fix(ci): auto-merge用head sha查CI状态

.gitea/workflows/auto-merge.yml

@@ -7,7 +7,7 @@ on:
 jobs:
   auto-merge:
     name: Auto Merge on CI Green + Approved
-    runs-on: ci-l1
+    runs-on: ci-check
     if: github.event_name == 'pull_request' && !github.event.pull_request.draft && github.event.pull_request.base.ref == 'develop'
     timeout-minutes: 30
     steps:
@@ -20,6 +20,7 @@ jobs:
           GITHUB_TOKEN: ${{ github.token }}
           MERGE_TOKEN: ${{ secrets.REVIEW_GITEA_TOKEN }}
           PR_NUMBER: ${{ github.event.pull_request.number }}
+          PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
           BASE_REF: ${{ github.event.pull_request.base.ref }}
         run: |
           set -eu
@@ -65,7 +66,7 @@ jobs:
 
             # 检查CI状态
             for ctx in "${CONTEXTS[@]}"; do
-              STATE=$(python3 scripts/check_ci_status.py "$GITHUB_TOKEN" "$GITHUB_REPOSITORY" "$GITHUB_SHA" "$ctx")
+              STATE=$(python3 scripts/check_ci_status.py "$GITHUB_TOKEN" "$GITHUB_REPOSITORY" "$PR_HEAD_SHA" "$ctx")
               echo "  CI: ${ctx##*/}: $STATE"
               if [ "$STATE" != "success" ]; then
                 ALL_SUCCESS=false