init: 云枢·Agent 初始提交

src/runtime.go

@@ -0,0 +1,101 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+func sessionPath() string {
+	return filepath.Join(ConfigDir(), "session.json")
+}
+
+func ClearSession() {
+	os.Remove(sessionPath())
+}
+
+func LoadSession() []Message {
+	data, err := os.ReadFile(sessionPath())
+	if err != nil {
+		return nil
+	}
+
+	var messages []Message
+	if err := json.Unmarshal(data, &messages); err != nil {
+		return nil
+	}
+	return messages
+}
+
+func AppendToSession(msg Message) {
+
+	messages := LoadSession()
+	messages = append(messages, msg)
+
+	data, err := json.MarshalIndent(messages, "", "  ")
+	if err != nil {
+		return
+	}
+	os.WriteFile(sessionPath(), data, 0644)
+}
+
+func RunAgent(def *AgentDef, userInput string) error {
+	messages := LoadSession()
+
+	fullMessages := []Message{
+		{Role: RoleSystem, Content: def.SystemPrompt},
+	}
+	fullMessages = append(fullMessages, messages...)
+	fullMessages = append(fullMessages, Message{Role: RoleUser, Content: userInput})
+
+	AppendToSession(Message{Role: RoleUser, Content: userInput})
+
+	toolDefs := GetToolDefs(def.Tools)
+
+	for {
+		resp, err := CallLLM(fullMessages, toolDefs)
+		if err != nil {
+			return err
+		}
+
+		choice := resp.Choices[0]
+
+		if len(choice.Message.ToolCalls) > 0 {
+			assistantMsg := Message{
+				Role:      RoleAssistant,
+				ToolCalls: choice.Message.ToolCalls,
+			}
+			fullMessages = append(fullMessages, assistantMsg)
+			AppendToSession(assistantMsg)
+
+			for _, tc := range choice.Message.ToolCalls {
+				result, err := ExecuteTool(tc)
+				if err != nil {
+					result = fmt.Sprintf("工具执行错误: %v", err)
+				}
+				toolMsg := Message{
+					Role:       RoleTool,
+					Content:    result,
+					ToolCallID: tc.ID,
+				}
+				fullMessages = append(fullMessages, toolMsg)
+				AppendToSession(toolMsg)
+			}
+		} else {
+			content := ""
+			if choice.Message.Content != nil {
+				content = *choice.Message.Content
+			}
+			assistantMsg := Message{
+				Role:    RoleAssistant,
+				Content: content,
+			}
+			fullMessages = append(fullMessages, assistantMsg)
+			AppendToSession(assistantMsg)
+
+			fmt.Println(content)
+			return nil
+		}
+	}
+}