayAB:1/1 (100%), peerRelayBC:1/1 (100%), concurrentBob:0/1 (0%), concurrentTom:1/1 (100%).
 
-Protocol totals: badMessages=0, duplicateOrMissingTokens=0, affectedRuns=0.
+Protocol totals: badMessages=0, duplicateOrMissingTokens=2, affectedRuns=1.
 
 | Run | Outcome | Category | Score | Counted | Duration | Failed Stages | Slowest Stage | TaskRefs | Protocol | Diagnostics |
 | ---: | --- | --- | ---: | --- | ---: | --- | --- | --- | --- | --- |
-| 1 | behavioral-fail | model-behavior | 90 | yes | 124249ms | taskRefs | peerRelayAB:27950ms | directReply:ok, peerRelayAB:ok, peerRelayBC:ok, concurrentBob:fail, concurrentTom:ok | - | runId=34e07fb0-df87-4419-be0c-0f5386847b23 |
+| 1 | provider-infra-blocked | provider-infra | 70 | no | 281016ms | concurrentReplies, taskRefs, noDuplicateTokens | concurrentReplies:189928ms | directReply:ok, peerRelayAB:ok, peerRelayBC:ok, concurrentBob:fail, concurrentTom:ok | token=GAUNTLET_CONCURRENT_BOB_OK_1+GAUNTLET_CONCURRENT_TOM_OK_1 | concurrentBob: Timed out waiting for OpenCode reply in /var/folders/7b/ydmc_b0n251bc4hss4tz8y880000gn/T/opencode-semantic-gauntlet-ZwZPyq/.claude/teams/opencode-semantic-realistic-gauntlet-opencode-big-pickle-1778274838090-1/inboxes/user.js |
 

test/main/ipc/teams.test.ts

@@ -312,6 +312,7 @@ describe('ipc teams handlers', () => {
     getAliveTeams: vi.fn(() => ['my-team']),
     getLeadActivityState: vi.fn(() => 'idle'),
     stopTeam: vi.fn(() => Promise.resolve()),
+    repairStaleTaskActivityIntervalsBeforeSnapshot: vi.fn(() => Promise.resolve(undefined)),
     reattachOpenCodeOwnedMemberLane: vi.fn(async () => undefined),
     detachOpenCodeOwnedMemberLane: vi.fn(async () => undefined),
   };
@@ -369,6 +370,8 @@ describe('ipc teams handlers', () => {
     mockTeamDataWorkerClient.invalidateTeamMessageFeed.mockReset();
     provisioningService.resolveRuntimeRecipientProviderId.mockReset();
     provisioningService.resolveRuntimeRecipientProviderId.mockResolvedValue(undefined);
+    provisioningService.repairStaleTaskActivityIntervalsBeforeSnapshot.mockReset();
+    provisioningService.repairStaleTaskActivityIntervalsBeforeSnapshot.mockResolvedValue(undefined);
     launchIoGovernor = new LaunchIoGovernor({ quietWindowMs: 100 });
     initializeTeamHandlers(
       service as never,
@@ -1377,6 +1380,32 @@ describe('ipc teams handlers', () => {
     expect(service.getTeamData).not.toHaveBeenCalled();
   });
 
+  it('repairs stale task activity before reading TEAM_GET_DATA through the worker', async () => {
+    mockTeamDataWorkerClient.isAvailable.mockReturnValue(true);
+    mockTeamDataWorkerClient.getTeamData.mockResolvedValueOnce({
+      teamName: 'my-team',
+      config: { name: 'My Team' },
+      tasks: [],
+      members: [],
+      kanbanState: { teamName: 'my-team', reviewers: [], tasks: {} },
+      processes: [],
+    });
+
+    const handler = handlers.get(TEAM_GET_DATA)!;
+    const result = (await handler({} as never, 'my-team')) as {
+      success: boolean;
+      data?: { teamName: string };
+    };
+
+    expect(result.success).toBe(true);
+    expect(provisioningService.repairStaleTaskActivityIntervalsBeforeSnapshot).toHaveBeenCalledWith(
+      'my-team'
+    );
+    expect(
+      provisioningService.repairStaleTaskActivityIntervalsBeforeSnapshot.mock.invocationCallOrder[0]
+    ).toBeLessThan(mockTeamDataWorkerClient.getTeamData.mock.invocationCallOrder[0]);
+  });
+
   it('normalizes explicit full TEAM_GET_DATA options to the existing one-argument call shape', async () => {
     mockTeamDataWorkerClient.isAvailable.mockReturnValue(true);
     mockTeamDataWorkerClient.getTeamData.mockResolvedValueOnce({

test/main/services/team/OpenCodeProductionPromptArtifacts.safe-e2e.test.ts

@@ -126,6 +126,7 @@ describe('OpenCode production prompt artifacts safe e2e', () => {
     expect(directCommand?.text).toContain('Include relayOfMessageId="semantic-direct-');
     expect(directCommand?.text).toContain('Action mode for this message: ask.');
     expect(directCommand?.text).toContain('You must not end this turn empty.');
+    expect(directCommand?.text).toContain('include taskRefs exactly as provided');
     expect(directCommand?.text).toContain('"displayId":"59560c95"');
     expect(directCommand?.text).toContain('Do not use SendMessage or runtime_deliver_message');
     expect(directCommand?.text).toContain('never use #00000000');
@@ -143,12 +144,7 @@ describe('OpenCode production prompt artifacts safe e2e', () => {
 
     if (process.env.OPENCODE_E2E_DUMP_PROMPTS === '1') {
       await dumpOpenCodePromptArtifacts({
-        outputDir: path.join(
-          process.cwd(),
-          'test-results',
-          'opencode-semantic-prompts',
-          teamName
-        ),
+        outputDir: path.join(process.cwd(), 'test-results', 'opencode-semantic-prompts', teamName),
         launchInput: launchInput!,
         launchCommand: launchCommand!,
         messageCommands: bridgeCapture.messageCommands,

test/main/services/team/OpenCodePromptDeliveryLedger.test.ts

@@ -267,6 +267,36 @@ describe('OpenCodePromptDeliveryLedger', () => {
     ).toBe(true);
   });
 
+  it('preserves missing taskRefs as the pending reason for insufficient destination proof', async () => {
+    const store = createStore();
+    const record = await store.ensurePending({
+      teamName: 'team-a',
+      memberName: 'jack',
+      laneId: 'secondary:opencode:jack',
+      inboxMessageId: 'msg-taskrefs',
+      inboxTimestamp: '2026-04-25T09:59:00.000Z',
+      source: 'watcher',
+      replyRecipient: 'user',
+      payloadHash: 'sha256:taskrefs',
+      now: '2026-04-25T10:00:00.000Z',
+    });
+
+    const missingTaskRefs = await store.applyDestinationProof({
+      id: record.id,
+      visibleReplyInbox: 'user',
+      visibleReplyMessageId: 'reply-taskrefs',
+      visibleReplyCorrelation: 'relayOfMessageId',
+      semanticallySufficient: false,
+      diagnostics: ['visible_reply_missing_task_refs_after_merge'],
+      observedAt: '2026-04-25T10:00:01.000Z',
+    });
+
+    expect(missingTaskRefs.status).toBe('pending');
+    expect(missingTaskRefs.responseState).toBe('responded_visible_message');
+    expect(missingTaskRefs.lastReason).toBe('visible_reply_missing_task_refs');
+    expect(missingTaskRefs.diagnostics).toContain('visible_reply_missing_task_refs_after_merge');
+  });
+
   it('records empty assistant delivery results as unanswered and stores plain text previews', async () => {
     const store = createStore();
     const unanswered = await store.ensurePending({

test/main/services/team/OpenCodePromptDeliveryRepairPolicy.test.ts

@@ -58,6 +58,25 @@ describe('OpenCodePromptDeliveryRepairPolicy', () => {
     expect(decision.controlText).not.toContain('reportToken=');
   });
 
+  it('repairs visible replies that missed required taskRefs with exact metadata', () => {
+    const taskRef = { taskId: 'task-refs-1', displayId: 'refs-1', teamName: 'team-a' };
+    const decision = decideOpenCodePromptDeliveryRepair(
+      base({
+        taskRefs: [taskRef],
+        responseState: 'responded_visible_message',
+        pendingReason: 'visible_reply_missing_task_refs',
+        visibleReplyFound: true,
+      })
+    );
+
+    expect(decision.kind).toBe('missing_visible_reply_correlation');
+    expect(decision.retryable).toBe(true);
+    expect(decision.controlText).toContain('relayOfMessageId="msg-1"');
+    expect(decision.controlText).toContain(
+      `Include taskRefs exactly as this JSON array: ${JSON.stringify([taskRef])}.`
+    );
+  });
+
   it('does not repair terminal, permission, or session failures', () => {
     expect(
       decideOpenCodePromptDeliveryRepair(

test/main/services/team/OpenCodeReadinessBridge.test.ts

@@ -137,6 +137,70 @@ describe('OpenCodeReadinessBridge', () => {
     );
   });
 
+  it('gives observeMessageDelivery enough time for OpenCode plain-text fallback reconciliation', async () => {
+    const executor = fakeExecutor(
+      bridgeCommandSuccess({
+        command: 'opencode.observeMessageDelivery',
+        requestId: 'observe-req-1',
+        data: {
+          observed: true,
+          memberName: 'tom',
+          sessionId: 'session-tom',
+          diagnostics: [],
+          responseObservation: {
+            state: 'responded_plain_text',
+            deliveredUserMessageId: 'user-message-1',
+            assistantMessageId: 'assistant-message-1',
+            toolCallNames: ['message_send'],
+            visibleMessageToolCallId: null,
+            visibleReplyMessageId: null,
+            visibleReplyCorrelation: 'plain_assistant_text',
+            latestAssistantPreview: 'GAUNTLET_CONCURRENT_TOM_OK_1',
+            reason: 'assistant_replied_with_plain_text',
+          },
+        },
+      })
+    );
+    const bridge = new OpenCodeReadinessBridge(executor);
+
+    await expect(
+      bridge.observeOpenCodeTeamMessageDelivery({
+        teamId: 'team-a',
+        teamName: 'team-a',
+        laneId: 'primary',
+        runId: 'run-1',
+        projectPath: '/repo',
+        memberName: 'tom',
+        messageId: 'gauntlet-concurrent-tom-1',
+        prePromptCursor: 'cursor-before',
+      })
+    ).resolves.toMatchObject({
+      observed: true,
+      responseObservation: {
+        state: 'responded_plain_text',
+        latestAssistantPreview: 'GAUNTLET_CONCURRENT_TOM_OK_1',
+      },
+    });
+
+    expect(executor.execute).toHaveBeenCalledWith(
+      'opencode.observeMessageDelivery',
+      {
+        teamId: 'team-a',
+        teamName: 'team-a',
+        laneId: 'primary',
+        runId: 'run-1',
+        projectPath: '/repo',
+        memberName: 'tom',
+        messageId: 'gauntlet-concurrent-tom-1',
+        prePromptCursor: 'cursor-before',
+      },
+      {
+        cwd: '/repo',
+        timeoutMs: 20_000,
+      }
+    );
+  });
+
   it('executes OpenCode task ledger backfill through a direct read-only bridge command', async () => {
     const executor = fakeExecutor(
       bridgeCommandSuccess({

test/main/services/team/OpenCodeRuntimeDeliveryDiagnostics.test.ts

@@ -44,4 +44,30 @@ describe('OpenCodeRuntimeDeliveryDiagnostics', () => {
       'OpenCode used tools, but did not create a visible reply or task progress proof.'
     );
   });
+
+  it('formats visible replies missing taskRefs without exposing the internal reason code', () => {
+    const record = {
+      diagnostics: ['visible_reply_missing_task_refs'],
+      lastReason: 'visible_reply_missing_task_refs',
+      responseState: 'responded_visible_message',
+      status: 'failed_terminal',
+    } as Parameters<typeof selectOpenCodeRuntimeDeliveryReason>[0];
+
+    expect(selectOpenCodeRuntimeDeliveryReason(record)).toBe(
+      'OpenCode created a reply without the required taskRefs metadata.'
+    );
+  });
+
+  it('formats taskRefs merge verification failures without exposing internal diagnostics', () => {
+    const record = {
+      diagnostics: ['visible_reply_missing_task_refs_after_merge'],
+      lastReason: 'visible_reply_ack_only_still_requires_answer',
+      responseState: 'responded_visible_message',
+      status: 'failed_terminal',
+    } as Parameters<typeof selectOpenCodeRuntimeDeliveryReason>[0];
+
+    expect(selectOpenCodeRuntimeDeliveryReason(record)).toBe(
+      'OpenCode created a reply without the required taskRefs metadata.'
+    );
+  });
 });

test/main/services/team/OpenCodeTeamRuntimeAdapter.test.ts

@@ -536,7 +536,7 @@ describe('OpenCodeTeamRuntimeAdapter', () => {
     expect(sentText).toContain('<opencode_delivery_context>');
     expect(sentText).toContain('"kind":"opencode-delivery-context"');
     expect(sentText).toContain('"inboundMessageId":"msg-1"');
-    expect(sentText).not.toContain('include taskRefs exactly');
+    expect(sentText).toContain('include taskRefs exactly as provided');
     expect(sentText).not.toContain('The inbound app messageId is');
     expect(sentText).toContain('Do not use SendMessage or runtime_deliver_message');
     expect(sentText).toContain('never use #00000000');

test/main/services/team/TeamAgentLaunchMatrix.safe-e2e.test.ts

@@ -48,7 +48,7 @@ import {
   RuntimeStoreBatchWriter,
 } from '../../../../src/main/services/team/opencode/store/RuntimeStoreManifest';
 
-import type { TeamProvisioningProgress } from '../../../../src/shared/types';
+import type { InboxMessage, TaskRef, TeamProvisioningProgress } from '../../../../src/shared/types';
 
 const LAUNCH_MATRIX_SAFE_E2E_TIMEOUT_MS = 60_000;
 
