feat(clone-app): Unity tool wrappers (Il2CppInspectorRedux, AssetRipper)

plugins/clone-app/skills/clone-app/scripts/il2cpp-dump.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+# Recover the C# type model from a Unity IL2CPP build via Il2CppInspectorRedux.
+# Flags follow the Il2CppInspector CLI; adjust to your installed CLI version if
+# they differ. Only the tool-missing path is exercised by tests.
+set -uo pipefail
+
+SO="${1:-}"; META="${2:-}"; OUT="${3:-}"
+if [[ -z "$SO" || -z "$META" || -z "$OUT" ]]; then
+  echo "ERROR: usage: il2cpp-dump.sh <libil2cpp.so> <global-metadata.dat> <out-dir>" >&2
+  exit 2
+fi
+
+BIN="${IL2CPP_INSPECTOR_CLI:-Il2CppInspector}"
+if ! command -v "$BIN" >/dev/null 2>&1; then
+  cat >&2 <<'EOF'
+ERROR: Il2CppInspectorRedux CLI not found.
+Install it (needs the .NET SDK): https://github.com/LukeFZ/Il2CppInspectorRedux
+Build the CLI, put it on PATH, or set IL2CPP_INSPECTOR_CLI=/path/to/cli.
+EOF
+  exit 3
+fi
+
+mkdir -p "$OUT"
+# Produce C# stub headers + a metadata JSON describing types/methods/fields.
+"$BIN" --bin "$SO" --metadata "$META" \
+       --select-outputs --cs-out "$OUT/types.cs" --json-out "$OUT/metadata.json"

plugins/clone-app/skills/clone-app/scripts/unity-assets.sh

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+#!/usr/bin/env bash
+# Extract Unity game assets (textures, sprites, audio, scenes, prefabs) from an
+# APK via AssetRipper's CLI. Only the tool-missing path is exercised by tests.
+set -uo pipefail
+
+APK="${1:-}"; OUT="${2:-}"
+if [[ -z "$APK" || -z "$OUT" ]]; then
+  echo "ERROR: usage: unity-assets.sh <apk> <out-dir>" >&2
+  exit 2
+fi
+
+BIN="${ASSETRIPPER_CLI:-AssetRipper}"
+if ! command -v "$BIN" >/dev/null 2>&1; then
+  cat >&2 <<'EOF'
+ERROR: AssetRipper CLI not found.
+Install it (needs the .NET runtime): https://github.com/AssetRipper/AssetRipper
+Put the CLI on PATH, or set ASSETRIPPER_CLI=/path/to/AssetRipper.
+EOF
+  exit 3
+fi
+
+mkdir -p "$OUT"
+"$BIN" "$APK" -o "$OUT"

plugins/clone-app/tests/test-unity-wrappers.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -uo pipefail
+HERE="$(cd "$(dirname "$0")" && pwd)"
+S="$HERE/../skills/clone-app/scripts"
+fail=0
+check() {
+  local desc="$1" expected="$2" actual="$3"
+  if [[ "$expected" == "$actual" ]]; then echo "PASS: $desc"
+  else echo "FAIL: $desc — expected '$expected' got '$actual'"; fail=1; fi
+}
+
+# usage errors → exit 2
+bash "$S/il2cpp-dump.sh" >/dev/null 2>&1; check "il2cpp usage" "2" "$?"
+bash "$S/unity-assets.sh" >/dev/null 2>&1; check "assets usage" "2" "$?"
+
+# tool missing → exit 3 + guidance text on stderr
+err="$(IL2CPP_INSPECTOR_CLI=/no/such/bin bash "$S/il2cpp-dump.sh" a b c 2>&1 >/dev/null)"; rc=$?
+check "il2cpp missing exit 3" "3" "$rc"
+grep -q "Il2CppInspectorRedux" <<<"$err" && echo "PASS: il2cpp guidance" || { echo "FAIL: il2cpp guidance"; fail=1; }
+
+err="$(ASSETRIPPER_CLI=/no/such/bin bash "$S/unity-assets.sh" a b 2>&1 >/dev/null)"; rc=$?
+check "assets missing exit 3" "3" "$rc"
+grep -q "AssetRipper" <<<"$err" && echo "PASS: assets guidance" || { echo "FAIL: assets guidance"; fail=1; }
+
+exit $fail