cleanup(lpt-ai)：移除废弃的同步 API + 管理面板增加复制按钮

routes/ai.ts：
- 移除 /ai/aggregate-report、/ai/generate-mind-map、/ai/compare-recall
  三个同步端点，仅保留 /health + 异步任务路由
- 清除不再需要的 import（chat、prompts、LlmError、logStore）

admin/routes.ts：
- 日志详情增加「复制到剪贴板」按钮，一键复制完整请求/响应/
  prompt/参数文本，方便粘贴到外部工具调试

src/admin/routes.ts

@@ -134,8 +134,9 @@ async function toggleDetail(id, el) {
   const respStr = typeof log.responseBody === 'string' ? log.responseBody : JSON.stringify(log.responseBody ?? {}, null, 2);
   const paramsStr = log.params ? JSON.stringify(log.params, null, 2) : null;
   const errorHtml = log.error ? '<span style="color:#c62828">'+escapeHtml(log.error)+'</span><br><br>' : '';
+  const copyId = 'copy-'+id;
 
-  // 渲染 prompt messages：system 蓝色背景，user 灰色
+  // 渲染 prompt messages
   const renderMessages = (msgs) => {
     if (!msgs || msgs.length === 0) return '';
     return msgs.map((m,i) => {
@@ -149,12 +150,39 @@ async function toggleDetail(id, el) {
     }).join('');
   };
 
+  // 构建复制的纯文本
+  const buildCopyText = () => {
+    let txt = '=== lpt-ai 请求日志 ===\n';
+    txt += '端点: '+(log.endpoint||'')+'\n';
+    txt += '模型: '+(log.model||'')+'\n';
+    txt += '耗时: '+log.durationMs+'ms\n';
+    txt += '状态: '+log.status+'\n';
+    if (paramsStr) txt += '参数: '+paramsStr+'\n';
+    if (log.messages) {
+      log.messages.forEach((m,i) => {
+        txt += '\n--- '+(m.role==='system'?'System Prompt':'User Message')+' ---\n';
+        txt += m.content;
+      });
+    }
+    txt += '\n\n--- 原始请求体 ---\n';
+    txt += reqStr;
+    txt += '\n\n--- 响应体 ---\n';
+    if (log.error) txt += '错误: '+log.error+'\n';
+    txt += respStr;
+    return txt;
+  };
+
   let html = '';
-  // prompt 区域（如果有）
+  // 复制按钮
+  html += '<div style="display:flex;gap:6px;margin-bottom:10px">'+
+    '<button class="copy-btn" onclick="copyLog(\''+copyId+'\',this)">📋 复制到剪贴板</button>'+
+    '<textarea id="'+copyId+'" style="position:absolute;left:-9999px">'+escapeHtml(buildCopyText())+'</textarea>'+
+    '</div>';
+  // prompt
   if (log.messages && log.messages.length > 0) {
     html += '<div style="margin-bottom:12px"><h4>'+(log.messages.filter(m=>m.role==='system').length>0?'🧠':'')+' Prompt</h4>'+renderMessages(log.messages)+'</div>';
   }
-  // 参数 + 请求/响应
+  // 参数 + 耗时
   html += '<div class="side" style="margin-bottom:12px">';
   if (paramsStr) {
     html += '<div><h4>⚙️ 调用参数</h4><pre style="background:#fff3e0;border-color:#ffe0b2;font-size:12px">'+escapeHtml(paramsStr)+'</pre></div>';
@@ -180,6 +208,20 @@ function escapeHtml(s) {
   return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;');
 }
 
