feat(history): complete messaging core before multi-account gateways

2026-07-28 22:36:58 +08:00
parent cd06d049fe
commit 7f09132fad
54 changed files with 4781 additions and 601 deletions
@@ -10,32 +10,48 @@ function parseJson(text) {
 export async function deepseek(system, user, json = false) {
  const apiKey = process.env.DEEPSEEK_API_KEY
  if (!apiKey) throw Object.assign(new Error('DEEPSEEK_API_KEY 尚未配置'), { status: 503 })
-  const controller = new AbortController()
-  const timeout = setTimeout(() => controller.abort(), Number(process.env.AI_TIMEOUT_MS || 45000))
-  try {
-    const response = await fetch(`${(process.env.DEEPSEEK_BASE_URL || 'https://api.deepseek.com/anthropic').replace(/\/$/, '')}/v1/messages`, {
-      method: 'POST',
-      signal: controller.signal,
-      headers: {
-        'content-type': 'application/json',
-        'x-api-key': apiKey,
-        'anthropic-version': '2023-06-01',
-      },
-      body: JSON.stringify({
-        model: process.env.DEEPSEEK_MODEL || 'deepseek-v4-flash',
-        max_tokens: Number(process.env.AI_MAX_TOKENS || 4096),
-        temperature: json ? 0.1 : 0.3,
-        system,
-        messages: [{ role: 'user', content: [{ type: 'text', text: user }] }],
-      }),
-    })
-    const body = await response.json()
-    if (!response.ok) throw Object.assign(new Error(body?.error?.message || `AI 请求失败 (${response.status})`), { status: 502 })
-    const text = contentText(body)
-    return json ? parseJson(text) : text
-  } finally {
-    clearTimeout(timeout)
+  const endpoint = `${(process.env.DEEPSEEK_BASE_URL || 'https://api.deepseek.com/anthropic').replace(/\/$/, '')}/v1/messages`
+  const attempts = json ? 2 : 1
+  let prompt = user
+  let lastError
+
+  for (let attempt = 0; attempt < attempts; attempt += 1) {
+    const controller = new AbortController()
+    const timeout = setTimeout(() => controller.abort(), Number(process.env.AI_TIMEOUT_MS || 45000))
+    try {
+      const response = await fetch(endpoint, {
+        method: 'POST',
+        signal: controller.signal,
+        headers: {
+          'content-type': 'application/json',
+          'x-api-key': apiKey,
+          'anthropic-version': '2023-06-01',
+        },
+        body: JSON.stringify({
+          model: process.env.DEEPSEEK_MODEL || 'deepseek-v4-flash',
+          max_tokens: Number(process.env.AI_MAX_TOKENS || 4096),
+          temperature: json ? 0 : 0.3,
+          system,
+          messages: [{ role: 'user', content: [{ type: 'text', text: prompt }] }],
+        }),
+      })
+      const body = await response.json()
+      if (!response.ok) {
+        throw Object.assign(new Error(body?.error?.message || `AI 请求失败 (${response.status})`), { status: 502 })
+      }
+      const text = contentText(body)
+      if (!json) return text
+      try {
+        return parseJson(text)
+      } catch (error) {
+        lastError = error
+        prompt = `${user}\n\n上一次响应不是合法 JSON。请重新生成完整结果：只允许输出一个可被 JSON.parse 直接解析的 JSON 值；不得使用 Markdown；字符串中的双引号、换行和反斜杠必须正确转义。`
+      }
+    } finally {
+      clearTimeout(timeout)
+    }
  }
+  throw Object.assign(new Error('AI 返回格式异常，自动重试后仍无法解析'), { status: 502, cause: lastError })
 }

 export function conversationContext(messages) {