feat(install,update): thread --summary/-Summary through sync and plugin steps

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

scripts/update.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+dry_run=false
+client=""
+platform=""
+summary=false
+while [ $# -gt 0 ]; do
+  case "$1" in
+    --dry-run) dry_run=true; shift ;;
+    --summary) summary=true; shift ;;
+    --client) client=${2:?--client requires a value}; shift 2 ;;
+    --platform) platform=${2:?--platform requires a value}; shift 2 ;;
+    *) printf 'Unknown argument: %s\n' "$1" >&2; exit 1 ;;
+  esac
+done
+
+root=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)
+. "$root/scripts/lib/plugins.sh"
+. "$root/scripts/lib/manifest.sh"
+. "$root/scripts/lib/install-targets.sh"
+
+platform=$(read_install_platform "$platform")
+client=$(read_install_client "$client")
+
+home_path=${HOME:?HOME is required}
+if [ "$dry_run" = false ]; then
+  mapfile -t destinations < <(get_install_destinations "$home_path" "$client")
+  if ! all_manifests_present "${destinations[@]}"; then
+    printf 'Not installed, use the install script.\n' >&2
+    exit 1
+  fi
+fi
+
+bash "$root/scripts/build.sh"
+generated="$root/generated"
+[ -d "$generated" ] || { printf 'Generated output is missing after a successful build.\n' >&2; exit 1; }
+
+stamp=$(date +%Y%m%d-%H%M%S)
+shell_command=bash
+windows_shell_command='powershell -NoProfile -ExecutionPolicy Bypass -File'
+
+while IFS='|' read -r source destination; do
+  ai_config_root=$destination
+  command -v cygpath >/dev/null && ai_config_root=$(cygpath -m "$destination")
+  sync_managed_destination "$source" "$destination" "$stamp" "$ai_config_root" "$shell_command" "$windows_shell_command" "$dry_run" "$summary"
+done < <(get_install_targets "$generated" "$home_path" "$platform" "$client")
+
+selected_plugins=()
+deselected_plugins=()
+select_configured_plugins "$root" "$client" Update "$dry_run" selected_plugins deselected_plugins
+install_configured_plugins "$root" "$client" "$dry_run" true selected_plugins "$summary"
+uninstall_deselected_plugins "$root" "$client" "$dry_run" deselected_plugins "$summary"
+
+if "$dry_run"; then printf 'PASS update dry-run\n'; else printf 'PASS update\n'; fi