Configure: make model picker allowlist searchable

src/commands/model-picker.e2e.test.ts

@@ -142,8 +142,10 @@ describe("promptModelAllowlist", () => {
 
     await promptModelAllowlist({ config, prompter });
 
-    const options = multiselect.mock.calls[0]?.[0]?.options ?? [];
+    const call = multiselect.mock.calls[0]?.[0];
+    const options = call?.options ?? [];
     expectRouterModelFiltering(options as Array<{ value: string }>);
+    expect(call?.searchable).toBe(true);
   });
 
   it("filters to allowed keys when provided", async () => {

src/commands/model-picker.ts

@@ -424,6 +424,7 @@ export async function promptModelAllowlist(params: {
     message: params.message ?? "Models in /model picker (multi-select)",
     options,
     initialValues: initialKeys.length > 0 ? initialKeys : undefined,
+    searchable: true,
   });
   const selected = normalizeModelKeys(selection.map((value) => String(value)));
   if (selected.length > 0) {

src/wizard/clack-prompter.ts

@@ -1,4 +1,5 @@
 import {
+  autocompleteMultiselect,
   cancel,
   confirm,
   intro,
@@ -47,9 +48,10 @@ export function createClackPrompter(): WizardPrompter {
           initialValue: params.initialValue,
         }),
       ),
-    multiselect: async (params) =>
-      guardCancel(
-        await multiselect({
+    multiselect: async (params) => {
+      const prompt = params.searchable ? autocompleteMultiselect : multiselect;
+      return guardCancel(
+        await prompt({
           message: stylePromptMessage(params.message),
           options: params.options.map((opt) => {
             const base = { value: opt.value, label: opt.label };
@@ -57,7 +59,8 @@ export function createClackPrompter(): WizardPrompter {
           }) as Option<(typeof params.options)[number]["value"]>[],
           initialValues: params.initialValues,
         }),
-      ),
+      );
+    },
     text: async (params) => {
       const validate = params.validate;
       return guardCancel(

src/wizard/prompts.ts

@@ -14,6 +14,7 @@ export type WizardMultiSelectParams<T = string> = {
   message: string;
   options: Array<WizardSelectOption<T>>;
   initialValues?: T[];
+  searchable?: boolean;
 };
 
 export type WizardTextParams = {