feat: AutoZero 通用 Agent 框架（从 AutoGo 五阶段拆分完成）
llm（三协议 Provider）/ session（JSONL 持久化）/ tools（Registry、围栏、 builtin、computer）/ cdp（browser）/ skills / mcp / agent（循环、两级压缩、 编排、审批门控）+ 底座 jsonl/textx/execx/diag/scratch/spill/imagecache。 产品装配代码（config 桥接、schedule 工具、memory/plan/retro/prompt） 留在 AutoGo，宿主接入方式见 MIGRATION.md。
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package llm
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import (
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"context"
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"errors"
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"strings"
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"testing"
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)
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// emptyStreamCases 是三家协议下"这一轮什么都没回来"的流形状。
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//
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// 关键不是"没收到终止事件"（有些兼容网关确实不发 [DONE]，拿它当条件会把能用的
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// 配置弄坏），而是**正文/工具调用/思考三样全空**。真实取证：一次 136 步的会话里
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// 有 18 个这样的回合，全部 usage 缺失，每个都让用户多按一次「继续」。
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func TestProvidersRejectEmptyStream(t *testing.T) {
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cases := []struct {
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name string
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sse string
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call func(url string) (Provider, error)
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}{
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{
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name: "chat_completions：流直接关掉",
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sse: "",
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call: func(u string) (Provider, error) {
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return &OpenAIProvider{BaseURL: u, APIKey: "k", Model: "m"}, nil
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},
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},
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{
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name: "chat_completions：只有 finish_reason 没有内容",
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sse: "data: {\"choices\":[{\"delta\":{},\"finish_reason\":\"stop\"}]}\n\ndata: [DONE]\n\n",
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call: func(u string) (Provider, error) {
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return &OpenAIProvider{BaseURL: u, APIKey: "k", Model: "m"}, nil
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},
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},
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{
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name: "anthropic：只有 message_stop",
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sse: "data: {\"type\":\"message_stop\"}\n\n",
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call: func(u string) (Provider, error) {
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return &AnthropicProvider{BaseURL: u, APIKey: "k", Model: "m", MaxTokens: 128}, nil
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},
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},
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{
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name: "responses：completed 但 output 为空",
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sse: "data: {\"type\":\"response.completed\",\"response\":{\"output\":[],\"usage\":{\"input_tokens\":1,\"output_tokens\":0}}}\n\n",
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call: func(u string) (Provider, error) {
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return &ResponsesProvider{BaseURL: u, APIKey: "k", Model: "m"}, nil
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},
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},
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}
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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var body map[string]any
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srv := captureServer(&body, c.sse)
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defer srv.Close()
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p, err := c.call(srv.URL)
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if err != nil {
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t.Fatal(err)
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}
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_, err = p.Stream(context.Background(), "sys",
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[]Message{{Role: RoleUser, Content: "hi"}}, nil, StreamOptions{}, nil)
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if !errors.Is(err, ErrEmptyCompletion) {
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t.Fatalf("want ErrEmptyCompletion, got %v", err)
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}
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// 报错里要带协议名：三家都可能是那条坏流，排查时得知道是谁。
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if !strings.Contains(err.Error(), "openai") && !strings.Contains(err.Error(), "anthropic") &&
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!strings.Contains(err.Error(), "responses") {
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t.Fatalf("错误里没有协议归因：%v", err)
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}
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})
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}
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}
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// TestProvidersAcceptThinStreams：反过来也要钉住——只要有任何一样内容，就不算空。
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// 尤其"只有思考没有正文"这一种，把模型的真实工作误判成失败会白白重试三次。
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func TestProvidersAcceptThinStreams(t *testing.T) {
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thin := []struct {
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name string
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sse string
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call func(url string) Provider
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}{
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{"chat_completions 只回一句", "data: {\"choices\":[{\"delta\":{\"content\":\"ok\"}}]}\n\ndata: [DONE]\n\n",
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func(u string) Provider { return &OpenAIProvider{BaseURL: u, APIKey: "k", Model: "m"} }},
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{"chat_completions 只有工具调用", "data: {\"choices\":[{\"delta\":{\"tool_calls\":[{\"index\":0,\"id\":\"c1\",\"function\":{\"name\":\"bash\",\"arguments\":\"{}\"}}]}}]}\n\ndata: [DONE]\n\n",
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func(u string) Provider { return &OpenAIProvider{BaseURL: u, APIKey: "k", Model: "m"} }},
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{"anthropic 只有 thinking", "data: {\"type\":\"content_block_delta\",\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"T\"}}\n\ndata: {\"type\":\"message_stop\"}\n\n",
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func(u string) Provider {
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return &AnthropicProvider{BaseURL: u, APIKey: "k", Model: "m", MaxTokens: 128}
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}},
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}
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for _, c := range thin {
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t.Run(c.name, func(t *testing.T) {
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var body map[string]any
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srv := captureServer(&body, c.sse)
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defer srv.Close()
