fix: installer token filter, plist env slots; VERSION 0.33.1

scripts/install-webhook.sh

@@ -19,7 +19,7 @@ infisical_get() {
     [ -x "$OIKOS_CLI" ] || return 1
     (cd "$HOME/Projects/oikos" && set -a && . ./.env 2>/dev/null && set +a \
         && OIKOS_INFISICAL_SITE_URL=http://localhost:8080 "$OIKOS_CLI" secret get "$1" 2>/dev/null) \
-        | grep -E '^[0-9a-f]{40,}$' | head -n1
+        | grep -v '^{' | grep -v '^$' | head -n1
 }
 
 HMAC="${WEBHOOK_HMAC_SECRET:-$(infisical_get webhook_hmac-secret || true)}"