changes

lib/tools/types.ts

@@ -0,0 +1,13 @@
+/**
+ * Tool types and interfaces
+ */
+
+// Tool execution result
+export interface ToolResult {
+  success: boolean;
+  result?: string;
+  error?: string;
+}
+
+// Tool handler function type
+export type ToolHandler = (args: Record<string, unknown>) => Promise<ToolResult>;