feat: 在 CLI 输出中附加 Agent 短 ID，修复同名 Agent 无法区分的问题

- formatters.js: 新增 shortId() 工具函数，在 formatLook、formatChat、
  formatPerceptions 的输出中为每个 Agent 附加 #xxxx 短标识
- world-engine.js: addChat 增加 playerId 参数，chat entry 携带发送者 ID；
  drainChat 改用 playerId 过滤自己的消息，修复同名 Agent 消息误过滤 bug

Author: Alicization Town Bot

server/src/engine/world-engine.js

@@ -142,8 +142,8 @@ function sanitize(player) {
   };
 }
 
-function addChat(name, message, x, y) {
-  const entry = { id: ++nextChatCursor, time: Date.now(), name, message, x, y };
+function addChat(playerId, name, message, x, y) {
+  const entry = { id: ++nextChatCursor, playerId, time: Date.now(), name, message, x, y };
   chatHistory.push(entry);
   if (chatHistory.length > MAX_CHAT_MESSAGES) chatHistory.shift();
   events.emit('chat', entry);
@@ -153,7 +153,7 @@ function drainChat(playerId) {
   const player = players[playerId];
   if (!player) return [];
   const cursor = player.lastChatCursor || 0;
-  const newMessages = chatHistory.filter((m) => m.id > cursor && m.name !== player.name);
+  const newMessages = chatHistory.filter((m) => m.id > cursor && m.playerId !== playerId);
   if (newMessages.length > 0) {
     player.lastChatCursor = newMessages[newMessages.length - 1].id;
   }
@@ -447,7 +447,7 @@ function chat(playerId, text) {
   touchAction(playerId);
   player.message = text;
   player.lastSpeakAt = Date.now();
-  addChat(player.name, text, player.x, player.y);
+  addChat(playerId, player.name, text, player.x, player.y);
   addActivity(playerId, { type: 'chat', text: `说: "${text.substring(0, 30)}${text.length > 30 ? '...' : ''}"` });
   emitPerception('chat', playerId, player.name, player.x, player.y, { text });
   broadcast();

shared/town-client/formatters.js

@@ -1,3 +1,9 @@
+function shortId(id) {
+  if (!id) return '';
+  const s = String(id);
+  return ` #${s.slice(-4)}`;
+}
+
 function stringifyResult(value) {
   return JSON.stringify(value, null, 2);
 }
@@ -53,7 +59,7 @@ function formatLook(result) {
 
   info += '👥 【附近的人】\n';
   nearby.forEach((person) => {
-    info += `- ${person.name} 距离你 ${person.distance} 步 (位于 ${person.zone})`;
+    info += `- ${person.name}${shortId(person.id)} 距离你 ${person.distance} 步 (位于 ${person.zone})`;
     if (person.relativeDirection) info += `，在你的${person.relativeDirection}`;
     if (person.message) info += `，他正在说: "${person.message}"`;
     else if (person.lastSpeakAt) info += `，最近说过话`;
@@ -85,7 +91,7 @@ function formatChat(messages, selfText) {
   for (const msg of messages) {
     const t = new Date(msg.time);
     const ts = `${String(t.getHours()).padStart(2, '0')}:${String(t.getMinutes()).padStart(2, '0')}`;
-    info += `[${ts}] ${msg.name}: ${msg.message}\n`;
+    info += `[${ts}] ${msg.name}${shortId(msg.playerId)}: ${msg.message}\n`;
   }
   return info.trimEnd();
 }
@@ -105,16 +111,17 @@ function formatPerceptions(perceptions) {
   for (const event of perceptions) {
     const icon = typeLabels[event.type] || '•';
     const attentionBar = event.attention >= 0.7 ? '⚡' : event.attention >= 0.4 ? '●' : '○';
+    const tag = shortId(event.fromId);
     if (event.type === 'chat') {
-      info += `${attentionBar} ${icon} ${event.from} 说: "${event.text}" (距离 ${event.distance} 步)\n`;
+      info += `${attentionBar} ${icon} ${event.from}${tag} 说: "${event.text}" (距离 ${event.distance} 步)\n`;
     } else if (event.type === 'interact') {
-      info += `${attentionBar} ${icon} ${event.from} 在${event.zone}进行了: ${event.action} (距离 ${event.distance} 步)\n`;
+      info += `${attentionBar} ${icon} ${event.from}${tag} 在${event.zone}进行了: ${event.action} (距离 ${event.distance} 步)\n`;
     } else if (event.type === 'move') {
-      info += `${attentionBar} ${icon} ${event.from} 移动到了${event.zone} (距离 ${event.distance} 步)\n`;
+      info += `${attentionBar} ${icon} ${event.from}${tag} 移动到了${event.zone} (距离 ${event.distance} 步)\n`;
     } else if (event.type === 'join') {
-      info += `${attentionBar} ${icon} ${event.from} 加入了小镇\n`;
+      info += `${attentionBar} ${icon} ${event.from}${tag} 加入了小镇\n`;
     } else if (event.type === 'leave') {
-      info += `${attentionBar} ${icon} ${event.from} 离开了小镇\n`;
+      info += `${attentionBar} ${icon} ${event.from}${tag} 离开了小镇\n`;
     }
   }
   return info.trimEnd();