feat(kotlin-compose): design system + 33 components + gallery_kt + e2e android emulator + scaffolder fixes

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

bash/functions/infra/android_app_kill.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# android_app_kill — Force-stop a running Android app via am force-stop.
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+# shellcheck source=adb_wsl.sh
+source "$SCRIPT_DIR/adb_wsl.sh"
+
+android_app_kill() {
+    local serial pkg
+
+    adb_pick_serial "$@" || exit 3
+    local serial="$ADB_PICK_SERIAL"
+    set -- "${ADB_PICK_REST[@]}"
+
+    pkg="${1:?android_app_kill: package name required}"
+
+    adb_s "$serial" shell am force-stop "$pkg"
+    echo "killed $pkg on $serial"
+}
+
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+    android_app_kill "$@"
+fi