feat(v2.4): 切换计划与开发任务主写

apps/server/src/app.module.ts

@@ -6,6 +6,8 @@ import { ProductModule } from './modules/product/product.module';
 import { ProjectModule } from './modules/project/project.module';
 import { RequirementModule } from './modules/requirement/requirement.module';
 import { VersionModule } from './modules/version/version.module';
+import { VersionPlanModule } from './modules/version-plan/version-plan.module';
+import { DevTaskModule } from './modules/dev-task/dev-task.module';
 import { AiModule } from './modules/ai/ai.module';
 import { ConfigModule } from './modules/config/config.module';
 import { DataModule } from './modules/data/data.module';
@@ -19,6 +21,8 @@ import { HealthModule } from './modules/health/health.module';
     ProductModule,
     ProjectModule,
     VersionModule,
+    VersionPlanModule,
+    DevTaskModule,
     RequirementModule,
     ConfigModule,
     DataModule,

apps/server/src/modules/dev-task/dev-task.controller.ts

@@ -0,0 +1,57 @@
+import { Body, Controller, Delete, Get, Param, Patch, Post } from '@nestjs/common';
+import { CreateDevTaskDto } from './dto/create-dev-task.dto';
+import { UpdateDevTaskDto } from './dto/update-dev-task.dto';
+import { DevTaskService } from './dev-task.service';
+
+@Controller('versions/:versionId/dev-tasks')
+export class DevTaskController {
+  constructor(private readonly devTaskService: DevTaskService) {}
+
+  @Post()
+  create(@Param('versionId') versionId: string, @Body() dto: CreateDevTaskDto) {
+    return this.devTaskService.create(versionId, dto);
+  }
+
+  @Get()
+  findAll(@Param('versionId') versionId: string) {
+    return this.devTaskService.findAll(versionId);
+  }
+
+  @Patch(':id')
+  update(@Param('versionId') versionId: string, @Param('id') id: string, @Body() dto: UpdateDevTaskDto) {
+    return this.devTaskService.update(versionId, id, dto);
+  }
+
+  @Patch(':id/status')
+  updateStatus(
+    @Param('versionId') versionId: string,
+    @Param('id') id: string,
+    @Body('status') status: string,
+  ) {
+    return this.devTaskService.updateStatus(versionId, id, status);
+  }
+
+  @Patch(':id/block')
+  setBlocked(
+    @Param('versionId') versionId: string,
+    @Param('id') id: string,
+    @Body('blocked') blocked: boolean,
+    @Body('reason') reason?: string,
+  ) {
+    return this.devTaskService.setBlocked(versionId, id, blocked, reason);
+  }
+
+  @Patch(':id/transfer')
+  transfer(
+    @Param('versionId') versionId: string,
+    @Param('id') id: string,
+    @Body('assigneeId') assigneeId: string,
+  ) {
+    return this.devTaskService.transfer(versionId, id, assigneeId);
+  }
+
+  @Delete(':id')
+  remove(@Param('versionId') versionId: string, @Param('id') id: string) {
+    return this.devTaskService.remove(versionId, id);
+  }
+}

apps/server/src/modules/dev-task/dev-task.module.ts

@@ -0,0 +1,12 @@
+import { Module } from '@nestjs/common';
+import { WorkActivityModule } from '../work-activity/work-activity.module';
+import { DevTaskController } from './dev-task.controller';
+import { DevTaskService } from './dev-task.service';
+
+@Module({
+  imports: [WorkActivityModule],
+  controllers: [DevTaskController],
+  providers: [DevTaskService],
+  exports: [DevTaskService],
+})
+export class DevTaskModule {}

