Add openai.enabledTools config key

By default none are, they must be explicitly enabled by the user adding
the configuration.

pkg/cli/config.go

@@ -13,9 +13,10 @@ type Config struct {
 		SystemPrompt *string `yaml:"systemPrompt" default:"You are a helpful assistant."`
 	} `yaml:"modelDefaults"`
 	OpenAI *struct {
-		APIKey           *string `yaml:"apiKey" default:"your_key_here"`
-		DefaultModel     *string `yaml:"defaultModel" default:"gpt-4"`
-		DefaultMaxLength *int    `yaml:"defaultMaxLength" default:"256"`
+		APIKey           *string  `yaml:"apiKey" default:"your_key_here"`
+		DefaultModel     *string  `yaml:"defaultModel" default:"gpt-4"`
+		DefaultMaxLength *int     `yaml:"defaultMaxLength" default:"256"`
+		EnabledTools     []string `yaml:"enabledTools"`
 	} `yaml:"openai"`
 	Chroma *struct {
 		Style     *string `yaml:"style" default:"onedark"`

pkg/cli/openai.go

@@ -34,20 +34,27 @@ func CreateChatCompletionRequest(model string, messages []Message, maxTokens int
 		chatCompletionMessages = append(chatCompletionMessages, message)
 	}
 
-	var tools []openai.Tool
-	for _, t := range AvailableTools {
-		// TODO: support some way to limit which tools are available per-request
-		tools = append(tools, t.Tool)
+	request := openai.ChatCompletionRequest{
+		Model:     model,
+		Messages:  chatCompletionMessages,
+		MaxTokens: maxTokens,
+		N:         1, // limit responses to 1 "choice". we use choices[0] to reference it
 	}
 
-	return openai.ChatCompletionRequest{
-		Model:      model,
-		Messages:   chatCompletionMessages,
-		MaxTokens:  maxTokens,
-		N:          1, // limit responses to 1 "choice". we use choices[0] to reference it
-		Tools:      tools,
-		ToolChoice: "auto", // TODO: allow limiting/forcing which function is called?
+	var tools []openai.Tool
+	for _, t := range config.OpenAI.EnabledTools {
+		tool, ok := AvailableTools[t]
+		if ok {
+			tools = append(tools, tool.Tool)
+		}
 	}
+
+	if len(tools) > 0 {
+		request.Tools = tools
+		request.ToolChoice = "auto"
+	}
+
+	return request
 }
 
 // CreateChatCompletion submits a Chat Completion API request and returns the