fix: complete OpenAI logs and default persisted logs to summary

README.md

@@ -80,6 +80,7 @@ cp config.yaml.example config.yaml
 | `logging.file_enabled` | 日志文件持久化 | `false` |
 | `logging.dir` | 日志存储目录 | `./logs` |
 | `logging.max_days` | 日志保留天数 | `7` |
+| `logging.persist_mode` | 日志落盘模式：`summary` 问答摘要 / `compact` 精简 / `full` 完整 | `summary` |
 | `max_auto_continue` | 截断自动续写次数 (`0`=禁用，交由客户端续写) | `0` |
 | `sanitize_response` | 响应内容清洗开关（替换 Cursor 身份引用为 Claude） | `false` |
 | `refusal_patterns` | 自定义拒绝检测规则列表（追加到内置规则） | 不配置 |
@@ -137,6 +138,8 @@ OPENAI_BASE_URL=http://localhost:3010/v1
 - **阶段耗时** - 可视化时间线展示各阶段耗时（receive → convert → send → response → complete）
 - **🌙 日/夜主题** - 一键切换明暗主题，自动记忆偏好
 - **日志持久化** - 配置 `logging.file_enabled: true` 后日志写入 JSONL 文件，重启自动加载
+- **摘要落盘（默认）** - `logging.persist_mode: summary` 仅保留“用户问题 + 模型回答”与少量元数据，体积最小
+- **精简落盘** - `logging.persist_mode: compact` 保留更多排障字段，同时压缩磁盘 JSONL
 
 ### 鉴权
 

config.yaml.example

@@ -169,7 +169,7 @@ vision:
 
 # ==================== 日志持久化配置（可选） ====================
 # 开启后日志会写入文件，重启后自动加载历史记录
-# 环境变量: LOG_FILE_ENABLED=true|false, LOG_DIR=./logs
+# 环境变量: LOG_FILE_ENABLED=true|false, LOG_DIR=./logs, LOG_PERSIST_MODE=compact|full|summary
 logging:
   # 是否启用日志文件持久化（默认关闭）
   file_enabled: false
@@ -177,3 +177,8 @@ logging:
   dir: "./logs"
   # 日志保留天数（超过天数的日志文件会自动清理）
   max_days: 7
+  # 落盘模式:
+  #   compact = 精简调试信息（保留更多排障细节）
+  #   full    = 完整持久化
+  #   summary = 仅保留“用户问了什么 / 模型答了什么”与少量元数据（默认）
+  persist_mode: summary

public/logs.js

@@ -262,6 +262,10 @@ function renderPromptsTab(tc){
   }
   // ===== 原始请求 =====
   h+='<div class="content-section"><div class="cs-title">📥 客户端原始请求</div></div>';
+  if(curPayload.question){
+    h+='<div class="content-section"><div class="cs-title">❓ 用户问题摘要 <span class="cnt">'+fmtN(curPayload.question.length)+' chars</span></div>';
+    h+='<div class="resp-box" style="max-height:300px;overflow-y:auto;border-color:var(--orange)">'+escH(curPayload.question)+'<button class="copy-btn" onclick="copyText(curPayload.question)">复制</button></div></div>';
+  }
   if(curPayload.systemPrompt){
     h+='<div class="content-section"><div class="cs-title">🔒 原始 System Prompt <span class="cnt">'+fmtN(curPayload.systemPrompt.length)+' chars</span></div>';
     h+='<div class="resp-box" style="max-height:400px;overflow-y:auto;border-color:var(--orange)">'+escH(curPayload.systemPrompt)+'<button class="copy-btn" onclick="copyText(curPayload.systemPrompt)">复制</button></div></div>';
@@ -294,6 +298,15 @@ function renderPromptsTab(tc){
 function renderResponseTab(tc){
   if(!curPayload){tc.innerHTML='<div class="empty"><div class="ic">📤</div><p>暂无响应数据</p></div>';return}
   let h='';
+  if(curPayload.answer){
+    const title=curPayload.answerType==='tool_calls'?'✅ 最终结果（工具调用摘要）':'✅ 最终回答摘要';
+    h+='<div class="content-section"><div class="cs-title">'+title+' <span class="cnt">'+fmtN(curPayload.answer.length)+' chars</span></div>';
+    h+='<div class="resp-box diff" style="max-height:320px">'+escH(curPayload.answer)+'<button class="copy-btn" onclick="copyText(curPayload.answer)">复制</button></div></div>';
+  }
+  if(curPayload.toolCallNames&&curPayload.toolCallNames.length&&!curPayload.toolCalls){
+    h+='<div class="content-section"><div class="cs-title">🔧 工具调用名称 <span class="cnt">'+curPayload.toolCallNames.length+' 个</span></div>';
+    h+='<div class="resp-box">'+escH(curPayload.toolCallNames.join(', '))+'<button class="copy-btn" onclick="copyText(curPayload.toolCallNames.join(\', \'))">复制</button></div></div>';
+  }
   if(curPayload.thinkingContent){
     h+='<div class="content-section"><div class="cs-title">🧠 Thinking 内容 <span class="cnt">'+fmtN(curPayload.thinkingContent.length)+' chars</span></div>';
     h+='<div class="resp-box" style="border-color:var(--purple);max-height:300px">'+escH(curPayload.thinkingContent)+'<button class="copy-btn" onclick="copyText(curPayload.thinkingContent)">复制</button></div></div>';

src/config.ts

@@ -74,10 +74,12 @@ function parseYamlConfig(defaults: AppConfig): { config: AppConfig; raw: Record<
         }
         // ★ 日志文件持久化
         if (yaml.logging !== undefined) {
+            const persistModes = ['compact', 'full', 'summary'];
             result.logging = {
                 file_enabled: yaml.logging.file_enabled === true, // 默认关闭
                 dir: yaml.logging.dir || './logs',
                 max_days: typeof yaml.logging.max_days === 'number' ? yaml.logging.max_days : 7,
+                persist_mode: persistModes.includes(yaml.logging.persist_mode) ? yaml.logging.persist_mode : 'summary',
             };
         }
         // ★ 工具处理配置
@@ -139,13 +141,21 @@ function applyEnvOverrides(cfg: AppConfig): void {
     }
     // Logging 环境变量覆盖
     if (process.env.LOG_FILE_ENABLED !== undefined) {
-        if (!cfg.logging) cfg.logging = { file_enabled: false, dir: './logs', max_days: 7 };
+        if (!cfg.logging) cfg.logging = { file_enabled: false, dir: './logs', max_days: 7, persist_mode: 'summary' };
         cfg.logging.file_enabled = process.env.LOG_FILE_ENABLED === 'true' || process.env.LOG_FILE_ENABLED === '1';
     }
     if (process.env.LOG_DIR) {
-        if (!cfg.logging) cfg.logging = { file_enabled: false, dir: './logs', max_days: 7 };
+        if (!cfg.logging) cfg.logging = { file_enabled: false, dir: './logs', max_days: 7, persist_mode: 'summary' };
         cfg.logging.dir = process.env.LOG_DIR;
     }
+    if (process.env.LOG_PERSIST_MODE) {
+        if (!cfg.logging) cfg.logging = { file_enabled: false, dir: './logs', max_days: 7, persist_mode: 'summary' };
+        cfg.logging.persist_mode = process.env.LOG_PERSIST_MODE === 'full'
+            ? 'full'
+            : process.env.LOG_PERSIST_MODE === 'summary'
+                ? 'summary'
+                : 'compact';
+    }
     // 工具透传模式环境变量覆盖
     if (process.env.TOOLS_PASSTHROUGH !== undefined) {
         if (!cfg.tools) cfg.tools = { schemaMode: 'full', descriptionMaxLength: 0 };

src/index.ts

@@ -153,7 +153,9 @@ loadLogsFromFiles();
 
 app.listen(config.port, () => {
     const auth = config.authTokens?.length ? `${config.authTokens.length} token(s)` : 'open';
-    const logPersist = config.logging?.file_enabled ? `file → ${config.logging.dir}` : 'memory only';
+    const logPersist = config.logging?.file_enabled
+        ? `file(${config.logging.persist_mode || 'summary'}) → ${config.logging.dir}`
+        : 'memory only';
     