@@ -10539,6 +10539,126 @@ describe('Team agent launch matrix safe e2e', () => {
     });
   });
 
+  it('inherits OpenCode runtime delivery taskRefs end-to-end when the visible reply omits them', async () => {
+    const teamName = 'pure-opencode-runtime-delivery-taskrefs-inherit-safe-e2e';
+    const taskRef: TaskRef = {
+      teamName,
+      taskId: 'task-runtime-delivery-1',
+      displayId: 'abcd1234',
+    };
+    const adapter = new VisibleReplyOpenCodeRuntimeAdapter({
+      replySource: 'runtime_delivery',
+    });
+    const svc = new TeamProvisioningService();
+    svc.setRuntimeAdapterRegistry(new TeamRuntimeAdapterRegistry([adapter]));
+    const launch = await svc.createTeam(
+      {
+        teamName,
+        cwd: projectPath,
+        providerId: 'opencode',
+        model: 'opencode/big-pickle',
+        skipPermissions: true,
+        members: [{ name: 'alice', role: 'Developer', providerId: 'opencode' }],
+      },
+      () => undefined
+    );
+
+    await expect(
+      svc.deliverOpenCodeMemberMessage(teamName, {
+        memberName: 'alice',
+        text: 'reply about #abcd1234 without manually carrying metadata',
+        messageId: 'msg-taskrefs-inherit-e2e',
+        replyRecipient: 'user',
+        actionMode: 'ask',
+        source: 'manual',
+        taskRefs: [taskRef],
+      })
+    ).resolves.toMatchObject({
+      delivered: true,
+      accepted: true,
+      responsePending: false,
+      responseState: 'responded_visible_message',
+      ledgerStatus: 'responded',
+      visibleReplyMessageId: 'reply-msg-taskrefs-inherit-e2e',
+      visibleReplyCorrelation: 'relayOfMessageId',
+    });
+
+    expect(adapter.messageInputs).toHaveLength(1);
+    expect(adapter.messageInputs[0]).toMatchObject({
+      runId: launch.runId,
+      teamName,
+      laneId: 'primary',
+      memberName: 'alice',
+      messageId: 'msg-taskrefs-inherit-e2e',
+      taskRefs: [taskRef],
+    });
+
+    const userInbox = await readInboxRows(teamName, 'user');
+    expect(userInbox).toHaveLength(1);
+    expect(userInbox[0]).toMatchObject({
+      from: 'alice',
+      to: 'user',
+      source: 'runtime_delivery',
+      messageId: 'reply-msg-taskrefs-inherit-e2e',
+      relayOfMessageId: 'msg-taskrefs-inherit-e2e',
+      taskRefs: [taskRef],
+    });
+  });
+
+  it('does not attach taskRefs end-to-end to explicit non-runtime visible replies', async () => {
+    const teamName = 'pure-opencode-runtime-delivery-taskrefs-non-runtime-safe-e2e';
+    const taskRef: TaskRef = {
+      teamName,
+      taskId: 'task-runtime-delivery-2',
+      displayId: 'dcba4321',
+    };
+    const adapter = new VisibleReplyOpenCodeRuntimeAdapter({
+      replySource: 'lead_process',
+    });
+    const svc = new TeamProvisioningService();
+    svc.setRuntimeAdapterRegistry(new TeamRuntimeAdapterRegistry([adapter]));
+    await svc.createTeam(
+      {
+        teamName,
+        cwd: projectPath,
+        providerId: 'opencode',
+        model: 'opencode/big-pickle',
+        skipPermissions: true,
+        members: [{ name: 'alice', role: 'Developer', providerId: 'opencode' }],
+      },
+      () => undefined
+    );
+
+    await expect(
+      svc.deliverOpenCodeMemberMessage(teamName, {
+        memberName: 'alice',
+        text: 'this reply has a misleading non-runtime source',
+        messageId: 'msg-taskrefs-non-runtime-e2e',
+        replyRecipient: 'user',
+        actionMode: 'ask',
+        source: 'manual',
+        taskRefs: [taskRef],
+      })
+    ).resolves.toMatchObject({
+      delivered: true,
+      accepted: true,
+      responsePending: true,
+      responseState: 'responded_visible_message',
+      reason: 'visible_reply_missing_task_refs',
+    });
+
+    const userInbox = await readInboxRows(teamName, 'user');
+    expect(userInbox).toHaveLength(1);
+    expect(userInbox[0]).toMatchObject({
+      from: 'alice',
+      to: 'user',
+      source: 'lead_process',
+      messageId: 'reply-msg-taskrefs-non-runtime-e2e',
+      relayOfMessageId: 'msg-taskrefs-non-runtime-e2e',
+    });
+    expect(userInbox[0]?.taskRefs).toBeUndefined();
+  });
+
   it('delivers direct OpenCode member messages to recovered pure OpenCode lanes after service restart', async () => {
     const teamName = 'pure-opencode-direct-message-recovered-lane-safe-e2e';
     const launchAdapter = new FakeOpenCodeRuntimeAdapter();
@@ -17111,6 +17231,58 @@ class FakeOpenCodeRuntimeAdapter implements TeamLaunchRuntimeAdapter {
   }
 }
 
+class VisibleReplyOpenCodeRuntimeAdapter extends FakeOpenCodeRuntimeAdapter {
+  constructor(private readonly options: { replySource: InboxMessage['source'] }) {
+    super();
+  }
+
+  override async sendMessageToMember(
+    input: OpenCodeTeamRuntimeMessageInput
+  ): Promise<OpenCodeTeamRuntimeMessageResult> {
+    const result = await super.sendMessageToMember(input);
+    const relayOfMessageId = input.messageId?.trim() || `message-${this.messageInputs.length}`;
+    const replyRecipient = input.replyRecipient?.trim() || 'user';
+    const replyMessageId = `reply-${relayOfMessageId}`;
+    const inboxPath = path.join(
+      getTeamsBasePath(),
+      input.teamName,
+      'inboxes',
+      `${replyRecipient}.json`
+    );
+    const rows: InboxMessage[] = await readInboxRows(input.teamName, replyRecipient).catch(
+      () => []
+    );
+    rows.push({
+      from: input.memberName,
+      to: replyRecipient,
+      text: `Visible reply for ${relayOfMessageId}`,
+      summary: 'visible reply',
+      timestamp: '2026-05-08T10:00:00.000Z',
+      read: false,
+      messageId: replyMessageId,
+      relayOfMessageId,
+      source: this.options.replySource,
+    });
+    await fs.mkdir(path.dirname(inboxPath), { recursive: true });
+    await fs.writeFile(inboxPath, `${JSON.stringify(rows, null, 2)}\n`, 'utf8');
+
+    return {
+      ...result,
+      responseObservation: {
+        state: 'responded_visible_message',
+        deliveredUserMessageId: `delivered-${relayOfMessageId}`,
+        assistantMessageId: `assistant-${relayOfMessageId}`,
+        toolCallNames: ['message_send'],
+        visibleMessageToolCallId: `call-${relayOfMessageId}`,
+        visibleReplyMessageId: replyMessageId,
+        visibleReplyCorrelation: 'relayOfMessageId',
+        latestAssistantPreview: null,
+        reason: 'visible_message_sent',
+      },
+    };
+  }
+}
+
 class BootstrapCheckingOpenCodeRuntimeAdapter extends FakeOpenCodeRuntimeAdapter {
   readonly bootstrapCheckins: { memberName: string; runId: string; state: string }[] = [];
 
@@ -18380,6 +18552,13 @@ function getMixedPrimaryFixture(providerId: MixedPrimaryProviderId = 'codex'): {
   };
 }
 
+async function readInboxRows(teamName: string, inboxName: string): Promise<InboxMessage[]> {
+  const inboxPath = path.join(getTeamsBasePath(), teamName, 'inboxes', `${inboxName}.json`);
+  const raw = await fs.readFile(inboxPath, 'utf8');
+  const parsed = JSON.parse(raw) as unknown;
+  return Array.isArray(parsed) ? (parsed as InboxMessage[]) : [];
+}
+
 async function writeTeamMeta(
   teamName: string,
   projectPath: string,

test/main/services/team/TeamInboxWriter.test.ts

@@ -221,6 +221,147 @@ describe('TeamInboxWriter', () => {
     });
   });
 
+  it('merges taskRefs when deduplicating repeated runtime delivery replies', async () => {
+    const taskRef = { taskId: 'task-1', displayId: 'abcd1234', teamName: 'my-team' };
+    const first = await writer.sendMessage('my-team', {
+      member: 'user',
+      from: 'alice',
+      to: 'user',
+      text: 'Готово по задаче.',
+      source: 'runtime_delivery',
+      relayOfMessageId: 'inbound-task-1',
+    });
+    const second = await writer.sendMessage('my-team', {
+      member: 'user',
+      from: 'alice',
+      to: 'user',
+      text: ' Готово   по задаче. ',
+      source: 'runtime_delivery',
+      relayOfMessageId: 'inbound-task-1',
+      taskRefs: [taskRef],
+    });
+
+    const userInboxPath = '/mock/teams/my-team/inboxes/user.json';
+    const persisted = JSON.parse(hoisted.files.get(userInboxPath) ?? '[]') as Record<
+      string,
+      unknown
+    >[];
+    expect(second).toMatchObject({
+      deliveredToInbox: true,
+      deduplicated: true,
+      messageId: first.messageId,
+    });
+    expect(persisted).toHaveLength(1);
+    expect(persisted[0].taskRefs).toEqual([taskRef]);
+  });
+
+  it('merges taskRefs into an exact runtime delivery reply row', async () => {
+    const taskRef = { taskId: 'task-1', displayId: 'abcd1234', teamName: 'my-team' };
+    const written = await writer.sendMessage('my-team', {
+      member: 'user',
+      from: 'alice',
+      to: 'user',
+      text: 'Готово по задаче.',
+      source: 'runtime_delivery',
+      relayOfMessageId: 'inbound-task-1',
+      messageId: 'reply-1',
+    });
+
+    const result = await writer.mergeRuntimeDeliveryTaskRefs('my-team', {
+      inboxName: 'user',
+      messageId: written.messageId,
+      relayOfMessageId: 'inbound-task-1',
+      from: 'alice',
+      taskRefs: [taskRef],
+    });
+
+    const userInboxPath = '/mock/teams/my-team/inboxes/user.json';
+    const persisted = JSON.parse(hoisted.files.get(userInboxPath) ?? '[]') as Record<
+      string,
+      unknown
+    >[];
+    expect(result).toMatchObject({
+      found: true,
+      updated: true,
+      message: {
+        messageId: 'reply-1',
+        taskRefs: [taskRef],
+      },
+    });
+    expect(persisted).toHaveLength(1);
+    expect(persisted[0].taskRefs).toEqual([taskRef]);
+  });
+
+  it('does not merge taskRefs into explicit non-runtime reply rows', async () => {
+    const taskRef = { taskId: 'task-1', displayId: 'abcd1234', teamName: 'my-team' };
+    await writer.sendMessage('my-team', {
+      member: 'user',
+      from: 'alice',
+      to: 'user',
+      text: 'Lead process reply.',
+      source: 'lead_process',
+      relayOfMessageId: 'inbound-task-1',
+      messageId: 'reply-1',
+    });
+
+    const result = await writer.mergeRuntimeDeliveryTaskRefs('my-team', {
+      inboxName: 'user',
+      messageId: 'reply-1',
+      relayOfMessageId: 'inbound-task-1',
+      from: 'alice',
+      taskRefs: [taskRef],
+    });
+
+    const userInboxPath = '/mock/teams/my-team/inboxes/user.json';
+    const persisted = JSON.parse(hoisted.files.get(userInboxPath) ?? '[]') as Record<
+      string,
+      unknown
+    >[];
+    expect(result).toEqual({ found: false, updated: false });
+    expect(persisted[0]).not.toHaveProperty('taskRefs');
+  });
+
+  it('repairs relayOfMessageId on a runtime delivery reply matched by messageId', async () => {
+    const taskRef = { taskId: 'task-1', displayId: 'abcd1234', teamName: 'my-team' };
+    await writer.sendMessage('my-team', {
+      member: 'user',
+      from: 'alice',
+      to: 'user',
+      text: 'Visible answer.',
+      source: 'runtime_delivery',
+      relayOfMessageId: 'hallucinated-inbound-id',
+      messageId: 'reply-1',
+    });
+
+    const result = await writer.correlateRuntimeDeliveryReply('my-team', {
+      inboxName: 'user',
+      messageId: 'reply-1',
+      relayOfMessageId: 'real-inbound-id',
+      from: 'alice',
+      taskRefs: [taskRef],
+    });
+
+    const userInboxPath = '/mock/teams/my-team/inboxes/user.json';
+    const persisted = JSON.parse(hoisted.files.get(userInboxPath) ?? '[]') as Record<
+      string,
+      unknown
+    >[];
+    expect(result).toMatchObject({
+      found: true,
+      updated: true,
+      message: {
+        messageId: 'reply-1',
+        relayOfMessageId: 'real-inbound-id',
+        taskRefs: [taskRef],
+      },
+    });
+    expect(persisted).toHaveLength(1);
+    expect(persisted[0]).toMatchObject({
+      relayOfMessageId: 'real-inbound-id',
+      taskRefs: [taskRef],
+    });
+  });
+
   it('omits source field from payload when not provided in request', async () => {
     await writer.sendMessage('my-team', {
       member: 'alice',

test/main/services/team/TeamMemberLogsFinder.test.ts

@@ -1080,6 +1080,152 @@ describe('TeamMemberLogsFinder', () => {
     );
   });
 
