fix(bin): support scoped lazycodex wrapper

bin/platform.test.ts

@@ -2,11 +2,25 @@
 import { describe, expect, test } from "bun:test";
 import {
   getBinaryPath,
+  getPackageBareName,
   getPlatformPackage,
   getPlatformPackageCandidates,
   resolvePlatformPackageBaseName,
 } from "./platform.js";
 
+describe("getPackageBareName", () => {
+  test("strips npm scope from package name", () => {
+    // #given
+    const packageName = "@code-yeongyu/lazycodex";
+
+    // #when
+    const bareName = getPackageBareName(packageName);
+
+    // #then
+    expect(bareName).toBe("lazycodex");
+  });
+});
+
 describe("resolvePlatformPackageBaseName", () => {
   test("maps lazycodex wrapper to oh-my-opencode platform package family", () => {
     // #given
@@ -19,6 +33,17 @@ describe("resolvePlatformPackageBaseName", () => {
     expect(resolvedPlatformBase).toBe("oh-my-opencode");
   });
 
+  test("maps scoped lazycodex wrapper to oh-my-opencode platform package family", () => {
+    // #given
+    const wrapperPackageName = "@code-yeongyu/lazycodex";
+
+    // #when
+    const resolvedPlatformBase = resolvePlatformPackageBaseName(wrapperPackageName);
+
+    // #then
+    expect(resolvedPlatformBase).toBe("oh-my-opencode");
+  });
+
   test("keeps oh-my-opencode wrapper mapped to oh-my-opencode platform package family", () => {
     // #given
     const wrapperPackageName = "oh-my-opencode";