     // Tools 配置摘要
     const toolsCfg = config.tools;

src/logger.ts

@@ -80,6 +80,14 @@ export interface RequestPayload {
     retryResponses?: Array<{ attempt: number; response: string; reason: string }>;
     /** 每次续写的原始响应 */
     continuationResponses?: Array<{ index: number; response: string; dedupedLength: number }>;
+    /** summary 模式：最后一个用户问题 */
+    question?: string;
+    /** summary 模式：最终回答摘要 */
+    answer?: string;
+    /** summary 模式：回答类型 */
+    answerType?: 'text' | 'tool_calls' | 'empty';
+    /** summary 模式：工具调用名称列表 */
+    toolCallNames?: string[];
 }
 
 export interface RequestSummary {
@@ -133,12 +141,31 @@ function shortId(): string {
 
 // ==================== 日志文件持久化 ====================
 
+const DEFAULT_PERSIST_MODE: 'compact' | 'full' | 'summary' = 'summary';
+const DISK_SYSTEM_PROMPT_CHARS = 2000;
+const DISK_MESSAGE_PREVIEW_CHARS = 3000;
+const DISK_CURSOR_MESSAGE_PREVIEW_CHARS = 2000;
+const DISK_RESPONSE_CHARS = 8000;
+const DISK_THINKING_CHARS = 4000;
+const DISK_TOOL_DESC_CHARS = 500;
+const DISK_RETRY_CHARS = 2000;
+const DISK_TOOLCALL_STRING_CHARS = 1200;
+const DISK_MAX_ARRAY_ITEMS = 20;
+const DISK_MAX_OBJECT_DEPTH = 5;
+const DISK_SUMMARY_QUESTION_CHARS = 2000;
+const DISK_SUMMARY_ANSWER_CHARS = 4000;
+
 function getLogDir(): string | null {
     const cfg = getConfig();
     if (!cfg.logging?.file_enabled) return null;
     return cfg.logging.dir || './logs';
 }
 
+function getPersistMode(): 'compact' | 'full' | 'summary' {
+    const mode = getConfig().logging?.persist_mode;
+    return mode === 'full' || mode === 'summary' || mode === 'compact' ? mode : DEFAULT_PERSIST_MODE;
+}
+
 function getLogFilePath(): string | null {
     const dir = getLogDir();
     if (!dir) return null;
@@ -153,13 +180,256 @@ function ensureLogDir(): void {
     }
 }
 