+  it('findLogsForTask does not treat malformed empty completedAt intervals as open', async () => {
+    tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), 'claude-team-task-owner-malformed-'));
+    setClaudeBasePathOverride(tmpDir);
+
+    const teamName = 't5-malformed';
+    const projectPath = '/Users/test/proj5-malformed';
+    const projectId = '-Users-test-proj5-malformed';
+    const leadSessionId = 's5-malformed';
+
+    await fs.mkdir(path.join(tmpDir, 'teams', teamName), { recursive: true });
+    await fs.writeFile(
+      path.join(tmpDir, 'teams', teamName, 'config.json'),
+      JSON.stringify({
+        name: teamName,
+        projectPath,
+        leadSessionId,
+        members: [
+          { name: 'team-lead', agentType: 'team-lead' },
+          { name: 'bob', agentType: 'general-purpose' },
+          { name: 'alice', agentType: 'general-purpose' },
+        ],
+      }),
+      'utf8'
+    );
+
+    const projectRoot = path.join(tmpDir, 'projects', projectId);
+    await fs.mkdir(path.join(projectRoot, leadSessionId, 'subagents'), { recursive: true });
+
+    await fs.writeFile(
+      path.join(projectRoot, leadSessionId, 'subagents', 'agent-alice10.jsonl'),
+      [
+        JSON.stringify({
+          timestamp: '2026-01-01T00:00:01.000Z',
+          type: 'user',
+          message: {
+            role: 'user',
+            content: `You are alice, a developer on team "${teamName}" (${teamName}).`,
+          },
+        }),
+        JSON.stringify({
+          timestamp: '2026-01-01T00:00:02.000Z',
+          type: 'assistant',
+          message: {
+            role: 'assistant',
+            content: [
+              {
+                type: 'tool_use',
+                name: 'TaskUpdate',
+                input: { team_name: teamName, taskId: '10', status: 'pending' },
+              },
+            ],
+          },
+        }),
+      ].join('\n') + '\n',
+      'utf8'
+    );
+
+    await fs.writeFile(
+      path.join(projectRoot, leadSessionId, 'subagents', 'agent-bob-near.jsonl'),
+      [
+        JSON.stringify({
+          timestamp: '2026-01-01T10:00:01.000Z',
+          type: 'user',
+          message: {
+            role: 'user',
+            content: `You are bob, a developer on team "${teamName}" (${teamName}).`,
+          },
+        }),
+        JSON.stringify({
+          timestamp: '2026-01-01T10:00:02.000Z',
+          type: 'assistant',
+          message: {
+            role: 'assistant',
+            content: [{ type: 'text', text: 'Near malformed interval' }],
+          },
+        }),
+      ].join('\n') + '\n',
+      'utf8'
+    );
+
+    await fs.writeFile(
+      path.join(projectRoot, leadSessionId, 'subagents', 'agent-bob-late.jsonl'),
+      [
+        JSON.stringify({
+          timestamp: '2026-01-01T12:00:00.000Z',
+          type: 'user',
+          message: {
+            role: 'user',
+            content: `You are bob, a developer on team "${teamName}" (${teamName}).`,
+          },
+        }),
+        JSON.stringify({
+          timestamp: '2026-01-01T12:00:01.000Z',
+          type: 'assistant',
+          message: {
+            role: 'assistant',
+            content: [{ type: 'text', text: 'Late malformed interval' }],
+          },
+        }),
+      ].join('\n') + '\n',
+      'utf8'
+    );
+
+    const finder = new TeamMemberLogsFinder();
+    const options = {
+      owner: 'bob',
+      status: 'in_progress',
+      intervals: [{ startedAt: '2026-01-01T10:00:00.000Z', completedAt: '' }],
+    };
+    const logs = await finder.findLogsForTask(teamName, '10', options);
+
+    const bobFilePaths = logs
+      .filter((l) => l.kind === 'subagent' && l.memberName?.toLowerCase() === 'bob')
+      .map((l) => l.filePath ?? '');
+
+    expect(bobFilePaths.some((filePath) => filePath.endsWith('agent-bob-near.jsonl'))).toBe(true);
+    expect(bobFilePaths.some((filePath) => filePath.endsWith('agent-bob-late.jsonl'))).toBe(false);
+
+    const reversedIntervalLogs = await finder.findLogsForTask(teamName, '10', {
+      ...options,
+      intervals: [
+        {
+          startedAt: '2026-01-01T10:00:00.000Z',
+          completedAt: '2026-01-01T09:59:00.000Z',
+        },
+      ],
+    });
+    const reversedBobFilePaths = reversedIntervalLogs
+      .filter((l) => l.kind === 'subagent' && l.memberName?.toLowerCase() === 'bob')
+      .map((l) => l.filePath ?? '');
+
+    expect(reversedBobFilePaths.some((filePath) => filePath.endsWith('agent-bob-near.jsonl'))).toBe(
+      true
+    );
+    expect(reversedBobFilePaths.some((filePath) => filePath.endsWith('agent-bob-late.jsonl'))).toBe(
+      false
+    );
+
+    const refs = await finder.findLogFileRefsForTask(teamName, '10', options);
+    const bobRefPaths = refs
+      .filter((ref) => ref.memberName.toLowerCase() === 'bob')
+      .map((ref) => ref.filePath);
+
+    expect(bobRefPaths.some((filePath) => filePath.endsWith('agent-bob-late.jsonl'))).toBe(false);
+  });
+
   it('findLogsForTask does not auto-include owner sessions when owner is team-lead', async () => {
     tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), 'claude-team-task-lead-owner-'));
     setClaudeBasePathOverride(tmpDir);

test/main/services/team/TeamMemberRuntimeAdvisoryService.test.ts

@@ -170,6 +170,10 @@ describe('TeamMemberRuntimeAdvisoryService', () => {
     ['codex_native_timeout', 'Codex native exec timed out after 120000ms.'],
     ['network_error', 'Fetch failed because the network connection timed out.'],
     ['provider_overloaded', 'Service unavailable: provider temporarily unavailable (503).'],
+    [
+      'protocol_proof_missing',
+      'OpenCode created a reply without the required taskRefs metadata.',
+    ],
     ['backend_error', 'Unexpected backend blew up during request processing.'],
   ] as const)('classifies %s retry causes from api_error messages', async (expected, message) => {
     const service = new TeamMemberRuntimeAdvisoryService({} as never);

test/main/services/team/TeamProvisioningService.test.ts

@@ -126,6 +126,7 @@ import {
   getMixedLaunchFallbackRecoveryError,
   TeamProvisioningService,
 } from '@main/services/team/TeamProvisioningService';
+import { TeamTaskActivityIntervalService } from '@main/services/team/TeamTaskActivityIntervalService';
 import {
   clearAutoResumeService,
   getAutoResumeService,
@@ -1524,6 +1525,218 @@ describe('TeamProvisioningService', () => {
       expect(refreshLeadInbox).toHaveBeenCalledTimes(2);
     });
 
+    it('pauses member task intervals at last runtime evidence plus grace when runtime goes offline', () => {
+      vi.useFakeTimers();
+      vi.setSystemTime(new Date('2026-05-02T10:05:00.000Z'));
+      const pauseSpy = vi
+        .spyOn(TeamTaskActivityIntervalService.prototype, 'pauseActiveIntervalsForMember')
+        .mockReturnValue({ changedTasks: 0 });
+      const svc = new TeamProvisioningService();
+      const teamName = 'spawn-runtime-offline-team';
+      const run = createMemberSpawnRun({
+        teamName,
+        expectedMembers: ['alice'],
+        memberSpawnStatuses: new Map([
+          [
+            'alice',
+            {
+              status: 'online',
+              launchState: 'confirmed_alive',
+              updatedAt: '2026-05-02T10:00:02.000Z',
+              agentToolAccepted: true,
+              runtimeAlive: true,
+              bootstrapConfirmed: true,
+              hardFailure: false,
+              livenessSource: 'heartbeat',
+              lastHeartbeatAt: '2026-05-02T10:00:00.000Z',
+              livenessLastCheckedAt: '2026-05-02T10:00:01.000Z',
+            },
+          ],
+        ]),
+      });
+
+      (svc as any).setMemberSpawnStatus(run, 'alice', 'offline');
+
+      expect(pauseSpy).toHaveBeenCalledWith(teamName, 'alice', '2026-05-02T10:00:06.000Z');
+    });
+
+    it('pauses member task intervals when snapshot sync observes runtime loss', () => {
+      vi.useFakeTimers();
+      vi.setSystemTime(new Date('2026-05-02T10:05:00.000Z'));
+      const pauseSpy = vi
+        .spyOn(TeamTaskActivityIntervalService.prototype, 'pauseActiveIntervalsForMember')
+        .mockReturnValue({ changedTasks: 0 });
+      const svc = new TeamProvisioningService();
+      const teamName = 'spawn-runtime-snapshot-offline-team';
+      const run = createMemberSpawnRun({
+        teamName,
+        expectedMembers: ['alice'],
+        memberSpawnStatuses: new Map([
+          [
+            'alice',
+            {
+              status: 'online',
+              launchState: 'confirmed_alive',
+              updatedAt: '2026-05-02T10:00:02.000Z',
+              agentToolAccepted: true,
+              runtimeAlive: true,
+              bootstrapConfirmed: true,
+              hardFailure: false,
+              livenessSource: 'heartbeat',
+              lastHeartbeatAt: '2026-05-02T10:00:00.000Z',
+              livenessLastCheckedAt: '2026-05-02T10:00:01.000Z',
+            },
+          ],
+        ]),
+      });
+      const snapshot = createPersistedLaunchSnapshot({
+        teamName,
+        expectedMembers: ['alice'],
+        launchPhase: 'finished',
+        members: {
+          alice: {
+            name: 'alice',
+            launchState: 'failed_to_start',
+            agentToolAccepted: true,
+            runtimeAlive: false,
+            bootstrapConfirmed: false,
+            hardFailure: true,
+            hardFailureReason: 'Runtime disappeared before finalization.',
+            lastEvaluatedAt: '2026-05-02T10:04:00.000Z',
+          },
+        },
+      });
+
+      (svc as any).syncRunMemberSpawnStatusesFromSnapshot(run, snapshot);
+
+      expect(pauseSpy).toHaveBeenCalledWith(teamName, 'alice', '2026-05-02T10:00:06.000Z');
+      expect(run.memberSpawnStatuses.get('alice')).toMatchObject({
+        status: 'error',
+        runtimeAlive: false,
+        launchState: 'failed_to_start',
+      });
+    });
+
+    it('resumes member task intervals at the heartbeat evidence time when runtime comes online', () => {
+      vi.useFakeTimers();
+      vi.setSystemTime(new Date('2026-05-02T10:05:00.000Z'));
+      const resumeSpy = vi
+        .spyOn(TeamTaskActivityIntervalService.prototype, 'resumeActiveIntervalsForMember')
+        .mockReturnValue({ changedTasks: 0 });
+      const svc = new TeamProvisioningService();
+      const teamName = 'spawn-runtime-online-team';
+      const run = createMemberSpawnRun({
+        teamName,
+        expectedMembers: ['alice'],
+        memberSpawnStatuses: new Map([
+          [
+            'alice',
+            {
+              status: 'waiting',
+              launchState: 'runtime_pending_bootstrap',
+              updatedAt: '2026-05-02T09:59:00.000Z',
+              agentToolAccepted: true,
+              runtimeAlive: false,
+              bootstrapConfirmed: false,
+              hardFailure: false,
+            },
+          ],
+        ]),
+      });
+
+      (svc as any).setMemberSpawnStatus(
+        run,
+        'alice',
+        'online',
+        undefined,
+        'heartbeat',
+        '2026-05-02T10:00:00.000Z'
+      );
+
+      expect(resumeSpy).toHaveBeenCalledWith(teamName, 'alice', '2026-05-02T10:00:00.000Z');
+    });
+
+    it('does not resume member task intervals from a stale heartbeat older than offline status', () => {
+      vi.useFakeTimers();
+      vi.setSystemTime(new Date('2026-05-02T10:05:00.000Z'));
+      const resumeSpy = vi
+        .spyOn(TeamTaskActivityIntervalService.prototype, 'resumeActiveIntervalsForMember')
+        .mockReturnValue({ changedTasks: 0 });
+      const svc = new TeamProvisioningService();
+      const teamName = 'spawn-runtime-stale-heartbeat-team';
+      const run = createMemberSpawnRun({
+        teamName,
+        expectedMembers: ['alice'],
+        memberSpawnStatuses: new Map([
+          [
+            'alice',
+            {
+              status: 'waiting',
+              launchState: 'runtime_pending_bootstrap',
+              updatedAt: '2026-05-02T10:04:00.000Z',
+              agentToolAccepted: true,
+              runtimeAlive: false,
+              bootstrapConfirmed: false,
+              hardFailure: false,
+              lastHeartbeatAt: '2026-05-02T10:00:00.000Z',
+            },
+          ],
+        ]),
+      });
+
+      (svc as any).setMemberSpawnStatus(
+        run,
+        'alice',
+        'online',
+        undefined,
+        'heartbeat',
+        '2026-05-02T10:00:30.000Z'
+      );
+
+      expect(resumeSpy).toHaveBeenCalledWith(teamName, 'alice', '2026-05-02T10:05:00.000Z');
+    });
+
+    it('does not resume member task intervals from stale direct runtime evidence', () => {
+      vi.useFakeTimers();
+      vi.setSystemTime(new Date('2026-05-02T10:05:00.000Z'));
+      const resumeSpy = vi
+        .spyOn(TeamTaskActivityIntervalService.prototype, 'resumeActiveIntervalsForMember')
+        .mockReturnValue({ changedTasks: 0 });
+      const svc = new TeamProvisioningService();
+      const teamName = 'spawn-runtime-stale-direct-evidence-team';
+      const run = createMemberSpawnRun({
+        teamName,
+        expectedMembers: ['alice'],
+      });
+      const previous = {
+        status: 'waiting',
+        launchState: 'runtime_pending_bootstrap',
+        updatedAt: '2026-05-02T10:04:00.000Z',
+        agentToolAccepted: true,
+        runtimeAlive: false,
+        bootstrapConfirmed: false,
+        hardFailure: false,
+      };
+      const next = {
+        ...previous,
+        status: 'online',
+        launchState: 'confirmed_alive',
+        updatedAt: '2026-05-02T10:03:00.000Z',
+        runtimeAlive: true,
+        bootstrapConfirmed: true,
+      };
+
+      (svc as any).syncMemberTaskActivityForRuntimeTransition(
+        run,
+        'alice',
+        previous,
+        next,
+        '2026-05-02T10:00:30.000Z'
+      );
+
+      expect(resumeSpy).toHaveBeenCalledWith(teamName, 'alice', '2026-05-02T10:05:00.000Z');
+    });
+
     it('retries the owner status request when a member-spawn change lands while it is building', async () => {
       const svc = new TeamProvisioningService();
       const teamName = 'spawn-cache-owner-retry-team';
@@ -3079,6 +3292,179 @@ describe('TeamProvisioningService', () => {
       );
     });
 
