mirror of
https://gitcode.com/JianFeeeee/HomeAgent.git
synced 2026-09-22 09:58:06 +00:00
df0abcd298
- Add files plugin as built-in (internal/plugins/files/) with read/write/edit/ls tools, supporting overwrite/append/insert/create modes and offset/limit segmented reading - Rewrite README.md with core domain separation and three-layer memory highlights - Rewrite docs/OVERVIEW.md with per-subsystem file path references - Rewrite docs/ARCHITECTURE.md (783→~300 lines), merge redundant sections - Clean docs/PLUGIN_DEV.md: remove emoji, simplify SDK examples - Fix provider Model pollution in LuaAdaptedProvider.Chat() - Fix executeToolCall to return actual error vs quiet not-found - Fix plugin.Open path caching with SHA256 temp-path workaround - Add knowledge/homeagent_architecture demo entry - Add config/personal/personal.md identity configuration
711 lines
18 KiB
Go
711 lines
18 KiB
Go
package api
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import (
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"bufio"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"strings"
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"sync"
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"time"
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luaVM "gitcode.com/JianFeeeee/HomeAgent/internal/lua"
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)
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// ContentBlock 定义多模态内容块，用于图片/音频等非文本输入。
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type ContentBlock struct {
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Type string `json:"type"`
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Text string `json:"text,omitempty"`
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ImageURL *ImageURL `json:"image_url,omitempty"`
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AudioURL *AudioURL `json:"audio_url,omitempty"`
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}
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type ImageURL struct {
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URL string `json:"url"`
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Detail string `json:"detail,omitempty"`
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}
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type AudioURL struct {
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URL string `json:"url"`
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}
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// Message 表示对话消息。当 Blocks 不为空时 content 在 JSON 中序列化为数组（多模态格式）。
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type Message struct {
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Role string `json:"role"`
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Content string `json:"content,omitempty"`
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Blocks []ContentBlock `json:"-"`
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ReasoningContent string `json:"reasoning_content,omitempty"`
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ToolCallID string `json:"tool_call_id,omitempty"`
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ToolCalls []ToolCall `json:"-"`
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}
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func (m Message) MarshalJSON() ([]byte, error) {
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raw := map[string]interface{}{
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"role": m.Role,
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}
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if len(m.Blocks) > 0 {
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raw["content"] = m.Blocks
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} else {
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raw["content"] = m.Content
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}
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if m.ReasoningContent != "" {
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raw["reasoning_content"] = m.ReasoningContent
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}
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if m.ToolCallID != "" {
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raw["tool_call_id"] = m.ToolCallID
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}
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if len(m.ToolCalls) > 0 {
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apiTCs := make([]apiToolCall, len(m.ToolCalls))
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for i, tc := range m.ToolCalls {
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argsBytes, _ := json.Marshal(tc.Arguments)
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apiTCs[i] = apiToolCall{
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ID: tc.ID,
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Type: "function",
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Function: apiFunction{
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Name: tc.Name,
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Arguments: string(argsBytes),
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},
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}
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}
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raw["tool_calls"] = apiTCs
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}
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return json.Marshal(raw)
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}
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type CompletionRequest struct {
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Model string `json:"model,omitempty"`
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Messages []Message `json:"messages"`
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Temperature float64 `json:"temperature,omitempty"`
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MaxTokens int `json:"max_tokens,omitempty"`
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Stream bool `json:"stream,omitempty"`
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Tools []interface{} `json:"tools,omitempty"`
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ToolChoice interface{} `json:"tool_choice,omitempty"`
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ExtraBody map[string]interface{} `json:"-"`
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}
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func (r *CompletionRequest) MarshalJSON() ([]byte, error) {
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type Alias CompletionRequest
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data, err := json.Marshal((*Alias)(r))
