Add hendrik wrapper script for terminal command

hendrik

@@ -0,0 +1,13 @@
+#!/bin/bash
+# hendrik — wrapper to run the TUI agent from anywhere
+
+# Set HENDRIK_DIR env var to override, or update the default below
+DEFAULT_DIR="/home/ambadar-aji/experiment/hendrik"
+PROJECT_DIR="${HENDRIK_DIR:-$DEFAULT_DIR}"
+
+if [ ! -d "$PROJECT_DIR/.venv" ]; then
+    echo "Error: .venv not found at $PROJECT_DIR"
+    exit 1
+fi
+
+exec "$PROJECT_DIR/.venv/bin/python" "$PROJECT_DIR/hendrik.py" "$@"