feat(validation): add validation scripts for Wild Cloud app packages

admin/scripts/validate-app.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+# Validate a Wild Cloud app package before submitting.
+#
+# Usage:
+#   From your app directory:      ../../admin/scripts/validate-app.sh
+#   From wild-directory root:     admin/scripts/validate-app.sh <app-name>
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+WILD_DIR="$(cd "$SCRIPT_DIR/../.." && pwd)"
+
+if [ $# -ge 1 ]; then
+    APP_NAME="$1"
+else
+    CURRENT="$(pwd)"
+    if [[ "$CURRENT" == "$WILD_DIR"/* ]]; then
+        RELATIVE="${CURRENT#"$WILD_DIR"/}"
+        APP_NAME="${RELATIVE%%/*}"
+    else
+        echo "Usage: validate-app.sh <app-name>" >&2
+        echo "  or run from inside your app directory." >&2
+        exit 1
+    fi
+fi
+
+if [ ! -d "$WILD_DIR/$APP_NAME" ]; then
+    echo "App not found: $APP_NAME" >&2
+    exit 1
+fi
+
+echo "Validating: $APP_NAME"
+python3 "$SCRIPT_DIR/validate-apps.py" "$APP_NAME"