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fix(mcp+adapter): 流式 tool_calls 解析修复 + MCP transport 超时保护
openai adapter transform_stream_chunk:
- OpenAI 流式分片是嵌套格式 function.{name,arguments},原样透传后
json.Unmarshal 到扁平 ToolCall{name,arguments} 时 name 恒为空,
accumulateStream flushToolCall 因 acc.name=="" 静默丢弃整个工具调用
(流式路径自上线起 tool_calls 全部丢失的根因)
- 现在正确解包 function.name → name,function.arguments → raw_arguments
(保留原始 JSON 字符串分片,由 accumulateStream 按 index 拼接)
- 不按 name 过滤分片:OpenAI 流式续传块 name 为空但携带 arguments 分片
mcp stdio/sse transport:
- stdio Send() 无超时:server 进程卡死时插件加载永久阻塞
- sse http.Client 无超时:远程 server 网络抖动/无响应时永久阻塞,
导致 webui 等后续插件全部无法启动(生产实例偶发启动卡死根因)
- stdio 加 60s 请求超时;sse client 加 30s 整体 + 10s 拨号超时
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@ -5,8 +5,10 @@ import (
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"encoding/json"
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"fmt"
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"io"
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"net"
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"net/http"
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"strings"
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"time"
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)
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// SSETransport 通过 HTTP POST 进行 JSON-RPC 通信。
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@ -18,9 +20,19 @@ type SSETransport struct {
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}
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func NewSSETransport(url string) *SSETransport {
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// 必须带超时:远程 MCP server 网络抖动/无响应时,
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// 无超时的 client 会让插件加载永久阻塞(webui 等后续插件全部起不来)
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return &SSETransport{
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url: url,
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client: &http.Client{},
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url: url,
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client: &http.Client{
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Timeout: 30 * time.Second,
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Transport: &http.Transport{
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DialContext: (&net.Dialer{
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Timeout: 10 * time.Second,
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KeepAlive: 30 * time.Second,
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}).DialContext,
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},
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},
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}
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}
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