feat: Add GitHub Copilot provider support

cmd/picoclaw/main.go

@@ -9,6 +9,7 @@ package main
 import (
 	"bufio"
 	"context"
+	"embed"
 	"fmt"
 	"io"
 	"io/fs"
@@ -18,7 +19,6 @@ import (
 	"runtime"
 	"strings"
 	"time"
-	"embed"
 
 	"github.com/chzyer/readline"
 	"github.com/sipeed/picoclaw/pkg/agent"
@@ -41,7 +41,6 @@ import (
 //go:embed workspace
 var embeddedFiles embed.FS
 
-
 var (
 	version   = "dev"
 	gitCommit string
@@ -214,7 +213,6 @@ func printHelp() {
 	fmt.Println("  version     Show version information")
 }
 
-
 func onboard() {
 	configPath := getConfigPath()
 
@@ -246,50 +244,50 @@ func onboard() {
 }
 
 func copyEmbeddedToTarget(targetDir string) error {
-    // Ensure target directory exists
-    if err := os.MkdirAll(targetDir, 0755); err != nil {
-        return fmt.Errorf("Failed to create target directory: %w", err)
-    }
-
-    // Walk through all files in embed.FS
-    err := fs.WalkDir(embeddedFiles, "workspace", func(path string, d fs.DirEntry, err error) error {
-        if err != nil {
-            return err
-        }
-
-        // Skip directories
-        if d.IsDir() {
-            return nil
-        }
-
-        // Read embedded file
-        data, err := embeddedFiles.ReadFile(path)
-        if err != nil {
-            return fmt.Errorf("Failed to read embedded file %s: %w", path, err)
-        }
+	// Ensure target directory exists
+	if err := os.MkdirAll(targetDir, 0755); err != nil {
+		return fmt.Errorf("Failed to create target directory: %w", err)
+	}
+
+	// Walk through all files in embed.FS
+	err := fs.WalkDir(embeddedFiles, "workspace", func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+
+		// Skip directories
+		if d.IsDir() {
+			return nil
+		}
+
+		// Read embedded file
+		data, err := embeddedFiles.ReadFile(path)
+		if err != nil {
+			return fmt.Errorf("Failed to read embedded file %s: %w", path, err)
+		}
 
 		new_path, err := filepath.Rel("workspace", path)
 		if err != nil {
 			return fmt.Errorf("Failed to get relative path for %s: %v\n", path, err)
 		}
 
-        // Build target file path
-        targetPath := filepath.Join(targetDir, new_path)
+		// Build target file path
+		targetPath := filepath.Join(targetDir, new_path)
 
-        // Ensure target file's directory exists
-        if err := os.MkdirAll(filepath.Dir(targetPath), 0755); err != nil {
-            return fmt.Errorf("Failed to create directory %s: %w", filepath.Dir(targetPath), err)
-        }
+		// Ensure target file's directory exists
+		if err := os.MkdirAll(filepath.Dir(targetPath), 0755); err != nil {
+			return fmt.Errorf("Failed to create directory %s: %w", filepath.Dir(targetPath), err)
+		}
 
-        // Write file
-        if err := os.WriteFile(targetPath, data, 0644); err != nil {
-            return fmt.Errorf("Failed to write file %s: %w", targetPath, err)
-        }
+		// Write file
+		if err := os.WriteFile(targetPath, data, 0644); err != nil {
+			return fmt.Errorf("Failed to write file %s: %w", targetPath, err)
+		}
 
-        return nil
-    })
+		return nil
+	})
 
-    return err
+	return err
 }
 
 func createWorkspaceTemplates(workspace string) {

go.mod

@@ -19,12 +19,16 @@ require (
 	golang.org/x/oauth2 v0.35.0
 )
 