+function truncateMiddle(text: string, maxChars: number): string {
+    if (!text || text.length <= maxChars) return text;
+    const omitted = text.length - maxChars;
+    const marker = `\n...[截断 ${omitted} chars]...\n`;
+    const remain = Math.max(16, maxChars - marker.length);
+    const head = Math.ceil(remain * 0.7);
+    const tail = Math.max(8, remain - head);
+    return text.slice(0, head) + marker + text.slice(text.length - tail);
+}
+
+function compactUnknownValue(value: unknown, maxStringChars = DISK_TOOLCALL_STRING_CHARS, depth = 0): unknown {
+    if (value === null || value === undefined) return value;
+    if (typeof value === 'string') return truncateMiddle(value, maxStringChars);
+    if (typeof value === 'number' || typeof value === 'boolean' || typeof value === 'bigint') return value;
+    if (depth >= DISK_MAX_OBJECT_DEPTH) {
+        if (Array.isArray(value)) return `[array(${value.length})]`;
+        return '[object]';
+    }
+    if (Array.isArray(value)) {
+        const items = value.slice(0, DISK_MAX_ARRAY_ITEMS)
+            .map(item => compactUnknownValue(item, maxStringChars, depth + 1));
+        if (value.length > DISK_MAX_ARRAY_ITEMS) {
+            items.push(`[... ${value.length - DISK_MAX_ARRAY_ITEMS} more items]`);
+        }
+        return items;
+    }
+    if (typeof value === 'object') {
+        const result: Record<string, unknown> = {};
+        for (const [key, entry] of Object.entries(value as Record<string, unknown>)) {
+            const limit = /content|text|arguments|description|prompt|response|reasoning/i.test(key)
+                ? maxStringChars
+                : Math.min(maxStringChars, 400);
+            result[key] = compactUnknownValue(entry, limit, depth + 1);
+        }
+        return result;
+    }
+    return String(value);
+}
+
+function extractTextParts(value: unknown): string {
+    if (typeof value === 'string') return value;
+    if (!value) return '';
+    if (Array.isArray(value)) {
+        return value
+            .map(item => extractTextParts(item))
+            .filter(Boolean)
+            .join('\n');
+    }
+    if (typeof value === 'object') {
+        const record = value as Record<string, unknown>;
+        if (typeof record.text === 'string') return record.text;
+        if (typeof record.output === 'string') return record.output;
+        if (typeof record.content === 'string') return record.content;
+        if (record.content !== undefined) return extractTextParts(record.content);
+        if (record.input !== undefined) return extractTextParts(record.input);
+    }
+    return '';
+}
+
+function extractLastUserQuestion(summary: RequestSummary, payload: RequestPayload): string | undefined {
+    const lastUser = payload.messages?.slice().reverse().find(m => m.role === 'user' && m.contentPreview?.trim());
+    if (lastUser?.contentPreview) {
+        return truncateMiddle(lastUser.contentPreview, DISK_SUMMARY_QUESTION_CHARS);
+    }
+
+    const original = payload.originalRequest && typeof payload.originalRequest === 'object' && !Array.isArray(payload.originalRequest)
+        ? payload.originalRequest as Record<string, unknown>
+        : undefined;
+    if (!original) {
+        return summary.title ? truncateMiddle(summary.title, DISK_SUMMARY_QUESTION_CHARS) : undefined;
+    }
+
+    if (Array.isArray(original.messages)) {
+        for (let i = original.messages.length - 1; i >= 0; i--) {
+            const item = original.messages[i] as Record<string, unknown>;
+            if (item?.role === 'user') {
+                const text = extractTextParts(item.content);
+                if (text.trim()) return truncateMiddle(text, DISK_SUMMARY_QUESTION_CHARS);
+            }
+        }
+    }
+
+    if (typeof original.input === 'string' && original.input.trim()) {
+        return truncateMiddle(original.input, DISK_SUMMARY_QUESTION_CHARS);
+    }
+    if (Array.isArray(original.input)) {
+        for (let i = original.input.length - 1; i >= 0; i--) {
+            const item = original.input[i] as Record<string, unknown>;
+            if (!item) continue;
+            const role = typeof item.role === 'string' ? item.role : 'user';
+            if (role === 'user') {
+                const text = extractTextParts(item.content ?? item.input ?? item);
+                if (text.trim()) return truncateMiddle(text, DISK_SUMMARY_QUESTION_CHARS);
+            }
+        }
+    }
+
+    return summary.title ? truncateMiddle(summary.title, DISK_SUMMARY_QUESTION_CHARS) : undefined;
+}
+
+function extractToolCallNames(payload: RequestPayload): string[] {
+    if (!payload.toolCalls?.length) return [];
+    return payload.toolCalls
+        .map(call => {
+            if (call && typeof call === 'object') {
+                const record = call as Record<string, unknown>;
+                if (typeof record.name === 'string') return record.name;
+                const fn = record.function;
+                if (fn && typeof fn === 'object' && typeof (fn as Record<string, unknown>).name === 'string') {
+                    return (fn as Record<string, unknown>).name as string;
+                }
+            }
+            return '';
+        })
+        .filter(Boolean);
+}
+
+function buildSummaryPayload(summary: RequestSummary, payload: RequestPayload): RequestPayload {
+    const question = extractLastUserQuestion(summary, payload);
+    const answerText = payload.finalResponse || payload.rawResponse || '';
+    const toolCallNames = extractToolCallNames(payload);
+    const answer = answerText
+        ? truncateMiddle(answerText, DISK_SUMMARY_ANSWER_CHARS)
+        : toolCallNames.length > 0
+            ? `[tool_calls] ${toolCallNames.join(', ')}`
+            : undefined;
+
+    return {
+        ...(question ? { question } : {}),
+        ...(answer ? { answer } : {}),
+        answerType: answerText ? 'text' : toolCallNames.length > 0 ? 'tool_calls' : 'empty',
+        ...(toolCallNames.length > 0 ? { toolCallNames } : {}),
+    };
+}
+
+function buildCompactOriginalRequest(summary: RequestSummary, payload: RequestPayload): Record<string, unknown> | undefined {
+    const original = payload.originalRequest && typeof payload.originalRequest === 'object' && !Array.isArray(payload.originalRequest)
+        ? payload.originalRequest as Record<string, unknown>
+        : undefined;
+    const result: Record<string, unknown> = {
+        model: summary.model,
+        stream: summary.stream,
+        apiFormat: summary.apiFormat,
+        messageCount: summary.messageCount,
+        toolCount: summary.toolCount,
+    };
+
+    if (summary.title) result.title = summary.title;
+    if (payload.systemPrompt) result.systemPromptPreview = truncateMiddle(payload.systemPrompt, DISK_SYSTEM_PROMPT_CHARS);
+    if (payload.messages?.some(m => m.hasImages)) result.hasImages = true;
+
+    const lastUser = payload.messages?.slice().reverse().find(m => m.role === 'user');
+    if (lastUser?.contentPreview) {
+        result.lastUserPreview = truncateMiddle(lastUser.contentPreview, 800);
+    }
+
+    if (original) {
+        for (const key of ['temperature', 'top_p', 'max_tokens', 'max_completion_tokens', 'max_output_tokens']) {
+            const value = original[key];
+            if (value !== undefined && typeof value !== 'object') result[key] = value;
+        }
+        if (typeof original.instructions === 'string') {
+            result.instructions = truncateMiddle(original.instructions, 1200);
+        }
+        if (typeof original.system === 'string') {
+            result.system = truncateMiddle(original.system, DISK_SYSTEM_PROMPT_CHARS);
+        }
+    }
+
+    return Object.keys(result).length > 0 ? result : undefined;
+}
+
+function compactPayloadForDisk(summary: RequestSummary, payload: RequestPayload): RequestPayload {
+    const compact: RequestPayload = {};
+
+    if (payload.originalRequest !== undefined) {
+        compact.originalRequest = buildCompactOriginalRequest(summary, payload);
+    }
+    if (payload.systemPrompt) {
+        compact.systemPrompt = truncateMiddle(payload.systemPrompt, DISK_SYSTEM_PROMPT_CHARS);
+    }
+    if (payload.messages?.length) {
+        compact.messages = payload.messages.map(msg => ({
+            ...msg,
+            contentPreview: truncateMiddle(msg.contentPreview, DISK_MESSAGE_PREVIEW_CHARS),
+        }));
+    }
+    if (payload.tools?.length) {
+        compact.tools = payload.tools.map(tool => ({
+            name: tool.name,
+            ...(tool.description ? { description: truncateMiddle(tool.description, DISK_TOOL_DESC_CHARS) } : {}),
+        }));
+    }
+    if (payload.cursorRequest !== undefined) {
+        compact.cursorRequest = payload.cursorRequest;
+    }
+    if (payload.cursorMessages?.length) {
+        compact.cursorMessages = payload.cursorMessages.map(msg => ({
+            ...msg,
+            contentPreview: truncateMiddle(msg.contentPreview, DISK_CURSOR_MESSAGE_PREVIEW_CHARS),
+        }));
+    }
+
+    const compactFinalResponse = payload.finalResponse
+        ? truncateMiddle(payload.finalResponse, DISK_RESPONSE_CHARS)
+        : undefined;
+    const compactRawResponse = payload.rawResponse
+        ? truncateMiddle(payload.rawResponse, DISK_RESPONSE_CHARS)
+        : undefined;
+
+    if (compactFinalResponse) compact.finalResponse = compactFinalResponse;
+    if (compactRawResponse && compactRawResponse !== compactFinalResponse) {
+        compact.rawResponse = compactRawResponse;
+    }
+    if (payload.thinkingContent) {
+        compact.thinkingContent = truncateMiddle(payload.thinkingContent, DISK_THINKING_CHARS);
+    }
+    if (payload.toolCalls?.length) {
+        compact.toolCalls = compactUnknownValue(payload.toolCalls) as unknown[];
+    }
+    if (payload.retryResponses?.length) {
+        compact.retryResponses = payload.retryResponses.map(item => ({
+            ...item,
+            response: truncateMiddle(item.response, DISK_RETRY_CHARS),
+            reason: truncateMiddle(item.reason, 300),
+        }));
+    }
+    if (payload.continuationResponses?.length) {
+        compact.continuationResponses = payload.continuationResponses.map(item => ({
+            ...item,
+            response: truncateMiddle(item.response, DISK_RETRY_CHARS),
+        }));
+    }
+
+    return compact;
+}
+
 /** 将已完成的请求写入日志文件 */
 function persistRequest(summary: RequestSummary, payload: RequestPayload): void {
     const filepath = getLogFilePath();
     if (!filepath) return;
     try {
         ensureLogDir();
-        const record = { timestamp: Date.now(), summary, payload };
+        const persistMode = getPersistMode();
+        const persistedPayload = persistMode === 'full'
+            ? payload
+            : persistMode === 'summary'
+                ? buildSummaryPayload(summary, payload)
+                : compactPayloadForDisk(summary, payload);
+        const record = { timestamp: Date.now(), summary, payload: persistedPayload };
         appendFileSync(filepath, JSON.stringify(record) + '\n', 'utf-8');
     } catch (e) {
         console.warn('[Logger] 写入日志文件失败:', e);

src/openai-handler.ts

@@ -27,7 +27,7 @@ import type {
 import { convertToCursorRequest, parseToolCalls, hasToolCalls } from './converter.js';
 import { sendCursorRequest, sendCursorRequestFull } from './cursor-client.js';
 import { getConfig } from './config.js';
-import { createRequestLogger } from './logger.js';
+import { createRequestLogger, type RequestLogger } from './logger.js';
 import { createIncrementalTextStreamer, hasLeadingThinking, splitLeadingThinkingBlocks, stripThinkingTags } from './streaming-text.js';
 import {
     autoContinueCursorToolResponseFull,
@@ -488,11 +488,12 @@ export async function handleOpenAIChatCompletions(req: Request, res: Response):
 
