fix(panel): 建服表单按后端规则即时校验名称和子域名，控制台命令历史的下键不再跳到最早一条，补请求体测试

internal/naming/panel_mirror_test.go

@@ -0,0 +1,43 @@
+package naming
+
+import (
+	"os"
+	"regexp"
+	"slices"
+	"strings"
+	"testing"
+)
+
+// The panel's create form checks names as they are typed with its own copy of
+// this rule (panel/src/lib/naming.ts). A name reserved or a length changed here
+// without the panel would let the form send what the API refuses, or refuse what
+// it takes, so the copy is compared to the source.
+func TestPanelMirrorsServerNameRule(t *testing.T) {
+	raw, err := os.ReadFile("../../panel/src/lib/naming.ts")
+	if err != nil {
+		t.Fatal(err)
+	}
+	src := string(raw)
+
+	list := regexp.MustCompile(`(?s)RESERVED_SERVER_NAMES: readonly string\[\] = \[(.*?)\];`).FindStringSubmatch(src)
+	if list == nil {
+		t.Fatal("panel/src/lib/naming.ts: RESERVED_SERVER_NAMES not found")
+	}
+	var panel []string
+	for _, m := range regexp.MustCompile(`"([^"]*)"`).FindAllStringSubmatch(list[1], -1) {
+		panel = append(panel, m[1])
+	}
+	var api []string
+	for name := range reserved {
+		api = append(api, name)
+	}
+	slices.Sort(panel)
+	slices.Sort(api)
+	if !slices.Equal(panel, api) {
+		t.Errorf("panel reserves %v, API reserves %v", panel, api)
+	}
+
+	if want := "const SERVER_NAME_RE = /" + serverNameRE.String() + "/;"; !strings.Contains(src, want) {
+		t.Errorf("panel/src/lib/naming.ts lacks %q", want)
+	}
+}