+    it('projects a pending restart as bootstrap-pending in finished launch snapshots without mutating live state', () => {
+      const requestedAt = new Date().toISOString();
+      const run = createMemberSpawnRun({
+        teamName: 'codex-team',
+        expectedMembers: ['bob'],
+        memberSpawnStatuses: new Map([
+          [
+            'bob',
+            createMemberSpawnStatusEntry({
+              status: 'spawning',
+              launchState: 'starting',
+              agentToolAccepted: false,
+              firstSpawnAcceptedAt: requestedAt,
+              runtimeDiagnostic: undefined,
+              runtimeDiagnosticSeverity: undefined,
+            }),
+          ],
+        ]),
+      });
+      run.isLaunch = true;
+      run.provisioningComplete = true;
+      run.pendingMemberRestarts.set('bob', {
+        requestedAt,
+        desired: {
+          name: 'bob',
+          providerId: 'codex',
+          model: 'gpt-5.2',
+          effort: 'medium',
+        },
+      });
+      const svc = new TeamProvisioningService();
+
+      const projected = (svc as any).buildRuntimeSpawnStatusRecord(run);
+
+      expect(projected.bob).toMatchObject({
+        status: 'waiting',
+        launchState: 'runtime_pending_bootstrap',
+        agentToolAccepted: true,
+        runtimeAlive: false,
+        bootstrapConfirmed: false,
+        hardFailure: false,
+        hardFailureReason: undefined,
+        error: undefined,
+        runtimeDiagnostic: 'Manual restart is already in progress; waiting for teammate bootstrap.',
+        runtimeDiagnosticSeverity: 'info',
+      });
+      expect(run.memberSpawnStatuses.get('bob')).toMatchObject({
+        status: 'spawning',
+        launchState: 'starting',
+        agentToolAccepted: false,
+        hardFailure: false,
+      });
+    });
+
+    it('does not sync a stale never-spawned launch snapshot over a pending restart', () => {
+      const requestedAt = new Date().toISOString();
+      const run = createMemberSpawnRun({
+        teamName: 'codex-team',
+        expectedMembers: ['bob'],
+        memberSpawnStatuses: new Map([
+          [
+            'bob',
+            createMemberSpawnStatusEntry({
+              status: 'spawning',
+              launchState: 'starting',
+              agentToolAccepted: false,
+              firstSpawnAcceptedAt: requestedAt,
+              hardFailure: false,
+              hardFailureReason: undefined,
+              error: undefined,
+            }),
+          ],
+        ]),
+      });
+      run.pendingMemberRestarts.set('bob', {
+        requestedAt,
+        desired: {
+          name: 'bob',
+          providerId: 'codex',
+          model: 'gpt-5.2',
+          effort: 'medium',
+        },
+      });
+      const snapshot = createPersistedLaunchSnapshot({
+        teamName: run.teamName,
+        expectedMembers: ['bob'],
+        launchPhase: 'finished',
+        members: {
+          bob: {
+            name: 'bob',
+            launchState: 'failed_to_start',
+            agentToolAccepted: false,
+            runtimeAlive: false,
+            bootstrapConfirmed: false,
+            hardFailure: true,
+            hardFailureReason: 'Teammate was never spawned during launch.',
+            lastEvaluatedAt: new Date().toISOString(),
+          },
+        },
+      });
+      const svc = new TeamProvisioningService();
+
+      (svc as any).syncRunMemberSpawnStatusesFromSnapshot(run, snapshot);
+
+      expect(run.memberSpawnStatuses.get('bob')).toMatchObject({
+        status: 'spawning',
+        launchState: 'starting',
+        agentToolAccepted: false,
+        hardFailure: false,
+        hardFailureReason: undefined,
+        error: undefined,
+      });
+    });
+
+    it('does not mark a pending restart as failed during bootstrap cleanup projection', () => {
+      const requestedAt = new Date().toISOString();
+      const run = createMemberSpawnRun({
+        teamName: 'codex-team',
+        expectedMembers: ['alice', 'bob'],
+        memberSpawnStatuses: new Map([
+          [
+            'alice',
+            createMemberSpawnStatusEntry({
+              status: 'waiting',
+              launchState: 'runtime_pending_bootstrap',
+              agentToolAccepted: true,
+            }),
+          ],
+          [
+            'bob',
+            createMemberSpawnStatusEntry({
+              status: 'spawning',
+              launchState: 'starting',
+              agentToolAccepted: false,
+              firstSpawnAcceptedAt: requestedAt,
+              hardFailure: false,
+              hardFailureReason: undefined,
+              error: undefined,
+            }),
+          ],
+        ]),
+      });
+      run.pendingMemberRestarts.set('bob', {
+        requestedAt,
+        desired: {
+          name: 'bob',
+          providerId: 'codex',
+          model: 'gpt-5.2',
+          effort: 'medium',
+        },
+      });
+      const svc = new TeamProvisioningService();
+
+      (svc as any).markUnconfirmedBootstrapMembersFailed(run, 'launch cleanup requested', {
+        cleanupRequested: true,
+      });
+
+      expect(run.memberSpawnStatuses.get('alice')).toMatchObject({
+        status: 'error',
+        launchState: 'failed_to_start',
+        hardFailure: true,
+        hardFailureReason: 'launch cleanup requested',
+      });
+      expect(run.memberSpawnStatuses.get('bob')).toMatchObject({
+        status: 'spawning',
+        launchState: 'starting',
+        agentToolAccepted: false,
+        hardFailure: false,
+        hardFailureReason: undefined,
+        error: undefined,
+      });
+    });
+
     it('restarts a tmux teammate directly in its shell-only pane after the runtime process disappeared', async () => {
       const teamName = 'forge-labs-10';
       const teamDir = path.join(tempTeamsBase, teamName);
@@ -5582,6 +5968,294 @@ describe('TeamProvisioningService', () => {
       expect(ledgerEnvelope.data[0].nextAttemptAt).toBeTruthy();
     });
 
+    it('materializes plain-text fallback after OpenCode message_send tool errors', async () => {
+      const svc = new TeamProvisioningService();
+      const taskRef = {
+        taskId: 'task-tool-error-fallback',
+        displayId: 'toolerr1',
+        teamName: 'team-a',
+      };
+      const sendMessageToMember = vi.fn(async (input: Record<string, unknown>) => ({
+        ok: true,
+        providerId: 'opencode',
+        memberName: String(input.memberName),
+        sessionId: 'oc-session-bob',
+        prePromptCursor: 'cursor-before',
+        responseObservation: {
+          state: 'tool_error',
+          deliveredUserMessageId: 'oc-user-tool-error',
+          assistantMessageId: 'oc-assistant-tool-error',
+          toolCallNames: ['agent-teams_message_send'],
+          visibleMessageToolCallId: 'call-message-send',
+          visibleReplyMessageId: null,
+          visibleReplyCorrelation: null,
+          latestAssistantPreview: 'GAUNTLET_CONCURRENT_TOM_OK_1',
+          reason: 'message_send_tool_error_without_visible_reply_proof',
+        },
+        diagnostics: ['OpenCode tool failed without output'],
+      }));
+      const registry = new TeamRuntimeAdapterRegistry([
+        {
+          providerId: 'opencode',
+          prepare: vi.fn(),
+          launch: vi.fn(),
+          reconcile: vi.fn(),
+          stop: vi.fn(),
+          sendMessageToMember,
+        } as any,
+      ]);
+      svc.setRuntimeAdapterRegistry(registry);
+
+      (svc as any).getTrackedRunId = vi.fn(() => 'run-1');
+      (svc as any).provisioningRunByTeam.set('team-a', 'run-1');
+      (svc as any).setSecondaryRuntimeRun({
+        teamName: 'team-a',
+        runId: 'opencode-run-bob',
+        providerId: 'opencode',
+        laneId: 'secondary:opencode:bob',
+        memberName: 'bob',
+        cwd: '/repo',
+      });
+      await writeDefaultBobOpenCodeBootstrapEvidence();
+      (svc as any).configReader = {
+        getConfig: vi.fn(async () => ({
+          projectPath: '/repo',
+          members: [
+            { name: 'team-lead', providerId: 'codex', model: 'gpt-5.4' },
+            { name: 'bob', providerId: 'opencode', model: 'minimax-m2.5-free' },
+          ],
+        })),
+      };
+      (svc as any).teamMetaStore = {
+        getMeta: vi.fn(async () => ({
+          launchIdentity: { providerId: 'codex' },
+          providerId: 'codex',
+        })),
+      };
+      (svc as any).membersMetaStore = {
+        getMembers: vi.fn(async () => [
+          {
+            name: 'bob',
+            providerId: 'opencode',
+            model: 'opencode/minimax-m2.5-free',
+          },
+        ]),
+      };
+
+      await expect(
+        svc.deliverOpenCodeMemberMessage('team-a', {
+          memberName: 'bob',
+          text: 'Concurrent check. Reply to user with GAUNTLET_CONCURRENT_TOM_OK_1.',
+          messageId: 'msg-tool-error-fallback',
+          replyRecipient: 'user',
+          actionMode: 'ask',
+          taskRefs: [taskRef],
+          source: 'watcher',
+          inboxTimestamp: '2026-04-25T10:00:00.000Z',
+        })
+      ).resolves.toMatchObject({
+        delivered: true,
+        accepted: true,
+        responsePending: false,
+        responseState: 'responded_plain_text',
+        visibleReplyCorrelation: 'plain_assistant_text',
+        diagnostics: expect.arrayContaining([
+          'opencode_message_send_tool_error_plain_text_reply_materialized',
+          'opencode_plain_text_reply_materialized_to_user_inbox',
+        ]),
+      });
+
+      const userInbox = JSON.parse(
+        await fsPromises.readFile(
+          path.join(tempTeamsBase, 'team-a', 'inboxes', 'user.json'),
+          'utf8'
+        )
+      ) as Array<Record<string, unknown>>;
+      expect(userInbox).toHaveLength(1);
+      expect(userInbox[0]).toMatchObject({
+        from: 'bob',
+        to: 'user',
+        text: 'GAUNTLET_CONCURRENT_TOM_OK_1',
+        relayOfMessageId: 'msg-tool-error-fallback',
+        source: 'runtime_delivery',
+        taskRefs: [taskRef],
+      });
+    });
+
+    it('observes OpenCode message_send tool errors quickly before retrying duplicate prompts', async () => {
+      const svc = new TeamProvisioningService();
+      const taskRef = {
+        taskId: 'task-tool-error-observe-first',
+        displayId: 'obsfirst',
+        teamName: 'team-a',
+      };
+      const sendMessageToMember = vi.fn(async (input: Record<string, unknown>) => ({
+        ok: true,
+        providerId: 'opencode',
+        memberName: String(input.memberName),
+        sessionId: 'oc-session-bob',
+        prePromptCursor: 'cursor-before-tool-error',
+        responseObservation: {
+          state: 'tool_error',
+          deliveredUserMessageId: 'oc-user-tool-error-observe',
+          assistantMessageId: 'oc-assistant-tool-error-observe',
+          toolCallNames: ['agent-teams_message_send'],
+          visibleMessageToolCallId: 'call-message-send-observe',
+          visibleReplyMessageId: null,
+          visibleReplyCorrelation: null,
+          latestAssistantPreview: null,
+          reason: 'message_send_tool_error_without_visible_reply_proof',
+        },
+        diagnostics: ['OpenCode tool failed without output'],
+      }));
+      const observeMessageDelivery = vi.fn(async (input: Record<string, unknown>) => ({
+        ok: true,
+        providerId: 'opencode',
+        memberName: String(input.memberName),
+        sessionId: 'oc-session-bob',
+        responseObservation: {
+          state: 'responded_plain_text',
+          deliveredUserMessageId: 'oc-user-tool-error-observe',
+          assistantMessageId: 'oc-assistant-plain-fallback',
+          toolCallNames: ['agent-teams_message_send'],
+          visibleMessageToolCallId: 'call-message-send-observe',
+          visibleReplyMessageId: null,
+          visibleReplyCorrelation: 'plain_assistant_text',
+          latestAssistantPreview: 'GAUNTLET_OBSERVE_FIRST_OK_1',
+          reason: 'assistant_replied_with_plain_text',
+        },
+        diagnostics: ['Observed OpenCode plain-text fallback after message_send tool error'],
+      }));
+      svc.setRuntimeAdapterRegistry(
+        new TeamRuntimeAdapterRegistry([
+          {
+            providerId: 'opencode',
+            prepare: vi.fn(),
+            launch: vi.fn(),
+            reconcile: vi.fn(),
+            stop: vi.fn(),
+            sendMessageToMember,
+            observeMessageDelivery,
+          } as any,
+        ])
+      );
+
+      (svc as any).getTrackedRunId = vi.fn(() => 'run-1');
+      (svc as any).provisioningRunByTeam.set('team-a', 'run-1');
+      (svc as any).setSecondaryRuntimeRun({
+        teamName: 'team-a',
+        runId: 'opencode-run-bob',
+        providerId: 'opencode',
+        laneId: 'secondary:opencode:bob',
+        memberName: 'bob',
+        cwd: '/repo',
+      });
+      await writeDefaultBobOpenCodeBootstrapEvidence();
+      (svc as any).configReader = {
+        getConfig: vi.fn(async () => ({
+          projectPath: '/repo',
+          members: [
+            { name: 'team-lead', providerId: 'codex', model: 'gpt-5.4' },
+            { name: 'bob', providerId: 'opencode', model: 'minimax-m2.5-free' },
+          ],
+        })),
+      };
+      (svc as any).teamMetaStore = {
+        getMeta: vi.fn(async () => ({
+          launchIdentity: { providerId: 'codex' },
+          providerId: 'codex',
+        })),
+      };
+      (svc as any).membersMetaStore = {
+        getMembers: vi.fn(async () => [
+          {
+            name: 'bob',
+            providerId: 'opencode',
+            model: 'opencode/minimax-m2.5-free',
+          },
+        ]),
+      };
+
+      await expect(
+        svc.deliverOpenCodeMemberMessage('team-a', {
+          memberName: 'bob',
+          text: 'Reply to user with GAUNTLET_OBSERVE_FIRST_OK_1.',
+          messageId: 'msg-tool-error-observe-first',
+          replyRecipient: 'user',
+          actionMode: 'ask',
+          taskRefs: [taskRef],
+          source: 'watcher',
+          inboxTimestamp: '2026-04-25T10:00:00.000Z',
+        })
+      ).resolves.toMatchObject({
+        delivered: true,
+        accepted: true,
+        responsePending: true,
+        responseState: 'tool_error',
+        reason: 'tool_error_without_required_delivery_proof',
+      });
+
+      const ledgerPath = getOpenCodeLaneScopedRuntimeFilePath({
+        teamsBasePath: tempTeamsBase,
+        teamName: 'team-a',
+        laneId: 'secondary:opencode:bob',
+        fileName: 'opencode-prompt-delivery-ledger.json',
+      });
+      const ledgerEnvelope = JSON.parse(await fsPromises.readFile(ledgerPath, 'utf8')) as {
+        data: Array<{ nextAttemptAt: string | null }>;
+      };
+      const nextAttemptAt = ledgerEnvelope.data[0]?.nextAttemptAt;
+      expect(nextAttemptAt).toBeTruthy();
+      const delayMs = Date.parse(nextAttemptAt!) - Date.now();
+      expect(delayMs).toBeGreaterThanOrEqual(0);
+      expect(delayMs).toBeLessThanOrEqual(5_000);
+
+      ledgerEnvelope.data[0]!.nextAttemptAt = '2000-01-01T00:00:00.000Z';
+      await fsPromises.writeFile(ledgerPath, JSON.stringify(ledgerEnvelope, null, 2), 'utf8');
+
+      await expect(
+        svc.deliverOpenCodeMemberMessage('team-a', {
+          memberName: 'bob',
+          text: 'Reply to user with GAUNTLET_OBSERVE_FIRST_OK_1.',
+          messageId: 'msg-tool-error-observe-first',
+          replyRecipient: 'user',
+          actionMode: 'ask',
+          taskRefs: [taskRef],
+          source: 'watcher',
+          inboxTimestamp: '2026-04-25T10:00:00.000Z',
+        })
+      ).resolves.toMatchObject({
+        delivered: true,
+        responsePending: false,
+        responseState: 'responded_plain_text',
+        visibleReplyCorrelation: 'plain_assistant_text',
+      });
+
+      const userInbox = JSON.parse(
+        await fsPromises.readFile(
+          path.join(tempTeamsBase, 'team-a', 'inboxes', 'user.json'),
+          'utf8'
+        )
+      ) as Array<Record<string, unknown>>;
+      expect(userInbox).toHaveLength(1);
+      expect(userInbox[0]).toMatchObject({
+        from: 'bob',
+        to: 'user',
+        text: 'GAUNTLET_OBSERVE_FIRST_OK_1',
+        relayOfMessageId: 'msg-tool-error-observe-first',
+        source: 'runtime_delivery',
+        taskRefs: [taskRef],
+      });
+      expect(sendMessageToMember).toHaveBeenCalledTimes(1);
+      expect(observeMessageDelivery).toHaveBeenCalledTimes(1);
+      expect(observeMessageDelivery).toHaveBeenCalledWith(
+        expect.objectContaining({
+          messageId: 'msg-tool-error-observe-first',
+          prePromptCursor: 'cursor-before-tool-error',
+        })
+      );
+    });
+
     it('treats OpenCode send bridge timeouts as acceptance-unknown observe-first records', async () => {
       const svc = new TeamProvisioningService();
       const sendMessageToMember = vi.fn(async (input: Record<string, unknown>) => ({
@@ -5876,6 +6550,242 @@ describe('TeamProvisioningService', () => {
       expect(sendMessageToMember).not.toHaveBeenCalled();
     });
 