         // Step 2: Anthropic → Cursor 格式（复用现有管道）
         const cursorReq = await convertToCursorRequest(anthropicReq);
+        log.recordCursorRequest(cursorReq);
 
         if (body.stream) {
-            await handleOpenAIStream(res, cursorReq, body, anthropicReq);
+            await handleOpenAIStream(res, cursorReq, body, anthropicReq, log);
         } else {
-            await handleOpenAINonStream(res, cursorReq, body, anthropicReq);
+            await handleOpenAINonStream(res, cursorReq, body, anthropicReq, log);
         }
     } catch (err: unknown) {
         const message = err instanceof Error ? err.message : String(err);
@@ -609,6 +610,7 @@ async function handleOpenAIIncrementalTextStream(
     body: OpenAIChatRequest,
     anthropicReq: AnthropicRequest,
     streamMeta: { id: string; created: number; model: string },
+    log: RequestLogger,
 ): Promise<void> {
     let activeCursorReq = cursorReq;
     let retryCount = 0;
@@ -739,6 +741,16 @@ async function handleOpenAIIncrementalTextStream(
         usage: buildOpenAIUsage(anthropicReq, streamer.hasSentText() ? (finalVisibleText || finalRawResponse) : finalTextToSend),
     });
 
+    log.recordRawResponse(finalRawResponse);
+    if (finalReasoningContent) {
+        log.recordThinking(finalReasoningContent);
+    }
+    const finalRecordedResponse = streamer.hasSentText()
+        ? sanitizeResponse(finalVisibleText || finalRawResponse)
+        : finalTextToSend;
+    log.recordFinalResponse(finalRecordedResponse);
+    log.complete(finalRecordedResponse.length, 'stop');
+
     res.write('data: [DONE]\n\n');
     res.end();
 }
@@ -750,6 +762,7 @@ async function handleOpenAIStream(
     cursorReq: CursorChatRequest,
     body: OpenAIChatRequest,
     anthropicReq: AnthropicRequest,
+    log: RequestLogger,
 ): Promise<void> {
     res.writeHead(200, {
         'Content-Type': 'text/event-stream',
@@ -790,7 +803,7 @@ async function handleOpenAIStream(
 
     try {
         if (!hasTools && (!body.response_format || body.response_format.type === 'text')) {
-            await handleOpenAIIncrementalTextStream(res, cursorReq, body, anthropicReq, { id, created, model });
+            await handleOpenAIIncrementalTextStream(res, cursorReq, body, anthropicReq, { id, created, model }, log);
             return;
         }
 
@@ -973,6 +986,8 @@ async function handleOpenAIStream(
 
             if (toolCalls.length > 0) {
                 finishReason = 'tool_calls';
+                log.recordToolCalls(toolCalls);
+                log.updateSummary({ toolCallsDetected: toolCalls.length });
 
                 // 发送工具调用前的残余文本 — 如果混合流式已发送则跳过
                 if (!hybridTextSent) {
@@ -1083,10 +1098,18 @@ async function handleOpenAIStream(
             usage: buildOpenAIUsage(anthropicReq, fullResponse),
         });
 
+        log.recordRawResponse(fullResponse);
+        if (reasoningContent) {
+            log.recordThinking(reasoningContent);
+        }
+        log.recordFinalResponse(fullResponse);
+        log.complete(fullResponse.length, finishReason);
+
         res.write('data: [DONE]\n\n');
 
     } catch (err: unknown) {
         const message = err instanceof Error ? err.message : String(err);
+        log.fail(message);
         writeOpenAISSE(res, {
             id, object: 'chat.completion.chunk', created, model,
             choices: [{
@@ -1108,6 +1131,7 @@ async function handleOpenAINonStream(
     cursorReq: CursorChatRequest,
     body: OpenAIChatRequest,
     anthropicReq: AnthropicRequest,
+    log: RequestLogger,
 ): Promise<void> {
     let activeCursorReq = cursorReq;
     let fullText = await sendCursorRequestFull(activeCursorReq);
@@ -1172,6 +1196,8 @@ async function handleOpenAINonStream(
 
         if (parsed.toolCalls.length > 0) {
             finishReason = 'tool_calls';
+            log.recordToolCalls(parsed.toolCalls);
+            log.updateSummary({ toolCallsDetected: parsed.toolCalls.length });
             // 清洗拒绝文本
             let cleanText = parsed.cleanText;
             if (isRefusal(cleanText)) {
@@ -1224,6 +1250,13 @@ async function handleOpenAINonStream(
     };
 
     res.json(response);
+
+    log.recordRawResponse(fullText);
+    if (reasoningContent) {
+        log.recordThinking(reasoningContent);
+    }
+    log.recordFinalResponse(fullText);
+    log.complete(fullText.length, finishReason);
 }
 
 // ==================== 工具函数 ====================
@@ -1300,17 +1333,39 @@ function buildResponseObject(
  * 而非 data: {"object":"chat.completion.chunk",...} 格式
  */
 export async function handleOpenAIResponses(req: Request, res: Response): Promise<void> {
-    try {
-        const body = req.body;
-        const isStream = (body.stream as boolean) ?? true;
+    const body = req.body as Record<string, unknown>;
+    const isStream = (body.stream as boolean) ?? true;
+    const chatBody = responsesToChatCompletions(body);
+    const log = createRequestLogger({
+        method: req.method,
+        path: req.path,
+        model: chatBody.model,
+        stream: isStream,
+        hasTools: (chatBody.tools?.length ?? 0) > 0,
+        toolCount: chatBody.tools?.length ?? 0,
+        messageCount: chatBody.messages?.length ?? 0,
+        apiFormat: 'responses',
+    });
+    log.startPhase('receive', '接收请求');
+    log.recordOriginalRequest(body);
+    log.info('OpenAI', 'receive', '收到 OpenAI Responses 请求', {
+        model: chatBody.model,
+        stream: isStream,
+        toolCount: chatBody.tools?.length ?? 0,
+        messageCount: chatBody.messages?.length ?? 0,
+    });
 
+    try {
         // Step 1: 转换请求格式 Responses → Chat Completions → Anthropic → Cursor
-        const chatBody = responsesToChatCompletions(body);
+        log.startPhase('convert', '格式转换 (Responses→Chat→Anthropic)');
         const anthropicReq = convertToAnthropicRequest(chatBody);
         const cursorReq = await convertToCursorRequest(anthropicReq);
+        log.endPhase();
+        log.recordCursorRequest(cursorReq);
 
