feat(client): 短信登录、JWT、Redis 与 Spug 短信及流式 Chat

- 新增客户端认证：短信发送/登录、access/refresh JWT、Guard/Strategy\n- Redis 存验证码；可配置 SMS_CODE_TTL_SECONDS；失败时回滚与明确错误\n- 短信改为 Spug 推送助手（code/targets/number/name），移除 UniSMS\n- Chat SSE 接口与 DTO；AppModule 挂载 RedisModule\n- 更新 README 与 project-solution 环境变量说明

Made-with: Cursor

src/apps/shared-domain/cache/redis.service.ts

@@ -0,0 +1,40 @@
+import { Injectable, OnModuleDestroy } from '@nestjs/common';
+import Redis from 'ioredis';
+
+@Injectable()
+export class RedisService implements OnModuleDestroy {
+  private readonly client: Redis;
+
+  constructor() {
+    this.client = new Redis({
+      host: process.env.REDIS_HOST || '127.0.0.1',
+      port: Number(process.env.REDIS_PORT || 6379),
+      password: process.env.REDIS_PASSWORD || undefined,
+      db: Number(process.env.REDIS_DB || 0),
+      keyPrefix: '',
+      lazyConnect: false,
+      maxRetriesPerRequest: 2,
+    });
+  }
+
+  getClient() {
+    return this.client;
+  }
+
+  async get(key: string) {
+    return this.client.get(key);
+  }
+
+  async setex(key: string, seconds: number, value: string) {
+    await this.client.set(key, value, 'EX', seconds);
+  }
+
+  async del(key: string) {
+    await this.client.del(key);
+  }
+
+  async onModuleDestroy() {
+    await this.client.quit();
+  }
+}
+