+    it('inherits taskRefs from the OpenCode delivery ledger for exact visible replies', async () => {
+      const svc = new TeamProvisioningService();
+      const sendMessageToMember = vi.fn();
+      const registry = new TeamRuntimeAdapterRegistry([
+        {
+          providerId: 'opencode',
+          prepare: vi.fn(),
+          launch: vi.fn(),
+          reconcile: vi.fn(),
+          stop: vi.fn(),
+          sendMessageToMember,
+        } as any,
+      ]);
+      svc.setRuntimeAdapterRegistry(registry);
+
+      (svc as any).getTrackedRunId = vi.fn(() => 'run-1');
+      (svc as any).provisioningRunByTeam.set('team-a', 'run-1');
+      (svc as any).setSecondaryRuntimeRun({
+        teamName: 'team-a',
+        runId: 'opencode-run-bob',
+        providerId: 'opencode',
+        laneId: 'secondary:opencode:bob',
+        memberName: 'bob',
+        cwd: '/repo',
+      });
+      await writeDefaultBobOpenCodeBootstrapEvidence();
+      (svc as any).configReader = {
+        getConfig: vi.fn(async () => ({
+          projectPath: '/repo',
+          members: [
+            { name: 'team-lead', providerId: 'codex', model: 'gpt-5.4' },
+            { name: 'bob', providerId: 'opencode', model: 'minimax-m2.5-free' },
+          ],
+        })),
+      };
+      (svc as any).teamMetaStore = {
+        getMeta: vi.fn(async () => ({
+          launchIdentity: { providerId: 'codex' },
+          providerId: 'codex',
+        })),
+      };
+      (svc as any).membersMetaStore = {
+        getMembers: vi.fn(async () => [
+          {
+            name: 'bob',
+            providerId: 'opencode',
+            model: 'opencode/minimax-m2.5-free',
+          },
+        ]),
+      };
+      const taskRef = { taskId: 'task-1', displayId: 'abcd1234', teamName: 'team-a' };
+      const inboxDir = path.join(tempTeamsBase, 'team-a', 'inboxes');
+      await fsPromises.mkdir(inboxDir, { recursive: true });
+      await fsPromises.writeFile(
+        path.join(inboxDir, 'user.json'),
+        `${JSON.stringify(
+          [
+            {
+              from: 'bob',
+              to: 'user',
+              text: 'Here is the concrete answer for #abcd1234.',
+              timestamp: '2026-04-25T10:00:03.000Z',
+              read: false,
+              messageId: 'reply-user-task-1',
+              relayOfMessageId: 'msg-task-refs-1',
+              source: 'runtime_delivery',
+            },
+          ],
+          null,
+          2
+        )}\n`,
+        'utf8'
+      );
+
+      await expect(
+        svc.deliverOpenCodeMemberMessage('team-a', {
+          memberName: 'bob',
+          text: 'Please answer for #abcd1234.',
+          messageId: 'msg-task-refs-1',
+          replyRecipient: 'user',
+          actionMode: 'ask',
+          taskRefs: [taskRef],
+          source: 'watcher',
+          inboxTimestamp: '2026-04-25T10:00:00.000Z',
+        })
+      ).resolves.toMatchObject({
+        delivered: true,
+        accepted: true,
+        responsePending: false,
+        responseState: 'responded_visible_message',
+        visibleReplyMessageId: 'reply-user-task-1',
+        visibleReplyCorrelation: 'relayOfMessageId',
+      });
+
+      const userInbox = JSON.parse(
+        await fsPromises.readFile(path.join(inboxDir, 'user.json'), 'utf8')
+      ) as Array<Record<string, unknown>>;
+      expect(userInbox[0]).toMatchObject({
+        messageId: 'reply-user-task-1',
+        taskRefs: [taskRef],
+      });
+      expect(sendMessageToMember).not.toHaveBeenCalled();
+    });
+
+    it('repairs OpenCode visible replies that used a wrong relayOfMessageId but returned a messageId', async () => {
+      const svc = new TeamProvisioningService();
+      const taskRef = { taskId: 'task-1', displayId: 'abcd1234', teamName: 'team-a' };
+      const inboxDir = path.join(tempTeamsBase, 'team-a', 'inboxes');
+      const sendMessageToMember = vi.fn(async (input: Record<string, unknown>) => {
+        await fsPromises.mkdir(inboxDir, { recursive: true });
+        await fsPromises.writeFile(
+          path.join(inboxDir, 'user.json'),
+          `${JSON.stringify(
+            [
+              {
+                from: 'bob',
+                to: 'user',
+                text: 'Here is the concrete answer for #abcd1234.',
+                timestamp: '2026-04-25T10:00:03.000Z',
+                read: false,
+                messageId: 'reply-wrong-relay-1',
+                relayOfMessageId: 'hallucinated-inbound-id',
+                source: 'runtime_delivery',
+                taskRefs: [taskRef],
+              },
+            ],
+            null,
+            2
+          )}\n`,
+          'utf8'
+        );
+        return {
+          ok: true,
+          providerId: 'opencode',
+          memberName: String(input.memberName),
+          sessionId: 'oc-session-bob',
+          prePromptCursor: 'cursor-before',
+          responseObservation: {
+            state: 'responded_visible_message',
+            deliveredUserMessageId: 'oc-user-1',
+            assistantMessageId: 'oc-assistant-1',
+            toolCallNames: ['message_send'],
+            visibleMessageToolCallId: 'call-1',
+            visibleReplyMessageId: 'reply-wrong-relay-1',
+            visibleReplyCorrelation: 'direct_child_message_send',
+            visibleReplyMissingRelayOfMessageId: true,
+            latestAssistantPreview: null,
+            reason: 'visible_reply_missing_relayOfMessageId',
+          },
+          diagnostics: [],
+        };
+      });
+      const registry = new TeamRuntimeAdapterRegistry([
+        {
+          providerId: 'opencode',
+          prepare: vi.fn(),
+          launch: vi.fn(),
+          reconcile: vi.fn(),
+          stop: vi.fn(),
+          sendMessageToMember,
+        } as any,
+      ]);
+      svc.setRuntimeAdapterRegistry(registry);
+
+      (svc as any).getTrackedRunId = vi.fn(() => 'run-1');
+      (svc as any).provisioningRunByTeam.set('team-a', 'run-1');
+      (svc as any).setSecondaryRuntimeRun({
+        teamName: 'team-a',
+        runId: 'opencode-run-bob',
+        providerId: 'opencode',
+        laneId: 'secondary:opencode:bob',
+        memberName: 'bob',
+        cwd: '/repo',
+      });
+      await writeDefaultBobOpenCodeBootstrapEvidence();
+      (svc as any).configReader = {
+        getConfig: vi.fn(async () => ({
+          projectPath: '/repo',
+          members: [
+            { name: 'team-lead', providerId: 'codex', model: 'gpt-5.4' },
+            { name: 'bob', providerId: 'opencode', model: 'minimax-m2.5-free' },
+          ],
+        })),
+      };
+      (svc as any).teamMetaStore = {
+        getMeta: vi.fn(async () => ({
+          launchIdentity: { providerId: 'codex' },
+          providerId: 'codex',
+        })),
+      };
+      (svc as any).membersMetaStore = {
+        getMembers: vi.fn(async () => [
+          {
+            name: 'bob',
+            providerId: 'opencode',
+            model: 'opencode/minimax-m2.5-free',
+          },
+        ]),
+      };
+
+      await expect(
+        svc.deliverOpenCodeMemberMessage('team-a', {
+          memberName: 'bob',
+          text: 'Please answer for #abcd1234.',
+          messageId: 'msg-wrong-relay-1',
+          replyRecipient: 'user',
+          actionMode: 'ask',
+          taskRefs: [taskRef],
+          source: 'watcher',
+          inboxTimestamp: '2026-04-25T10:00:00.000Z',
+        })
+      ).resolves.toMatchObject({
+        delivered: true,
+        accepted: true,
+        responsePending: false,
+        responseState: 'responded_visible_message',
+        visibleReplyMessageId: 'reply-wrong-relay-1',
+        visibleReplyCorrelation: 'relayOfMessageId',
+        diagnostics: expect.arrayContaining([
+          'opencode_visible_reply_recovered_by_observed_message_id',
+          'opencode_visible_reply_relayOfMessageId_repaired',
+        ]),
+      });
+
+      const userInbox = JSON.parse(
+        await fsPromises.readFile(path.join(inboxDir, 'user.json'), 'utf8')
+      ) as Array<Record<string, unknown>>;
+      expect(userInbox).toHaveLength(1);
+      expect(userInbox[0]).toMatchObject({
+        messageId: 'reply-wrong-relay-1',
+        relayOfMessageId: 'msg-wrong-relay-1',
+        taskRefs: [taskRef],
+      });
+      expect(sendMessageToMember).toHaveBeenCalledTimes(1);
+    });
+
     it('accepts observed visible OpenCode user replies for lead-delegated inbox messages', async () => {
       const svc = new TeamProvisioningService();
       const sendMessageToMember = vi.fn(async (input: Record<string, unknown>) => ({
@@ -18736,14 +19646,20 @@ describe('TeamProvisioningService', () => {
     );
 
     await expect(
-      (svc as any).runMemberLifecycleOperation('same-team', 'bob', 'manual_restart', async () =>
-        'bob-ok'
+      (svc as any).runMemberLifecycleOperation(
+        'same-team',
+        'bob',
+        'manual_restart',
+        async () => 'bob-ok'
       )
     ).resolves.toBe('bob-ok');
 
     await expect(
-      (svc as any).runMemberLifecycleOperation('other-team', 'alice', 'manual_restart', async () =>
-        'other-ok'
+      (svc as any).runMemberLifecycleOperation(
+        'other-team',
+        'alice',
+        'manual_restart',
+        async () => 'other-ok'
       )
     ).resolves.toBe('other-ok');
 

test/main/services/team/TeamTaskActivityIntervalService.test.ts

@@ -30,6 +30,7 @@ describe('TeamTaskActivityIntervalService', () => {
 
   afterEach(async () => {
     vi.useRealTimers();
+    vi.restoreAllMocks();
     setClaudeBasePathOverride(null);
     if (tempDir) {
       await fs.rm(tempDir, { recursive: true, force: true });
@@ -112,15 +113,319 @@ describe('TeamTaskActivityIntervalService', () => {
     ]);
   });
 
