Add Panama system health diagnostics

tests/quickshell/fixtures/doctor/bin/vicinae

@@ -0,0 +1,9 @@
+#!/usr/bin/bash
+
+set -euo pipefail
+
+case "${1:-}" in
+    --version) printf 'Vicinae 0.26.0 fixture-secret-token\n' ;;
+    ping) exit 0 ;;
+    *) exit 2 ;;
+esac