docs: publish bilingual manual standalone installation guides

scripts/verify-standalone-install.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+# Verify an already configured and running manual standalone installation.
+set -euo pipefail
+
+fail() {
+  echo "verify-standalone-install.sh: $*" >&2
+  exit 1
+}
+
+[[ $# -eq 1 ]] || fail "usage: $0 /absolute/path/to/thothii-installation.yaml"
+installation=$1
+[[ "$installation" = /* ]] || fail "installation path must be absolute"
+[[ -f "$installation" ]] || fail "installation descriptor not found: $installation"
+
+command -v tht >/dev/null 2>&1 || fail "tht is not on PATH; run bash scripts/install-tht.sh first"
+
+printf '%s\n' 'Running read-only installation doctor...'
+tht --installation "$installation" doctor --json
+printf '%s\n' 'Installation status:'
+tht --installation "$installation" status
+printf '%s\n' 'Manual standalone installation verification passed.'