Method validate

internal/config/config.go:283–462

()

}

func (c *Config) validate() error {
	if err := c.validateServerHTTPTimeouts(); err != nil {
		return err
	}
	if len(c.Backends) == 0 {
		return fmt.Errorf("config validation: at least one backend is required")
	}

	backendNames := make(map[string]struct{}, len(c.Backends))
	for _, b := range c.Backends {
		name := strings.TrimSpace(b.Name)
		if name == "" {
			return fmt.Errorf("config validation: backend name cannot be empty")
		}
		switch b.Type {
		case "mock":
		case "vllm", "openai", "openai_compatible", "azure_openai":
			if strings.TrimSpace(b.Endpoint) == "" {
				return fmt.Errorf("config validation: backend %q type %q requires endpoint", b.Name, b.Type)
			}
			if b.Type == "azure_openai" && strings.TrimSpace(b.DefaultModel) == "" {
				return fmt.Errorf("config validation: backend %q type azure_openai requires default_model (Azure deployment name)", b.Name)
			}
		case "anthropic":
			if strings.TrimSpace(b.APIKey) == "" {
				return fmt.Errorf("config validation: backend %q type anthropic requires api_key", b.Name)
			}
			if strings.TrimSpace(b.DefaultModel) == "" {
				return fmt.Errorf("config validation: backend %q type anthropic requires default_model", b.Name)
			}
		case "bedrock":
			if strings.TrimSpace(b.AWSRegion) == "" {
				return fmt.Errorf("config validation: backend %q type bedrock requires aws_region", b.Name)
			}
			if strings.TrimSpace(b.DefaultModel) == "" {
				return fmt.Errorf("config validation: backend %q type bedrock requires default_model (Bedrock model ID)", b.Name)
			}
		case "gemini":
			// endpoint optional; empty uses https://generativelanguage.googleapis.com in adapter
			if strings.TrimSpace(b.APIKey) == "" {
				return fmt.Errorf("config validation: backend %q type gemini requires api_key", b.Name)
			}
			if strings.TrimSpace(b.DefaultModel) == "" {
				return fmt.Errorf("config validation: backend %q type gemini requires default_model", b.Name)
			}
		case "gemini_vertex":
			if strings.TrimSpace(b.VertexProject) == "" || strings.TrimSpace(b.VertexLocation) == "" {
				return fmt.Errorf("config validation: backend %q type gemini_vertex requires vertex_project and vertex_location", b.Name)
			}
			if strings.TrimSpace(b.APIKey) == "" {
				return fmt.Errorf("config validation: backend %q type gemini_vertex requires api_key (OAuth access token or compatible bearer)", b.Name)
			}
			if strings.TrimSpace(b.DefaultModel) == "" {
				return fmt.Errorf("config validation: backend %q type gemini_vertex requires default_model", b.Name)
			}
		default:
			return fmt.Errorf("config validation: unsupported backend type %q for backend %q", b.Type, b.Name)
		}