';
+ h+='
';
h+='
原始工具数'+origToolCount+'
';
h+='
Cursor 工具数0 (嵌入消息)
';
- h+='
工具指令占用'+(toolInstructionChars>0?fmtN(toolInstructionChars)+' chars':origToolCount>0?'嵌入第1条消息':'N/A')+'
';
+ h+='
总上下文'+(cursorTotalChars>0?fmtN(cursorTotalChars)+' chars':'—')+'
';
+ h+='
↑ Cursor 输入 tokens'+(s.inputTokens?fmtN(s.inputTokens):'—')+'
';
h+='
原始消息数'+origMsgCount+'
';
h+='
Cursor 消息数'+cursorMsgCount+'
';
- h+='
总上下文大小'+(cursorTotalChars>0?fmtN(cursorTotalChars)+' chars':'—')+'
';
+ h+='
工具指令占用'+(toolInstructionChars>0?fmtN(toolInstructionChars)+' chars':origToolCount>0?'嵌入第1条消息':'N/A')+'
';
+ h+='
↓ Cursor 输出 tokens'+(s.outputTokens?fmtN(s.outputTokens):'—')+'
';
h+='
';
if(origToolCount>0){
h+='
⚠️ Cursor API 不支持原生 tools 参数。'+origToolCount+' 个工具定义已转换为文本指令，嵌入在 user #1 消息中'+(toolInstructionChars>0?'（约 '+fmtN(toolInstructionChars)+' chars）':'')+'
';
diff --git a/src/handler.ts b/src/handler.ts
index 58a21a1..da4562d 100644
--- a/src/handler.ts
+++ b/src/handler.ts
@@ -20,6 +20,7 @@ import { convertToCursorRequest, parseToolCalls, hasToolCalls } from './converte
import { sendCursorRequest, sendCursorRequestFull } from './cursor-client.js';
import { getConfig } from './config.js';
import { createRequestLogger, type RequestLogger } from './logger.js';
+import { estimateTokens } from './tokenizer.js';
import { createIncrementalTextStreamer, hasLeadingThinking, splitLeadingThinkingBlocks, stripThinkingTags } from './streaming-text.js';
function msgId(): string {
@@ -97,26 +98,27 @@ export function listModels(_req: Request, res: Response): void {
// ==================== Token 计数 ====================
export function estimateInputTokens(body: AnthropicRequest): number {
- let totalChars = 0;
+ let total = 0;
if (body.system) {
- totalChars += typeof body.system === 'string' ? body.system.length : JSON.stringify(body.system).length;
+ const sysStr = typeof body.system === 'string' ? body.system : JSON.stringify(body.system);
+ total += estimateTokens(sysStr);
}
-
+
for (const msg of body.messages ?? []) {
- totalChars += typeof msg.content === 'string' ? msg.content.length : JSON.stringify(msg.content).length;
+ const msgStr = typeof msg.content === 'string' ? msg.content : JSON.stringify(msg.content);
+ total += estimateTokens(msgStr);
}
// Tool schemas are heavily compressed by compactSchema in converter.ts.
- // However, they still consume Cursor's context budget.
+ // However, they still consume Cursor's context budget.
// If not counted, Claude CLI will dangerously underestimate context size.
if (body.tools && body.tools.length > 0) {
- totalChars += body.tools.length * 200; // ~200 chars per compressed tool signature
- totalChars += 1000; // Tool use guidelines and behavior instructions
+ total += body.tools.length * 70; // ~200 chars/tool → ~70 tokens after compression
+ total += 350; // Tool use guidelines and behavior instructions
}
-
- // Safer estimation for mixed Chinese/English and Code: 1 token ≈ 3 chars + 10% safety margin.
- return Math.max(1, Math.ceil((totalChars / 3) * 1.1));
+
+ return Math.max(1, total);
}
export function countTokens(req: Request, res: Response): void {
@@ -803,6 +805,7 @@ async function handleDirectTextStream(
let finalRawResponse = '';
let finalVisibleText = '';
let finalThinkingContent = '';
+ let cursorUsage: { inputTokens?: number; outputTokens?: number; totalTokens?: number } | undefined;
let streamer = createIncrementalTextStreamer({
warmupChars: 300, // ★ 与工具模式对齐：前 300 chars 不释放，确保拒绝检测完成后再流
transform: sanitizeResponse,
@@ -843,6 +846,10 @@ async function handleDirectTextStream(
log.startPhase('send', '发送到 Cursor');
await sendCursorRequest(activeCursorReq, (event: CursorSSEEvent) => {
+ if (event.type === 'finish') {
+ if (event.messageMetadata?.usage) cursorUsage = event.messageMetadata.usage;
+ return;
+ }
if (event.type !== 'text-delta' || !event.delta) return;
if (firstChunk) {
@@ -998,6 +1005,10 @@ async function handleDirectTextStream(
? sanitizeResponse(finalVisibleText)
: finalTextToSend;
log.recordFinalResponse(finalRecordedResponse);
+ log.updateSummary({
+ inputTokens: cursorUsage?.inputTokens ?? estimateInputTokens(body),
+ outputTokens: cursorUsage?.outputTokens ?? estimateTokens(finalRecordedResponse),
+ });
log.complete(finalRecordedResponse.length, 'end_turn');
res.end();
