feat: improve ask flow elaboration and validation

src/result.ts

@@ -1,11 +1,22 @@
-import { CANCELLED_RESULT_TEXT, SUBMITTED_RESULT_TEXT } from "./constants.ts";
-import { formatResultLines } from "./result-format.ts";
+import {
+	CANCELLED_RESULT_TEXT,
+	ELABORATED_RESULT_TEXT,
+	SUBMITTED_RESULT_TEXT,
+} from "./constants.ts";
+import { formatElaborationLines, formatResultLines } from "./result-format.ts";
 import type { AskResult } from "./types.ts";
 
 export function renderResultText(result: AskResult): string {
+	if (result.error) {
+		return "Invalid input";
+	}
 	if (result.cancelled) {
 		return CANCELLED_RESULT_TEXT;
 	}
+	if (result.mode === "elaborate") {
+		const lines = formatElaborationLines(result, { mode: "render" });
+		return lines.join("\n") || ELABORATED_RESULT_TEXT;
+	}
 
 	const lines = formatResultLines(result, { mode: "render" });
 	return lines.join("\n") || SUBMITTED_RESULT_TEXT;