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if _, err := c.call(srv.URL).Stream(context.Background(), "sys", nil, nil, StreamOptions{}, nil); err != nil {
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t.Fatalf("不该判成空回复：%v", err)
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}
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})
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}
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}
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func TestIsEmptyCompletion(t *testing.T) {
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cases := []struct {
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name string
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m Message
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want bool
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}{
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{"全空", Message{}, true},
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{"只有空白正文", Message{Content: " \n\t "}, true},
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{"有正文", Message{Content: "答"}, false},
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{"只有思考", Message{Reasoning: "想"}, false},
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{"只有工具调用", Message{ToolCalls: []ToolCall{{ID: "1", Name: "bash"}}}, false},
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// usage 不参与判定：观测到的坏流 usage 也缺失，但"有 usage 却整轮空"
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// 同样不是一次有用的最终回答。
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{"有 usage 但什么都没有", Message{Usage: &Usage{OutputTokens: 1}}, true},
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}
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for _, c := range cases {
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if got := IsEmptyCompletion(c.m); got != c.want {
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t.Errorf("%s: IsEmptyCompletion = %v, want %v", c.name, got, c.want)
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}
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}
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}
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// TestProvidersDetectTruncatedStream：真实取证那一例——62 秒只回一个词、usage 缺失、
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// 没有终止事件。判据要求**两个证据都缺**，所以另外两种"缺一个"的合法形状必须放过：
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// 有的网关不发 [DONE]，有的不回 usage（我们确实请求了 include_usage，但兼容层不一定给）。
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func TestProvidersDetectTruncatedStream(t *testing.T) {
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cases := []struct {
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name string
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sse string
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wantErr bool
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provider func(url string) Provider
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}{
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{
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name: "chat_completions：有正文，流静默关掉（实报的形状）",
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sse: "data: {\"choices\":[{\"delta\":{\"content\":\"rawData\"}}]}\n\n",
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wantErr: true,
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provider: func(u string) Provider { return &OpenAIProvider{BaseURL: u, APIKey: "k", Model: "m"} },
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},
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{
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name: "chat_completions：有正文 + [DONE]，没 usage（兼容网关常态）",
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sse: "data: {\"choices\":[{\"delta\":{\"content\":\"答\"}}]}\n\ndata: [DONE]\n\n",
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wantErr: false,
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provider: func(u string) Provider { return &OpenAIProvider{BaseURL: u, APIKey: "k", Model: "m"} },
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},
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{
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name: "chat_completions：有正文 + usage，没 [DONE]",
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sse: "data: {\"choices\":[{\"delta\":{\"content\":\"答\"}}],\"usage\":{\"prompt_tokens\":1,\"completion_tokens\":2}}\n\n",
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wantErr: false,
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provider: func(u string) Provider { return &OpenAIProvider{BaseURL: u, APIKey: "k", Model: "m"} },
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},
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{
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name: "chat_completions：只有 finish_reason 就断",
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sse: "data: {\"choices\":[{\"delta\":{\"content\":\"答\"},\"finish_reason\":\"stop\"}]}\n\n",
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wantErr: false, // finish_reason 本身就是终止证据
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provider: func(u string) Provider { return &OpenAIProvider{BaseURL: u, APIKey: "k", Model: "m"} },
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},
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{
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name: "anthropic：text 块开了却没等到 message_stop",
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sse: "data: {\"type\":\"message_start\",\"message\":{\"id\":\"m\",\"role\":\"assistant\",\"content\":[],\"usage\":{\"input_tokens\":1}}}\n\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"半句\"}}\n\n",
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wantErr: true,
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provider: func(u string) Provider {
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return &AnthropicProvider{BaseURL: u, APIKey: "k", Model: "m", MaxTokens: 128}
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},
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},
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{
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name: "responses：有增量却没有 response.completed",
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sse: "data: {\"type\":\"response.output_text.delta\",\"delta\":\"半句\"}\n\n",
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wantErr: true,
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provider: func(u string) Provider { return &ResponsesProvider{BaseURL: u, APIKey: "k", Model: "m"} },
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},
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}
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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var body map[string]any
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srv := captureServer(&body, c.sse)
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defer srv.Close()
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_, err := c.provider(srv.URL).Stream(context.Background(), "sys",
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[]Message{{Role: RoleUser, Content: "hi"}}, nil, StreamOptions{}, nil)
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if got := err != nil; got != c.wantErr {
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t.Fatalf("wantErr=%v，实际 err=%v", c.wantErr, err)
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}
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if c.wantErr && !errors.Is(err, ErrTruncatedStream) {
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t.Fatalf("该报 ErrTruncatedStream，得到 %v", err)
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}
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})
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}
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}
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