@@ -1040,6 +1051,7 @@ async function handleStream(res: Response, cursorReq: CursorChatRequest, body: A
let blockIndex = 0;
let textBlockStarted = false;
let thinkingBlockEmitted = false;
+ let cursorUsage: { inputTokens?: number; outputTokens?: number; totalTokens?: number } | undefined;
// 无工具模式：先缓冲全部响应再检测拒绝，如果是拒绝则重试
let activeCursorReq = cursorReq;
@@ -1057,6 +1069,10 @@ async function handleStream(res: Response, cursorReq: CursorChatRequest, body: A
try {
await sendCursorRequest(activeCursorReq, (event: CursorSSEEvent) => {
+ if (event.type === 'finish') {
+ if (event.messageMetadata?.usage) cursorUsage = event.messageMetadata.usage;
+ return;
+ }
if (event.type !== 'text-delta' || !event.delta) return;
if (firstChunk) { log.recordTTFT(); log.endPhase(); log.startPhase('response', '接收响应'); firstChunk = false; }
fullResponse += event.delta;
@@ -1642,6 +1658,10 @@ Please go ahead and pick the most appropriate tool for the current task and outp
// ★ 记录完成
log.recordFinalResponse(fullResponse);
+ log.updateSummary({
+ inputTokens: cursorUsage?.inputTokens ?? estimateInputTokens(body),
+ outputTokens: cursorUsage?.outputTokens ?? estimateTokens(fullResponse),
+ });
log.complete(fullResponse.length, stopReason);
} catch (err: unknown) {
@@ -1963,6 +1983,7 @@ Please go ahead and pick the most appropriate tool for the current task and outp
// ★ 记录完成
log.recordFinalResponse(fullText);
+ log.updateSummary({ inputTokens: estimateInputTokens(body), outputTokens: estimateTokens(fullText) });
log.complete(fullText.length, stopReason);
} catch (err: unknown) {
diff --git a/src/logger.ts b/src/logger.ts
index 18f1aad..a794c69 100644
--- a/src/logger.ts
+++ b/src/logger.ts
@@ -114,6 +114,8 @@ export interface RequestSummary {
phaseTimings: PhaseTiming[];
thinkingChars: number;
systemPromptLength: number;
+ inputTokens?: number; // 请求发出时的估算输入 token 数（js-tiktoken）
+ outputTokens?: number; // 响应完成后的估算输出 token 数（js-tiktoken）
/** 用户提问标题（截取最后一个 user 消息的前 80 字符） */
title?: string;
}
diff --git a/vue-ui/src/components/DetailPanel.vue b/vue-ui/src/components/DetailPanel.vue
index 9245185..fed01c9 100644
--- a/vue-ui/src/components/DetailPanel.vue
+++ b/vue-ui/src/components/DetailPanel.vue
@@ -21,6 +21,8 @@
格式{{ curReq.apiFormat.toUpperCase() }}
消息数{{ curReq.messageCount }}
响应{{ fmtN(curReq.responseChars) }}chars
+
↑ Cursor tokens{{ fmtN(curReq.inputTokens) }}
+
↓ Cursor tokens{{ fmtN(curReq.outputTokens) }}
工具调用{{ curReq.toolCallsDetected }}次
Thinking{{ fmtN(curReq.thinkingChars) }}chars
diff --git a/vue-ui/src/components/PayloadView.vue b/vue-ui/src/components/PayloadView.vue
index 36a344e..cc53433 100644
--- a/vue-ui/src/components/PayloadView.vue
+++ b/vue-ui/src/components/PayloadView.vue
@@ -47,10 +47,12 @@
原始工具数{{ convSummary.origToolCount }}
Cursor工具数0 (嵌入消息)
-
工具指令占用{{ convSummary.toolInstrChars > 0 ? fmtN(convSummary.toolInstrChars) + ' chars' : convSummary.origToolCount > 0 ? '嵌入#1' : 'N/A' }}
+
总上下文{{ convSummary.totalChars ? fmtN(convSummary.totalChars) + ' chars' : '—' }}
+
↑ Cursor 输入 tokens{{ curReq?.inputTokens ? fmtN(curReq.inputTokens) : '—' }}
原始消息数{{ convSummary.origMsgCount }}
Cursor消息数{{ convSummary.cursorMsgCount }}
-
总上下文{{ convSummary.totalChars ? fmtN(convSummary.totalChars) + ' chars' : '—' }}
+
工具指令占用{{ convSummary.toolInstrChars > 0 ? fmtN(convSummary.toolInstrChars) + ' chars' : convSummary.origToolCount > 0 ? '嵌入#1' : 'N/A' }}
+
↓ Cursor 输出 tokens{{ curReq?.outputTokens ? fmtN(curReq.outputTokens) : '—' }}
⚠️ Cursor API 不支持原生 tools。{{ convSummary.origToolCount }} 个工具已转为文本指令嵌入 user#1{{ convSummary.toolInstrChars > 0 ? '（约 ' + fmtN(convSummary.toolInstrChars) + ' chars）' : '' }}
@@ -638,7 +640,7 @@ mark.hl {
/* 转换摘要 */
.conv-grid {
- display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-bottom: 8px;
+ display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 8px;
}
.cg-item {
display: flex; flex-direction: column; gap: 2px;
diff --git a/vue-ui/src/components/RequestList.vue b/vue-ui/src/components/RequestList.vue
index e56bb7c..a521abf 100644
--- a/vue-ui/src/components/RequestList.vue
+++ b/vue-ui/src/components/RequestList.vue
@@ -60,6 +60,7 @@
{{ req.requestId.slice(0, 8) }}
{{ req.apiFormat }}
{{ fmtN(req.responseChars) }} chars
+ ↑{{ fmtN(req.inputTokens) }}↓{{ fmtN(req.outputTokens ?? 0) }} tok
Stream