From e6aa0623b21352edd2e2ae1ce30e7d3305360e46 Mon Sep 17 00:00:00 2001
From: Agent <agent@Martys-Mac-mini.local>
Date: Mon, 16 Mar 2026 17:11:17 +0000
Subject: [PATCH] docs: add portability note for /usr/bin/git

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 6741395..fae0f8d 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@
 
 `gitw` is a **secure Git wrapper for macOS** that:
 
+> Portability note: `gitw` intentionally runs **only** `/usr/bin/git` (no PATH lookup) and enforces a code-signature requirement on that binary.
+
 - Allows **GitHub HTTPS only** (`https://github.com/...`).
 - Stores GitHub credentials in the **macOS Keychain**.
 - Authenticates via an **in-memory ASKPASS broker** over a **Unix domain socket** (one-time serve, timeout).