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if err != nil {
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return nil, err
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}
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if len(r.ExtraBody) == 0 {
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return data, nil
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}
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var raw map[string]interface{}
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if err := json.Unmarshal(data, &raw); err != nil {
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return nil, err
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}
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for k, v := range r.ExtraBody {
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raw[k] = v
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}
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return json.Marshal(raw)
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}
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type CompletionResponse struct {
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Content string `json:"content"`
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ReasoningContent string `json:"reasoning_content,omitempty"`
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FinishReason string `json:"finish_reason,omitempty"`
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TokenUsage TokenUsage `json:"token_usage,omitempty"`
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ToolCalls []ToolCall `json:"tool_calls,omitempty"`
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}
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type TokenUsage struct {
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Prompt int `json:"prompt"`
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Completion int `json:"completion"`
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Total int `json:"total"`
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}
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type ToolCall struct {
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ID string `json:"id"`
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Type string `json:"type"`
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Name string `json:"name"`
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Arguments map[string]interface{} `json:"arguments"`
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}
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type apiToolCall struct {
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ID string `json:"id"`
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Type string `json:"type"`
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Function apiFunction `json:"function"`
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}
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type apiFunction struct {
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Name string `json:"name"`
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Arguments string `json:"arguments"`
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}
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type StreamChunk struct {
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Content string `json:"content"`
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Done bool `json:"done"`
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ToolCall *ToolCall `json:"tool_call,omitempty"`
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}
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type Provider interface {
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Name() string
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Chat(ctx context.Context, req *CompletionRequest) (*CompletionResponse, error)
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ChatStream(ctx context.Context, req *CompletionRequest) (<-chan StreamChunk, error)
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}
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type BaseConfig struct {
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Model string `json:"model"`
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BaseURL string `json:"base_url"`
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APIKey string `json:"api_key"`
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Temperature float64 `json:"temperature"`
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MaxTokens int `json:"max_tokens"`
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}
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type OpenAIProvider struct {
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cfg BaseConfig
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client *http.Client
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}
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func NewOpenAIProvider(cfg BaseConfig) *OpenAIProvider {
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if cfg.BaseURL == "" {
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cfg.BaseURL = "https://api.openai.com/v1"
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}
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if cfg.Temperature == 0 {
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cfg.Temperature = 0.7
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}
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if cfg.MaxTokens == 0 {
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cfg.MaxTokens = 4096
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}
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return &OpenAIProvider{
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cfg: cfg,
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client: &http.Client{Timeout: 60 * time.Second},
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}
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}
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func (p *OpenAIProvider) Name() string { return "openai" }
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func (p *OpenAIProvider) Chat(ctx context.Context, req *CompletionRequest) (*CompletionResponse, error) {
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if req.Model == "" {
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req.Model = p.cfg.Model
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}
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body, _ := json.Marshal(req)
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httpReq, _ := http.NewRequestWithContext(ctx, "POST", p.cfg.BaseURL+"/chat/completions", strings.NewReader(string(body)))
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httpReq.Header.Set("Content-Type", "application/json")
