ci: Annotate PR descriptions with branch and user info

.github/workflows/pr-branch-info.yml

@@ -0,0 +1,42 @@
+name: Add branch info to PR description
+
+on:
+  pull_request:
+    types: [opened, reopened]
+
+permissions:
+  pull-requests: write
+
+jobs:
+  add-branch-info:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Append branch info to PR description
+        env:
+          GH_TOKEN: ${{ github.token }}
+          PR_SOURCE_USER: ${{ github.event.pull_request.head.user.login }}
+          PR_TARGET_USER: ${{ github.event.pull_request.base.user.login }}
+          PR_HEAD_REF: ${{ github.head_ref }}
+          PR_BASE_REF: ${{ github.base_ref }}
+        run: |
+          PR_NUMBER="${{ github.event.pull_request.number }}"
+          CURRENT_BODY="$(gh pr view "$PR_NUMBER" --repo "${{ github.repository }}" --json body --jq '.body // ""')"
+
+          if printf '%s' "$CURRENT_BODY" | grep -q '<!-- branch-info -->'; then
+            echo "Branch info already present, skipping."
+            exit 0
+          fi
+
+          {
+            printf '%s\n' "$CURRENT_BODY"
+            printf '\n'
+            printf '%s\n' '<!-- branch-info (auto-generated by workflow, do not edit) -->'
+            printf '%s\n' '## Branch info'
+            printf '\n'
+            printf '%s\n' "- Source user: \`$PR_SOURCE_USER\`"
+            printf '%s\n' "- Source branch: \`$PR_HEAD_REF\`"
+            printf '%s\n' "- Target user: \`$PR_TARGET_USER\`"
+            printf '%s\n' "- Target branch: \`$PR_BASE_REF\`"
+          } > "$RUNNER_TEMP/body.md"
+
+          gh pr edit "$PR_NUMBER" --repo "${{ github.repository }}" --body-file "$RUNNER_TEMP/body.md"

CHANGELOG.md

@@ -49,6 +49,7 @@ Please mark all change in change log and use the issue from GitHub
 - [#56](https://github.com/BossZou/jaclks/pull/56) cancel windows platform support
 - [#58](https://github.com/BossZou/jaclks/pull/58) Remove windows support badge and update Supported Platforms
 - [#61](https://github.com/BossZou/jaclks/pull/61) Set BossZou as project code onwer
+- [#65](https://github.com/BossZou/jaclks/pull/65) Annotate PR descriptions with source/target branch and user info
 
 ## Document
 - [#22](https://github.com/BossZou/jaclks/pull/22) Add license Apache 2.0 and code quality badge