chore: back up playground cli sentry dashboard

Author: EnderOfWorlds007

.npmignore

@@ -1 +1,2 @@
 docs-internal/
+sentry/

sentry/README.md

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+# Sentry Dashboards
+
+Dashboard JSON backups live in `sentry/dashboards/`.
+
+Run `./sentry/backup-dashboards.sh` before editing dashboards through the Sentry API. A dashboard
+`PUT` replaces the full widget list, so the checked-in JSON is the source of truth for future
+modifications.
+
+Current dashboards:
+
+- `2143100` — Playground CLI Health

sentry/backup-dashboards.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+TOKEN=$(security find-generic-password -s sentry-api-token -w)
+BASE="https://de.sentry.io/api/0/organizations/paritytech"
+
+mkdir -p sentry/dashboards
+
+for id in 2143100; do
+    curl -sf \
+        -H "Authorization: Bearer ${TOKEN}" \
+        "${BASE}/dashboards/${id}/" \
+        | python3 -m json.tool > "sentry/dashboards/${id}.json"
+done