security: 保护敏感信息

- 从 git 跟踪中移除 .env 文件
- 更新 .gitignore 忽略所有环境变量文件
- 添加 .env.example 作为配置模板

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.env

@@ -1,23 +0,0 @@
-JWT_SECRET=5270e53a05600cb1f19b287a915b1c792d7552cbaae261afb6dcaf988d0db10f
-SERVER_HOST='45.130.23.71'
-SERVER_PORT=3306
-SERVER_USER='golc'
-PASSWORD='Lichao1314!'
-DB_NAME='auth_db'
-
-# github
-GITHUB_CLIENT_ID=Ov23lihk723FlNAwlFg6
-GITHUB_CLIENT_SECRET=b839f50bba1f006ffdd43fb73c5ae221a54e1e2e
-GITHUB_CALLBACK_URL=http://45.130.23.71:8000/callback
-
-# 飞书
-
-FEISHU_APP_ID=cli_a66a897f687a5013
-FEISHU_APP_SECRET=s106GAbbCZk66OcHN69Rng5TaLK6fiH2
-
-# 深寻
-SILICONFLOW_API_KEY=sk-ojmkkuyrfigcmdlijbirbjaqmuwhhfsddcqdvpvayspqrupc
-DEEPSEEK_API_KEY=sk-e8941dc2bf1d4d099001b161db6f4317
-
-# Grok
-GROK_API_KEY=lichao1314

.env.example

@@ -0,0 +1,20 @@
+JWT_SECRET=your_jwt_secret_here
+SERVER_HOST=your_database_host
+SERVER_PORT=3306
+SERVER_USER=your_database_user
+PASSWORD=your_database_password
+DB_NAME=auth_db
+
+# GitHub OAuth
+GITHUB_CLIENT_ID=your_github_client_id
+GITHUB_CLIENT_SECRET=your_github_client_secret
+GITHUB_CALLBACK_URL=https://your-domain.com/callback
+
+# 飞书 OAuth
+FEISHU_APP_ID=your_feishu_app_id
+FEISHU_APP_SECRET=your_feishu_app_secret
+
+# AI API Keys
+SILICONFLOW_API_KEY=your_siliconflow_api_key
+DEEPSEEK_API_KEY=your_deepseek_api_key
+GROK_API_KEY=your_grok_api_key

.gitignore

@@ -2,6 +2,11 @@
 /dist
 /node_modules
 
+# Environment variables
+.env
+.env.local
+.env.*.local
+
 # Logs
 logs
 *.log