apps/server/src/modules/dev-task/dev-task.service.spec.ts

@@ -0,0 +1,153 @@
+import { NotFoundException } from '@nestjs/common';
+import { DevTaskService } from './dev-task.service';
+
+describe('DevTaskService domain writes', () => {
+  const makeService = () => {
+    const workActivity = {
+      record: jest.fn().mockResolvedValue({ id: 'activity-1' }),
+    };
+    const prisma = {
+      version: {
+        findUnique: jest.fn(),
+      },
+      devTask: {
+        create: jest.fn(),
+        delete: jest.fn(),
+        findFirst: jest.fn(),
+        findMany: jest.fn(),
+        update: jest.fn(),
+      },
+    };
+
+    return {
+      prisma,
+      workActivity,
+      service: new DevTaskService(prisma as any, workActivity as any),
+    };
+  };
+
+  it('creates dev tasks directly under a version partition', async () => {
+    const { prisma, workActivity, service } = makeService();
+    prisma.version.findUnique.mockResolvedValue({ id: 'version-1', productId: 'product-1', projectId: 'project-1' });
+    prisma.devTask.create.mockResolvedValue({ id: 'task-1', versionId: 'version-1', title: '开发登录' });
+
+    await service.create('version-1', {
+      requirementId: 'req-1',
+      requirementProductId: 'product-1',
+      taskNo: 'DEV-001',
+      title: '开发登录',
+      categoryId: 'cat-fe',
+      assigneeId: 'member-1',
+      priority: 'P1',
+      expectedStartAt: '2026-07-08T09:00:00.000Z',
+      expectedEndAt: '2026-07-08T18:00:00.000Z',
+      estimateHours: 8,
+      references: [{ type: 'requirement', id: 'REQ-001', label: 'REQ-001 登录' }],
+      createdBy: 'member-pm',
+    } as any);
+
+    expect(prisma.devTask.create).toHaveBeenCalledWith({
+      data: expect.objectContaining({
+        versionId: 'version-1',
+        productId: 'product-1',
+        projectId: 'project-1',
+        requirementId: 'req-1',
+        requirementProductId: 'product-1',
+        code: 'DEV-001',
+        title: '开发登录',
+        categoryId: 'cat-fe',
+        assigneeId: 'member-1',
+        priority: 1,
+        expectedStartAt: new Date('2026-07-08T09:00:00.000Z'),
+        expectedEndAt: new Date('2026-07-08T18:00:00.000Z'),
+        estimateHours: 8,
+      }),
+    });
+    expect(workActivity.record).toHaveBeenCalledWith(expect.objectContaining({
+      versionId: 'version-1',
+      sourceType: 'dev_task',
+      sourceId: 'task-1',
+      action: 'dev_task_created',
+    }));
+  });
+
+  it('changes status by id plus version id and records activity evidence', async () => {
+    const { prisma, workActivity, service } = makeService();
+    prisma.devTask.findFirst.mockResolvedValue({
+      id: 'task-1',
+      versionId: 'version-1',
+      productId: 'product-1',
+      projectId: 'project-1',
+      status: 'todo',
+      title: '开发登录',
+      assigneeId: 'member-1',
+    });
+    prisma.devTask.update.mockResolvedValue({
+      id: 'task-1',
+      versionId: 'version-1',
+      productId: 'product-1',
+      projectId: 'project-1',
+      status: 'in_progress',
+      title: '开发登录',
+      assigneeId: 'member-1',
+    });
+
+    await service.updateStatus('version-1', 'task-1', 'in_progress');
+
+    expect(prisma.devTask.update).toHaveBeenCalledWith({
+      where: { id_versionId: { id: 'task-1', versionId: 'version-1' } },
+      data: expect.objectContaining({
+        status: 'in_progress',
+        startDate: expect.any(Date),
+      }),
+    });
+    expect(workActivity.record).toHaveBeenCalledWith(expect.objectContaining({
+      versionId: 'version-1',
+      sourceType: 'dev_task',
+      sourceId: 'task-1',
+      action: 'dev_task_started',
+    }));
+  });
+
+  it('blocks and unblocks tasks inside the version partition', async () => {
+    const { prisma, workActivity, service } = makeService();
+    prisma.devTask.findFirst.mockResolvedValue({
+      id: 'task-1',
+      versionId: 'version-1',
+      productId: 'product-1',
+      projectId: 'project-1',
+      status: 'in_progress',
+      title: '开发登录',
+      assigneeId: 'member-1',
+    });
+    prisma.devTask.update.mockResolvedValue({
+      id: 'task-1',
+      versionId: 'version-1',
+      productId: 'product-1',
+      projectId: 'project-1',
+      isBlocked: true,
+      blockReason: '接口未就绪',
+      title: '开发登录',
+      assigneeId: 'member-1',
+    });
+
+    await service.setBlocked('version-1', 'task-1', true, '接口未就绪');
+
+    expect(prisma.devTask.update).toHaveBeenCalledWith({
+      where: { id_versionId: { id: 'task-1', versionId: 'version-1' } },
+      data: { isBlocked: true, blockReason: '接口未就绪' },
+    });
+    expect(workActivity.record).toHaveBeenCalledWith(expect.objectContaining({
+      action: 'dev_task_blocked',
+      metadata: expect.objectContaining({ blocker: '接口未就绪' }),
+    }));
+  });
+
+  it('rejects updates outside the version partition', async () => {
+    const { prisma, service } = makeService();
+    prisma.devTask.findFirst.mockResolvedValue(null);
+
+    await expect(service.update('version-1', 'missing-task', { title: 'Ghost' })).rejects.toBeInstanceOf(NotFoundException);
+    expect(prisma.devTask.update).not.toHaveBeenCalled();
+  });
+});

