package ai

import "context"

// ToolResult holds the output of a tool execution.
type ToolResult struct {
	Content string `json:"content"`
	Error   string `json:"error,omitempty"`
}

// ToolHandler is the function signature for executing a tool.
type ToolHandler func(ctx context.Context, params map[string]any) (*ToolResult, error)

// ToolDefinition describes a registered tool.
type ToolDefinition struct {
	Slug            string
	Name            string
	Description     string
	ParameterSchema map[string]any
	Handler         ToolHandler
}

// ToolRegistry is the interface for registering AI tools.
// Plugins use this to register their custom tools.
// The CMS provides the concrete implementation.
type ToolRegistry interface {
	Register(tool *ToolDefinition)
}