代码修改

frontend-web/src/roundtable-planning/components/HighFidelityReport.tsx

@@ -368,8 +368,8 @@ export const HighFidelityReport: React.FC<HighFidelityReportProps> = ({
           )}
         </section>
 
-        {/* Section 3: Generated files per seat */}
-        <section className="bg-white border border-slate-200 rounded-2xl p-5 shadow-[0_2px_8px_rgba(0,0,0,0.02)]">
+        {/* Section 3: Generated files per seat —— 暂时隐藏(无真实产出文件链路) */}
+        <section className="hidden bg-white border border-slate-200 rounded-2xl p-5 shadow-[0_2px_8px_rgba(0,0,0,0.02)]">
           <h4 className="text-xs font-black text-slate-900 uppercase tracking-widest mb-3 flex items-center gap-2">
             <Download className="w-4 h-4 text-primary" />
             生成的报告文件

frontend-web/src/roundtable-planning/pages/RoundtablePlanningPage.tsx

@@ -3794,8 +3794,16 @@ export default function RoundtablePlanningPage() {
 
         {/* ========================================================
             RIGHT COLUMN (Current Intent Summary, Timeline/Logs)
+            第三步时所有 panel 都已隐藏 → 整个 right-sidebar 也不渲染,
+            让中间方案展示区自适应铺满空间。
            ======================================================== */}
-        <section id="right-sidebar" className="w-[300px] shrink-0 flex flex-col gap-4 overflow-y-auto pl-1">
+        <section
+          id="right-sidebar"
+          className={cn(
+            "w-[300px] shrink-0 flex flex-col gap-4 overflow-y-auto pl-1",
+            currentStep === 3 && "hidden",
+          )}
+        >
           
           {currentStep === 3 ? (
             <>