[CI] Chore: Improve Linear Issue Check Syntax

.github/workflows/issue.yml

@@ -0,0 +1,36 @@
+name: Linked Issue
+
+on:
+  pull_request:
+    types: [opened, edited]
+
+env:
+  VALID_ISSUE_PREFIXES: "CNCT|DASH"
+
+jobs:
+  linear:
+    name: Linear
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check for linked issue
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const pr = await github.rest.pulls.get({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: context.issue.number
+            });
+
+            const body = pr.data.body || '';
+            const issueRegex = new RegExp(`(${process.env.VALID_ISSUE_PREFIXES})-\\d+`, 'i');
+
+            if (!issueRegex.test(body)) {
+              core.setFailed(
+                `No valid issue reference found. PR body must contain an issue ID with one of these prefixes: ${process.env.VALID_ISSUE_PREFIXES}`
+              );
+              return;
+            }
+
+            const matches = body.match(issueRegex);
+            console.log(`Found issue reference: ${matches[0]}`);