| 148 | |
| 149 | // ─── 单轮请求发送器（用于第一轮分析） ────────────────────────────────── |
| 150 | async function sendSingleTurn(userMessage, { tools = TOOLS, systemPrompt = '', toolChoice } = {}) { |
| 151 | const body = { |
| 152 | model: MODEL, |
| 153 | max_tokens: 4096, |
| 154 | system: systemPrompt || 'You are an AI coding assistant. Working directory: /project.', |
| 155 | tools, |
| 156 | ...(toolChoice ? { tool_choice: toolChoice } : {}), |
| 157 | messages: [{ role: 'user', content: userMessage }], |
| 158 | }; |
| 159 | |
| 160 | const t0 = Date.now(); |
| 161 | const resp = await fetch(`${BASE_URL}/v1/messages`, { |
| 162 | method: 'POST', |
| 163 | headers: { 'Content-Type': 'application/json', 'x-api-key': 'dummy' }, |
| 164 | body: JSON.stringify(body), |
| 165 | }); |
| 166 | |
| 167 | if (!resp.ok) { |
| 168 | const text = await resp.text(); |
| 169 | throw new Error(`HTTP ${resp.status}: ${text.substring(0, 200)}`); |
| 170 | } |
| 171 | |
| 172 | const data = await resp.json(); |
| 173 | const latencyMs = Date.now() - t0; |
| 174 | |
| 175 | return { data, latencyMs }; |
| 176 | } |
| 177 | |
| 178 | // ─── 多轮 Agentic 循环（用于完整任务分析） ───────────────────────────── |
| 179 | async function runMultiTurn(userMessage, { tools = TOOLS, systemPrompt = '', toolChoice, maxTurns = MAX_TURNS } = {}) { |