Method chatClaude

backend/api/v1/ai_service.go:354–476

(ctx context.Context, aiSetting *storepb.AISetting, request *v1pb.AIChatRequest)

}

func (*AIService) chatClaude(ctx context.Context, aiSetting *storepb.AISetting, request *v1pb.AIChatRequest) (*connect.Response[v1pb.AIChatResponse], error) {
	payload := chatClaudeRequest{
		Model:     aiSetting.Model,
		MaxTokens: 4096,
	}

	for _, m := range request.Messages {
		switch m.Role {
		case v1pb.AIChatMessageRole_AI_CHAT_MESSAGE_ROLE_SYSTEM:
			payload.System = m.GetContent()
			continue
		case v1pb.AIChatMessageRole_AI_CHAT_MESSAGE_ROLE_USER:
			payload.Messages = append(payload.Messages, chatClaudeMsg{
				Role:    "user",
				Content: m.GetContent(),
			})
		case v1pb.AIChatMessageRole_AI_CHAT_MESSAGE_ROLE_ASSISTANT:
			var contentBlocks []chatClaudeContentBlock
			if m.Content != nil && *m.Content != "" {
				contentBlocks = append(contentBlocks, chatClaudeContentBlock{
					Type: "text",
					Text: *m.Content,
				})
			}
			for _, tc := range m.ToolCalls {
				var input any
				if err := json.Unmarshal([]byte(tc.Arguments), &input); err != nil {
					input = tc.Arguments
				}
				contentBlocks = append(contentBlocks, chatClaudeContentBlock{
					Type:  "tool_use",
					ID:    tc.Id,
					Name:  tc.Name,
					Input: input,
				})
			}
			payload.Messages = append(payload.Messages, chatClaudeMsg{
				Role:    "assistant",
				Content: contentBlocks,
			})
		case v1pb.AIChatMessageRole_AI_CHAT_MESSAGE_ROLE_TOOL:
			// Claude uses "user" role with tool_result content block.
			payload.Messages = append(payload.Messages, chatClaudeMsg{
				Role: "user",
				Content: []chatClaudeContentBlock{
					{
						Type:      "tool_result",
						ToolUseID: m.GetToolCallId(),
						Content:   m.GetContent(),
					},
				},
			})
		default:
			continue
		}
	}

	for _, td := range request.ToolDefinitions {