Initial commit: Telegram Management System

Full-stack web application for Telegram management
- Frontend: Vue 3 + Vben Admin
- Backend: NestJS
- Features: User management, group broadcast, statistics

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

backend-nestjs/docker/mysql/my.cnf

@@ -0,0 +1,42 @@
+[mysqld]
+# 基础配置
+default-storage-engine=InnoDB
+character-set-server=utf8mb4
+collation-server=utf8mb4_unicode_ci
+init-connect='SET NAMES utf8mb4'
+
+# 性能优化
+innodb_buffer_pool_size=256M
+innodb_log_file_size=64M
+innodb_log_buffer_size=16M
+innodb_flush_log_at_trx_commit=2
+innodb_file_per_table=1
+
+# 连接配置
+max_connections=200
+wait_timeout=28800
+interactive_timeout=28800
+
+# 查询缓存
+query_cache_type=1
+query_cache_size=32M
+query_cache_limit=2M
+
+# 慢查询日志
+slow_query_log=1
+slow_query_log_file=/var/log/mysql/slow.log
+long_query_time=2
+
+# 二进制日志
+log-bin=/var/lib/mysql/mysql-bin
+binlog_format=ROW
+expire_logs_days=7
+
+# 安全配置
+skip-name-resolve=1
+
+[mysql]
+default-character-set=utf8mb4
+
+[client]
+default-character-set=utf8mb4