ci: automate openapi artifact regeneration on release PRs

Author: gildesmarais

.github/release-please-config.json

@@ -4,7 +4,19 @@
       "release-type": "ruby",
       "package-name": "html2rss-web",
       "version-file": "config/version.rb",
-      "changelog-path": "CHANGELOG.md"
+      "changelog-path": "CHANGELOG.md",
+      "extra-files": [
+        {
+          "type": "json",
+          "path": "frontend/package.json",
+          "jsonpath": "$.version"
+        },
+        "public/openapi.yaml",
+        "frontend/src/api/generated/client.gen.ts",
+        "frontend/src/api/generated/sdk.gen.ts",
+        "frontend/src/api/generated/types.gen.ts",
+        "frontend/src/api/generated/index.ts"
+      ]
     }
   }
 }

.github/workflows/ci.yml

@@ -49,6 +49,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
+        with:
+          token: ${{ secrets.RELEASE_PLEASE_TOKEN || github.token }}
 
       - uses: ruby/setup-ruby@v1
         with:
@@ -71,7 +73,25 @@ jobs:
         working-directory: frontend
 
       - name: Verify generated OpenAPI spec and client are up to date
+        id: verify
         run: make openapi-verify
+        continue-on-error: ${{ startsWith(github.head_ref, 'release-please--') }}
+
+      - name: Regenerate and commit OpenAPI artifacts on release PRs
+        if: steps.verify.outcome == 'failure' && startsWith(github.head_ref, 'release-please--')
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+          
+          make openapi
+          make openapi-client
+          
+          git add public/openapi.yaml frontend/src/api/generated/
+          git commit -m "chore: regenerate openapi spec and client for version bump"
+          git push
+          
+          echo "## OpenAPI artifacts regenerated" >> "$GITHUB_STEP_SUMMARY"
+          echo "Version bump detected; OpenAPI spec and frontend client have been regenerated and committed." >> "$GITHUB_STEP_SUMMARY"
 
       - name: Lint OpenAPI contract
         run: make openapi-lint