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httpReq.Header.Set("Authorization", "Bearer "+p.cfg.APIKey)
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resp, err := p.client.Do(httpReq)
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if err != nil {
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return nil, fmt.Errorf("api call: %w", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != 200 {
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respBody, _ := io.ReadAll(resp.Body)
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return nil, fmt.Errorf("api error %d: %s", resp.StatusCode, string(respBody))
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}
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var rawResult struct {
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Choices []struct {
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Message struct {
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Content *string `json:"content"`
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ReasoningContent *string `json:"reasoning_content"`
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ToolCalls []rawToolCall `json:"tool_calls"`
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Role string `json:"role"`
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} `json:"message"`
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FinishReason string `json:"finish_reason"`
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} `json:"choices"`
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Usage struct {
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PromptTokens int `json:"prompt_tokens"`
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CompletionTokens int `json:"completion_tokens"`
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TotalTokens int `json:"total_tokens"`
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} `json:"usage"`
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}
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if err := json.NewDecoder(resp.Body).Decode(&rawResult); err != nil {
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return nil, fmt.Errorf("decode: %w", err)
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}
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if len(rawResult.Choices) == 0 {
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return nil, fmt.Errorf("no choices returned")
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}
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ch := rawResult.Choices[0]
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content := ""
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if ch.Message.Content != nil {
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content = *ch.Message.Content
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}
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var toolCalls []ToolCall
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for _, tc := range ch.Message.ToolCalls {
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tc := tc
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args := make(map[string]interface{})
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if err := json.Unmarshal([]byte(tc.Function.Arguments), &args); err != nil {
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args["_raw"] = tc.Function.Arguments
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}
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toolCalls = append(toolCalls, ToolCall{
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ID: tc.ID,
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Type: tc.Type,
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Name: tc.Function.Name,
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Arguments: args,
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})
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}
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return &CompletionResponse{
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Content: content,
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FinishReason: ch.FinishReason,
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TokenUsage: TokenUsage{
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Prompt: rawResult.Usage.PromptTokens,
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Completion: rawResult.Usage.CompletionTokens,
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Total: rawResult.Usage.TotalTokens,
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},
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ToolCalls: toolCalls,
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}, nil
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}
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func (p *OpenAIProvider) ChatStream(ctx context.Context, req *CompletionRequest) (<-chan StreamChunk, error) {
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req.Stream = true
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ch := make(chan StreamChunk, 64)
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body, _ := json.Marshal(req)
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httpReq, _ := http.NewRequestWithContext(ctx, "POST", p.cfg.BaseURL+"/chat/completions", strings.NewReader(string(body)))
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httpReq.Header.Set("Content-Type", "application/json")
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httpReq.Header.Set("Authorization", "Bearer "+p.cfg.APIKey)
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resp, err := p.client.Do(httpReq)
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if err != nil {
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return nil, fmt.Errorf("stream api: %w", err)
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}
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go func() {
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defer resp.Body.Close()
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defer close(ch)
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decoder := json.NewDecoder(resp.Body)
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for {
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var line struct {
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Choices []struct {
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Delta struct {
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Content string `json:"content"`
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} `json:"delta"`
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FinishReason *string `json:"finish_reason"`
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} `json:"choices"`
