feat: support image quality control

apps/api/internal/runner/param_processor_media.go

@@ -378,3 +378,64 @@ func (imageCountProcessor) Process(params map[string]any, modelType string, cont
 	params["n"] = count
 	return true
 }
+
+type imageQualityProcessor struct{}
+
+func (imageQualityProcessor) Name() string { return "ImageQualityProcessor" }
+
+var openAICompatibleImageQualities = map[string]struct{}{
+	"low":    {},
+	"medium": {},
+	"high":   {},
+	"auto":   {},
+}
+
+func (imageQualityProcessor) ShouldProcess(params map[string]any, modelType string, context *paramProcessContext) bool {
+	if modelType != "image_generate" && modelType != "image_edit" {
+		return false
+	}
+	_, ok := params["quality"]
+	return ok
+}
+
+func (imageQualityProcessor) Process(params map[string]any, modelType string, context *paramProcessContext) bool {
+	capability := capabilityForType(context.modelCapability, modelType)
+	quality := stringFromAny(params["quality"])
+	if supportsImageQualityControl(capability) && isOpenAICompatibleImageQuality(quality) {
+		return true
+	}
+
+	before := params["quality"]
+	delete(params, "quality")
+	context.recordChange(
+		"ImageQualityProcessor",
+		"remove",
+		"quality",
+		before,
+		nil,
+		"模型能力未开启生成质量控制，已移除 quality 参数。",
+		capabilityPath(modelType, "support_quality_control"),
+		capabilityValue(context.modelCapability, modelType, "support_quality_control"),
+	)
+	return true
+}
+
+func supportsImageQualityControl(capability map[string]any) bool {
+	if capability == nil {
+		return false
+	}
+	for _, key := range []string{"support_quality_control", "supportQualityControl", "quality_control", "qualityControl", "quality"} {
+		if boolFromAny(capability[key]) {
+			return true
+		}
+	}
+	return false
+}
+
+func isOpenAICompatibleImageQuality(value string) bool {
+	if value == "" {
+		return false
+	}
+	_, ok := openAICompatibleImageQualities[value]
+	return ok
+}