code cleanup. gismeteo prompt injection

src/types/index.ts

@@ -8,12 +8,12 @@ export type TextResult = {
     isError?: boolean;
 };
 
-export type ToolDef = {
+export type ToolDef<T = (string | TextResult)> = {
     title: string;
     config: {
         description: string;
-        inputSchema: ZodRawShape,
+        inputSchema?: ZodRawShape,
     };
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    handler: (...args: any[]) => Promise<TextResult>;
+    handler: (...args: any[]) => Promise<T>;
 };