feat:优化数据

admin.js

@@ -83,6 +83,22 @@ saveBtn.addEventListener("click", async () => {
   if (payload.sourceFormat === "angle-metal-auto-converted") {
     alert("已自动解构并转换为 GLSL，展示页可直接渲染。");
   }
+  if (payload.id && typeof window.captureShaderThumbnail === "function") {
+    try {
+      const dataUrl = await window.captureShaderThumbnail(payload.code, payload.name);
+      const thumbRes = await fetch(`${API_BASE}/${encodeURIComponent(payload.id)}/thumbnail`, {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ pngBase64: dataUrl }),
+      });
+      if (!thumbRes.ok) {
+        const t = await thumbRes.json().catch(() => ({}));
+        console.warn("缩略图上传失败:", t.error || thumbRes.status);
+      }
+    } catch (e) {
+      console.warn("缩略图生成失败:", e);
+    }
+  }
   nameInput.value = "";
   authorInput.value = "";
   codeInput.value = "";