Multiple provider configuration

Add support for having multiple openai or anthropic compatible providers
accessible via different baseUrls

pkg/lmcli/lmcli.go

@@ -43,7 +43,7 @@ func NewContext() (*Context, error) {
 	chroma := tty.NewChromaHighlighter("markdown", *config.Chroma.Formatter, *config.Chroma.Style)
 
 	var enabledTools []model.Tool
-	for _, toolName := range *config.Tools.EnabledTools {
+	for _, toolName := range config.Tools.EnabledTools {
 		tool, ok := tools.AvailableTools[toolName]
 		if ok {
 			enabledTools = append(enabledTools, tool)
@@ -54,31 +54,43 @@ func NewContext() (*Context, error) {
 }
 
 func (c *Context) GetModels() (models []string) {
-	for _, m := range *c.Config.Anthropic.Models {
-		models = append(models, m)
-	}
-	for _, m := range *c.Config.OpenAI.Models {
-		models = append(models, m)
+	for _, p := range c.Config.Providers {
+		for _, m := range *p.Models {
+			models = append(models, m)
+		}
 	}
 	return
 }
 
 func (c *Context) GetCompletionProvider(model string) (provider.ChatCompletionClient, error) {
-	for _, m := range *c.Config.Anthropic.Models {
-		if m == model {
-			anthropic := &anthropic.AnthropicClient{
-				APIKey: *c.Config.Anthropic.APIKey,
+	for _, p := range c.Config.Providers {
+		for _, m := range *p.Models {
+			if m == model {
+				switch *p.Kind {
+				case "anthropic":
+					url := "https://api.anthropic.com/v1"
+					if p.BaseURL != nil {
+						url = *p.BaseURL
+					}
+					anthropic := &anthropic.AnthropicClient{
+						BaseURL: url,
+						APIKey:  *p.APIKey,
+					}
+					return anthropic, nil
+				case "openai":
+					url := "https://api.openai.com/v1"
+					if p.BaseURL != nil {
+						url = *p.BaseURL
+					}
+					openai := &openai.OpenAIClient{
+						BaseURL: url,
+						APIKey:  *p.APIKey,
+					}
+					return openai, nil
+				default:
+					return nil, fmt.Errorf("unknown provider kind: %s", *p.Kind)
+				}
 			}
-			return anthropic, nil
-		}
-	}
-	for _, m := range *c.Config.OpenAI.Models {
-		if m == model {
-			openai := &openai.OpenAIClient{
-				BaseURL: "https://api.openai.com/v1",
-				APIKey:  *c.Config.OpenAI.APIKey,
-			}
-			return openai, nil
 		}
 	}
 	return nil, fmt.Errorf("unknown model: %s", model)