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}
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if err := decoder.Decode(&line); err != nil {
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return
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}
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if len(line.Choices) > 0 {
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select {
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case ch <- StreamChunk{
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Content: line.Choices[0].Delta.Content,
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Done: line.Choices[0].FinishReason != nil,
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}:
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case <-ctx.Done():
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return
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}
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}
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}
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}()
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return ch, nil
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}
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type OllamaProvider struct {
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cfg BaseConfig
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client *http.Client
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}
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func NewOllamaProvider(cfg BaseConfig) *OllamaProvider {
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if cfg.BaseURL == "" {
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cfg.BaseURL = "http://localhost:11434"
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}
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if cfg.Temperature == 0 {
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cfg.Temperature = 0.7
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}
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if cfg.MaxTokens == 0 {
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cfg.MaxTokens = 4096
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}
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return &OllamaProvider{
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cfg: cfg,
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client: &http.Client{Timeout: 120 * time.Second},
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}
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}
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func (p *OllamaProvider) Name() string { return "ollama" }
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func (p *OllamaProvider) Chat(ctx context.Context, req *CompletionRequest) (*CompletionResponse, error) {
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ollamaReq := map[string]interface{}{
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"model": req.Model,
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"messages": req.Messages,
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"stream": false,
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"options": map[string]interface{}{
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"temperature": req.Temperature,
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"num_predict": req.MaxTokens,
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},
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}
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body, _ := json.Marshal(ollamaReq)
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httpReq, _ := http.NewRequestWithContext(ctx, "POST", p.cfg.BaseURL+"/api/chat", strings.NewReader(string(body)))
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httpReq.Header.Set("Content-Type", "application/json")
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resp, err := p.client.Do(httpReq)
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if err != nil {
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return nil, fmt.Errorf("ollama chat: %w", err)
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}
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defer resp.Body.Close()
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var result struct {
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Message struct {
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Content string `json:"content"`
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} `json:"message"`
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DoneReason string `json:"done_reason"`
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}
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if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
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return nil, fmt.Errorf("decode: %w", err)
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}
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return &CompletionResponse{
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Content: result.Message.Content,
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FinishReason: result.DoneReason,
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}, nil
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}
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func (p *OllamaProvider) ChatStream(ctx context.Context, req *CompletionRequest) (<-chan StreamChunk, error) {
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ch := make(chan StreamChunk, 64)
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go func() {
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defer close(ch)
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ch <- StreamChunk{Done: true}
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}()
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return ch, nil
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}
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// LuaAdaptedProvider 使用 Lua 脚本做请求/响应变换，直接发起 HTTP 调用
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// 不再包裹其他 Provider，协议差异全部在 Lua 层处理
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type LuaAdaptedProvider struct {
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name string
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cfg BaseConfig
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vm *luaVM.VM
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adapter string
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client *http.Client
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}
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func NewLuaAdaptedProvider(cfg BaseConfig, vm *luaVM.VM, adapter string) *LuaAdaptedProvider {