apps/server/src/modules/dev-task/dev-task.service.ts

@@ -0,0 +1,205 @@
+import { BadRequestException, Injectable, NotFoundException } from '@nestjs/common';
+import type { Prisma } from '@prisma/client';
+import { PrismaService } from '../../prisma/prisma.service';
+import { WorkActivityService } from '../work-activity/work-activity.service';
+import { CreateDevTaskDto } from './dto/create-dev-task.dto';
+import { UpdateDevTaskDto } from './dto/update-dev-task.dto';
+
+@Injectable()
+export class DevTaskService {
+  constructor(
+    private readonly prisma: PrismaService,
+    private readonly workActivity: WorkActivityService,
+  ) {}
+
+  async create(versionId: string, dto: CreateDevTaskDto) {
+    const version = await this.ensureVersion(versionId);
+    if (!version.projectId) {
+      throw new BadRequestException('开发任务所属版本必须归属于项目');
+    }
+    const item = await this.prisma.devTask.create({
+      data: {
+        ...this.toTaskData(dto),
+        versionId,
+        productId: version.productId,
+        projectId: version.projectId,
+        code: dto.code?.trim() || dto.taskNo?.trim() || createFallbackDevCode(),
+        title: dto.title,
+        status: dto.status ?? 'todo',
+        isBlocked: dto.isBlocked ?? false,
+      },
+    });
+    const activity = await this.recordTaskActivity(item, 'dev_task_created', 'creation', `新建开发任务：${item.title}`);
+    return { item, activities: [activity] };
+  }
+
+  findAll(versionId: string) {
+    return this.prisma.devTask.findMany({
+      where: { versionId },
+      orderBy: [{ status: 'asc' }, { updatedAt: 'desc' }],
+    });
+  }
+
+  async update(versionId: string, id: string, dto: UpdateDevTaskDto) {
+    await this.ensureTaskInVersion(versionId, id);
+    const item = await this.prisma.devTask.update({
+      where: { id_versionId: { id, versionId } },
+      data: this.toTaskData(dto),
+    });
+    return { item, activities: [] };
+  }
+
+  async updateStatus(versionId: string, id: string, status: string) {
+    const current = await this.ensureTaskInVersion(versionId, id);
+    const data: Record<string, unknown> = { status };
+    if (status === 'in_progress' && !current.startDate) data.startDate = new Date();
+    if (status === 'submitted' && !current.completedAt) data.completedAt = new Date();
+    const item = await this.prisma.devTask.update({
+      where: { id_versionId: { id, versionId } },
+      data,
+    });
+    const activity = await this.recordStatusActivity(item, current.status, status);
+    return { item, activities: activity ? [activity] : [] };
+  }
+
+  async setBlocked(versionId: string, id: string, blocked: boolean, reason?: string) {
+    await this.ensureTaskInVersion(versionId, id);
+    const item = await this.prisma.devTask.update({
+      where: { id_versionId: { id, versionId } },
+      data: {
+        isBlocked: blocked,
+        blockReason: blocked ? reason : null,
+      },
+    });
+    const activity = await this.recordTaskActivity(
+      item,
+      blocked ? 'dev_task_blocked' : 'dev_task_unblocked',
+      blocked ? 'risk' : 'progress',
+      blocked ? `标记阻塞：${reason?.trim() || item.title}` : `解除阻塞：${item.title}`,
+      { blocker: blocked ? reason : undefined },
+    );
+    return { item, activities: [activity] };
+  }
+
+  async transfer(versionId: string, id: string, assigneeId: string) {
+    const current = await this.ensureTaskInVersion(versionId, id);
+    const item = await this.prisma.devTask.update({
+      where: { id_versionId: { id, versionId } },
+      data: { assigneeId },
+    });
+    const activity = await this.recordTaskActivity(
+      item,
+      'dev_task_transferred',
+      'progress',
+      `转派开发任务：${item.title}`,
+      { fromAssigneeId: current.assigneeId, toAssigneeId: assigneeId },
+    );
+    return { item, activities: [activity] };
+  }
+
+  async remove(versionId: string, id: string) {
+    await this.ensureTaskInVersion(versionId, id);
+    return this.prisma.devTask.delete({ where: { id_versionId: { id, versionId } } });
+  }
+
+  private toTaskData(dto: Partial<CreateDevTaskDto>) {
+    return {
+      ...(dto.requirementId !== undefined && { requirementId: emptyToNull(dto.requirementId) }),
+      ...(dto.requirementProductId !== undefined && { requirementProductId: emptyToNull(dto.requirementProductId) }),
+      ...(dto.categoryId !== undefined && { categoryId: emptyToNull(dto.categoryId) }),
+      ...(dto.code !== undefined || dto.taskNo !== undefined ? { code: dto.code?.trim() || dto.taskNo?.trim() } : {}),
+      ...(dto.title !== undefined && { title: dto.title }),
+      ...(dto.description !== undefined && { description: dto.description ?? '' }),
+      ...(dto.status !== undefined && { status: dto.status }),
+      ...(dto.priority !== undefined && { priority: parsePriority(dto.priority) ?? 0 }),
+      ...(dto.assigneeId !== undefined && { assigneeId: emptyToNull(dto.assigneeId) }),
+      ...(dto.creatorId !== undefined || dto.createdBy !== undefined ? { creatorId: emptyToNull(dto.creatorId ?? dto.createdBy) } : {}),
+      ...(dto.isBlocked !== undefined && { isBlocked: dto.isBlocked }),
+      ...(dto.blockReason !== undefined && { blockReason: emptyToNull(dto.blockReason) }),
+      ...(dto.expectedStartAt !== undefined && { expectedStartAt: parseOptionalDate(dto.expectedStartAt) }),
+      ...(dto.expectedEndAt !== undefined && { expectedEndAt: parseOptionalDate(dto.expectedEndAt) }),
+      ...(dto.actualStartAt !== undefined || dto.startDate !== undefined
+        ? { startDate: parseOptionalDate(dto.actualStartAt ?? dto.startDate) }
+        : {}),
+      ...(dto.actualEndAt !== undefined || dto.completedAt !== undefined
+        ? { completedAt: parseOptionalDate(dto.actualEndAt ?? dto.completedAt) }
+        : {}),
+      ...(dto.estimateHours !== undefined && { estimateHours: dto.estimateHours }),
+      ...(dto.aiEstimateHours !== undefined && { aiEstimateHours: dto.aiEstimateHours }),
+      ...(dto.references !== undefined && { references: toJsonInput(dto.references) }),
+      ...(dto.aiDraft !== undefined && { aiDraft: dto.aiDraft }),
+      ...(dto.aiDraftAt !== undefined && { aiDraftAt: parseOptionalDate(dto.aiDraftAt) }),
+    };
+  }
+
+  private async ensureVersion(versionId: string) {
+    const version = await this.prisma.version.findUnique({ where: { id: versionId } });
+    if (!version) throw new NotFoundException('版本不存在');
+    return version;
+  }
+
+  private async ensureTaskInVersion(versionId: string, id: string) {
+    const task = await this.prisma.devTask.findFirst({ where: { id, versionId } });
+    if (!task) throw new NotFoundException('开发任务不存在');
+    return task;
+  }
+
+  private recordStatusActivity(task: any, fromStatus: string, toStatus: string) {
+    if (toStatus === 'in_progress') {
+      return this.recordTaskActivity(task, 'dev_task_started', 'progress', `开始开发：${task.title}`, { fromStatus, toStatus });
+    }
+    if (toStatus === 'testing') {
+      return this.recordTaskActivity(task, 'dev_task_self_testing', 'progress', `进入自测：${task.title}`, { fromStatus, toStatus });
+    }
+    if (toStatus === 'submitted') {
+      return this.recordTaskActivity(task, 'dev_task_submitted', 'delivery', `已提测开发任务：${task.title}`, { fromStatus, toStatus });
+    }
+    return undefined;
+  }
+
+  private recordTaskActivity(task: any, action: string, category: string, summary: string, metadata: Record<string, unknown> = {}) {
+    return this.workActivity.record({
+      versionId: task.versionId,
+      productId: task.productId,
+      projectId: task.projectId,
+      actorId: task.assigneeId ?? task.creatorId,
+      sourceType: 'dev_task',
+      sourceId: task.id,
+      action,
+      category,
+      title: task.title,
+      summary,
+      metadata,
+    });
+  }
+}
+
+function createFallbackDevCode() {
+  return `DEV-${Date.now().toString(36).toUpperCase()}`;
+}
+
+function emptyToNull(value: string | null | undefined): string | null {
+  if (value === null) return null;
+  if (value === undefined) return null;
+  const trimmed = value.trim();
+  return trimmed ? trimmed : null;
+}
+
+function parseOptionalDate(value: string | null | undefined): Date | null {
+  if (!value) return null;
+  const date = new Date(value);
+  return Number.isFinite(date.getTime()) ? date : null;
+}
+
+function parsePriority(value: string | number | null | undefined): number | undefined {
+  if (value === null || value === undefined || value === '') return undefined;
+  if (typeof value === 'number') return Number.isFinite(value) ? Math.max(0, Math.min(4, Math.floor(value))) : undefined;
+  const match = /^P([0-4])$/i.exec(value.trim());
+  if (match) return Number(match[1]);
+  const parsed = Number(value);
+  return Number.isFinite(parsed) ? Math.max(0, Math.min(4, Math.floor(parsed))) : undefined;
+}
+
+function toJsonInput(value: unknown): Prisma.InputJsonValue {
+  return value as Prisma.InputJsonValue;
+}

