use pr body text to mark PR region

.github/workflows/update_api.yml

@@ -48,8 +48,22 @@ jobs:
         echo UPDATE_NEEDED is "${UPDATE_NEEDED}"
         echo API version is "${API_VERSION}"
       continue-on-error: true
-    - name: Create Pull Request
+    - name: Create PR body text
       if: env.UPDATE_NEEDED == 'true'
+      run: |
+        touch pr_body.txt
+        echo "## Automated JSON API Update" >> pr_body.txt
+        echo "Hello! This is an automatic pull request to merge the new JSON API version **${API_VERSION}** into the master branch." >> pr_body.txt
+        echo "### Details" >> pr_body.txt
+        echo "- **Workflow Trigger**: This update is triggered by the **Update JSON API (recurring job)** workflow." >> pr_body.txt
+        echo "- **Reason for Update**: A new JSON schema version was generated that differs from the existing one in the repository." >> pr_body.txt
+        echo "### Notes" >> pr_body.txt
+        echo "- If you notice any issues or have questions regarding this update, please contact @alchem0x2a or other maintainers of the repository." >> pr_body.txt
+        echo "Thank you for keeping the SPARC-X-API project up-to-date! 🚀" >> pr_body.txt
+        cat pr_body.txt
+    - name: Create Pull Request
+      # Do not create PR from another PR
+      if: (env.UPDATE_NEEDED == 'true') && (github.event_name != 'pull_request')
       run: |
         git config --global user.email "[email protected]"
         git config --global user.name "Github Action Bot"
@@ -61,18 +75,10 @@ jobs:
         git add sparc/sparc_json_api/parameters.json
         git commit -m "Add new json api version ${API_VERSION}"
         git push --force --set-upstream origin ${BRANCH_NAME}
-        body_msg=""
-        body_msg="${body_msg}## Automated JSON API Update\n"
-        body_msg="${body_msg}Hello! This is an automatic pull request to merge the new JSON API version **${API_VERSION}** into the master branch.\n\n"
-        body_msg="${body_msg}### Details:\n"
-        body_msg="${body_msg}- **Workflow Trigger**: This update is triggered by the **Update JSON API (recurring job)** workflow.\n"
-        body_msg="${body_msg}- **Reason for Update**: A new JSON schema version was generated that differs from the existing one in the repository.\n\n"
-        body_msg="${body_msg}### Notes:\n"
-        body_msg="${body_msg}- If you notice any issues or have questions regarding this update, please contact @alchem0x2a or other maintainers of the repository.\n\n"
-        body_msg="${body_msg}Thank you for keeping the SPARC-X-API project up-to-date! 🚀\n"
+
         gh pr create --base master \
                      --title "[PR Bot] New JSON API version ${API_VERSION}"  \
-                     --body "${body_msg}" \
+                     --body-file pr_body.txt \
                      -R ${{ github.repository_owner }}/SPARC-X-API
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

doc/maintainers/github.md

@@ -24,7 +24,7 @@ setting](https://github.com/SPARC-X/SPARC-X-API/settings/pages) and
 set the "Source" to "Deploy from a branch", as well as "Branch" to
 "gh_pages", as shown in the UI screenshot below:
 
-![Github Pages Settings](img/screenshots/github_pages_setting.png)
+![Github Pages Settings](../img/screenshots/github_pages_setting.png)
 
 
 ### Secrets
@@ -54,7 +54,7 @@ files) for debug purposes, from the "Run workflow" drop panel in the
 page](https://github.com/SPARC-X/SPARC-X-API/actions/workflows), as
 shown in the screenshot below:
 
-![Github Actions Manual Dispatch](img/screenshots/github_action_dispatch.png)
+![Github Actions Manual Dispatch](../img/screenshots/github_action_dispatch.png)
 
 - [Unit-test
   workflow](https://github.com/SPARC-X/SPARC-X-API/blob/master/.github/workflows/unit_test.yml)
@@ -79,10 +79,17 @@ shown in the screenshot below:
 - [Update JSON schema
   workflow](https://github.com/SPARC-X/SPARC-X-API/blob/master/.github/workflows/update_api.yml)
   updates the JSON schema file after a new release in SPARC C/C++
-  source code.
+  source code. The workflow is run both nightly and after normal
+  push. You can change the behavior as needed.
 
-  The workflow is run both nightly and after normal push. Change the
-  behavior as needed.
+  An example pull request created by the update workflow can be seen
+  in the following screenshot:
+
+  ```{figure} ../img/screenshots/api_update_pr_github.png
+  :alt: PR on github
+  ```
+
+  Once the
 
 - [Publish PyPI
   workflow](https://github.com/SPARC-X/SPARC-X-API/blob/master/.github/workflows/publish-pypi.yml)

doc/maintainers/sparc-x-api.md

@@ -33,4 +33,4 @@ workflow. Instead, it uses the [OIDC
 protocol](https://docs.pypi.org/trusted-publishers/) for a trusted
 publisher. The current settings on PyPI are like follows:
 
-![pypi-setting](img/screenshots/pypi_publisher_setup.png)
+![pypi-setting](../img/screenshots/pypi_publisher_setup.png)