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if cfg.Temperature == 0 {
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cfg.Temperature = 0.7
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}
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if cfg.MaxTokens == 0 {
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cfg.MaxTokens = 4096
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}
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return &LuaAdaptedProvider{
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name: fmt.Sprintf("lua_%s", adapter),
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cfg: cfg,
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vm: vm,
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adapter: adapter,
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client: &http.Client{Timeout: 120 * time.Second},
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}
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}
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func (p *LuaAdaptedProvider) Name() string { return p.name }
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func (p *LuaAdaptedProvider) Chat(ctx context.Context, req *CompletionRequest) (*CompletionResponse, error) {
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req.Model = p.cfg.Model
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rawReq, _ := json.Marshal(req)
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transformedBody, err := p.vm.CallTransformRequest(p.adapter, string(rawReq))
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if err != nil {
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return nil, fmt.Errorf("lua transform_request: %w", err)
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}
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endpoint := p.vm.GetAdapterEndpoint(p.adapter)
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if endpoint == "" {
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endpoint = "/chat/completions"
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}
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url := strings.TrimRight(p.cfg.BaseURL, "/") + endpoint
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httpReq, err := http.NewRequestWithContext(ctx, "POST", url, strings.NewReader(transformedBody))
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if err != nil {
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return nil, fmt.Errorf("create request: %w", err)
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}
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httpReq.Header.Set("Content-Type", "application/json")
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httpReq.Header.Set("Authorization", "Bearer "+p.cfg.APIKey)
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for k, v := range p.vm.GetAdapterHeaders(p.adapter) {
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httpReq.Header.Set(k, v)
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}
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resp, err := p.client.Do(httpReq)
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if err != nil {
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return nil, fmt.Errorf("api call: %w", err)
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}
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defer resp.Body.Close()
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rawResp, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("read response: %w", err)
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}
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if resp.StatusCode != 200 {
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return nil, fmt.Errorf("api error %d: %s", resp.StatusCode, string(rawResp))
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}
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unifiedJSON, err := p.vm.CallTransformResponse(p.adapter, string(rawResp))
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if err != nil {
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return nil, fmt.Errorf("lua transform_response: %w", err)
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}
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var result CompletionResponse
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if err := json.Unmarshal([]byte(unifiedJSON), &result); err != nil {
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return nil, fmt.Errorf("unmarshal unified response: %w (body: %s)", err, unifiedJSON)
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}
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return &result, nil
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}
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func (p *LuaAdaptedProvider) ChatStream(ctx context.Context, req *CompletionRequest) (<-chan StreamChunk, error) {
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req.Model = p.cfg.Model
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req.Stream = true
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rawReq, _ := json.Marshal(req)
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transformedBody, err := p.vm.CallTransformRequest(p.adapter, string(rawReq))
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if err != nil {
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return nil, fmt.Errorf("lua transform_request (stream): %w", err)
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}
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endpoint := p.vm.GetAdapterEndpoint(p.adapter)
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if endpoint == "" {
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endpoint = "/chat/completions"
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}
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url := strings.TrimRight(p.cfg.BaseURL, "/") + endpoint
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httpReq, err := http.NewRequestWithContext(ctx, "POST", url, strings.NewReader(transformedBody))
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if err != nil {
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return nil, fmt.Errorf("create stream request: %w", err)
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}
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httpReq.Header.Set("Content-Type", "application/json")
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httpReq.Header.Set("Authorization", "Bearer "+p.cfg.APIKey)
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for k, v := range p.vm.GetAdapterHeaders(p.adapter) {
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httpReq.Header.Set(k, v)
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}
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resp, err := p.client.Do(httpReq)
