chore: import upstream snapshot with attribution

python/robomp/scripts/ping.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# POST a synthetic ping to /webhook/github, signed with $GITHUB_WEBHOOK_SECRET.
+set -euo pipefail
+
+: "${GITHUB_WEBHOOK_SECRET:?missing in .env}"
+: "${ROBOMP_BIND_PORT:=8080}"
+
+body='{"zen":"bun ping","hook_id":0}'
+sig="sha256=$(printf '%s' "$body" | openssl dgst -sha256 -hmac "$GITHUB_WEBHOOK_SECRET" -r | awk '{print $1}')"
+
+curl -fsS -X POST "http://localhost:${ROBOMP_BIND_PORT}/webhook/github" \
+  -H 'Content-Type: application/json' \
+  -H 'X-GitHub-Event: ping' \
+  -H "X-GitHub-Delivery: bun-$(date +%s)" \
+  -H "X-Hub-Signature-256: $sig" \
+  --data "$body"
+echo