Add comment on PR with PDF link

.github/workflows/run.yml

@@ -8,6 +8,7 @@ on:
 
 permissions:
   contents: write
+  pull-requests: write  # Add this for PR comments
 
 # Make sure we only ever run one per branch so we don't have issues pushing
 # after running the pipeline
@@ -58,6 +59,26 @@ jobs:
       - run: calkit save -am "Run pipeline"
         env:
           CALKIT_DVC_TOKEN: ${{ secrets.CALKIT_DVC_TOKEN }}
+      - name: Upload PDF artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: paper-pdf
+          path: paper/paper.pdf
+          if-no-files-found: warn
+      - name: Comment on PR with PDF link
+        if: github.event_name == 'pull_request'
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const fs = require('fs');
+            if (fs.existsSync('paper/paper.pdf')) {
+              github.rest.issues.createComment({
+                issue_number: context.issue.number,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                body: '📄 **Pipeline completed!** The generated PDF is available as an artifact in this workflow run: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}'
+              });
+            }
       - name: Save DVC cache
         id: cache-dvc-save
         uses: actions/cache/save@v4

dvc.lock

@@ -65,13 +65,13 @@ stages:
       nfiles: 2
     - path: paper/paper.tex
       hash: md5
-      md5: 09f2923d7ec5a75fefe95497d6e177cd
-      size: 678
+      md5: 1480301e18c57bf533d604e1a3593101
+      size: 653
     outs:
     - path: paper/paper.pdf
       hash: md5
-      md5: bff1721a57af4275b13af9dd8033ad9a
-      size: 95417
+      md5: 13ee8eb76f777de6242c16c15d054673
+      size: 94915
   _check_env_py:
     cmd: calkit check conda-env --file environment.yml --output 
       .calkit/env-locks/py.yml

paper/paper.tex

@@ -40,8 +40,6 @@ \section{Section 2}
 
 This is another sentence in the second section.
 
-This was added in a PR.
-
 %--/Paper--
 
 \end{document}