fix(ask): always allow custom select answers

pi-ask-user/src/normalize.ts

@@ -45,9 +45,6 @@ export function normalizeQuestions(input: readonly QuestionInput[]): NormalizedQ
       throw new Error(`questions[${index}].type must be select or text`);
     }
 
-    if (question.allowCustom !== undefined && typeof question.allowCustom !== "boolean") {
-      throw new Error(`questions[${index}].allowCustom must be a boolean`);
-    }
     if (question.required !== undefined && typeof question.required !== "boolean") {
       throw new Error(`questions[${index}].required must be a boolean`);
     }
@@ -77,7 +74,6 @@ export function normalizeQuestions(input: readonly QuestionInput[]): NormalizedQ
       prompt,
       type: question.type,
       options,
-      allowCustom: question.type === "select" && question.allowCustom !== false,
       required: question.required !== false,
     };
   });

pi-ask-user/src/schema.ts

@@ -20,9 +20,8 @@ const QuestionSchema = Type.Object({
   type: Type.String({ enum: ["select", "text"], description: "select for choices; text for a free-form answer" }),
   options: Type.Optional(Type.Array(OptionSchema, {
     maxItems: MAX_OPTIONS,
-    description: "Required and non-empty for select questions; omit for text questions",
+    description: "Required and non-empty for select questions; omit for text questions. The tool always appends a free-form answer choice.",
   })),
-  allowCustom: Type.Optional(Type.Boolean({ description: "For select questions, append a free-form answer choice (default: true)" })),
   required: Type.Optional(Type.Boolean({ description: "Whether the question must be answered (default: true); optional questions can be skipped" })),
 });
 

pi-ask-user/src/types.ts

@@ -12,7 +12,6 @@ export interface QuestionInput {
   prompt: string;
   type: QuestionType;
   options?: QuestionOptionInput[];
-  allowCustom?: boolean;
   required?: boolean;
 }
 
@@ -22,7 +21,6 @@ export interface NormalizedQuestion {
   prompt: string;
   type: QuestionType;
   options: QuestionOptionInput[];
-  allowCustom: boolean;
   required: boolean;
 }
 

pi-ask-user/src/view.ts

@@ -82,7 +82,7 @@ export class AskUserView implements Component, Focusable {
     const question = this.currentQuestion();
     if (!question || question.type !== "select") return [];
     const options: RenderOption[] = question.options.map((option) => ({ ...option, kind: "option" }));
-    if (question.allowCustom) options.push({ value: "", label: "Type something.", kind: "custom" });
+    options.push({ value: "", label: "Type something.", kind: "custom" });
     if (!question.required) options.push({ value: "", label: "Skip this question.", kind: "skip" });
     return options;
   }