增加2.5模型调用

lib/server/image-template-input.ts

@@ -58,6 +58,7 @@ function normalizeTemplateSettings(value: unknown): ImageTemplate["settings"] {
   const width = optionalPositiveInteger(value.width);
   const height = optionalPositiveInteger(value.height);
   const engine = normalizeImageEngine(value.engine);
+  const model = engine === "evolink" ? normalizeEvolinkModel(value.model) : undefined;
   const scale = optionalScale(value.scale);
   const quality = normalizeQuality(value.quality);
   const size = normalizeSeedreamSize(value.size);
@@ -65,6 +66,7 @@ function normalizeTemplateSettings(value: unknown): ImageTemplate["settings"] {
   const optimizeMode = normalizeOptimizeMode(value.optimizeMode);
   return {
     ...(engine ? { engine } : {}),
+    ...(model ? { model } : {}),
     ...(width && height ? { width, height } : {}),
     ...(typeof value.forceSingle === "boolean" ? { forceSingle: value.forceSingle } : {}),
     ...(scale !== undefined ? { scale } : {}),
@@ -99,6 +101,13 @@ function normalizeImageEngine(value: unknown): ImageTemplate["settings"]["engine
   return undefined;
 }
 
+function normalizeEvolinkModel(value: unknown): string | undefined {
+  const text = optionalText(value, 100);
+  if (!text) return undefined;
+  if (!/^[a-z0-9][a-z0-9._-]*$/.test(text)) throw new Error("EvoLink 模型 ID 格式无效");
+  return text;
+}
+
 function normalizeSeedreamSize(value: unknown): ImageTemplate["settings"]["size"] | undefined {
   const text = optionalText(value, 10)?.toUpperCase();
   if (text === "1K" || text === "1.5K" || text === "2K") return text;