🔧 fix(model_ratio): adjust return values for gemini-2.5-pro and gemini-2.5-flash models

setting/ratio_setting/model_ratio.go

@@ -501,13 +501,13 @@ func getHardcodedCompletionModelRatio(name string) (float64, bool) {
 		} else if strings.HasPrefix(name, "gemini-2.0") {
 			return 4, true
 		} else if strings.HasPrefix(name, "gemini-2.5-pro") { // 移除preview来增加兼容性，这里假设正式版的倍率和preview一致
-			return 8, true
+			return 8, false
 		} else if strings.HasPrefix(name, "gemini-2.5-flash") { // 处理不同的flash模型倍率
 			if strings.HasPrefix(name, "gemini-2.5-flash-preview") {
 				if strings.HasSuffix(name, "-nothinking") {
-					return 4, true
+					return 4, false
 				}
-				return 3.5 / 0.15, true
+				return 3.5 / 0.15, false
 			}
 			if strings.HasPrefix(name, "gemini-2.5-flash-lite-preview") {
 				return 4, true