diff --git a/prisma/migrations/20260525030000_add_import_step_log/migration.sql b/prisma/migrations/20260525030000_add_import_step_log/migration.sql
new file mode 100644
index 0000000..9c3c191
--- /dev/null
+++ b/prisma/migrations/20260525030000_add_import_step_log/migration.sql
@@ -0,0 +1,12 @@
+CREATE TABLE IF NOT EXISTS `ImportStepLog` (
+    `id` VARCHAR(191) NOT NULL,
+    `importId` VARCHAR(191) NOT NULL,
+    `step` VARCHAR(32) NOT NULL,
+    `status` VARCHAR(16) NOT NULL,
+    `detail` VARCHAR(500) NULL,
+    `startedAt` DATETIME(3) NULL,
+    `completedAt` DATETIME(3) NULL,
+    `createdAt` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+    INDEX `ImportStepLog_importId_idx`(`importId`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 9cfe3d2..f3f5e61 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -317,6 +317,19 @@ model DocumentImport {
   @@index([workerId])
 }
 
+model ImportStepLog {
+  id         String   @id @default(cuid())
+  importId   String
+  step       String   @db.VarChar(32)
+  status     String   @db.VarChar(16)
+  detail     String?  @db.VarChar(500)
+  startedAt  DateTime?
+  completedAt DateTime?
+  createdAt  DateTime @default(now())
+
+  @@index([importId])
+}
+
 model LearningSession {
   id                String    @id @default(cuid())
   userId            String
diff --git a/src/modules/document-import/admin-imports.controller.ts b/src/modules/document-import/admin-imports.controller.ts
new file mode 100644
index 0000000..db5defa
--- /dev/null
+++ b/src/modules/document-import/admin-imports.controller.ts
@@ -0,0 +1,50 @@
+import { Controller, Get, Post, Param, Query, UseGuards } from '@nestjs/common';
+import { ApiTags, ApiBearerAuth, ApiOperation } from '@nestjs/swagger';
+import { PrismaService } from '../../infrastructure/database/prisma.service';
+import { AdminAuthGuard } from '../../common/guards/admin-auth.guard';
+import { AdminRolesGuard } from '../../common/guards/admin-roles.guard';
+import { AdminRoles } from '../../common/decorators/admin-roles.decorator';
+import type { AdminRole } from '../../common/types/admin-role.enum';
+
+@ApiTags('admin-imports')
+@Controller('admin-api/imports')
+@UseGuards(AdminAuthGuard, AdminRolesGuard)
+@ApiBearerAuth()
+export class AdminImportsController {
+  constructor(private readonly prisma: PrismaService) {}
+
+  @Get()
+  @AdminRoles('ADMIN' as AdminRole)
+  @ApiOperation({ summary: '导入任务列表' })
+  async list(@Query('page') page = '1', @Query('limit') limit = '20', @Query('status') status?: string) {
+    const p = parseInt(page), l = parseInt(limit);
+    const where: any = status ? { status } : {};
+    const [items, total] = await Promise.all([
+      this.prisma.documentImport.findMany({ where, orderBy: { createdAt: 'desc' }, skip: (p - 1) * l, take: l }),
+      this.prisma.documentImport.count({ where }),
+    ]);
+    return { items, total, page: p, limit: l, totalPages: Math.ceil(total / l) };
+  }
+
+  @Get(':id')
+  @AdminRoles('ADMIN' as AdminRole)
+  @ApiOperation({ summary: '导入任务详情' })
+  async detail(@Param('id') id: string) {
+    const [job, steps] = await Promise.all([
+      this.prisma.documentImport.findUnique({ where: { id } }),
+      this.prisma.importStepLog.findMany({ where: { importId: id }, orderBy: { createdAt: 'asc' } }),
+    ]);
+    return { job, steps };
+  }
+
+  @Post(':id/retry')
+  @AdminRoles('SUPER_ADMIN' as AdminRole)
+  @ApiOperation({ summary: '重试失败导入' })
+  async retry(@Param('id') id: string) {
+    await this.prisma.documentImport.update({
+      where: { id },
+      data: { status: 'QUEUED', retryCount: 0, errorMessage: null },
+    });
+    return { success: true };
+  }
+}
diff --git a/src/modules/document-import/document-import.module.ts b/src/modules/document-import/document-import.module.ts
index fe458a9..d9b48e7 100644
--- a/src/modules/document-import/document-import.module.ts
+++ b/src/modules/document-import/document-import.module.ts
@@ -1,11 +1,13 @@
 import { Module } from '@nestjs/common';
 import { DocumentImportController } from './document-import.controller';
+import { AdminImportsController } from './admin-imports.controller';
 import { DocumentImportService } from './document-import.service';
 import { DocumentImportRepository } from './document-import.repository';
+import { PrismaService } from '../../infrastructure/database/prisma.service';
 
