Notify sneak's ntfy topic on every CI deploy (closes #48)

Add a notify job to the deploy workflow that posts an ntfy message on
success or failure, using the topic from secrets.NTFY_TOPIC.

Model: deepseek-v4-pro

.gitea/workflows/deploy.yml

@@ -108,3 +108,39 @@ jobs:
               run: wrangler pages deploy public --project-name=lora-vegas --branch=${{ github.ref_name }}
               env:
                   CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+
+    notify:
+        runs-on: ubuntu-latest
+        needs: [build, deploy]
+        # Run whether the build and deploy passed or failed, and never turn a
+        # deploy that worked into a failed check: a notification that cannot be
+        # sent must leave the deploy's result exactly as it was.
+        if: always()
+        continue-on-error: true
+        container:
+            # node 20.20.2-bookworm, 2026-08-09. Same pinned image as the deploy
+            # job, chosen because it ships curl; no extra packages to install.
+            image: node@sha256:8f693eaa7e0a8e71560c9a82b55fd54c2ae920a2ba5d2cde28bac7d1c01c9ba5
+        steps:
+            # needs.deploy.result is "success" only when the deploy job actually
+            # published; anything else -- a failed build, a failed deploy, a
+            # cancelled run -- is reported as a failure with a link to the run.
+            - name: Notify
+              env:
+                  RESULT: ${{ needs.deploy.result }}
+                  NTFY_TOPIC: ${{ secrets.NTFY_TOPIC }}
+              run: |
+                  short="$(printf '%.7s' "$GITHUB_SHA")"
+                  run_url="$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
+                  if [ "$RESULT" = success ]; then
+                      curl -fsS \
+                          -H "Title: lora.vegas deployed from $GITHUB_REF_NAME" \
+                          -d "$short deployed to https://lora.vegas/" \
+                          "https://ntfy.sh/$NTFY_TOPIC"
+                  else
+                      curl -fsS \
+                          -H "Title: lora.vegas deploy failed" \
+                          -H "Priority: high" \
+                          -d "Run: $run_url" \
+                          "https://ntfy.sh/$NTFY_TOPIC"
+                  fi