apps/server/src/modules/dev-task/dto/create-dev-task.dto.ts

@@ -0,0 +1,99 @@
+import { IsArray, IsBoolean, IsOptional, IsString } from 'class-validator';
+
+export class CreateDevTaskDto {
+  @IsString()
+  @IsOptional()
+  requirementId?: string;
+
+  @IsString()
+  @IsOptional()
+  requirementProductId?: string;
+
+  @IsString()
+  @IsOptional()
+  categoryId?: string;
+
+  @IsString()
+  @IsOptional()
+  code?: string;
+
+  @IsString()
+  @IsOptional()
+  taskNo?: string;
+
+  @IsString()
+  title!: string;
+
+  @IsString()
+  @IsOptional()
+  description?: string;
+
+  @IsString()
+  @IsOptional()
+  status?: string;
+
+  @IsOptional()
+  priority?: string | number;
+
+  @IsString()
+  @IsOptional()
+  assigneeId?: string;
+
+  @IsString()
+  @IsOptional()
+  creatorId?: string;
+
+  @IsString()
+  @IsOptional()
+  createdBy?: string;
+
+  @IsBoolean()
+  @IsOptional()
+  isBlocked?: boolean;
+
+  @IsString()
+  @IsOptional()
+  blockReason?: string;
+
+  @IsString()
+  @IsOptional()
+  expectedStartAt?: string;
+
+  @IsString()
+  @IsOptional()
+  expectedEndAt?: string;
+
+  @IsString()
+  @IsOptional()
+  actualStartAt?: string;
+
+  @IsString()
+  @IsOptional()
+  actualEndAt?: string;
+
+  @IsString()
+  @IsOptional()
+  startDate?: string;
+
+  @IsString()
+  @IsOptional()
+  completedAt?: string;
+
+  @IsOptional()
+  estimateHours?: number;
+
+  @IsOptional()
+  aiEstimateHours?: number;
+
+  @IsArray()
+  @IsOptional()
+  references?: unknown[];
+
+  @IsBoolean()
+  @IsOptional()
+  aiDraft?: boolean;
+
+  @IsString()
+  @IsOptional()
+  aiDraftAt?: string;
+}

