Revert "refactor(ci): upstream digest now emails instead of opening public issue"

This reverts commit 53a7d28.

Author: fidgetcoding

.github/workflows/upstream-digest.yml

@@ -13,6 +13,7 @@ on:
 
 permissions:
   contents: read
+  issues: write
 
 jobs:
   digest:
@@ -75,17 +76,24 @@ jobs:
           echo "empty=false" >> "$GITHUB_OUTPUT"
           echo "tip=${TIP}" >> "$GITHUB_OUTPUT"
 
-      - name: Email digest to Nathan
+      - name: Ensure label exists
         if: steps.digest.outputs.empty == 'false'
-        uses: dawidd6/action-send-mail@v3
-        with:
-          server_address: smtp.gmail.com
-          server_port: 465
-          secure: true
-          username: ${{ secrets.MAIL_USERNAME }}
-          password: ${{ secrets.MAIL_PASSWORD }}
-          subject: "[fidgetflo] upstream-digest: ruflo @ ${{ steps.digest.outputs.tip }}"
-          to: nate@lorecraft.io
-          from: fidgetflo upstream digest <${{ secrets.MAIL_USERNAME }}>
-          body: file://digest.md
-          convert_markdown: true
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh label create upstream-digest \
+            --color B5E853 \
+            --description "Weekly digest of ruvnet/ruflo activity" \
+            --repo "${{ github.repository }}" 2>/dev/null || true
+
+      - name: Open digest issue
+        if: steps.digest.outputs.empty == 'false'
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          TITLE="upstream-digest: ruflo @ $(date -u +%Y-%m-%d) (tip ${{ steps.digest.outputs.tip }})"
+          gh issue create \
+            --repo "${{ github.repository }}" \
+            --title "$TITLE" \
+            --body-file digest.md \
+            --label upstream-digest