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_launch.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# android_app_launch — Launch an Android app via adb am start or monkey LAUNCHER intent.
+# Usage: android_app_launch [--serial <S>] <package> [<activity>]
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/adb_wsl.sh"
+
+android_app_launch() {
+    adb_pick_serial "$@" || exit 3
+    local serial="$ADB_PICK_SERIAL"
+    set -- "${ADB_PICK_REST[@]}"
+
+    local pkg="${1:-}"
+    local activity="${2:-}"
+
+    if [[ -z "$pkg" ]]; then
+        echo "android_app_launch: package is required." >&2
+        return 1
+    fi
+
+    if [[ -n "$activity" ]]; then
+        adb_s "$serial" shell am start -n "$pkg/$activity"
+    else
+        adb_s "$serial" shell monkey -p "$pkg" -c android.intent.category.LAUNCHER 1
+    fi
+
+    echo "launched $pkg on $serial"
+}
+
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+    android_app_launch "$@"
+fi