Sub2API v1.0 - AI API 网关（二开初始版本，基于上游 Wei-Shaw/sub2api）

backend/internal/handler/ops_error_logger_attribution_test.go

@@ -0,0 +1,14 @@
+package handler
+
+import (
+	"testing"
+)
+
+func TestKeyPrefix(t *testing.T) {
+	if got := keyPrefix("sk-3f2a9c7e", 8); got != "sk-3f2a9" {
+		t.Errorf("keyPrefix=%q want %q", got, "sk-3f2a9")
+	}
+	if got := keyPrefix("abc", 8); got != "abc" {
+		t.Errorf("short key should be returned as-is, got %q", got)
+	}
+}