fix: preserve analyzer clarification state

lib/ai/smart-analyzer.ts

@@ -72,6 +72,7 @@ function applyDirectExecutionPolicy(
 
   const compactText = params.text.replace(/\s+/g, "").trim();
   const hasAnyRequestText = compactText.length > 0;
+  const keepClarification = Boolean(result.needsClarification);
   const normalizedIntent = result.intent === "chat" || result.intent === "vision" ? "image_edit" : result.intent;
   const normalizedSubIntent =
     normalizedIntent === "image_edit"
@@ -83,8 +84,8 @@ function applyDirectExecutionPolicy(
     intent: normalizedIntent,
     subIntent: normalizedSubIntent,
     confidence: Math.max(result.confidence, 0.72),
-    needsClarification: false,
-    clarifyingQuestions: [],
+    needsClarification: keepClarification,
+    clarifyingQuestions: keepClarification ? result.clarifyingQuestions || [] : [],
     conversationalReply:
       result.conversationalReply ||
       (hasAnyRequestText ? "收到，我会按你的描述直接执行生成。" : "收到图片，我先按保真优化策略直接执行生成。"),