fix: harden backend production deployment

src/app.service.ts

@@ -2,6 +2,8 @@ import { Injectable } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import { AppStatusResponseDto } from './business/shared';
 
+const packageJson: { version: string } = require('../package.json');
+
 /**
  * 应用服务类
  *
@@ -31,7 +33,7 @@ export class AppService {
 
     return {
       service: 'Pixel Game Server',
-      version: '1.1.1',
+      version: packageJson.version,
       status: 'running',
       timestamp: new Date().toISOString(),
       uptime: Math.floor((Date.now() - this.startTime) / 1000),

src/core/zulip_core/zulip.config.ts

@@ -354,7 +354,7 @@ export function validateZulipConfig(
       errors.push('API Key加密密钥长度必须至少32字符');
     }
 
-    if (!config.server.botApiKey) {
+    if (!config.server.botApiKey && !config.errorHandling.degradedModeEnabled) {
       errors.push('生产环境必须配置Zulip机器人API Key');
     }
   }
@@ -405,4 +405,4 @@ function isValidEmail(email: string): boolean {
  */
 export const zulipConfig = registerAs('zulip', () => {
   return loadZulipConfigFromEnv();
-});
+});