         // 身份探针拦截
         if (isIdentityProbe(anthropicReq)) {
+            log.intercepted('身份探针拦截 (Responses)');
             const mockText = "I am Claude, an advanced AI programming assistant created by Anthropic. I am ready to help you write code, debug, and answer your technical questions.";
             if (isStream) {
                 return handleResponsesStreamMock(res, body, mockText);
@@ -1320,12 +1375,13 @@ export async function handleOpenAIResponses(req: Request, res: Response): Promis
         }
 
         if (isStream) {
-            await handleResponsesStream(res, cursorReq, body, anthropicReq);
+            await handleResponsesStream(res, cursorReq, body, anthropicReq, log);
         } else {
-            await handleResponsesNonStream(res, cursorReq, body, anthropicReq);
+            await handleResponsesNonStream(res, cursorReq, body, anthropicReq, log);
         }
     } catch (err: unknown) {
         const message = err instanceof Error ? err.message : String(err);
+        log.fail(message);
         console.error(`[OpenAI] /v1/responses 处理失败:`, message);
         const status = err instanceof OpenAIRequestError ? err.status : 500;
         const type = err instanceof OpenAIRequestError ? err.type : 'server_error';
@@ -1471,6 +1527,7 @@ async function handleResponsesStream(
     cursorReq: CursorChatRequest,
     body: Record<string, unknown>,
     anthropicReq: AnthropicRequest,
+    log: RequestLogger,
 ): Promise<void> {
     res.writeHead(200, {
         'Content-Type': 'text/event-stream',
@@ -1482,6 +1539,7 @@ async function handleResponsesStream(
     const respId = responsesId();
     const model = (body.model as string) || 'gpt-4';
     const hasTools = (anthropicReq.tools?.length ?? 0) > 0;
+    let toolCallsDetected = 0;
 
     // 缓冲完整响应再处理（复用 Chat Completions 的逻辑）
     let fullResponse = '';
@@ -1557,6 +1615,9 @@ async function handleResponsesStream(
             const { toolCalls, cleanText } = parseToolCalls(fullResponse);
 
             if (toolCalls.length > 0) {
+                toolCallsDetected = toolCalls.length;
+                log.recordToolCalls(toolCalls);
+                log.updateSummary({ toolCallsDetected: toolCalls.length });
                 // 1. response.created + response.in_progress
                 writeResponsesSSE(res, 'response.created', buildResponseObject(respId, model, 'in_progress', []));
                 writeResponsesSSE(res, 'response.in_progress', buildResponseObject(respId, model, 'in_progress', []));
@@ -1658,8 +1719,12 @@ async function handleResponsesStream(
             const msgItemId = responsesItemId();
             emitResponsesTextStream(res, respId, msgItemId, model, fullResponse, 0, usage);
         }
+        log.recordRawResponse(fullResponse);
+        log.recordFinalResponse(fullResponse);
+        log.complete(fullResponse.length, toolCallsDetected > 0 ? 'tool_calls' : 'stop');
     } catch (err: unknown) {
         const message = err instanceof Error ? err.message : String(err);
+        log.fail(message);
         // 尝试发送错误后的 response.completed，确保 Codex 不会等待超时
         try {
             const errorText = `[Error: ${message}]`;
@@ -1707,6 +1772,7 @@ async function handleResponsesNonStream(
     cursorReq: CursorChatRequest,
     body: Record<string, unknown>,
     anthropicReq: AnthropicRequest,
+    log: RequestLogger,
 ): Promise<void> {
     let activeCursorReq = cursorReq;
     let fullText = await sendCursorRequestFull(activeCursorReq);
@@ -1752,9 +1818,13 @@ async function handleResponsesNonStream(
     const usage = { input_tokens: inputTokens, output_tokens: outputTokens, total_tokens: inputTokens + outputTokens };
 
     const output: Record<string, unknown>[] = [];
+    let toolCallsDetected = 0;
 
     if (hasTools && hasToolCalls(fullText)) {
         const { toolCalls, cleanText } = parseToolCalls(fullText);
+        toolCallsDetected = toolCalls.length;
+        log.recordToolCalls(toolCalls);
+        log.updateSummary({ toolCallsDetected: toolCalls.length });
         for (const tc of toolCalls) {
             output.push({
                 id: responsesItemId(),
@@ -1786,6 +1856,10 @@ async function handleResponsesNonStream(
     }
 
     res.json(buildResponseObject(respId, model, 'completed', output, usage));
+
+    log.recordRawResponse(fullText);
+    log.recordFinalResponse(fullText);
+    log.complete(fullText.length, toolCallsDetected > 0 ? 'tool_calls' : 'stop');
 }
 
 /**

src/types.ts

@@ -129,6 +129,7 @@ export interface AppConfig {
         file_enabled: boolean;     // 是否启用日志文件持久化
         dir: string;               // 日志文件存储目录
         max_days: number;          // 日志保留天数
+        persist_mode: 'compact' | 'full' | 'summary'; // 落盘模式: compact=精简, full=完整, summary=仅问答摘要
     };
     tools?: {
         schemaMode: 'compact' | 'full' | 'names_only';  // Schema 呈现模式

test/unit-log-persist-compact.mjs

@@ -0,0 +1,136 @@
+/**
+ * test/unit-log-persist-compact.mjs
+ *
+ * 回归测试：compact 落盘模式应保留摘要信息，同时显著压缩 JSONL payload。
+ * 运行方式：npm run build && node test/unit-log-persist-compact.mjs
+ */
+
+import fs from 'fs';
+import path from 'path';
+
+const LOG_DIR = '/tmp/cursor2api-log-compact';
+process.env.LOG_FILE_ENABLED = '1';
+process.env.LOG_DIR = LOG_DIR;
+process.env.LOG_PERSIST_MODE = 'compact';
+
+const { createRequestLogger, clearAllLogs, getRequestPayload } = await import('../dist/logger.js');
+
+let passed = 0;
+let failed = 0;
+
+function assert(condition, msg) {
+    if (!condition) throw new Error(msg || 'Assertion failed');
+}
+
+function assertEqual(a, b, msg) {
+    const as = JSON.stringify(a);
+    const bs = JSON.stringify(b);
+    if (as !== bs) throw new Error(msg || `Expected ${bs}, got ${as}`);
+}
+
+function resetLogs() {
+    clearAllLogs();
+    fs.rmSync(LOG_DIR, { recursive: true, force: true });
+}
+
+function latestPersistedRecord() {
+    const files = fs.readdirSync(LOG_DIR).filter(name => name.endsWith('.jsonl')).sort();
+    assert(files.length > 0, '应生成 JSONL 文件');
+    const lastFile = path.join(LOG_DIR, files[files.length - 1]);
+    const lines = fs.readFileSync(lastFile, 'utf8').split('\n').filter(Boolean);
+    assert(lines.length > 0, 'JSONL 文件不应为空');
+    return JSON.parse(lines[lines.length - 1]);
+}
+
+async function runTest(name, fn) {
+    try {
+        resetLogs();
+        await fn();
+        console.log(`  ✅  ${name}`);
+        passed++;
+    } catch (e) {
+        console.error(`  ❌  ${name}`);
+        console.error(`      ${e.message}`);
+        failed++;
+    }
+}
+
+console.log('\n📦 [1] compact 落盘模式回归\n');
+
+await runTest('磁盘 payload 应截断长文本并去掉重复 rawResponse', async () => {
+    const hugePrompt = 'PROMPT-'.repeat(1200);
+    const hugeResponse = 'RESPONSE-'.repeat(1600);
+    const hugeCursor = 'CURSOR-'.repeat(900);
+    const hugeToolDesc = 'DESC-'.repeat(500);
+
+    const logger = createRequestLogger({
+        method: 'POST',
+        path: '/v1/chat/completions',
+        model: 'gpt-4.1',
+        stream: true,
+        hasTools: true,
+        toolCount: 1,
+        messageCount: 1,
+        apiFormat: 'openai',
+    });
+
+    logger.recordOriginalRequest({
+        model: 'gpt-4.1',
+        stream: true,
+        temperature: 0.2,
+        messages: [{ role: 'user', content: hugePrompt }],
+        tools: [{
+            type: 'function',
+            function: {
+                name: 'write_file',
+                description: hugeToolDesc,
+            },
+        }],
+    });
+    logger.recordCursorRequest({
+        model: 'anthropic/claude-sonnet-4.6',
+        messages: [{
+            role: 'user',
+            parts: [{ type: 'text', text: hugeCursor }],
+        }],
+    });
+    logger.recordToolCalls([{
+        name: 'write_file',
+        arguments: {
+            path: '/tmp/demo.txt',
+            content: 'X'.repeat(5000),
+        },
+    }]);
+    logger.recordRawResponse(hugeResponse);
+    logger.recordFinalResponse(hugeResponse);
+    logger.complete(hugeResponse.length, 'stop');
+
+    const persisted = latestPersistedRecord();
+    const diskPayload = persisted.payload;
+    const memoryPayload = getRequestPayload(persisted.summary.requestId);
+
+    assert(memoryPayload, '内存 payload 应存在');
+    assert(memoryPayload.rawResponse.length > diskPayload.finalResponse.length, '内存 payload 应保留完整文本');
+    assertEqual(persisted.summary.status, 'success');
+
+    assert(diskPayload.finalResponse.length < hugeResponse.length, '落盘 finalResponse 应被截断');
+    assert(diskPayload.finalResponse.includes('...[截断 '), '落盘 finalResponse 应标记截断');
+    assertEqual(diskPayload.rawResponse, undefined, 'rawResponse 与 finalResponse 相同，应省略落盘 rawResponse');
+
+    assert(diskPayload.messages[0].contentPreview.length < hugePrompt.length, '落盘消息预览应被截断');
+    assert(diskPayload.messages[0].contentPreview.includes('...[截断 '), '落盘消息预览应标记截断');
+
+    assert(diskPayload.cursorMessages[0].contentPreview.length < hugeCursor.length, '落盘 Cursor 消息应被截断');
+    assert(diskPayload.tools[0].description.length < hugeToolDesc.length, '落盘工具描述应被截断');
+    assert(diskPayload.originalRequest.messageCount === 1, '落盘 originalRequest 应转为精简 meta');
+    assertEqual(Array.isArray(diskPayload.originalRequest.messages), false, '落盘 originalRequest 不应保留完整 messages 数组');
+
+    const compactToolCalls = JSON.stringify(diskPayload.toolCalls);
+    assert(compactToolCalls.length < JSON.stringify(memoryPayload.toolCalls).length, '落盘 toolCalls 应被递归压缩');
+  });
+
+console.log('\n' + '═'.repeat(55));
+console.log(`  结果: ${passed} 通过 / ${failed} 失败 / ${passed + failed} 总计`);
+console.log('═'.repeat(55) + '\n');
+
+if (failed > 0) process.exit(1);

