feat(observability): 为 API 和 worker 增加独立 pprof 诊断端口

backend/internal/observability/pprof_test.go

@@ -0,0 +1,31 @@
+package observability
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+func TestNewPprofMux(t *testing.T) {
+	t.Parallel()
+
+	req := httptest.NewRequest(http.MethodGet, "/debug/pprof/", nil)
+	rr := httptest.NewRecorder()
+
+	NewPprofMux().ServeHTTP(rr, req)
+
+	if rr.Code != http.StatusOK {
+		t.Errorf("Expected status code 200, got %d", rr.Code)
+	}
+}
+	
+func TestStartPprofServerWithDisabled(t *testing.T) {
+	t.Parallel()
+
+	server, err := StartPprofServer("api", false, "localhost:6060")
+	if err != nil {
+		t.Fatalf("Failed to start pprof server: %v", err)
+	}
+	if server != nil {
+		t.Fatalf("Expected nil server when pprof is disabled, got non-nil")
+	}
+}