From 963a3383df298ea5f4ba1af5758e08847a6e8da9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9B=B7=E7=94=B5=E8=8A=BD=E8=A1=A3?=
 <1+zacharyzhang-ny@noreply.git.zacharyzhang.com>
Date: Fri, 9 Oct 2026 19:46:41 +0000
Subject: [PATCH] docs: add AGit pull request instructions

---
 CONTRIBUTING.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 98be4b5..94c51d6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -20,3 +20,17 @@ cargo deny check advisories
   first-party endpoints lives in `crates/codegen/kigi-env`.
 - Upstream syncs are evaluated commit-by-commit and cherry-picked manually;
   see the PRD §8.1 policy (`git range-diff` records the adopted set).
+
+## Opening a pull request on git.zacharyzhang.com
+
+Forking is disabled on this server. Open pull requests with AGit instead:
+
+1. Register an account at https://git.zacharyzhang.com
+2. Clone, commit your changes, then push to a `refs/for/<target-branch>` ref:
+
+   ```bash
+   git clone https://git.zacharyzhang.com/ZacharyZhang-NY/Kigi-CLI.git
+   git push origin HEAD:refs/for/main -o topic=<short-name> -o title="<PR title>" -o description="<PR body>"
+   ```
+
+3. To update the pull request, push again with the same `topic`.