 @Module({
-  controllers: [DocumentImportController],
-  providers: [DocumentImportService, DocumentImportRepository],
+  controllers: [DocumentImportController, AdminImportsController],
+  providers: [DocumentImportService, DocumentImportRepository, PrismaService],
   exports: [DocumentImportService, DocumentImportRepository],
 })
 export class DocumentImportModule {}
diff --git a/test/m2.e2e-spec.ts b/test/m2.e2e-spec.ts
index 9176e42..269cdc3 100644
--- a/test/m2.e2e-spec.ts
+++ b/test/m2.e2e-spec.ts
@@ -185,4 +185,52 @@ describe('M2 E2E Tests', () => {
       expect(Array.isArray(res.body.data)).toBe(true);
     });
   });
+
+  // ══════════════════════════════════════════════
+  // M2-04: Ingestion & Indexing
+  // ══════════════════════════════════════════════
+  describe('M2-04 Ingestion & Indexing', () => {
+    let token: string;
+    beforeAll(async () => { token = await loginAdmin(); });
+
+    it('POST /api/imports → 201 create import', async () => {
+      const res = await request(app.getHttpServer())
+        .post('/api/imports')
+        .send({ sourceType: 'file', sourceName: 'test.pdf', knowledgeBaseId: 'kb1', userId: 'user1' })
+        .expect([200, 201]);
+      expect(res.body.data).toHaveProperty('id');
+    });
+
+    it('GET /admin-api/imports → 200 import list', async () => {
+      if (!token) return;
+      const res = await request(app.getHttpServer())
+        .get('/admin-api/imports')
+        .set('Authorization', `Bearer ${token}`)
+        .expect(200);
+      expect(res.body.data).toHaveProperty('items');
+      expect(res.body.data).toHaveProperty('total');
+    });
+
+    it('GET /admin-api/imports → 401 without token', async () => {
+      await request(app.getHttpServer()).get('/admin-api/imports').expect(401);
+    });
+
+    it('GET /admin-api/imports/:id → 200 import detail', async () => {
+      if (!token) return;
+      const res = await request(app.getHttpServer())
+        .get('/admin-api/imports/test-id')
+        .set('Authorization', `Bearer ${token}`)
+        .expect(200);
+      expect(res.body.data).toHaveProperty('job');
+    });
+
+    it('POST /admin-api/imports/:id/retry → retry failed import', async () => {
+      if (!token) return;
+      const res = await request(app.getHttpServer())
+        .post('/admin-api/imports/test-id/retry')
+        .set('Authorization', `Bearer ${token}`)
+        .expect([200, 201]);
+      expect(res.body.success).toBe(true);
+    });
+  });
 });
diff --git a/test/mocks/prisma.mock.ts b/test/mocks/prisma.mock.ts
index 7704439..55a5f9c 100644
--- a/test/mocks/prisma.mock.ts
+++ b/test/mocks/prisma.mock.ts
@@ -91,7 +91,7 @@ const modelNames = [
   'userMembership', 'quotaUsage', 'costDailySummary', 'secretRecord',
   'secretAccessLog', 'modelRoute', 'providerConfig', 'fallbackEvent',
   'violationRecord', 'contentReport', 'userDevice', 'accountDeletionRequest',
-  'workspace', 'knowledgeFolder', 'sourceReference',
+  'workspace', 'knowledgeFolder', 'sourceReference', 'importStepLog',
 ]
 
 for (const name of modelNames) {