feat(平台): 补齐服务端持久化和AI拆解契约

apps/server/src/prisma/prisma.service.ts

@@ -1,13 +1,26 @@
-import { Injectable, OnModuleInit, OnModuleDestroy } from '@nestjs/common';
+import { Injectable, Logger, OnModuleInit, OnModuleDestroy } from '@nestjs/common';
 import { PrismaClient } from '@prisma/client';
 
 @Injectable()
 export class PrismaService extends PrismaClient implements OnModuleInit, OnModuleDestroy {
+  private readonly logger = new Logger(PrismaService.name);
+  private connected = false;
+
   async onModuleInit() {
-    await this.$connect();
+    try {
+      await this.$connect();
+      this.connected = true;
+      this.logger.log('Prisma connected');
+    } catch (e: any) {
+      this.logger.warn(
+        `数据库连接失败 (${e?.errorCode || e?.message || e}) — 跳过，需要 DB 的接口将不可用，但不影响 AI 配置 / 拆解模块`,
+      );
+    }
   }
 
   async onModuleDestroy() {
-    await this.$disconnect();
+    if (this.connected) {
+      await this.$disconnect();
+    }
   }
 }