apps/server/src/modules/dev-task/dto/update-dev-task.dto.ts

@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/mapped-types';
+import { CreateDevTaskDto } from './create-dev-task.dto';
+
+export class UpdateDevTaskDto extends PartialType(CreateDevTaskDto) {}

apps/server/src/modules/version-plan/dto/create-version-plan.dto.ts

@@ -0,0 +1,59 @@
+import { IsArray, IsIn, IsOptional, IsString } from 'class-validator';
+
+export class CreateVersionPlanDto {
+  @IsIn(['research', 'product', 'ui'])
+  type!: 'research' | 'product' | 'ui';
+
+  @IsString()
+  title!: string;
+
+  @IsString()
+  @IsOptional()
+  status?: string;
+
+  @IsString()
+  @IsOptional()
+  owner?: string;
+
+  @IsString()
+  @IsOptional()
+  ownerId?: string;
+
+  @IsString()
+  @IsOptional()
+  startTime?: string;
+
+  @IsString()
+  @IsOptional()
+  endTime?: string;
+
+  @IsString()
+  @IsOptional()
+  expectedStartAt?: string;
+
+  @IsString()
+  @IsOptional()
+  expectedEndAt?: string;
+
+  @IsString()
+  @IsOptional()
+  actualStartAt?: string;
+
+  @IsString()
+  @IsOptional()
+  completedAt?: string;
+
+  @IsString()
+  @IsOptional()
+  resultUrl?: string;
+
+  @IsArray()
+  @IsOptional()
+  linkedRequirementIds?: string[];
+
+  @IsOptional()
+  requirementCoverage?: unknown[];
+
+  @IsOptional()
+  logs?: unknown[];
+}

apps/server/src/modules/version-plan/dto/update-version-plan.dto.ts

@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/mapped-types';
+import { CreateVersionPlanDto } from './create-version-plan.dto';
+
+export class UpdateVersionPlanDto extends PartialType(CreateVersionPlanDto) {}

apps/server/src/modules/version-plan/version-plan.controller.ts

@@ -0,0 +1,34 @@
+import { Body, Controller, Delete, Get, Param, Patch, Post } from '@nestjs/common';
+import { CreateVersionPlanDto } from './dto/create-version-plan.dto';
+import { UpdateVersionPlanDto } from './dto/update-version-plan.dto';
+import { VersionPlanService } from './version-plan.service';
+
+@Controller('versions/:versionId/plans')
+export class VersionPlanController {
+  constructor(private readonly versionPlanService: VersionPlanService) {}
+
+  @Post()
+  create(@Param('versionId') versionId: string, @Body() dto: CreateVersionPlanDto) {
+    return this.versionPlanService.create(versionId, dto);
+  }
+
+  @Get()
+  findAll(@Param('versionId') versionId: string) {
+    return this.versionPlanService.findAll(versionId);
+  }
+
+  @Patch(':id')
+  update(@Param('versionId') versionId: string, @Param('id') id: string, @Body() dto: UpdateVersionPlanDto) {
+    return this.versionPlanService.update(versionId, id, dto);
+  }
+
+  @Patch(':id/complete')
+  complete(@Param('versionId') versionId: string, @Param('id') id: string, @Body() dto: UpdateVersionPlanDto) {
+    return this.versionPlanService.complete(versionId, id, dto);
+  }
+
+  @Delete(':id')
+  remove(@Param('versionId') versionId: string, @Param('id') id: string) {
+    return this.versionPlanService.remove(versionId, id);
+  }
+}

apps/server/src/modules/version-plan/version-plan.module.ts

@@ -0,0 +1,12 @@
+import { Module } from '@nestjs/common';
+import { WorkActivityModule } from '../work-activity/work-activity.module';
+import { VersionPlanController } from './version-plan.controller';
+import { VersionPlanService } from './version-plan.service';
+
+@Module({
+  imports: [WorkActivityModule],
+  controllers: [VersionPlanController],
+  providers: [VersionPlanService],
+  exports: [VersionPlanService],
+})
+export class VersionPlanModule {}