test/unit-log-persist-default-summary.mjs

@@ -0,0 +1,131 @@
+/**
+ * test/unit-log-persist-default-summary.mjs
+ *
+ * 回归测试：未显式设置 LOG_PERSIST_MODE / logging.persist_mode 时，
+ * 默认落盘模式应为 summary。
+ * 运行方式：npm run build && node test/unit-log-persist-default-summary.mjs
+ */
+
+import fs from 'fs';
+import path from 'path';
+
+const LOG_DIR = '/tmp/cursor2api-log-default-summary';
+process.env.LOG_FILE_ENABLED = '1';
+process.env.LOG_DIR = LOG_DIR;
+delete process.env.LOG_PERSIST_MODE;
+
+const { handleOpenAIChatCompletions } = await import('../dist/openai-handler.js');
+const { clearAllLogs } = await import('../dist/logger.js');
+
+let passed = 0;
+let failed = 0;
+
+function assert(condition, msg) {
+    if (!condition) throw new Error(msg || 'Assertion failed');
+}
+
+function createCursorSseResponse(deltas) {
+    const encoder = new TextEncoder();
+    const stream = new ReadableStream({
+        start(controller) {
+            for (const delta of deltas) {
+                controller.enqueue(encoder.encode(`data: ${JSON.stringify({ type: 'text-delta', delta })}\n\n`));
+            }
+            controller.close();
+        },
+    });
+    return new Response(stream, {
+        status: 200,
+        headers: { 'Content-Type': 'text/event-stream' },
+    });
+}
+
+class MockResponse {
+    constructor() {
+        this.statusCode = 200;
+        this.headers = {};
+        this.body = '';
+        this.ended = false;
+    }
+    writeHead(statusCode, headers) {
+        this.statusCode = statusCode;
+        this.headers = { ...this.headers, ...headers };
+    }
+    write(chunk) {
+        this.body += String(chunk);
+        return true;
+    }
+    end(chunk = '') {
+        this.body += String(chunk);
+        this.ended = true;
+    }
+    json(obj) {
+        this.writeHead(this.statusCode, { 'Content-Type': 'application/json' });
+        this.end(JSON.stringify(obj));
+    }
+    status(code) {
+        this.statusCode = code;
+        return this;
+    }
+}
+
+function resetLogs() {
+    clearAllLogs();
+    fs.rmSync(LOG_DIR, { recursive: true, force: true });
+}
+
+function latestPersistedRecord() {
+    const files = fs.readdirSync(LOG_DIR).filter(name => name.endsWith('.jsonl')).sort();
+    assert(files.length > 0, '应生成 JSONL 文件');
+    const file = path.join(LOG_DIR, files[files.length - 1]);
+    const lines = fs.readFileSync(file, 'utf8').split('\n').filter(Boolean);
+    assert(lines.length > 0, 'JSONL 不应为空');
+    return JSON.parse(lines[lines.length - 1]);
+}
+
+async function runTest(name, fn) {
+    try {
+        resetLogs();
+        await fn();
+        console.log(`  ✅  ${name}`);
+        passed++;
+    } catch (e) {
+        console.error(`  ❌  ${name}`);
+        console.error(`      ${e.message}`);
+        failed++;
+    }
+}
+
+console.log('\n📦 [1] 默认落盘模式为 summary 回归\n');
+
+await runTest('未显式配置 persist_mode 时默认只保留问答摘要', async () => {
+    const originalFetch = global.fetch;
+    global.fetch = async () => createCursorSseResponse(['Hello', ' world']);
+    try {
+        const req = {
+            method: 'POST',
+            path: '/v1/chat/completions',
+            body: {
+                model: 'gpt-4.1',
+                stream: true,
+                messages: [{ role: 'user', content: 'Please greet me briefly.' }],
+            },
+        };
+        const res = new MockResponse();
+        await handleOpenAIChatCompletions(req, res);
+
+        const persisted = latestPersistedRecord();
+        assert(persisted.payload.question.includes('Please greet me briefly.'), '默认模式应保留 question');
+        assert(persisted.payload.answer.includes('Hello world'), '默认模式应保留 answer');
+        assert(persisted.payload.finalResponse === undefined, '默认模式不应保留 finalResponse');
+        assert(persisted.payload.messages === undefined, '默认模式不应保留 messages');
+    } finally {
+        global.fetch = originalFetch;
+    }
+});
+
+console.log('\n' + '═'.repeat(55));
+console.log(`  结果: ${passed} 通过 / ${failed} 失败 / ${passed + failed} 总计`);
+console.log('═'.repeat(55) + '\n');
+
+if (failed > 0) process.exit(1);