-  it('resumes active work and current review intervals for the selected member', async () => {
+  it('materializes closed intervals for legacy active history timers on pause', async () => {
     await writeTask('alpha', {
-      id: 'task-1',
+      id: 'work-task',
+      subject: 'Build',
+      owner: 'bob',
+      status: 'in_progress',
+      historyEvents: [
+        {
+          id: 'event-work-started',
+          type: 'status_changed',
+          from: 'pending',
+          to: 'in_progress',
+          timestamp: '2026-05-08T10:00:00.000Z',
+        },
+      ],
+    });
+    await writeTask('alpha', {
+      id: 'review-task',
+      subject: 'Review',
+      owner: 'bob',
+      status: 'completed',
+      historyEvents: [
+        {
+          id: 'event-review-started',
+          type: 'review_started',
+          timestamp: '2026-05-08T10:05:00.000Z',
+          actor: 'alice',
+        },
+      ],
+    });
+
+    const result = new TeamTaskActivityIntervalService().pauseActiveIntervalsForTeam(
+      'alpha',
+      '2026-05-08T10:10:00.000Z'
+    );
+
+    expect(result.changedTasks).toBe(2);
+    expect((await readTask('alpha', 'work-task')).workIntervals).toEqual([
+      { startedAt: '2026-05-08T10:00:00.000Z', completedAt: '2026-05-08T10:10:00.000Z' },
+    ]);
+    expect((await readTask('alpha', 'review-task')).reviewIntervals).toEqual([
+      {
+        reviewer: 'alice',
+        startedAt: '2026-05-08T10:05:00.000Z',
+        completedAt: '2026-05-08T10:10:00.000Z',
+      },
+    ]);
+  });
+
+  it('does not backfill legacy history time once persisted intervals exist', async () => {
+    await writeTask('alpha', {
+      id: 'work-task',
+      subject: 'Build',
+      owner: 'bob',
+      status: 'in_progress',
+      workIntervals: [{ startedAt: '2026-05-08T10:20:00.000Z' }],
+      historyEvents: [
+        {
+          id: 'event-work-started',
+          type: 'status_changed',
+          from: 'pending',
+          to: 'in_progress',
+          timestamp: '2026-05-08T10:00:00.000Z',
+        },
+      ],
+    });
+    await writeTask('alpha', {
+      id: 'review-task',
+      subject: 'Review',
+      owner: 'bob',
+      status: 'completed',
+      reviewIntervals: [{ reviewer: 'alice', startedAt: '2026-05-08T10:25:00.000Z' }],
+      historyEvents: [
+        {
+          id: 'event-review-started',
+          type: 'review_started',
+          timestamp: '2026-05-08T10:05:00.000Z',
+          actor: 'alice',
+        },
+      ],
+    });
+
+    const result = new TeamTaskActivityIntervalService().pauseActiveIntervalsForTeam(
+      'alpha',
+      '2026-05-08T10:30:00.000Z'
+    );
+
+    expect(result.changedTasks).toBe(2);
+    expect((await readTask('alpha', 'work-task')).workIntervals).toEqual([
+      { startedAt: '2026-05-08T10:20:00.000Z', completedAt: '2026-05-08T10:30:00.000Z' },
+    ]);
+    expect((await readTask('alpha', 'review-task')).reviewIntervals).toEqual([
+      {
+        reviewer: 'alice',
+        startedAt: '2026-05-08T10:25:00.000Z',
+        completedAt: '2026-05-08T10:30:00.000Z',
+      },
+    ]);
+  });
+
+  it('backfills the active legacy cycle when only older persisted intervals exist', async () => {
+    await writeTask('alpha', {
+      id: 'work-task',
       subject: 'Build',
       owner: 'bob',
       status: 'in_progress',
       workIntervals: [
         { startedAt: '2026-05-08T10:00:00.000Z', completedAt: '2026-05-08T10:05:00.000Z' },
       ],
+      historyEvents: [
+        {
+          id: 'event-work-started-old',
+          type: 'status_changed',
+          from: 'pending',
+          to: 'in_progress',
+          timestamp: '2026-05-08T10:00:00.000Z',
+        },
+        {
+          id: 'event-work-paused-old',
+          type: 'status_changed',
+          from: 'in_progress',
+          to: 'completed',
+          timestamp: '2026-05-08T10:05:00.000Z',
+        },
+        {
+          id: 'event-work-started-current',
+          type: 'status_changed',
+          from: 'completed',
+          to: 'in_progress',
+          timestamp: '2026-05-08T10:20:00.000Z',
+        },
+      ],
+    });
+    await writeTask('alpha', {
+      id: 'review-task',
+      subject: 'Review',
+      owner: 'bob',
+      status: 'completed',
+      reviewIntervals: [
+        {
+          reviewer: 'alice',
+          startedAt: '2026-05-08T10:00:00.000Z',
+          completedAt: '2026-05-08T10:05:00.000Z',
+        },
+      ],
+      historyEvents: [
+        {
+          id: 'event-review-started-old',
+          type: 'review_started',
+          timestamp: '2026-05-08T10:00:00.000Z',
+          actor: 'alice',
+        },
+        {
+          id: 'event-review-approved-old',
+          type: 'review_approved',
+          timestamp: '2026-05-08T10:05:00.000Z',
+          actor: 'alice',
+        },
+        {
+          id: 'event-review-started-current',
+          type: 'review_started',
+          timestamp: '2026-05-08T10:20:00.000Z',
+          actor: 'alice',
+        },
+      ],
+    });
+
+    const result = new TeamTaskActivityIntervalService().pauseActiveIntervalsForTeam(
+      'alpha',
+      '2026-05-08T10:30:00.000Z'
+    );
+
+    expect(result.changedTasks).toBe(2);
+    expect((await readTask('alpha', 'work-task')).workIntervals).toEqual([
+      { startedAt: '2026-05-08T10:00:00.000Z', completedAt: '2026-05-08T10:05:00.000Z' },
+      { startedAt: '2026-05-08T10:20:00.000Z', completedAt: '2026-05-08T10:30:00.000Z' },
+    ]);
+    expect((await readTask('alpha', 'review-task')).reviewIntervals).toEqual([
+      {
+        reviewer: 'alice',
+        startedAt: '2026-05-08T10:00:00.000Z',
+        completedAt: '2026-05-08T10:05:00.000Z',
+      },
+      {
+        reviewer: 'alice',
+        startedAt: '2026-05-08T10:20:00.000Z',
+        completedAt: '2026-05-08T10:30:00.000Z',
+      },
+    ]);
+  });
+
+  it('ignores malformed persisted intervals when materializing legacy history timers', async () => {
+    await writeTask('alpha', {
+      id: 'work-task',
+      subject: 'Build',
+      owner: 'bob',
+      status: 'in_progress',
+      workIntervals: [{ completedAt: '2026-05-08T10:01:00.000Z' }],
+      historyEvents: [
+        {
+          id: 'event-work-started',
+          type: 'status_changed',
+          from: 'pending',
+          to: 'in_progress',
+          timestamp: '2026-05-08T10:00:00.000Z',
+        },
+      ],
+    });
+    await writeTask('alpha', {
+      id: 'review-task',
+      subject: 'Review',
+      owner: 'bob',
+      status: 'completed',
+      reviewIntervals: [{ startedAt: '2026-05-08T10:04:00.000Z' }],
+      historyEvents: [
+        {
+          id: 'event-review-started',
+          type: 'review_started',
+          timestamp: '2026-05-08T10:05:00.000Z',
+          actor: 'alice',
+        },
+      ],
+    });
+
+    const result = new TeamTaskActivityIntervalService().pauseActiveIntervalsForTeam(
+      'alpha',
+      '2026-05-08T10:10:00.000Z'
+    );
+
+    expect(result.changedTasks).toBe(2);
+    expect((await readTask('alpha', 'work-task')).workIntervals).toEqual([
+      { completedAt: '2026-05-08T10:01:00.000Z' },
+      { startedAt: '2026-05-08T10:00:00.000Z', completedAt: '2026-05-08T10:10:00.000Z' },
+    ]);
+    expect((await readTask('alpha', 'review-task')).reviewIntervals).toEqual([
+      { startedAt: '2026-05-08T10:04:00.000Z', completedAt: '2026-05-08T10:10:00.000Z' },
+      {
+        reviewer: 'alice',
+        startedAt: '2026-05-08T10:05:00.000Z',
+        completedAt: '2026-05-08T10:10:00.000Z',
+      },
+    ]);
+  });
+
+  it('normalizes invalid completedAt values before renderer filtering can fall back to history', async () => {
+    await writeTask('alpha', {
+      id: 'work-task',
+      subject: 'Build',
+      owner: 'bob',
+      status: 'in_progress',
+      workIntervals: [{ startedAt: '2026-05-08T10:02:00.000Z', completedAt: 'bad-date' }],
+      historyEvents: [
+        {
+          id: 'event-work-started',
+          type: 'status_changed',
+          from: 'pending',
+          to: 'in_progress',
+          timestamp: '2026-05-08T10:00:00.000Z',
+        },
+      ],
+    });
+    await writeTask('alpha', {
+      id: 'review-task',
+      subject: 'Review',
+      owner: 'bob',
+      status: 'completed',
+      reviewIntervals: [
+        { reviewer: 'alice', startedAt: '2026-05-08T10:06:00.000Z', completedAt: 456 },
+      ],
+      historyEvents: [
+        {
+          id: 'event-review-started',
+          type: 'review_started',
+          timestamp: '2026-05-08T10:05:00.000Z',
+          actor: 'alice',
+        },
+      ],
+    });
+
+    const result = new TeamTaskActivityIntervalService().pauseActiveIntervalsForTeam(
+      'alpha',
+      '2026-05-08T10:10:00.000Z'
+    );
+
+    expect(result.changedTasks).toBe(2);
+    expect((await readTask('alpha', 'work-task')).workIntervals).toEqual([
+      { startedAt: '2026-05-08T10:02:00.000Z', completedAt: '2026-05-08T10:02:00.000Z' },
+    ]);
+    expect((await readTask('alpha', 'review-task')).reviewIntervals).toEqual([
+      {
+        reviewer: 'alice',
+        startedAt: '2026-05-08T10:06:00.000Z',
+        completedAt: '2026-05-08T10:06:00.000Z',
+      },
+    ]);
+  });
+
+  it('resumes active work and current review intervals for the selected member', async () => {
+    await writeTask('alpha', {
+      id: 'work-task',
+      subject: 'Build',
+      owner: 'bob',
+      status: 'in_progress',
+      workIntervals: [
+        { startedAt: '2026-05-08T10:00:00.000Z', completedAt: '2026-05-08T10:05:00.000Z' },
+      ],
+      historyEvents: [],
+    });
+    await writeTask('alpha', {
+      id: 'review-task',
+      subject: 'Review',
+      owner: 'alice',
+      status: 'completed',
       reviewIntervals: [
         {
           reviewer: 'bob',
@@ -143,14 +448,15 @@ describe('TeamTaskActivityIntervalService', () => {
       'bob',
       '2026-05-08T10:20:00.000Z'
     );
-    const task = await readTask('alpha', 'task-1');
+    const workTask = await readTask('alpha', 'work-task');
+    const reviewTask = await readTask('alpha', 'review-task');
 
-    expect(result.changedTasks).toBe(1);
-    expect(task.workIntervals).toEqual([
+    expect(result.changedTasks).toBe(2);
+    expect(workTask.workIntervals).toEqual([
       { startedAt: '2026-05-08T10:00:00.000Z', completedAt: '2026-05-08T10:05:00.000Z' },
       { startedAt: '2026-05-08T10:20:00.000Z' },
     ]);
-    expect(task.reviewIntervals).toEqual([
+    expect(reviewTask.reviewIntervals).toEqual([
       {
         reviewer: 'bob',
         startedAt: '2026-05-08T10:06:00.000Z',
@@ -160,6 +466,131 @@ describe('TeamTaskActivityIntervalService', () => {
     ]);
   });
 
