chore: freeze local demo baseline

src/components/chat/ChatPanel.tsx

@@ -5,7 +5,7 @@ import { useApp } from "@/lib/store";
 import ChatMessage from "./ChatMessage";
 import ChatInput from "./ChatInput";
 import RawTraceExplorer from "./RawTraceExplorer";
-import { Sparkles, Workflow } from "lucide-react";
+import { FileText, Blocks, ShieldCheck, Users, Workflow } from "lucide-react";
 
 export default function ChatPanel() {
   const { messages, sessionId } = useApp();
@@ -22,20 +22,19 @@ export default function ChatPanel() {
       <div className="flex-1 min-h-0 overflow-y-scroll scroll-shadow">
         {messages.length === 0 ? (
           <div className="flex flex-col items-center justify-center h-full">
-            <div className="w-14 h-14 rounded-2xl bg-gradient-to-br from-[#002fa7] to-[#4070ff] flex items-center justify-center mb-4 shadow-lg shadow-[#002fa7]/15">
-              <Sparkles className="w-7 h-7 text-white" />
-            </div>
+            <div className="xingbang-chat-mark" aria-hidden="true">兴</div>
+            <p className="text-[10px] font-semibold tracking-[0.18em] text-[#6f8a7c] mb-2">兴邦金租 · 项目评审协同</p>
             <h2 className="text-lg font-semibold text-gray-800 mb-1">
-              Hi, how can I help?
+              从项目事实开始评审
             </h2>
-            <p className="text-[13px] text-gray-400 max-w-xs text-center leading-relaxed">
-              Ask me anything, or try{" "}
-              <span className="text-[#ff6723] font-medium">&quot;查询北京天气&quot;</span>
+            <p className="text-[13px] text-gray-400 max-w-md text-center leading-relaxed">
+              选择一个工作问题，或在下方输入项目资料与任务。
             </p>
-            <div className="flex flex-wrap gap-2 mt-5 max-w-md justify-center">
-              {["你好，介绍一下自己", "查询北京天气", "帮我写一段Python代码"].map((hint) => (
-                <QuickHint key={hint} text={hint} />
-              ))}
+            <div className="grid grid-cols-2 gap-2 mt-5 max-w-lg w-full px-4">
+              <QuickHint icon={ShieldCheck} text="帮我做一次项目风险研判" />
+              <QuickHint icon={FileText} text="根据研判快照建立评审底稿" />
+              <QuickHint icon={Users} text="整理上会待办并推荐主审员" />
+              <QuickHint icon={Blocks} text="核验租赁物与增信覆盖能力" />
             </div>
           </div>
         ) : (
@@ -72,13 +71,14 @@ export default function ChatPanel() {
   );
 }
 
-function QuickHint({ text }: { text: string }) {
+function QuickHint({ text, icon: Icon }: { text: string; icon: typeof ShieldCheck }) {
   const { sendMessage, isStreaming } = useApp();
   return (
     <button
       onClick={() => !isStreaming && sendMessage(text)}
-      className="px-3 py-1.5 rounded-full text-[12px] text-gray-500 bg-white/60 border border-black/[0.04] hover:bg-white hover:shadow-sm hover:text-gray-700 transition-all"
+      className="min-h-11 flex items-center gap-2 px-3 py-2 rounded-lg text-left text-[12px] leading-snug text-gray-600 bg-white/65 border border-black/[0.05] hover:bg-white hover:shadow-sm hover:text-[#17634c] transition-all"
     >
+      <Icon className="w-4 h-4 shrink-0 text-[#4f8a70]" />
       {text}
     </button>
   );