test/unit-openai-log-persistence.mjs

@@ -0,0 +1,259 @@
+/**
+ * test/unit-openai-log-persistence.mjs
+ *
+ * 回归测试：OpenAI Chat / Responses 成功请求应更新 summary 并落盘 JSONL。
+ * 运行方式：npm run build && node test/unit-openai-log-persistence.mjs
+ */
+
+import fs from 'fs';
+import path from 'path';
+
+const LOG_DIR = '/tmp/cursor2api-openai-log-persistence';
+process.env.LOG_FILE_ENABLED = '1';
+process.env.LOG_DIR = LOG_DIR;
+
+const { handleOpenAIChatCompletions, handleOpenAIResponses } = await import('../dist/openai-handler.js');
+const { clearAllLogs, getRequestSummaries } = await import('../dist/logger.js');
+
+let passed = 0;
+let failed = 0;
+
+function assert(condition, msg) {
+    if (!condition) throw new Error(msg || 'Assertion failed');
+}
+
+function assertEqual(a, b, msg) {
+    const as = JSON.stringify(a);
+    const bs = JSON.stringify(b);
+    if (as !== bs) throw new Error(msg || `Expected ${bs}, got ${as}`);
+}
+
+function createCursorSseResponse(deltas) {
+    const encoder = new TextEncoder();
+    const stream = new ReadableStream({
+        start(controller) {
+            for (const delta of deltas) {
+                controller.enqueue(encoder.encode(`data: ${JSON.stringify({ type: 'text-delta', delta })}\n\n`));
+            }
+            controller.close();
+        },
+    });
+
+    return new Response(stream, {
+        status: 200,
+        headers: { 'Content-Type': 'text/event-stream' },
+    });
+}
+
+class MockResponse {
+    constructor() {
+        this.statusCode = 200;
+        this.headers = {};
+        this.body = '';
+        this.ended = false;
+    }
+
+    writeHead(statusCode, headers) {
+        this.statusCode = statusCode;
+        this.headers = { ...this.headers, ...headers };
+    }
+
+    write(chunk) {
+        this.body += String(chunk);
+        return true;
+    }
+
+    end(chunk = '') {
+        this.body += String(chunk);
+        this.ended = true;
+    }
+
+    json(obj) {
+        this.writeHead(this.statusCode, { 'Content-Type': 'application/json' });
+        this.end(JSON.stringify(obj));
+    }
+
+    status(code) {
+        this.statusCode = code;
+        return this;
+    }
+}
+
+function resetLogs() {
+    clearAllLogs();
+    fs.rmSync(LOG_DIR, { recursive: true, force: true });
+}
+
+function readPersistedRecords() {
+    if (!fs.existsSync(LOG_DIR)) return [];
+    const files = fs.readdirSync(LOG_DIR)
+        .filter(name => name.endsWith('.jsonl'))
+        .sort();
+    const rows = [];
+    for (const file of files) {
+        const lines = fs.readFileSync(path.join(LOG_DIR, file), 'utf8')
+            .split('\n')
+            .filter(Boolean);
+        for (const line of lines) {
+            rows.push(JSON.parse(line));
+        }
+    }
+    return rows;
+}
+
+function latestSummary() {
+    return getRequestSummaries(10)[0];
+}
+
+async function withMockCursor(deltas, fn) {
+    const originalFetch = global.fetch;
+    global.fetch = async () => createCursorSseResponse(deltas);
+    try {
+        await fn();
+    } finally {
+        global.fetch = originalFetch;
+    }
+}
+
+async function runTest(name, fn) {
+    try {
+        resetLogs();
+        await fn();
+        console.log(`  ✅  ${name}`);
+        passed++;
+    } catch (e) {
+        console.error(`  ❌  ${name}`);
+        console.error(`      ${e.message}`);
+        failed++;
+    }
+}
+
+console.log('\n📦 [1] OpenAI 成功请求日志持久化回归\n');
+
+await runTest('Chat Completions stream=true 会完成 summary 并落盘', async () => {
+    await withMockCursor(['Hello', ' world'], async () => {
+        const req = {
+            method: 'POST',
+            path: '/v1/chat/completions',
+            body: {
+                model: 'gpt-4.1',
+                stream: true,
+                messages: [{ role: 'user', content: 'Say hello' }],
+            },
+        };
+        const res = new MockResponse();
+        await handleOpenAIChatCompletions(req, res);
+
+        assert(res.ended, '响应应结束');
+        const summary = latestSummary();
+        assert(summary, '应生成 summary');
+        assertEqual(summary.path, '/v1/chat/completions');
+        assertEqual(summary.stream, true);
+        assertEqual(summary.status, 'success');
+        assert(summary.responseChars > 0, 'responseChars 应大于 0');
+
+        const records = readPersistedRecords();
+        const persisted = records.find(r => r.summary?.requestId === summary.requestId);
+        assert(persisted, '应写入 JSONL');
+        assertEqual(persisted.summary.status, 'success');
+        assertEqual(persisted.summary.stream, true);
+    });
+});
+
+await runTest('Chat Completions stream=false 会完成 summary 并落盘', async () => {
+    await withMockCursor(['Hello', ' world'], async () => {
+        const req = {
+            method: 'POST',
+            path: '/v1/chat/completions',
+            body: {
+                model: 'gpt-4.1',
+                stream: false,
+                messages: [{ role: 'user', content: 'Say hello' }],
+            },
+        };
+        const res = new MockResponse();
+        await handleOpenAIChatCompletions(req, res);
+
+        assert(res.ended, '响应应结束');
+        const summary = latestSummary();
+        assert(summary, '应生成 summary');
+        assertEqual(summary.path, '/v1/chat/completions');
+        assertEqual(summary.stream, false);
+        assertEqual(summary.status, 'success');
+        assert(summary.responseChars > 0, 'responseChars 应大于 0');
+
+        const records = readPersistedRecords();
+        const persisted = records.find(r => r.summary?.requestId === summary.requestId);
+        assert(persisted, '应写入 JSONL');
+        assertEqual(persisted.summary.status, 'success');
+        assertEqual(persisted.summary.stream, false);
+    });
+});
+
+await runTest('Responses stream=true 会完成 summary 并落盘', async () => {
+    await withMockCursor(['Hello', ' world'], async () => {
+        const req = {
+            method: 'POST',
+            path: '/v1/responses',
+            body: {
+                model: 'gpt-4.1',
+                stream: true,
+                input: 'Say hello',
+            },
+        };
+        const res = new MockResponse();
+        await handleOpenAIResponses(req, res);
+
+        assert(res.ended, '响应应结束');
+        const summary = latestSummary();
+        assert(summary, '应生成 summary');
+        assertEqual(summary.path, '/v1/responses');
+        assertEqual(summary.stream, true);
+        assertEqual(summary.apiFormat, 'responses');
+        assertEqual(summary.status, 'success');
+        assert(summary.responseChars > 0, 'responseChars 应大于 0');
+
+        const records = readPersistedRecords();
+        const persisted = records.find(r => r.summary?.requestId === summary.requestId);
+        assert(persisted, '应写入 JSONL');
+        assertEqual(persisted.summary.status, 'success');
+        assertEqual(persisted.summary.stream, true);
+    });
+});
+
+await runTest('Responses stream=false 会完成 summary 并落盘', async () => {
+    await withMockCursor(['Hello', ' world'], async () => {
+        const req = {
+            method: 'POST',
+            path: '/v1/responses',
+            body: {
+                model: 'gpt-4.1',
+                stream: false,
+                input: 'Say hello',
+            },
+        };
+        const res = new MockResponse();
+        await handleOpenAIResponses(req, res);
+
+        assert(res.ended, '响应应结束');
+        const summary = latestSummary();
+        assert(summary, '应生成 summary');
+        assertEqual(summary.path, '/v1/responses');
+        assertEqual(summary.stream, false);
+        assertEqual(summary.apiFormat, 'responses');
+        assertEqual(summary.status, 'success');
+        assert(summary.responseChars > 0, 'responseChars 应大于 0');
+
+        const records = readPersistedRecords();
+        const persisted = records.find(r => r.summary?.requestId === summary.requestId);
+        assert(persisted, '应写入 JSONL');
+        assertEqual(persisted.summary.status, 'success');
+        assertEqual(persisted.summary.stream, false);
+    });
+});
+
+console.log('\n' + '═'.repeat(55));
+console.log(`  结果: ${passed} 通过 / ${failed} 失败 / ${passed + failed} 总计`);
+console.log('═'.repeat(55) + '\n');
+
+if (failed > 0) process.exit(1);