apps/server/src/modules/version-plan/version-plan.service.spec.ts

@@ -0,0 +1,109 @@
+import { NotFoundException } from '@nestjs/common';
+import { VersionPlanService } from './version-plan.service';
+
+describe('VersionPlanService domain writes', () => {
+  const makeService = () => {
+    const workActivity = {
+      record: jest.fn().mockResolvedValue({ id: 'activity-1' }),
+    };
+    const prisma = {
+      version: {
+        findUnique: jest.fn(),
+      },
+      versionPlan: {
+        create: jest.fn(),
+        delete: jest.fn(),
+        findFirst: jest.fn(),
+        findMany: jest.fn(),
+        update: jest.fn(),
+      },
+    };
+
+    return {
+      prisma,
+      workActivity,
+      service: new VersionPlanService(prisma as any, workActivity as any),
+    };
+  };
+
+  it('creates version plans directly under a version partition', async () => {
+    const { prisma, workActivity, service } = makeService();
+    prisma.version.findUnique.mockResolvedValue({ id: 'version-1', productId: 'product-1', projectId: 'project-1' });
+    prisma.versionPlan.create.mockResolvedValue({ id: 'plan-1', versionId: 'version-1', title: '产品方案' });
+
+    await service.create('version-1', {
+      type: 'product',
+      title: '产品方案',
+      owner: 'member-1',
+      startTime: '2026-07-08T09:00:00.000Z',
+      endTime: '2026-07-08T18:00:00.000Z',
+      linkedRequirementIds: ['req-1'],
+    } as any);
+
+    expect(prisma.versionPlan.create).toHaveBeenCalledWith({
+      data: expect.objectContaining({
+        versionId: 'version-1',
+        productId: 'product-1',
+        projectId: 'project-1',
+        type: 'product',
+        title: '产品方案',
+        ownerId: 'member-1',
+        expectedStartAt: new Date('2026-07-08T09:00:00.000Z'),
+        expectedEndAt: new Date('2026-07-08T18:00:00.000Z'),
+        requirementCoverage: [{ requirementId: 'req-1', status: 'not_started' }],
+      }),
+    });
+    expect(workActivity.record).toHaveBeenCalledWith(expect.objectContaining({
+      versionId: 'version-1',
+      sourceType: 'version_plan',
+      sourceId: 'plan-1',
+      action: 'version_plan_created',
+    }));
+  });
+
+  it('updates plan status inside version scope and records activity evidence', async () => {
+    const { prisma, workActivity, service } = makeService();
+    prisma.versionPlan.findFirst.mockResolvedValue({
+      id: 'plan-1',
+      versionId: 'version-1',
+      productId: 'product-1',
+      projectId: 'project-1',
+      status: 'pending',
+      title: '产品方案',
+      ownerId: 'member-1',
+    });
+    prisma.versionPlan.update.mockResolvedValue({
+      id: 'plan-1',
+      versionId: 'version-1',
+      productId: 'product-1',
+      projectId: 'project-1',
+      status: 'in_progress',
+      title: '产品方案',
+      ownerId: 'member-1',
+    });
+
+    await service.update('version-1', 'plan-1', { status: 'in_progress' });
+
+    expect(prisma.versionPlan.update).toHaveBeenCalledWith({
+      where: { id: 'plan-1' },
+      data: expect.objectContaining({
+        status: 'in_progress',
+        actualStartAt: expect.any(Date),
+      }),
+    });
+    expect(workActivity.record).toHaveBeenCalledWith(expect.objectContaining({
+      versionId: 'version-1',
+      sourceType: 'version_plan',
+      sourceId: 'plan-1',
+      action: 'version_plan_started',
+    }));
+  });
+
+  it('rejects plan updates outside the version partition', async () => {
+    const { prisma, service } = makeService();
+    prisma.versionPlan.findFirst.mockResolvedValue(null);
+
+    await expect(service.update('version-1', 'missing-plan', { title: 'Ghost' })).rejects.toBeInstanceOf(NotFoundException);
+    expect(prisma.versionPlan.update).not.toHaveBeenCalled();
+  });
+});