+  it('does not resume intervals before the active work or review start', async () => {
+    await writeTask('alpha', {
+      id: 'work-task',
+      subject: 'Build',
+      owner: 'bob',
+      status: 'in_progress',
+      historyEvents: [
+        {
+          id: 'event-work-started',
+          type: 'status_changed',
+          from: 'pending',
+          to: 'in_progress',
+          timestamp: '2026-05-08T10:05:00.000Z',
+        },
+      ],
+    });
+    await writeTask('alpha', {
+      id: 'review-task',
+      subject: 'Review',
+      owner: 'alice',
+      status: 'completed',
+      historyEvents: [
+        {
+          id: 'event-review-started',
+          type: 'review_started',
+          timestamp: '2026-05-08T10:06:00.000Z',
+          actor: 'bob',
+        },
+      ],
+    });
+
+    const result = new TeamTaskActivityIntervalService().resumeActiveIntervalsForMember(
+      'alpha',
+      'bob',
+      '2026-05-08T10:00:00.000Z'
+    );
+
+    expect(result.changedTasks).toBe(2);
+    expect((await readTask('alpha', 'work-task')).workIntervals).toEqual([
+      { startedAt: '2026-05-08T10:05:00.000Z' },
+    ]);
+    expect((await readTask('alpha', 'review-task')).reviewIntervals).toEqual([
+      { reviewer: 'bob', startedAt: '2026-05-08T10:06:00.000Z' },
+    ]);
+  });
+
+  it('resumes active intervals when existing open-like persisted intervals are malformed', async () => {
+    await writeTask('alpha', {
+      id: 'work-task',
+      subject: 'Build',
+      owner: 'bob',
+      status: 'in_progress',
+      workIntervals: [{ startedAt: '2026-05-08T10:10:00.000Z', completedAt: '' }],
+      historyEvents: [
+        {
+          id: 'event-work-started',
+          type: 'status_changed',
+          from: 'pending',
+          to: 'in_progress',
+          timestamp: '2026-05-08T10:00:00.000Z',
+        },
+      ],
+    });
+    await writeTask('alpha', {
+      id: 'review-task',
+      subject: 'Review',
+      owner: 'alice',
+      status: 'completed',
+      reviewIntervals: [
+        { reviewer: 'bob', startedAt: '2026-05-08T10:11:00.000Z', completedAt: 123 },
+      ],
+      historyEvents: [
+        {
+          id: 'event-review-started',
+          type: 'review_started',
+          timestamp: '2026-05-08T10:05:00.000Z',
+          actor: 'bob',
+        },
+      ],
+    });
+
+    const result = new TeamTaskActivityIntervalService().resumeActiveIntervalsForMember(
+      'alpha',
+      'bob',
+      '2026-05-08T10:20:00.000Z'
+    );
+
+    expect(result.changedTasks).toBe(2);
+    expect((await readTask('alpha', 'work-task')).workIntervals).toEqual([
+      { startedAt: '2026-05-08T10:10:00.000Z', completedAt: '' },
+      { startedAt: '2026-05-08T10:20:00.000Z' },
+    ]);
+    expect((await readTask('alpha', 'review-task')).reviewIntervals).toEqual([
+      { reviewer: 'bob', startedAt: '2026-05-08T10:11:00.000Z', completedAt: 123 },
+      { reviewer: 'bob', startedAt: '2026-05-08T10:20:00.000Z' },
+    ]);
+  });
+
+  it('does not resume review intervals for non-completed tasks with stale review history', async () => {
+    await writeTask('alpha', {
+      id: 'task-1',
+      subject: 'Build',
+      owner: 'bob',
+      status: 'pending',
+      historyEvents: [
+        {
+          id: 'event-review-started',
+          type: 'review_started',
+          timestamp: '2026-05-08T10:06:00.000Z',
+          actor: 'alice',
+        },
+      ],
+    });
+
+    const result = new TeamTaskActivityIntervalService().resumeActiveIntervalsForMember(
+      'alpha',
+      'alice',
+      '2026-05-08T10:20:00.000Z'
+    );
+    const task = await readTask('alpha', 'task-1');
+
+    expect(result.changedTasks).toBe(0);
+    expect(task.reviewIntervals).toBeUndefined();
+  });
+
   it('repairs stale open intervals using last runtime evidence plus a small grace window', async () => {
     vi.useFakeTimers();
     vi.setSystemTime(new Date('2026-05-08T12:00:00.000Z'));
@@ -219,6 +650,84 @@ describe('TeamTaskActivityIntervalService', () => {
     ]);
   });
 
+  it('repairs legacy active history timers into closed intervals after a crash', async () => {
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date('2026-05-08T12:00:00.000Z'));
+    await writeTask('alpha', {
+      id: 'work-task',
+      subject: 'Build',
+      owner: 'bob',
+      status: 'in_progress',
+      historyEvents: [
+        {
+          id: 'event-work-started',
+          type: 'status_changed',
+          from: 'pending',
+          to: 'in_progress',
+          timestamp: '2026-05-08T10:00:00.000Z',
+        },
+      ],
+    });
+    await writeTask('alpha', {
+      id: 'review-task',
+      subject: 'Review',
+      owner: 'bob',
+      status: 'completed',
+      historyEvents: [
+        {
+          id: 'event-review-started',
+          type: 'review_started',
+          timestamp: '2026-05-08T10:10:00.000Z',
+          actor: 'alice',
+        },
+      ],
+    });
+
+    const result = new TeamTaskActivityIntervalService().repairStaleIntervalsAfterCrash('alpha', {
+      version: 2,
+      teamName: 'alpha',
+      updatedAt: '2026-05-08T10:31:00.000Z',
+      launchPhase: 'active',
+      expectedMembers: ['bob', 'alice'],
+      members: {
+        bob: {
+          name: 'bob',
+          launchState: 'confirmed_alive',
+          agentToolAccepted: true,
+          runtimeAlive: true,
+          bootstrapConfirmed: true,
+          hardFailure: false,
+          runtimeLastSeenAt: '2026-05-08T10:30:00.000Z',
+          lastEvaluatedAt: '2026-05-08T10:31:00.000Z',
+        },
+        alice: {
+          name: 'alice',
+          launchState: 'confirmed_alive',
+          agentToolAccepted: true,
+          runtimeAlive: true,
+          bootstrapConfirmed: true,
+          hardFailure: false,
+          lastHeartbeatAt: '2026-05-08T10:20:00.000Z',
+          lastEvaluatedAt: '2026-05-08T10:31:00.000Z',
+        },
+      },
+      summary: { confirmedCount: 2, pendingCount: 0, failedCount: 0, runtimeAlivePendingCount: 0 },
+      teamLaunchState: 'clean_success',
+    });
+
+    expect(result.changedTasks).toBe(2);
+    expect((await readTask('alpha', 'work-task')).workIntervals).toEqual([
+      { startedAt: '2026-05-08T10:00:00.000Z', completedAt: '2026-05-08T10:30:05.000Z' },
+    ]);
+    expect((await readTask('alpha', 'review-task')).reviewIntervals).toEqual([
+      {
+        reviewer: 'alice',
+        startedAt: '2026-05-08T10:10:00.000Z',
+        completedAt: '2026-05-08T10:20:05.000Z',
+      },
+    ]);
+  });
+
   it('repairs stale open intervals near their start time when no runtime evidence exists', async () => {
     vi.useFakeTimers();
     vi.setSystemTime(new Date('2026-05-08T12:00:00.000Z'));
@@ -247,4 +756,16 @@ describe('TeamTaskActivityIntervalService', () => {
       },
     ]);
   });
+
+  it('reports failure when task files cannot be scanned', async () => {
+    await fs.mkdir(path.join(tempDir, 'tasks'), { recursive: true });
+    await fs.writeFile(path.join(tempDir, 'tasks', 'alpha'), 'not a directory', 'utf8');
+
+    const result = new TeamTaskActivityIntervalService().pauseActiveIntervalsForTeam(
+      'alpha',
+      '2026-05-08T10:10:00.000Z'
+    );
+
+    expect(result).toEqual({ changedTasks: 0, failed: true });
+  });
 });

test/main/services/team/TeamTaskWriter.test.ts

@@ -134,6 +134,28 @@ describe('TeamTaskWriter', () => {
     });
   });
 
+  it('opens a new work interval when the previous completedAt is malformed', async () => {
+    hoisted.files.set(
+      taskPath,
+      JSON.stringify({
+        id: '12',
+        subject: 'task',
+        owner: 'alice',
+        status: 'pending',
+        workIntervals: [{ startedAt: '2026-05-02T10:00:00.000Z', completedAt: '' }],
+      })
+    );
+
+    await writer.updateStatus('my-team', '12', 'in_progress');
+
+    const persisted = JSON.parse(hoisted.files.get(taskPath) ?? '{}') as {
+      workIntervals?: { startedAt?: string; completedAt?: string }[];
+    };
+    expect(persisted.workIntervals).toHaveLength(2);
+    expect(persisted.workIntervals?.[0]?.completedAt).toBe('');
+    expect(persisted.workIntervals?.[1]?.completedAt).toBeUndefined();
+  });
+
   it('throws when verify detects conflicting status', async () => {
     hoisted.files.set(
       taskPath,
@@ -217,7 +239,13 @@ describe('TeamTaskWriter', () => {
           subject: 'task',
           status: 'pending',
           historyEvents: [
-            { type: 'task_created', id: 'ev1', status: 'pending', timestamp: '2024-01-01T00:00:00.000Z', actor: 'user' },
+            {
+              type: 'task_created',
+              id: 'ev1',
+              status: 'pending',
+              timestamp: '2024-01-01T00:00:00.000Z',
+              actor: 'user',
+            },
           ],
         })
       );
@@ -264,8 +292,19 @@ describe('TeamTaskWriter', () => {
           subject: 'task',
           status: 'in_progress',
           historyEvents: [
-            { type: 'task_created', id: 'ev1', status: 'pending', timestamp: '2024-01-01T00:00:00.000Z' },
-            { type: 'status_changed', id: 'ev2', from: 'pending', to: 'in_progress', timestamp: '2024-01-01T00:01:00.000Z' },
+            {
+              type: 'task_created',
+              id: 'ev1',
+              status: 'pending',
+              timestamp: '2024-01-01T00:00:00.000Z',
+            },
+            {
+              type: 'status_changed',
+              id: 'ev2',
+              from: 'pending',
+              to: 'in_progress',
+              timestamp: '2024-01-01T00:01:00.000Z',
+            },
           ],
         })
       );
@@ -291,8 +330,19 @@ describe('TeamTaskWriter', () => {
           status: 'deleted',
           deletedAt: '2024-01-01T00:02:00.000Z',
           historyEvents: [
-            { type: 'task_created', id: 'ev1', status: 'pending', timestamp: '2024-01-01T00:00:00.000Z' },
-            { type: 'status_changed', id: 'ev2', from: 'pending', to: 'deleted', timestamp: '2024-01-01T00:02:00.000Z' },
+            {
+              type: 'task_created',
+              id: 'ev1',
+              status: 'pending',
+              timestamp: '2024-01-01T00:00:00.000Z',
+            },
+            {
+              type: 'status_changed',
+              id: 'ev2',
+              from: 'pending',
+              to: 'deleted',
+              timestamp: '2024-01-01T00:02:00.000Z',
+            },
           ],
         })
       );
@@ -342,7 +392,12 @@ describe('TeamTaskWriter', () => {
           owner: 'alice',
           status: 'pending',
           historyEvents: [
-            { type: 'task_created', id: 'ev1', status: 'pending', timestamp: '2024-01-01T00:00:00.000Z' },
+            {
+              type: 'task_created',
+              id: 'ev1',
+              status: 'pending',
+              timestamp: '2024-01-01T00:00:00.000Z',
+            },
           ],
         })
       );

test/main/services/team/stallMonitor/TeamTaskStallPolicy.test.ts

@@ -2,7 +2,10 @@ import { describe, expect, it } from 'vitest';
 
 import { TeamTaskStallPolicy } from '../../../../../src/main/services/team/stallMonitor/TeamTaskStallPolicy';
 
-import type { TeamTaskStallExactRow, TeamTaskStallSnapshot } from '../../../../../src/main/services/team/stallMonitor/TeamTaskStallTypes';
+import type {
+  TeamTaskStallExactRow,
+  TeamTaskStallSnapshot,
+} from '../../../../../src/main/services/team/stallMonitor/TeamTaskStallTypes';
 import type { BoardTaskActivityRecord } from '../../../../../src/main/services/team/taskLogs/activity/BoardTaskActivityRecord';
 import type { ParsedMessage } from '../../../../../src/main/types';
 import type { TeamTask } from '../../../../../src/shared/types';
@@ -105,6 +108,33 @@ function createSnapshot(overrides: Partial<TeamTaskStallSnapshot>): TeamTaskStal
 describe('TeamTaskStallPolicy', () => {
   const policy = new TeamTaskStallPolicy();
 
+  it('does not treat malformed empty completedAt as an open work interval', () => {
+    const task: TeamTask = {
+      id: 'task-closed-empty',
+      displayId: 'feed0000',
+      subject: 'Malformed closed interval',
+      owner: 'alice',
+      status: 'in_progress',
+      workIntervals: [{ startedAt: '2026-04-19T11:50:00.000Z', completedAt: '' }],
+    };
+
+    const evaluation = policy.evaluateWork({
+      now: new Date('2026-04-19T12:30:00.000Z'),
+      task,
+      snapshot: createSnapshot({
+        activeTasks: [task],
+        allTasksById: new Map([[task.id, task]]),
+        inProgressTasks: [task],
+      }),
+    });
+
+    expect(evaluation).toMatchObject({
+      status: 'skip',
+      taskId: 'task-closed-empty',
+      skipReason: 'no_open_work_interval',
+    });
+  });
+
   it('alerts for work stall after turn ended and threshold elapsed', () => {
     const task: TeamTask = {
       id: 'task-a',

test/main/services/team/teamTaskActiveState.test.ts

@@ -326,4 +326,36 @@ describe('selectCurrentActiveTeamTask', () => {
 
     expect(selected?.id).toBe('task-a');
   });
+
+  it('does not treat malformed empty completedAt as an open work interval', () => {
+    const tasks: TeamTaskWithKanban[] = [
+      {
+        id: 'task-a',
+        displayId: '1',
+        subject: 'Malformed closed interval',
+        status: 'in_progress',
+        workIntervals: [{ startedAt: '2026-05-06T13:00:00.000Z', completedAt: '' }],
+        historyEvents: [
+          {
+            id: 'event-a',
+            type: 'status_changed',
+            from: 'pending',
+            to: 'in_progress',
+            timestamp: '2026-05-06T10:00:00.000Z',
+          },
+        ],
+      },
+      {
+        id: 'task-b',
+        displayId: '2',
+        subject: 'Real active task',
+        status: 'in_progress',
+        workIntervals: [{ startedAt: '2026-05-06T11:00:00.000Z' }],
+      },
+    ];
+
+    const selected = selectCurrentActiveTeamTask(tasks);
+
+    expect(selected?.id).toBe('task-b');
+  });
 });

test/renderer/components/team/members/MemberLogStreamSection.fixture-e2e.test.tsx

