fix: adapt frontend for legacy Chrome and runtime config

frontend-web/src/roundtable-planning/components/Step3ReportMode.tsx

@@ -552,7 +552,7 @@ function AgentProgressPanel({
       <div className="shrink-0 flex items-center justify-between gap-2 border-b border-slate-100 bg-white px-4 py-2.5">
         <div className="flex items-center gap-2 min-w-0">
           <div className="w-6 h-6 shrink-0 rounded-lg bg-gradient-to-tr from-primary to-[var(--brand-200)] flex items-center justify-center text-white text-xs shadow-sm">
-            📊
+            图
           </div>
           <div className="leading-tight min-w-0">
             <div className="text-xs font-bold text-slate-800 truncate">方案总结智能体</div>