apps/server/src/modules/version-plan/version-plan.service.ts

@@ -0,0 +1,152 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import type { Prisma } from '@prisma/client';
+import { PrismaService } from '../../prisma/prisma.service';
+import { WorkActivityService } from '../work-activity/work-activity.service';
+import { CreateVersionPlanDto } from './dto/create-version-plan.dto';
+import { UpdateVersionPlanDto } from './dto/update-version-plan.dto';
+
+@Injectable()
+export class VersionPlanService {
+  constructor(
+    private readonly prisma: PrismaService,
+    private readonly workActivity: WorkActivityService,
+  ) {}
+
+  async create(versionId: string, dto: CreateVersionPlanDto) {
+    const version = await this.ensureVersion(versionId);
+    const item = await this.prisma.versionPlan.create({
+      data: {
+        ...this.toPlanData(dto),
+        versionId,
+        productId: version.productId,
+        projectId: version.projectId,
+        type: dto.type,
+        title: dto.title,
+        status: dto.status ?? 'pending',
+      },
+    });
+    const activity = await this.recordPlanActivity(item, 'version_plan_created', 'creation', `新建计划：${item.title}`);
+    return { item, activities: [activity] };
+  }
+
+  findAll(versionId: string) {
+    return this.prisma.versionPlan.findMany({
+      where: { versionId },
+      orderBy: [{ type: 'asc' }, { createdAt: 'desc' }],
+    });
+  }
+
+  async update(versionId: string, id: string, dto: UpdateVersionPlanDto) {
+    const current = await this.ensurePlanInVersion(versionId, id);
+    const data = this.toPlanData(dto);
+    if (dto.status === 'in_progress' && !current.actualStartAt) {
+      data.actualStartAt = new Date();
+    }
+    if (dto.status === 'completed' && !current.completedAt) {
+      data.completedAt = new Date();
+    }
+    const item = await this.prisma.versionPlan.update({
+      where: { id },
+      data,
+    });
+    const activity = current.status !== item.status ? await this.recordStatusActivity(item, current.status, item.status) : undefined;
+    return { item, activities: activity ? [activity] : [] };
+  }
+
+  async complete(versionId: string, id: string, dto: UpdateVersionPlanDto) {
+    return this.update(versionId, id, {
+      ...dto,
+      status: 'completed',
+      completedAt: dto.completedAt ?? new Date().toISOString(),
+    });
+  }
+
+  async remove(versionId: string, id: string) {
+    await this.ensurePlanInVersion(versionId, id);
+    return this.prisma.versionPlan.delete({ where: { id } });
+  }
+
+  private toPlanData(dto: Partial<CreateVersionPlanDto>) {
+    return {
+      ...(dto.type !== undefined && { type: dto.type }),
+      ...(dto.title !== undefined && { title: dto.title }),
+      ...(dto.status !== undefined && { status: dto.status }),
+      ...(dto.owner !== undefined || dto.ownerId !== undefined ? { ownerId: emptyToNull(dto.ownerId ?? dto.owner) } : {}),
+      ...(dto.startTime !== undefined || dto.expectedStartAt !== undefined
+        ? { expectedStartAt: parseOptionalDate(dto.expectedStartAt ?? dto.startTime) }
+        : {}),
+      ...(dto.endTime !== undefined || dto.expectedEndAt !== undefined
+        ? { expectedEndAt: parseOptionalDate(dto.expectedEndAt ?? dto.endTime) }
+        : {}),
+      ...(dto.actualStartAt !== undefined && { actualStartAt: parseOptionalDate(dto.actualStartAt) }),
+      ...(dto.completedAt !== undefined && { completedAt: parseOptionalDate(dto.completedAt) }),
+      ...(dto.resultUrl !== undefined && { resultUrl: emptyToNull(dto.resultUrl) }),
+      ...(dto.requirementCoverage !== undefined || dto.linkedRequirementIds !== undefined
+        ? { requirementCoverage: toJsonInput(dto.requirementCoverage ?? buildRequirementCoverage(dto.linkedRequirementIds)) }
+        : {}),
+      ...(dto.logs !== undefined && { logs: toJsonInput(dto.logs) }),
+    };
+  }
+
+  private async ensureVersion(versionId: string) {
+    const version = await this.prisma.version.findUnique({ where: { id: versionId } });
+    if (!version) throw new NotFoundException('版本不存在');
+    return version;
+  }
+
+  private async ensurePlanInVersion(versionId: string, id: string) {
+    const plan = await this.prisma.versionPlan.findFirst({ where: { id, versionId } });
+    if (!plan) throw new NotFoundException('计划不存在');
+    return plan;
+  }
+
+  private recordStatusActivity(plan: any, fromStatus: string, toStatus: string) {
+    if (toStatus === 'in_progress') {
+      return this.recordPlanActivity(plan, 'version_plan_started', 'progress', `开始计划：${plan.title}`, { fromStatus, toStatus });
+    }
+    if (toStatus === 'completed') {
+      return this.recordPlanActivity(plan, 'version_plan_completed', 'delivery', `完成计划：${plan.title}`, { fromStatus, toStatus });
+    }
+    return undefined;
+  }
+
+  private recordPlanActivity(plan: any, action: string, category: string, summary: string, metadata: Record<string, unknown> = {}) {
+    return this.workActivity.record({
+      versionId: plan.versionId,
+      productId: plan.productId,
+      projectId: plan.projectId,
+      actorId: plan.ownerId,
+      sourceType: 'version_plan',
+      sourceId: plan.id,
+      action,
+      category,
+      title: plan.title,
+      summary,
+      metadata,
+    });
+  }
+}
+
+function buildRequirementCoverage(requirementIds: string[] | undefined) {
+  return (requirementIds ?? []).map((requirementId) => ({
+    requirementId,
+    status: 'not_started',
+  }));
+}
+
+function emptyToNull(value: string | null | undefined): string | null {
+  if (value === null) return null;
+  if (value === undefined) return null;
+  const trimmed = value.trim();
+  return trimmed ? trimmed : null;
+}
+
+function parseOptionalDate(value: string | null | undefined): Date | null {
+  if (!value) return null;
+  const date = new Date(value);
+  return Number.isFinite(date.getTime()) ? date : null;
+}
+
+function toJsonInput(value: unknown): Prisma.InputJsonValue {
+  return value as Prisma.InputJsonValue;
+}

