TPT-4298: Added PR title checking to lint workflow and new clean up release notes workflow (linode#913)

* Added PR title checking to lint and clean up release notes

* Fixed CoPilot suggestions

* Exclude dependabot PRs from PR title validation

* Address CoPilot suggestions

* Add exemptions for hotfixes and external contributions

* Switch to using amannn/action-semantic-pull-request@v6 for title validation

* Add exemption for dependencies label and remove dependabot author check

Author: ezilber-akamai

.github/workflows/ci.yml

@@ -19,7 +19,35 @@ on:
 jobs:
   lint-tidy:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
     steps:
+      # Enforce TPT-1234: prefix on PR titles, with the following exemptions:
+      # - PRs labeled 'dependencies' (e.g. Dependabot PRs)
+      # - PRs labeled 'hotfix' (urgent fixes that may not have a ticket)
+      # - PRs labeled 'community-contribution' (external contributors without TPT tickets)
+      # - PRs labeled 'ignore-for-release' (release PRs that don't need a ticket prefix)
+      - name: Validate PR Title
+        if: github.event_name == 'pull_request'
+        uses: amannn/action-semantic-pull-request@v6
+        with:
+          types: |
+            TPT-\d+
+          requireScope: false
+          # Override the default header pattern to allow hyphens and digits in the type
+          # (e.g. "TPT-4298: Description"). The default pattern only matches word
+          # characters (\w) which excludes hyphens.
+          headerPattern: '^([\w-]+):\s?(.*)$'
+          headerPatternCorrespondence: type, subject
+          ignoreLabels: |
+            dependencies
+            hotfix
+            community-contribution
+            ignore-for-release
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+
       - uses: actions/checkout@v6
       - uses: actions/setup-go@v6
         with:

.github/workflows/clean-release-notes.yml

@@ -0,0 +1,37 @@
+name: Clean Release Notes
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  clean-release-notes:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Remove ticket prefixes from release notes
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const release = context.payload.release;
+
+            let body = release.body;
+
+            if (!body) {
+              console.log("Release body empty, nothing to clean.");
+              return;
+            }
+
+            // Remove ticket prefixes like "TPT-1234: " or "TPT-1234:"
+            body = body.replace(/TPT-\d+:\s*/g, '');
+
+            await github.rest.repos.updateRelease({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              release_id: release.id,
+              body: body
+            });
+
+            console.log("Release notes cleaned.");