Add Slack notification for new/reopened issues

.github/workflows/slack-issues.yml

@@ -0,0 +1,51 @@
+name: Notify Slack on Issues
+permissions:
+  contents: read
+on:
+  issues:
+    types: [opened, reopened]  # New issues AND reopened issues
+jobs:
+  notify:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send to Slack
+        env:
+          ACTION: ${{ github.event.action }}
+          ISSUE_NUMBER: ${{ github.event.issue.number }}
+          ISSUE_TITLE: ${{ github.event.issue.title }}
+          ISSUE_URL: ${{ github.event.issue.html_url }}
+          ISSUE_USER: ${{ github.event.issue.user.login }}
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL_ISSUES }}
+        run: |
+          if [ "$ACTION" = "opened" ]; then
+            EMOJI="🆕"
+            TEXT="New Issue"
+          else
+            EMOJI="🔄"
+            TEXT="Issue Reopened"
+          fi
+          
+          # Use jq to safely construct JSON payload (handles special characters in title)
+          PAYLOAD=$(jq -n \
+            --arg emoji "$EMOJI" \
+            --arg text "$TEXT" \
+            --arg number "$ISSUE_NUMBER" \
+            --arg title "$ISSUE_TITLE" \
+            --arg url "$ISSUE_URL" \
+            --arg user "$ISSUE_USER" \
+            '{
+              text: "\($emoji) \($text): #\($number) \($title)",
+              blocks: [
+                {
+                  type: "section",
+                  text: {
+                    type: "mrkdwn",
+                    text: "\($emoji) *\($text)*\n<\($url)|#\($number): \($title)>\nBy: \($user)"
+                  }
+                }
+              ]
+            }')
+          
+          curl --fail -X POST -H 'Content-type: application/json' \
+            --data "$PAYLOAD" \
+            "$SLACK_WEBHOOK_URL"