merge: 集成V2.7 企业协作与管理治理

# Conflicts:
#	apps/server/src/app.module.ts
#	apps/web/components/layout/Sidebar.tsx
#	apps/web/lib/permissions.ts
#	docs/architecture.md
#	docs/decisions.md
#	docs/roadmap.md

apps/server/src/common/audit/audit.service.spec.ts

@@ -0,0 +1,51 @@
+import { AuditService } from './audit.service';
+
+describe('AuditService V2.7 adapter contract', () => {
+  it('writes an append-only audit event with actor and resource scope', async () => {
+    const prisma = {
+      auditLog: {
+        create: jest.fn().mockResolvedValue({ id: 'audit-1' }),
+      },
+    };
+    const service = new AuditService(prisma as any);
+
+    await service.record({
+      actorId: 'm-admin',
+      action: 'project_member.role_changed',
+      resourceType: 'project_member',
+      resourceId: 'pm-1',
+      projectId: 'project-1',
+      before: { role: 'member' },
+      after: { role: 'admin' },
+    });
+
+    expect(prisma.auditLog.create).toHaveBeenCalledWith({
+      data: expect.objectContaining({
+        actorId: 'm-admin',
+        action: 'project_member.role_changed',
+        resourceType: 'project_member',
+        resourceId: 'pm-1',
+        projectId: 'project-1',
+        before: { role: 'member' },
+        after: { role: 'admin' },
+      }),
+    });
+  });
+
+  it('does not fail the business action when audit storage is unavailable', async () => {
+    const prisma = {
+      auditLog: {
+        create: jest.fn().mockRejectedValue(new Error('database unavailable')),
+      },
+    };
+    const service = new AuditService(prisma as any);
+    (service as any).logger.warn = jest.fn();
+
+    await expect(service.record({
+      actorId: 'm-admin',
+      action: 'comment.created',
+      resourceType: 'comment',
+      resourceId: 'comment-1',
+    })).resolves.toBeUndefined();
+  });
+});

apps/server/src/common/audit/audit.service.ts

@@ -0,0 +1,43 @@
+import { Injectable, Logger } from '@nestjs/common';
+import { PrismaService } from '../../prisma/prisma.service';
+
+export interface AuditEventInput {
+  actorId?: string | null;
+  action: string;
+  resourceType: string;
+  resourceId: string;
+  productId?: string | null;
+  projectId?: string | null;
+  versionId?: string | null;
+  before?: unknown;
+  after?: unknown;
+  metadata?: unknown;
+}
+
+@Injectable()
+export class AuditService {
+  private readonly logger = new Logger(AuditService.name);
+
+  constructor(private readonly prisma: PrismaService) {}
+
+  async record(input: AuditEventInput): Promise<void> {
+    try {
+      await this.prisma.auditLog.create({
+        data: {
+          actorId: input.actorId ?? null,
+          action: input.action,
+          resourceType: input.resourceType,
+          resourceId: input.resourceId,
+          productId: input.productId ?? null,
+          projectId: input.projectId ?? null,
+          versionId: input.versionId ?? null,
+          before: input.before ?? {},
+          after: input.after ?? {},
+          metadata: input.metadata ?? {},
+        },
+      });
+    } catch (error: any) {
+      this.logger.warn(`Audit write failed for ${input.action}: ${error?.message ?? error}`);
+    }
+  }
+}