Files
Edu/services/api-gateway/internal/middleware/requestid.go
SpecialX 4307f6b73c feat(api-gateway): 实现 W1-W8 网关硬化与 P2-P5 路由扩展
依据 coord-final-decisions §3.8 W1-W8 裁决与
president-final-rulings §2.15/§2.16/§2.19 完整实现网关硬化:

- W1/W2: 错误码 GW_ 前缀 + ActionState 信封响应体
- W3: 全量替换为 log/slog 结构化日志
- W4: /readyz 并行 ping 9 下游 + 软失败规则
- W5: 7 个业务 Prometheus 指标 + /metrics 端点
- W6: tracer 资源属性补全(name/version/env/host)
- W7: DevMode=true && ENV=production panic 防护
- W8: 保持共享 downstream 熔断

P2 RS256 升级:接入 shared-go/jwks.Fetcher(TTL 5min)。
P2.7+P3-P5 路由扩展:student/parent/messages/dashboard。
文档同步:README/01/02/known-issues,arch.db 已更新。
质量校验:go vet + build + test 均通过。
2026-07-10 18:15:48 +08:00

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package middleware
import (
"github.com/gin-gonic/gin"
"github.com/google/uuid"
)
// requestIDHeader 请求 ID 响应头名称
const requestIDHeader = "X-Request-Id"
// requestIDContextKey context 中存储请求 ID 的键
const requestIDContextKey = "request_id"
// RequestID 注入请求 ID 中间件。
// 从 X-Request-Id 头读取,无则生成 uuid写入 context 与响应头。
func RequestID() gin.HandlerFunc {
return func(c *gin.Context) {
rid := c.GetHeader(requestIDHeader)
if rid == "" {
// 02-architecture-design.md §4.6req-<uuid-v4> 格式
rid = "req-" + uuid.New().String()
}
c.Set(requestIDContextKey, rid)
c.Writer.Header().Set(requestIDHeader, rid)
c.Next()
}
}