test/unit-openai-log-summary.mjs

@@ -0,0 +1,177 @@
+/**
+ * test/unit-openai-log-summary.mjs
+ *
+ * 回归测试：summary 落盘模式仅保留问答摘要与少量元数据。
+ * 运行方式：npm run build && node test/unit-openai-log-summary.mjs
+ */
+
+import fs from 'fs';
+import path from 'path';
+
+const LOG_DIR = '/tmp/cursor2api-openai-log-summary';
+process.env.LOG_FILE_ENABLED = '1';
+process.env.LOG_DIR = LOG_DIR;
+process.env.LOG_PERSIST_MODE = 'summary';
+
+const { handleOpenAIChatCompletions, handleOpenAIResponses } = await import('../dist/openai-handler.js');
+const { clearAllLogs, getRequestSummaries } = await import('../dist/logger.js');
+
+let passed = 0;
+let failed = 0;
+
+function assert(condition, msg) {
+    if (!condition) throw new Error(msg || 'Assertion failed');
+}
+
+function assertEqual(a, b, msg) {
+    const as = JSON.stringify(a);
+    const bs = JSON.stringify(b);
+    if (as !== bs) throw new Error(msg || `Expected ${bs}, got ${as}`);
+}
+
+function createCursorSseResponse(deltas) {
+    const encoder = new TextEncoder();
+    const stream = new ReadableStream({
+        start(controller) {
+            for (const delta of deltas) {
+                controller.enqueue(encoder.encode(`data: ${JSON.stringify({ type: 'text-delta', delta })}\n\n`));
+            }
+            controller.close();
+        },
+    });
+    return new Response(stream, {
+        status: 200,
+        headers: { 'Content-Type': 'text/event-stream' },
+    });
+}
+
+class MockResponse {
+    constructor() {
+        this.statusCode = 200;
+        this.headers = {};
+        this.body = '';
+        this.ended = false;
+    }
+    writeHead(statusCode, headers) {
+        this.statusCode = statusCode;
+        this.headers = { ...this.headers, ...headers };
+    }
+    write(chunk) {
+        this.body += String(chunk);
+        return true;
+    }
+    end(chunk = '') {
+        this.body += String(chunk);
+        this.ended = true;
+    }
+    json(obj) {
+        this.writeHead(this.statusCode, { 'Content-Type': 'application/json' });
+        this.end(JSON.stringify(obj));
+    }
+    status(code) {
+        this.statusCode = code;
+        return this;
+    }
+}
+
+function resetLogs() {
+    clearAllLogs();
+    fs.rmSync(LOG_DIR, { recursive: true, force: true });
+}
+
+function latestPersistedRecord() {
+    const files = fs.readdirSync(LOG_DIR).filter(name => name.endsWith('.jsonl')).sort();
+    assert(files.length > 0, '应生成 JSONL 文件');
+    const file = path.join(LOG_DIR, files[files.length - 1]);
+    const lines = fs.readFileSync(file, 'utf8').split('\n').filter(Boolean);
+    assert(lines.length > 0, 'JSONL 不应为空');
+    return JSON.parse(lines[lines.length - 1]);
+}
+
+function latestSummary() {
+    return getRequestSummaries(10)[0];
+}
+
+async function withMockCursor(deltas, fn) {
+    const originalFetch = global.fetch;
+    global.fetch = async () => createCursorSseResponse(deltas);
+    try {
+        await fn();
+    } finally {
+        global.fetch = originalFetch;
+    }
+}
+
+async function runTest(name, fn) {
+    try {
+        resetLogs();
+        await fn();
+        console.log(`  ✅  ${name}`);
+        passed++;
+    } catch (e) {
+        console.error(`  ❌  ${name}`);
+        console.error(`      ${e.message}`);
+        failed++;
+    }
+}
+
+console.log('\n📦 [1] summary 落盘模式回归\n');
+
+await runTest('Chat Completions summary 模式只保留 question / answer', async () => {
+    await withMockCursor(['Hello', ' world'], async () => {
+        const req = {
+            method: 'POST',
+            path: '/v1/chat/completions',
+            body: {
+                model: 'gpt-4.1',
+                stream: true,
+                messages: [{ role: 'user', content: 'Please say hello in English.' }],
+            },
+        };
+        const res = new MockResponse();
+        await handleOpenAIChatCompletions(req, res);
+
+        const summary = latestSummary();
+        assert(summary, '应生成 summary');
+        assertEqual(summary.status, 'success');
+
+        const persisted = latestPersistedRecord();
+        assertEqual(persisted.summary.path, '/v1/chat/completions');
+        assert(persisted.payload.question.includes('Please say hello'), '应保留用户问题摘要');
+        assert(persisted.payload.answer.includes('Hello world'), '应保留模型回答摘要');
+        assertEqual(persisted.payload.answerType, 'text');
+        assertEqual(persisted.payload.messages, undefined, 'summary 模式不应保留 messages');
+        assertEqual(persisted.payload.finalResponse, undefined, 'summary 模式不应保留 finalResponse');
+        assertEqual(persisted.payload.rawResponse, undefined, 'summary 模式不应保留 rawResponse');
+    });
+});
+
+await runTest('Responses summary 模式也能提取 question / answer', async () => {
+    await withMockCursor(['Hello', ' world'], async () => {
+        const req = {
+            method: 'POST',
+            path: '/v1/responses',
+            body: {
+                model: 'gpt-4.1',
+                stream: false,
+                input: 'Please answer with a short hello.',
+            },
+        };
+        const res = new MockResponse();
+        await handleOpenAIResponses(req, res);
+
+        const persisted = latestPersistedRecord();
+        assertEqual(persisted.summary.path, '/v1/responses');
+        assert(persisted.payload.question.includes('short hello'), 'Responses summary 模式应保留问题摘要');
+        assert(persisted.payload.answer.includes('Hello world'), 'Responses summary 模式应保留回答摘要');
+        assertEqual(persisted.payload.answerType, 'text');
+        assertEqual(persisted.payload.originalRequest, undefined, 'summary 模式不应保留 originalRequest');
+        assertEqual(persisted.payload.cursorMessages, undefined, 'summary 模式不应保留 cursorMessages');
+    });
+});
+
+console.log('\n' + '═'.repeat(55));
+console.log(`  结果: ${passed} 通过 / ${failed} 失败 / ${passed + failed} 总计`);
+console.log('═'.repeat(55) + '\n');
+
+if (failed > 0) process.exit(1);