feat: sync deployed v1.0.0-rc.38-custom.42

Sync production source including routing, billing, Astra detection and public uptime. Update custom build instructions and license packaging.

common/model.go

@@ -2,6 +2,9 @@ package common
 
 import "strings"
 
+// ZImagePromptExtendMultiplier is the legacy Ali image request surcharge.
+const ZImagePromptExtendMultiplier = 2
+
 var (
 	// OpenAIResponseOnlyModels is a list of models that are only available for OpenAI responses.
 	OpenAIResponseOnlyModels = []string{
@@ -12,7 +15,20 @@ var (
 	ImageGenerationModels = []string{
 		"dall-e-3",
 		"dall-e-2",
-		"gpt-image-1",
+		"prefix:dall-e", // Deprecated upstream models; retained for compatible routes.
+		"gpt-image-",
+		"qwen-image",
+		"z-image",
+		"wan2.7-image-pro",
+		"wan2.7-image",
+		"wan2.6-image",
+		"wan2.6-t2i",
+		"wan2.5-t2i-preview",
+		"wan2.2-t2i-flash",
+		"wan2.2-t2i-plus",
+		"wanx2.1-t2i-turbo",
+		"wanx2.1-t2i-plus",
+		"wanx2.0-t2i-turbo",
 		"prefix:imagen-",
 		"flux-",
 		"flux.1-",
@@ -38,10 +54,13 @@ func IsOpenAIResponseOnlyModel(modelName string) bool {
 func IsImageGenerationModel(modelName string) bool {
 	modelName = strings.ToLower(modelName)
 	for _, m := range ImageGenerationModels {
-		if strings.Contains(modelName, m) {
-			return true
+		if prefix, ok := strings.CutPrefix(m, "prefix:"); ok {
+			if strings.HasPrefix(modelName, prefix) {
+				return true
+			}
+			continue
 		}
-		if strings.HasPrefix(m, "prefix:") && strings.HasPrefix(modelName, strings.TrimPrefix(m, "prefix:")) {
+		if strings.Contains(modelName, m) {
 			return true
 		}
 	}