apps/server/src/modules/work-activity/work-activity.module.ts

@@ -0,0 +1,8 @@
+import { Module } from '@nestjs/common';
+import { WorkActivityService } from './work-activity.service';
+
+@Module({
+  providers: [WorkActivityService],
+  exports: [WorkActivityService],
+})
+export class WorkActivityModule {}

apps/server/src/modules/work-activity/work-activity.service.spec.ts

@@ -0,0 +1,63 @@
+import { WorkActivityService } from './work-activity.service';
+
+describe('WorkActivityService relational evidence', () => {
+  const makeService = () => {
+    const prisma = {
+      workActivity: {
+        create: jest.fn().mockResolvedValue({ id: 'activity-1' }),
+      },
+      xiaobaoRiskSummary: {
+        upsert: jest.fn().mockResolvedValue({}),
+      },
+    };
+
+    return {
+      prisma,
+      service: new WorkActivityService(prisma as any),
+    };
+  };
+
+  it('records activity rows and marks the affected version summary dirty', async () => {
+    const { prisma, service } = makeService();
+
+    await service.record({
+      versionId: 'version-1',
+      productId: 'product-1',
+      projectId: 'project-1',
+      actorId: 'member-1',
+      sourceType: 'dev_task',
+      sourceId: 'task-1',
+      action: 'dev_task_started',
+      title: '开发登录',
+      category: 'progress',
+      summary: '开始开发：开发登录',
+      metadata: { fromStatus: 'todo', toStatus: 'in_progress' },
+    });
+
+    expect(prisma.workActivity.create).toHaveBeenCalledWith({
+      data: expect.objectContaining({
+        versionId: 'version-1',
+        productId: 'product-1',
+        projectId: 'project-1',
+        actorId: 'member-1',
+        sourceType: 'dev_task',
+        sourceId: 'task-1',
+        sourceVersionId: 'version-1',
+        action: 'dev_task_started',
+        title: '开发登录',
+        metadata: expect.objectContaining({
+          category: 'progress',
+          summary: '开始开发：开发登录',
+          fromStatus: 'todo',
+          toStatus: 'in_progress',
+        }),
+      }),
+    });
+    expect(prisma.xiaobaoRiskSummary.upsert).toHaveBeenCalledWith(
+      expect.objectContaining({
+        where: { versionId: 'version-1' },
+        update: { dirty: true },
+      }),
+    );
+  });
+});

apps/server/src/modules/work-activity/work-activity.service.ts

@@ -0,0 +1,87 @@
+import { Injectable } from '@nestjs/common';
+import { PrismaService } from '../../prisma/prisma.service';
+
+export interface WorkActivityRecordInput {
+  versionId?: string | null;
+  productId?: string | null;
+  projectId?: string | null;
+  actorId?: string | null;
+  actorName?: string | null;
+  sourceType: string;
+  sourceId: string;
+  sourceVersionId?: string | null;
+  action: string;
+  title: string;
+  category?: string;
+  summary?: string;
+  metadata?: Record<string, unknown>;
+  occurredAt?: string | Date | null;
+}
+
+@Injectable()
+export class WorkActivityService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async record(input: WorkActivityRecordInput) {
+    const versionId = input.versionId ?? input.sourceVersionId ?? null;
+    const metadata = {
+      ...(input.metadata ?? {}),
+      ...(input.category ? { category: input.category } : {}),
+      ...(input.summary ? { summary: input.summary } : {}),
+    };
+
+    const activity = await this.prisma.workActivity.create({
+      data: {
+        versionId,
+        productId: input.productId ?? null,
+        projectId: input.projectId ?? null,
+        actorId: input.actorId ?? null,
+        actorName: input.actorName ?? '',
+        sourceType: input.sourceType,
+        sourceId: input.sourceId,
+        sourceVersionId: input.sourceVersionId ?? versionId,
+        action: input.action,
+        title: input.title,
+        metadata,
+        occurredAt: parseDate(input.occurredAt) ?? new Date(),
+      },
+    });
+
+    if (versionId) {
+      await this.markXiaobaoSummaryDirty(versionId);
+    }
+
+    return activity;
+  }
+
+  async markXiaobaoSummaryDirty(versionId: string) {
+    const riskSignature = `dirty:${versionId}`;
+    await this.prisma.xiaobaoRiskSummary.upsert({
+      where: { versionId },
+      update: { dirty: true },
+      create: {
+        versionId,
+        riskLevel: 'attention',
+        riskScore: 1,
+        confidence: 0,
+        riskSignature,
+        summary: {
+          versionId,
+          riskLevel: 'attention',
+          riskScore: 1,
+          confidence: 0,
+          riskSignature,
+          dirty: true,
+        },
+        dirty: true,
+      },
+    });
+  }
+}
+
+function parseDate(value: string | Date | null | undefined): Date | undefined {
+  if (!value) return undefined;
+  if (value instanceof Date) return value;
+  const date = new Date(value);
+  return Number.isFinite(date.getTime()) ? date : undefined;
+}