From a5ff0e17a23e03d852145d1f8e8ced01279146a8 Mon Sep 17 00:00:00 2001
From: Kyle Tse <shtse8@gmail.com>
Date: Mon, 3 Aug 2026 19:14:20 +0000
Subject: [PATCH] ci: wire merge_group for Merge Queue admission

Agent-Native Queued Trunk (ADR-20260803): primary CI only.
---
 .github/workflows/ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 40b422f..45f01d5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,7 @@ name: CI
 # - Concurrency cancels superseded PR/branch tip runs
 
 on:
+  merge_group:
   workflow_dispatch:
   push:
     branches: [main]
@@ -16,7 +17,7 @@ permissions:
   contents: read
 concurrency:
   # Fast Trunk: supersede obsolete runs for the same PR or branch tip.
-  group: ci-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  group: ci-${{ github.workflow }}-${{ github.event.pull_request.number || github.event.merge_group.head_sha || github.ref }}
   cancel-in-progress: true
 
 jobs: