feat: gemini-2.5-flash-image-preview 文本和图片输出计费

setting/operation_setting/tools.go

@@ -24,6 +24,10 @@ const (
 	ClaudeWebSearchPrice = 10.00
 )
 
+const (
+	Gemini25FlashImagePreviewImageOutputPrice = 30.00
+)
+
 func GetClaudeWebSearchPricePerThousand() float64 {
 	return ClaudeWebSearchPrice
 }
@@ -65,3 +69,10 @@ func GetGeminiInputAudioPricePerMillionTokens(modelName string) float64 {
 	}
 	return 0
 }
+
+func GetGeminiImageOutputPricePerMillionTokens(modelName string) float64 {
+	if strings.HasPrefix(modelName, "gemini-2.5-flash-image-preview") {
+		return Gemini25FlashImagePreviewImageOutputPrice
+	}
+	return 0
+}