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_clear.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# android_app_clear — Wipe app data + cache via pm clear. App stays installed.
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+# shellcheck source=./adb_wsl.sh
+source "$SCRIPT_DIR/adb_wsl.sh"
+
+# ---------------------------------------------------------------------------
+# android_app_clear [--serial <S>] <package>
+#
+# --serial <S>  Optional target device/emulator serial.
+# package       App package whose data+cache to clear (e.g. com.example.app).
+#
+# Calls: adb shell pm clear <package>
+# The app remains installed but is reset to factory state (no data, no cache).
+# Exit 0 on success, exit 1 on bad args, exit 3 if no device found.
+# ---------------------------------------------------------------------------
+android_app_clear() {
+    adb_pick_serial "$@" || exit 3
+    local serial="$ADB_PICK_SERIAL"
+    set -- "${ADB_PICK_REST[@]}"
+
+    local pkg="${1:-}"
+    if [[ -z "$pkg" ]]; then
+        echo "android_app_clear: se requiere <package> como argumento." >&2
+        return 1
+    fi
+
+    adb_s "$serial" shell pm clear "$pkg"
+    echo "cleared data for $pkg on $serial"
+}
+
+# Run directly if not sourced
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+    android_app_clear "$@"
+fi