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if err != nil {
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return nil, fmt.Errorf("stream api: %w", err)
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}
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ch := make(chan StreamChunk, 64)
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go func() {
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defer resp.Body.Close()
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defer close(ch)
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scanner := NewSSEScanner(resp.Body)
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for scanner.Scan() {
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line := scanner.Text()
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if line == "" {
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continue
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}
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// 尝试用 Lua 变换流块（如果 adapter 定义了 transform_stream_chunk）
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unified, err := p.vm.CallTransformStreamChunk(p.adapter, line)
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if err != nil || unified == line {
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// 无流变换函数或变换透传，尝试标准 SSE 解析
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var raw struct {
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Choices []struct {
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Delta struct {
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Content string `json:"content"`
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} `json:"delta"`
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FinishReason *string `json:"finish_reason"`
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} `json:"choices"`
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}
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if err := json.Unmarshal([]byte(unified), &raw); err != nil {
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continue
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}
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if len(raw.Choices) > 0 {
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select {
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case ch <- StreamChunk{
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Content: raw.Choices[0].Delta.Content,
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||
Done: raw.Choices[0].FinishReason != nil,
|
||
}:
|
||
case <-ctx.Done():
|
||
return
|
||
}
|
||
}
|
||
continue
|
||
}
|
||
|
||
// Lua 返回了变换后的统一格式
|
||
var chunk StreamChunk
|
||
if err := json.Unmarshal([]byte(unified), &chunk); err == nil {
|
||
select {
|
||
case ch <- chunk:
|
||
case <-ctx.Done():
|
||
return
|
||
}
|
||
}
|
||
}
|
||
}()
|
||
|
||
return ch, nil
|
||
}
|
||
|
||
// SSEScanner 读取 SSE 格式的流（data: ...）
|
||
type SSEScanner struct {
|
||
reader *bufio.Reader
|
||
pending string
|
||
}
|
||
|
||
func NewSSEScanner(r io.Reader) *SSEScanner {
|
||
return &SSEScanner{reader: bufio.NewReader(r)}
|
||
}
|
||
|
||
func (s *SSEScanner) Scan() bool {
|
||
s.pending = ""
|
||
for {
|
||
line, err := s.reader.ReadString('\n')
|
||
if err != nil {
|
||
return false
|
||
}
|
||
line = strings.TrimRight(line, "\r\n")
|
||
if strings.HasPrefix(line, "data: ") {
|
||
s.pending = strings.TrimPrefix(line, "data: ")
|
||
if s.pending == "[DONE]" {
|
||
return false
|
||
}
|
||
return true
|
||
}
|
||
}
|
||
}
|
||
|
||
func (s *SSEScanner) Text() string { return s.pending }
|
||
|
||
type ProviderManager struct {
|
||
mu sync.RWMutex
|
||
providers map[string]Provider
|
||
order []string
|
||
default_ string
|
||
}
|
||
|
||
func NewProviderManager() *ProviderManager {
|
||
return &ProviderManager{
|
||
providers: make(map[string]Provider),
|
||
}
|
||
}
|
||
|
||
func (m *ProviderManager) Register(name string, p Provider) {
|
||
m.mu.Lock()
|
||
defer m.mu.Unlock()
|
||
m.providers[name] = p
|
||
m.order = append(m.order, name)
|
||
if m.default_ == "" {
|
||
m.default_ = name
|
||
}
|
||
}
|
||
|
||
func (m *ProviderManager) SetDefault(name string) error {
|
||
m.mu.Lock()
|
||
defer m.mu.Unlock()
|
||
if _, ok := m.providers[name]; !ok {
|
||
return fmt.Errorf("provider %s not found", name)
|
||
}
|
||
m.default_ = name
|
||
return nil
|
||
}
|
||
|
||
func (m *ProviderManager) Get(name string) Provider {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
if name == "" {
|
||
name = m.default_
|
||
}
|
||
return m.providers[name]
|
||
}
|
||
|
||
func (m *ProviderManager) Default() Provider {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
return m.providers[m.default_]
|
||
}
|
||
|
||
// QuickChat 向默认 LLM Provider 发送一条简短消息并返回回复。
|
||
// 这是一个"非记忆"调用——直接通过 Provider HTTP 调用，不经过 Agent 的记忆/蒸馏管线。
|
||
// 适用于健康检查、系统自检等不需要产生记忆碎片的场景。
|
||
func (m *ProviderManager) QuickChat(ctx context.Context, prompt string) (*CompletionResponse, error) {
|
||
p := m.Default()
|
||
if p == nil {
|
||
return nil, fmt.Errorf("no default provider")
|
||
}
|
||
return p.Chat(ctx, &CompletionRequest{
|
||
Messages: []Message{
|
||
{Role: "user", Content: prompt},
|
||
},
|
||
MaxTokens: 128,
|
||
})
|
||
}
|
||
|
||
func (m *ProviderManager) List() []string {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
names := make([]string, len(m.order))
|
||
copy(names, m.order)
|
||
return names
|
||
}
|
||
|
||
func (m *ProviderManager) OrderedProviders() []Provider {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
list := make([]Provider, 0, len(m.order))
|
||
for _, name := range m.order {
|
||
if p, ok := m.providers[name]; ok {
|
||
list = append(list, p)
|
||
}
|
||
}
|
||
return list
|
||
}
|
||
|
||
func (m *ProviderManager) ProviderCount() int {
|
||
m.mu.RLock()
|
||
defer m.mu.RUnlock()
|
||
return len(m.providers)
|
||
}
|
||
|
||
type rawToolCall struct {
|
||
ID string `json:"id"`
|
||
Type string `json:"type"`
|
||
Function struct {
|
||
Name string `json:"name"`
|
||
Arguments string `json:"arguments"`
|
||
} `json:"function"`
|
||
}
|
||
|
||
func messagesToMap(msgs []Message) []interface{} {
|
||
result := make([]interface{}, len(msgs))
|
||
for i, m := range msgs {
|
||
result[i] = map[string]interface{}{
|
||
"role": m.Role,
|
||
"content": m.Content,
|
||
}
|
||
}
|
||
return result
|
||
}
|
||
|
||
func getString(m map[string]interface{}, key string) string {
|
||
if v, ok := m[key]; ok {
|
||
if s, ok := v.(string); ok {
|
||
return s
|
||
}
|
||
}
|
||
return ""
|
||
}
|
||
|
||
func getFloat(m map[string]interface{}, key string) float64 {
|
||
if v, ok := m[key]; ok {
|
||
switch n := v.(type) {
|
||
case float64:
|
||
return n
|
||
case int:
|
||
return float64(n)
|
||
}
|
||
}
|
||
return 0
|
||
}
|