+
+
 require (
 	github.com/andybalholm/brotli v1.2.0 // indirect
 	github.com/bytedance/gopkg v0.1.3 // indirect
 	github.com/bytedance/sonic v1.15.0 // indirect
 	github.com/bytedance/sonic/loader v0.5.0 // indirect
 	github.com/cloudwego/base64x v0.1.6 // indirect
+	github.com/github/copilot-sdk/go v0.1.23
+	github.com/google/jsonschema-go v0.4.2 // indirect
 	github.com/go-resty/resty/v2 v2.17.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/grbit/go-json v0.11.0 // indirect
@@ -43,4 +47,5 @@ require (
 	golang.org/x/net v0.50.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.41.0 // indirect
+
 )

go.sum

@@ -32,6 +32,8 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/github/copilot-sdk/go v0.1.23 h1:uExtO/inZQndCZMiSAA1hvXINiz9tqo/MZgQzFzurxw=
+github.com/github/copilot-sdk/go v0.1.23/go.mod h1:GdwwBfMbm9AABLEM3x5IZKw4ZfwCYxZ1BgyytmZenQ0=
 github.com/go-redis/redis/v8 v8.11.4/go.mod h1:2Z2wHZXdQpCDXEGzqMockDpNyYvi2l4Pxt6RJr792+w=
 github.com/go-resty/resty/v2 v2.6.0/go.mod h1:PwvJS6hvaPkjtjNg9ph+VrSD92bi5Zq73w/BIH7cC3Q=
 github.com/go-resty/resty/v2 v2.17.1 h1:x3aMpHK1YM9e4va/TMDRlusDDoZiQ+ViDu/WpA6xTM4=
@@ -56,6 +58,8 @@ github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/jsonschema-go v0.4.2 h1:tmrUohrwoLZZS/P3x7ex0WAVknEkBZM46iALbcqoRA8=
+github.com/google/jsonschema-go v0.4.2/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=

pkg/config/config.go

@@ -157,24 +157,26 @@ type DevicesConfig struct {
 }
 
 type ProvidersConfig struct {
-	Anthropic    ProviderConfig `json:"anthropic"`
-	OpenAI       ProviderConfig `json:"openai"`
-	OpenRouter   ProviderConfig `json:"openrouter"`
-	Groq         ProviderConfig `json:"groq"`
-	Zhipu        ProviderConfig `json:"zhipu"`
-	VLLM         ProviderConfig `json:"vllm"`
-	Gemini       ProviderConfig `json:"gemini"`
-	Nvidia       ProviderConfig `json:"nvidia"`
-	Moonshot     ProviderConfig `json:"moonshot"`
-	ShengSuanYun ProviderConfig `json:"shengsuanyun"`
-	DeepSeek     ProviderConfig `json:"deepseek"`
+	Anthropic     ProviderConfig `json:"anthropic"`
+	OpenAI        ProviderConfig `json:"openai"`
+	OpenRouter    ProviderConfig `json:"openrouter"`
+	Groq          ProviderConfig `json:"groq"`
+	Zhipu         ProviderConfig `json:"zhipu"`
+	VLLM          ProviderConfig `json:"vllm"`
+	Gemini        ProviderConfig `json:"gemini"`
+	Nvidia        ProviderConfig `json:"nvidia"`
+	Moonshot      ProviderConfig `json:"moonshot"`
+	ShengSuanYun  ProviderConfig `json:"shengsuanyun"`
+	DeepSeek      ProviderConfig `json:"deepseek"`
+	GitHubCopilot ProviderConfig `json:"github_copilot"`
 }
 
