refactor: clean up project structure

- Remove old review reports (keep latest only)
- Move docs/ to deploy/docs-backup/
- Move performance-testing/ to deploy/
- Clean up test output files
- Organize root directory

deploy/monitoring/.env.example

@@ -0,0 +1,50 @@
+# =============================================================================
+# Sub2API 监控栈环境变量配置
+# =============================================================================
+
+# -----------------------------------------------------------------------------
+# Grafana 配置
+# -----------------------------------------------------------------------------
+GRAFANA_ADMIN_USER=admin
+GRAFANA_ADMIN_PASSWORD=changeme
+GRAFANA_ROOT_URL=http://localhost:3000
+
+# -----------------------------------------------------------------------------
+# 告警通知配置
+# -----------------------------------------------------------------------------
+# Slack Webhook URL (用于告警通知)
+SLACK_WEBHOOK_URL=https://hooks.slack.com/services/YOUR/SLACK/WEBHOOK
+
+# PagerDuty Webhook URL (用于 Critical 告警)
+PAGERDUTY_WEBHOOK_URL=https://events.pagerduty.com/integration/YOUR/KEY/enqueue
+
+# SMTP 配置 (用于邮件告警)
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USER=your-email@gmail.com
+SMTP_PASSWORD=your-app-password
+
+# -----------------------------------------------------------------------------
+# 数据保留配置
+# -----------------------------------------------------------------------------
+# Prometheus 数据保留时间
+PROMETHEUS_RETENTION_TIME=30d
+PROMETHEUS_RETENTION_SIZE=50GB
+
+# Loki 数据保留时间
+LOKI_RETENTION_TIME=168h
+
+# -----------------------------------------------------------------------------
+# 外部服务配置
+# -----------------------------------------------------------------------------
+# Sub2API 服务地址 (用于抓取指标)
+SUB2API_HOST=sub2api
+SUB2API_PORT=8080
+
+# PostgreSQL Exporter 配置
+POSTGRES_EXPORTER_HOST=postgres-exporter
+POSTGRES_EXPORTER_PORT=9187
+
+# Redis Exporter 配置
+REDIS_EXPORTER_HOST=redis-exporter
+REDIS_EXPORTER_PORT=9121