feat: pass sceneKind from /generate request to generator

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frontend/scene-generator/server.js

@@ -126,7 +126,7 @@ async function handleGenerate(req, res) {
     return;
   }
 
-  const { sourceDir, sceneId, sceneName, outputRoot, lessons } = body;
+  const { sourceDir, sceneId, sceneName, sceneKind, outputRoot, lessons } = body;
   if (!sourceDir || !sceneId || !sceneName || !outputRoot || !lessons) {
     res.writeHead(400, { "Content-Type": "application/json" });
     res.end(
@@ -142,7 +142,7 @@ async function handleGenerate(req, res) {
 
   try {
     await runGenerator(
-      { sourceDir, sceneId, sceneName, outputRoot, lessons },
+      { sourceDir, sceneId, sceneName, sceneKind, outputRoot, lessons },
       sseWriter,
       config.projectRoot
     );