 type ProviderConfig struct {
-	APIKey     string `json:"api_key" env:"PICOCLAW_PROVIDERS_{{.Name}}_API_KEY"`
-	APIBase    string `json:"api_base" env:"PICOCLAW_PROVIDERS_{{.Name}}_API_BASE"`
-	Proxy      string `json:"proxy,omitempty" env:"PICOCLAW_PROVIDERS_{{.Name}}_PROXY"`
-	AuthMethod string `json:"auth_method,omitempty" env:"PICOCLAW_PROVIDERS_{{.Name}}_AUTH_METHOD"`
+	APIKey      string `json:"api_key" env:"PICOCLAW_PROVIDERS_{{.Name}}_API_KEY"`
+	APIBase     string `json:"api_base" env:"PICOCLAW_PROVIDERS_{{.Name}}_API_BASE"`
+	Proxy       string `json:"proxy,omitempty" env:"PICOCLAW_PROVIDERS_{{.Name}}_PROXY"`
+	AuthMethod  string `json:"auth_method,omitempty" env:"PICOCLAW_PROVIDERS_{{.Name}}_AUTH_METHOD"`
+	ConnectMode string `json:"connect_mode,omitempty" env:"PICOCLAW_PROVIDERS_{{.Name}}_CONNECT_MODE"` //only for Github Copilot, `stdio` or `grpc`
 }
 
 type GatewayConfig struct {

pkg/providers/github_copilot_provider.go

@@ -0,0 +1,82 @@
+package providers
+
+import (
+	"context"
+	"fmt"
+
+	json "encoding/json"
+
+	copilot "github.com/github/copilot-sdk/go"
+)
+
+type GitHubCopilotProvider struct {
+	uri         string
+	connectMode string // `stdio` or `grpc``
+
+	session *copilot.Session
+}
+
+func NewGitHubCopilotProvider(uri string, connectMode string, model string) (*GitHubCopilotProvider, error) {
+
+	var session *copilot.Session
+	if connectMode == "" {
+		connectMode = "grpc"
+	}
+	switch connectMode {
+
+	case "stdio":
+		//todo
+	case "grpc":
+		client := copilot.NewClient(&copilot.ClientOptions{
+			CLIUrl: uri,
+		})
+		if err := client.Start(context.Background()); err != nil {
+			return nil, fmt.Errorf("Can't connect to Github Copilot, https://github.com/github/copilot-sdk/blob/main/docs/getting-started.md#connecting-to-an-external-cli-server for details")
+		}
+		defer client.Stop()
+		session, _ = client.CreateSession(context.Background(), &copilot.SessionConfig{
+			Model: model,
+			Hooks: &copilot.SessionHooks{},
+		})
+
+	}
+
+	return &GitHubCopilotProvider{
+		uri:         uri,
+		connectMode: connectMode,
+		session:     session,
+	}, nil
+}
+
+// Chat sends a chat request to GitHub Copilot
+func (p *GitHubCopilotProvider) Chat(ctx context.Context, messages []Message, tools []ToolDefinition, model string, options map[string]interface{}) (*LLMResponse, error) {
+	type tempMessage struct {
+		Role    string `json:"role"`
+		Content string `json:"content"`
+	}
+	out := make([]tempMessage, 0, len(messages))
+
+	for _, msg := range messages {
+		out = append(out, tempMessage{
+			Role:    msg.Role,
+			Content: msg.Content,
+		})
+	}
+
+	fullcontent, _ := json.Marshal(out)
+
+	content, _ := p.session.Send(ctx, copilot.MessageOptions{
+		Prompt: string(fullcontent),
+	})
+
+	return &LLMResponse{
+		FinishReason: "stop",
+		Content:      content,
+	}, nil
+
+}
+
+func (p *GitHubCopilotProvider) GetDefaultModel() string {
+
+	return "gpt-4.1"
+}

pkg/providers/http_provider.go

@@ -314,7 +314,16 @@ func CreateProvider(cfg *config.Config) (LLMProvider, error) {
 					model = "deepseek-chat"
 				}
 			}
+		case "github_copilot", "copilot":
+			if cfg.Providers.GitHubCopilot.APIBase != "" {
+				apiBase = cfg.Providers.GitHubCopilot.APIBase
+			} else {
+				apiBase = "localhost:4321"
+			}
+			return NewGitHubCopilotProvider(apiBase, cfg.Providers.GitHubCopilot.ConnectMode, model)
+
 		}
+
 	}
 
 	// Fallback: detect provider from model name