+function copyLog(id, btn) {
+  const ta = document.getElementById(id);
+  if (!ta) return;
+  ta.style.position = 'fixed';
+  ta.style.left = '0';
+  ta.style.top = '0';
+  ta.style.width = '1px';
+  ta.style.height = '1px';
+  ta.select();
+  try { document.execCommand('copy'); btn.textContent = '✅ 已复制'; setTimeout(()=>{btn.textContent='📋 复制到剪贴板';},2000); } catch(e) {}
+  ta.style.position = 'absolute';
+  ta.style.left = '-9999px';
+}
+
 $('#filterEndpoint').addEventListener('change', () => { loadedDetails = {}; loadLogs(); });
 
 async function init() {

src/routes/ai.ts

@@ -1,32 +1,11 @@
 /**
- * AI 能力路由
+ * AI 能力路由（仅异步任务模式，旧同步端点已移除）
  */
 
 import type { FastifyInstance } from "fastify";
-import { chat, isAvailable, loadConfig, LlmError } from "../llm/client.js";
-import { aggregateReportPrompt, compareRecallPrompt, generateMindMapPrompt, type FragmentInput } from "../llm/prompts.js";
-import { logStore } from "../admin/store.js";
+import { isAvailable, loadConfig } from "../llm/client.js";
 import { createTask, getTask, type TaskType } from "../task-queue.js";
 
-interface AggregateReportBody {
-  taskName: string;
-  fragments: FragmentInput[];
-  expectation?: string;
-}
-
-interface GenerateMindMapBody {
-  taskName: string;
-  taskDescription?: string;
-  reports: string[];
-  fragments: string[];
-}
-
-interface CompareRecallBody {
-  taskName: string;
-  standardOutline: string;
-  recallOutline: string;
-}
-
 export async function aiRoutes(app: FastifyInstance): Promise<void> {
   const config = loadConfig();
 
@@ -36,147 +15,6 @@ export async function aiRoutes(app: FastifyInstance): Promise<void> {
     model: config.model,
   }));
 
