fix: strip spaces in FormatMatchingModelName to match model name variants like Seedance 2.0

setting/ratio_setting/model_ratio.go

@@ -870,6 +870,8 @@ func GetCompletionRatioCopy() map[string]float64 {
 
 // 转换模型名，减少渠道必须配置各种带参数模型
 func FormatMatchingModelName(name string) string {
+	// 去除空格，使 "Seedance 2.0" 与 "Seedance2.0" 等变体能匹配
+	name = strings.ReplaceAll(name, " ", "")
 
 	if strings.HasPrefix(name, "gemini-2.5-flash-lite") {
 		name = handleThinkingBudgetModel(name, "gemini-2.5-flash-lite", "gemini-2.5-flash-lite-thinking-*")