@@ -10,6 +10,8 @@ import { GetMemberLogStreamUseCase } from '../../../../../src/features/member-lo
 import {
   type MemberLogStreamRequestOptions,
   type MemberLogStreamResponse,
+  type MemberRuntimeLogTailOptions,
+  type MemberRuntimeLogTailResponse,
 } from '../../../../../src/features/member-log-stream/contracts';
 import { ClaudeMemberTranscriptStreamSource } from '../../../../../src/features/member-log-stream/main/adapters/output/sources/ClaudeMemberTranscriptStreamSource';
 import { OpenCodeMemberRuntimeStreamSource } from '../../../../../src/features/member-log-stream/main/adapters/output/sources/OpenCodeMemberRuntimeStreamSource';
@@ -42,6 +44,14 @@ const apiState = {
       ) => Promise<MemberLogStreamResponse>
     >(),
   setMemberLogStreamTracking: vi.fn<(teamName: string, enabled: boolean) => Promise<void>>(),
+  getMemberRuntimeLogTail:
+    vi.fn<
+      (
+        teamName: string,
+        memberName: string,
+        options: MemberRuntimeLogTailOptions
+      ) => Promise<MemberRuntimeLogTailResponse>
+    >(),
   onTeamChange: vi.fn<(callback: (event: unknown, data: unknown) => void) => () => void>(),
 };
 
@@ -53,6 +63,9 @@ vi.mock('@renderer/api', () => ({
       setMemberLogStreamTracking: (
         ...args: Parameters<typeof apiState.setMemberLogStreamTracking>
       ) => apiState.setMemberLogStreamTracking(...args),
+      getMemberRuntimeLogTail: (
+        ...args: Parameters<typeof apiState.getMemberRuntimeLogTail>
+      ) => apiState.getMemberRuntimeLogTail(...args),
     },
     teams: {
       onTeamChange: (...args: Parameters<typeof apiState.onTeamChange>) =>
@@ -266,6 +279,7 @@ describe('MemberLogStreamSection real fixture e2e', () => {
     document.body.innerHTML = '';
     apiState.getMemberLogStream.mockReset();
     apiState.setMemberLogStreamTracking.mockReset();
+    apiState.getMemberRuntimeLogTail.mockReset();
     apiState.onTeamChange.mockReset();
     vi.unstubAllGlobals();
     await Promise.all(
@@ -280,6 +294,13 @@ describe('MemberLogStreamSection real fixture e2e', () => {
     stubMatchMedia();
     apiState.onTeamChange.mockImplementation(() => () => undefined);
     apiState.setMemberLogStreamTracking.mockResolvedValue(undefined);
+    apiState.getMemberRuntimeLogTail.mockResolvedValue({
+      kind: 'stdout',
+      content: 'process stdout line',
+      truncated: false,
+      bytesRead: 19,
+      missing: false,
+    });
 
     const { useCase, getOpenCodeTranscript, findRecentMemberLogFileRefsByMember } =
       await createFixtureUseCase();
@@ -375,4 +396,75 @@ describe('MemberLogStreamSection real fixture e2e', () => {
     expect(apiState.setMemberLogStreamTracking).toHaveBeenCalledWith(TEAM_NAME, true);
     expect(apiState.setMemberLogStreamTracking).toHaveBeenCalledWith(TEAM_NAME, false);
   });
+
+  it('loads bounded process runtime logs after switching the Logs UI to Process', async () => {
+    vi.stubGlobal('IS_REACT_ACT_ENVIRONMENT', true);
+    stubMatchMedia();
+    apiState.onTeamChange.mockImplementation(() => () => undefined);
+    apiState.setMemberLogStreamTracking.mockResolvedValue(undefined);
+    apiState.getMemberLogStream.mockResolvedValue({
+      participants: [],
+      defaultFilter: 'all',
+      segments: [],
+      source: 'member_empty',
+      coverage: [],
+      warnings: [],
+      truncated: false,
+      generatedAt: GENERATED_AT,
+      metadata: {
+        scannedTranscriptFileCount: 0,
+        includedTranscriptFileCount: 0,
+        droppedSegmentCount: 0,
+        droppedChunkCount: 0,
+        droppedMessageCount: 0,
+      },
+    });
+    apiState.getMemberRuntimeLogTail.mockResolvedValue({
+      kind: 'stdout',
+      content: 'process stdout line',
+      truncated: false,
+      bytesRead: 19,
+      missing: false,
+    });
+
+    const host = document.createElement('div');
+    document.body.appendChild(host);
+    const root = createRoot(host);
+
+    await act(async () => {
+      root.render(
+        React.createElement(
+          TooltipProvider,
+          null,
+          React.createElement(MemberLogStreamSection, {
+            teamName: TEAM_NAME,
+            member: createMember(),
+          })
+        )
+      );
+      await flushMicrotasks();
+    });
+
+    const processButton = Array.from(host.querySelectorAll('button')).find(
+      (button) => button.textContent?.trim() === 'Process'
+    ) as HTMLButtonElement | undefined;
+    expect(processButton).toBeTruthy();
+
+    await act(async () => {
+      processButton?.dispatchEvent(new MouseEvent('click', { bubbles: true }));
+      await flushAsyncWork();
+    });
+
+    await waitForText(host, (content) => content.includes('process stdout line'));
+    expect(apiState.getMemberRuntimeLogTail).toHaveBeenCalledWith(TEAM_NAME, MEMBER_NAME, {
+      kind: 'stdout',
+      maxBytes: 128 * 1024,
+      forceRefresh: true,
+    });
+
+    await act(async () => {
+      root.unmount();
+      await flushMicrotasks();
+    });
+  });
 });

test/renderer/components/team/members/MemberLogsTab.test.ts

@@ -0,0 +1,65 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+
+import { filterChunksByWorkIntervals } from '@renderer/components/team/members/MemberLogsTab';
+
+function makeChunk(id: string, start: string, end: string) {
+  return {
+    id,
+    startTime: new Date(start),
+    endTime: new Date(end),
+  } as never;
+}
+
+describe('MemberLogsTab work interval filtering', () => {
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
+  it('does not treat malformed empty completedAt as an open interval', () => {
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date('2026-05-08T11:00:00.000Z'));
+    const chunks = [
+      makeChunk('near-start', '2026-05-08T09:59:50.000Z', '2026-05-08T10:00:05.000Z'),
+      makeChunk('late', '2026-05-08T10:30:00.000Z', '2026-05-08T10:30:05.000Z'),
+    ];
+
+    const filtered = filterChunksByWorkIntervals(chunks, [
+      { startedAt: '2026-05-08T10:00:00.000Z', completedAt: '' },
+    ]);
+
+    expect(filtered?.map((chunk) => chunk.id)).toEqual(['near-start']);
+  });
+
+  it('clamps completedAt before startedAt to a closed start window', () => {
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date('2026-05-08T11:00:00.000Z'));
+    const chunks = [
+      makeChunk('near-start', '2026-05-08T09:59:50.000Z', '2026-05-08T10:00:05.000Z'),
+      makeChunk('late', '2026-05-08T10:30:00.000Z', '2026-05-08T10:30:05.000Z'),
+    ];
+
+    const filtered = filterChunksByWorkIntervals(chunks, [
+      {
+        startedAt: '2026-05-08T10:00:00.000Z',
+        completedAt: '2026-05-08T09:59:00.000Z',
+      },
+    ]);
+
+    expect(filtered?.map((chunk) => chunk.id)).toEqual(['near-start']);
+  });
+
+  it('keeps undefined completedAt as the only open interval shape', () => {
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date('2026-05-08T11:00:00.000Z'));
+    const chunks = [
+      makeChunk('near-start', '2026-05-08T09:59:50.000Z', '2026-05-08T10:00:05.000Z'),
+      makeChunk('late', '2026-05-08T10:30:00.000Z', '2026-05-08T10:30:05.000Z'),
+    ];
+
+    const filtered = filterChunksByWorkIntervals(chunks, [
+      { startedAt: '2026-05-08T10:00:00.000Z' },
+    ]);
+
+    expect(filtered?.map((chunk) => chunk.id)).toEqual(['near-start', 'late']);
+  });
+});

test/renderer/utils/memberActivityTimer.test.ts

@@ -116,6 +116,36 @@ describe('memberActivityTimer', () => {
     ).toBeNull();
   });
 
+  it('does not treat invalid empty completedAt values as active work or review intervals', () => {
+    const workTask: TeamTaskWithKanban = {
+      ...baseTask,
+      workIntervals: [{ startedAt: '2026-05-07T09:10:00.000Z', completedAt: '' }],
+    };
+    expect(
+      deriveWorkActivityTimerAnchor(workTask, {
+        teamName: 'alpha',
+        memberName: 'bob',
+      })
+    ).toBeNull();
+
+    const reviewTask: TeamTaskWithKanban = {
+      ...baseTask,
+      status: 'completed',
+      reviewState: 'review',
+      kanbanColumn: 'review',
+      reviewer: 'alice',
+      reviewIntervals: [
+        { reviewer: 'alice', startedAt: '2026-05-07T09:30:00.000Z', completedAt: '' },
+      ],
+    };
+    expect(
+      deriveReviewActivityTimerAnchor(reviewTask, {
+        teamName: 'alpha',
+        memberName: 'alice',
+      })
+    ).toBeNull();
+  });
+
   it('anchors review timers only after the reviewer actually starts review', () => {
     const assignedOnly: TeamTaskWithKanban = {
       ...baseTask,

test/renderer/utils/memberHelpers.test.ts

@@ -864,6 +864,23 @@ describe('memberHelpers spawn-aware presence', () => {
     expect(title).not.toContain('non_visible_tool_without_task_progress');
   });
 
+  it('formats missing taskRefs advisory reasons before showing them in titles', () => {
+    const title = getMemberRuntimeAdvisoryTitle(
+      {
+        kind: 'api_error',
+        observedAt: '2026-04-07T09:00:00.000Z',
+        reasonCode: 'protocol_proof_missing',
+        message: 'visible_reply_missing_task_refs',
+      },
+      'opencode'
+    );
+
+    expect(title).toContain(
+      'OpenCode created a reply without the required taskRefs metadata.'
+    );
+    expect(title).not.toContain('visible_reply_missing_task_refs');
+  });
+
   it('renders Codex native timeout separately from network errors', () => {
     const advisory = {
       kind: 'api_error' as const,

test/renderer/utils/openCodeRuntimeDeliveryDiagnostics.test.ts

@@ -98,4 +98,25 @@ describe('openCodeRuntimeDeliveryDiagnostics', () => {
       'OpenCode runtime delivery failed. Message was saved to inbox, but live delivery did not complete. Reason: OpenCode used tools, but did not create a visible reply or task progress proof.'
     );
   });
+
+  it('surfaces missing taskRefs proof as a readable failure', () => {
+    const diagnostics = buildOpenCodeRuntimeDeliveryDiagnostics({
+      deliveredToInbox: true,
+      messageId: 'msg-taskrefs-required',
+      runtimeDelivery: {
+        providerId: 'opencode',
+        attempted: true,
+        delivered: false,
+        responsePending: false,
+        responseState: 'responded_visible_message',
+        ledgerStatus: 'failed_terminal',
+        reason: 'visible_reply_missing_task_refs',
+        diagnostics: ['visible_reply_missing_task_refs'],
+      },
+    });
+
+    expect(diagnostics.warning).toBe(
+      'OpenCode runtime delivery failed. Message was saved to inbox, but live delivery did not complete. Reason: OpenCode created a reply without the required taskRefs metadata.'
+    );
+  });
 });

test/shared/utils/taskWorkDuration.test.ts

@@ -53,6 +53,39 @@ describe('taskWorkDuration', () => {
     });
   });
 
+  it('does not treat empty completedAt strings as running implementation time', () => {
+    const duration = calculateTaskImplementationDuration(
+      {
+        status: 'in_progress',
+        workIntervals: [{ startedAt: '2026-05-08T10:00:00.000Z', completedAt: '' }],
+      },
+      Date.parse('2026-05-08T10:30:00.000Z')
+    );
+
+    expect(duration).toEqual({
+      elapsedMs: 0,
+      hasRunningInterval: false,
+      countedIntervalCount: 0,
+    });
+
+    expect(
+      calculateTaskImplementationEventDuration(
+        {
+          status: 'in_progress',
+          workIntervals: [{ startedAt: '2026-05-08T10:00:00.000Z', completedAt: '' }],
+        },
+        {
+          id: 'event-started',
+          timestamp: '2026-05-08T10:00:00.000Z',
+          type: 'status_changed',
+          from: 'pending',
+          to: 'in_progress',
+        },
+        Date.parse('2026-05-08T10:30:00.000Z')
+      )
+    ).toBeNull();
+  });
+
   it('merges overlapping intervals to avoid double counting malformed data', () => {
     const duration = calculateTaskImplementationDuration(
       {