-  /**
-   * 残片聚合为学习报告
-   */
-  app.post<{ Body: AggregateReportBody }>("/ai/aggregate-report", async (request, reply) => {
-    const { taskName, fragments, expectation } = request.body ?? ({} as AggregateReportBody);
-    const t0 = Date.now();
-    const params = { temperature: 0.3, max_tokens: 2048 };
-
-    if (!taskName || !Array.isArray(fragments) || fragments.length === 0) {
-      logStore.add({
-        timestamp: new Date().toISOString(), endpoint: "/ai/aggregate-report",
-        model: config.model, durationMs: Date.now() - t0, status: 400,
-        requestBody: request.body ?? {}, params,
-        responseBody: { error: "taskName 与 fragments 不可为空" },
-      });
-      return reply.status(400).send({ error: "taskName 与 fragments 不可为空" });
-    }
-
-    try {
-      const messages = aggregateReportPrompt(taskName, fragments, expectation);
-      const report = await chat(config, messages);
-      const resp = { report: report.trim(), model: config.model };
-      logStore.add({
-        timestamp: new Date().toISOString(), endpoint: "/ai/aggregate-report",
-        model: config.model, durationMs: Date.now() - t0, status: 200,
-        requestBody: request.body ?? {}, messages, params, responseBody: resp,
-      });
-      return resp;
-    } catch (err) {
-      const status = err instanceof LlmError ? err.statusCode : 500;
-      const errMsg = err instanceof Error ? err.message : String(err);
-      logStore.add({
-        timestamp: new Date().toISOString(), endpoint: "/ai/aggregate-report",
-        model: config.model, durationMs: Date.now() - t0, status,
-        requestBody: request.body ?? {}, params, responseBody: {}, error: errMsg,
-      });
-      if (err instanceof LlmError) {
-        return reply.status(err.statusCode).send({ error: err.message });
-      }
-      throw err;
-    }
-  });
-
-  /**
-   * 从学习数据生成思维导图大纲（缩进文本，与后端 MindMapTreeTool 格式一致）
-   */
-  app.post<{ Body: GenerateMindMapBody }>("/ai/generate-mind-map", async (request, reply) => {
-    const { taskName, taskDescription, reports, fragments } =
-      request.body ?? ({} as GenerateMindMapBody);
-    const t0 = Date.now();
-    const params = { temperature: 0.3, max_tokens: 4096 };
-
-    if (!taskName || ((reports?.length ?? 0) === 0 && (fragments?.length ?? 0) === 0)) {
-      logStore.add({
-        timestamp: new Date().toISOString(), endpoint: "/ai/generate-mind-map",
-        model: config.model, durationMs: Date.now() - t0, status: 400,
-        requestBody: request.body ?? {}, params,
-        responseBody: { error: "taskName 不可为空且 reports/fragments 至少一项非空" },
-      });
-      return reply.status(400).send({ error: "taskName 不可为空且 reports/fragments 至少一项非空" });
-    }
-
-    try {
-      const messages = generateMindMapPrompt(
-        taskName,
-        taskDescription ?? "",
-        reports ?? [],
-        fragments ?? [],
-      );
-      const outline = await chat(config, messages, { maxTokens: 4096 });
-      const resp = { outline: outline.trim(), model: config.model };
-      logStore.add({
-        timestamp: new Date().toISOString(), endpoint: "/ai/generate-mind-map",
-        model: config.model, durationMs: Date.now() - t0, status: 200,
-        requestBody: request.body ?? {}, messages, params, responseBody: resp,
-      });
-      return resp;
-    } catch (err) {
-      const status = err instanceof LlmError ? err.statusCode : 500;
-      const errMsg = err instanceof Error ? err.message : String(err);
-      logStore.add({
-        timestamp: new Date().toISOString(), endpoint: "/ai/generate-mind-map",
-        model: config.model, durationMs: Date.now() - t0, status,
-        requestBody: request.body ?? {}, params, responseBody: {}, error: errMsg,
-      });
-      if (err instanceof LlmError) {
-        return reply.status(err.statusCode).send({ error: err.message });
-      }
-      throw err;
-    }
-  });
-
-  /**
-   * 回忆对比：将用户凭记忆写的导图大纲与标准导图语义对比。
-   */
-  app.post<{ Body: CompareRecallBody }>("/ai/compare-recall", async (request, reply) => {
-    const { taskName, standardOutline, recallOutline } = request.body ?? ({} as CompareRecallBody);
-    const t0 = Date.now();
-    const params = { temperature: 0.2, max_tokens: 4096 };
-
-    if (!taskName || !standardOutline?.trim() || !recallOutline?.trim()) {
-      logStore.add({
-        timestamp: new Date().toISOString(), endpoint: "/ai/compare-recall",
-        model: config.model, durationMs: Date.now() - t0, status: 400,
-        requestBody: request.body ?? {}, params,
-        responseBody: { error: "taskName、standardOutline、recallOutline 均不可为空" },
-      });
-      return reply.status(400).send({ error: "taskName、standardOutline、recallOutline 均不可为空" });
-    }
-
-    try {
-      const messages = compareRecallPrompt(taskName, standardOutline, recallOutline);
-      const raw = await chat(config, messages, { temperature: 0.2, maxTokens: 4096 });
-      // LLM 可能把 JSON 包在 ```json ... ``` 里，做一次清理
-      const clean = raw.trim().replace(/^```(?:json)?\s*/, "").replace(/\s*```$/, "");
-      const result = JSON.parse(clean);
-      logStore.add({
-        timestamp: new Date().toISOString(), endpoint: "/ai/compare-recall",
-        model: config.model, durationMs: Date.now() - t0, status: 200,
-        requestBody: request.body ?? {}, messages, params,
-        responseBody: result,
-      });
-      return result;
-    } catch (err) {
-      const status = err instanceof LlmError ? err.statusCode
-                   : err instanceof SyntaxError ? 502 : 500;
-      const errMsg = err instanceof Error ? err.message : String(err);
-      logStore.add({
-        timestamp: new Date().toISOString(), endpoint: "/ai/compare-recall",
-        model: config.model, durationMs: Date.now() - t0, status,
-        requestBody: request.body ?? {}, params, responseBody: {}, error: errMsg,
-      });
-      if (err instanceof LlmError) {
-        return reply.status(err.statusCode).send({ error: err.message });
-      }
-      throw err;
-    }
-  });
-
-  // ============ 异步任务（提交 + 轮询）============
-
   /** 提交 AI 任务，立即返回 taskId */
   app.post<{ Body: { type: string; params: Record<string, unknown> } }>("/ai/tasks", async (request, reply) => {
     const { type, params } = request.body ?? {};