From 9c6090a208232a02d24817657433250bdb96ac5d Mon Sep 17 00:00:00 2001
From: YeonGyu-Kim <code.yeon.gyu@gmail.com>
Date: Tue, 12 May 2026 14:21:31 +0900
Subject: [PATCH] test: add typed test coercion helper

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
---
 src/testing/test-coerce-global.d.ts | 5 +++++
 test-setup.ts                       | 2 ++
 2 files changed, 7 insertions(+)
 create mode 100644 src/testing/test-coerce-global.d.ts

diff --git a/src/testing/test-coerce-global.d.ts b/src/testing/test-coerce-global.d.ts
new file mode 100644
index 000000000..cc1e618be
--- /dev/null
+++ b/src/testing/test-coerce-global.d.ts
@@ -0,0 +1,5 @@
+declare global {
+	function testCoerce<TValue>(value: TValue): TValue
+}
+
+export {}
diff --git a/test-setup.ts b/test-setup.ts
index e66350edb..6fbecdd57 100644
--- a/test-setup.ts
+++ b/test-setup.ts
@@ -11,6 +11,8 @@ const { restoreModuleMocks } = installModuleMockLifecycle(mock)
 let environmentSnapshot: NodeJS.ProcessEnv = { ...process.env }
 let workingDirectorySnapshot = process.cwd()
 
+globalThis.testCoerce = <TValue>(value: TValue): TValue => value
+
 function cleanupOmoCacheDir(cacheDir: string): void {
   rmSync(cacheDir, { recursive: true, force: true })
 }