phase 0 complete

internal/httpserver/middleware.go

@@ -0,0 +1,30 @@
+package httpserver
+
+import (
+	"log/slog"
+	"net/http"
+	"time"
+
+	"github.com/go-chi/chi/v5/middleware"
+)
+
+// RequestLogger logs one structured line per request: method, path, status,
+// duration, and (once auth exists) user id.
+func RequestLogger(logger *slog.Logger) func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			start := time.Now()
+			ww := middleware.NewWrapResponseWriter(w, r.ProtoMajor)
+
+			next.ServeHTTP(ww, r)
+
+			logger.Info("http_request",
+				"method", r.Method,
+				"path", r.URL.Path,
+				"status", ww.Status(),
+				"duration_ms", time.Since(start).Milliseconds(),
+				"request_id", middleware.GetReqID(r.Context()),
+			)
+		})
+	}
+}