Test suite modernization

tests/run_procgen_interactive.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+"""Standalone runner for the interactive procedural generation demo system.
+
+Run with: ./mcrogueface ../tests/run_procgen_interactive.py
+
+Or from the build directory:
+    ./mcrogueface --exec ../tests/run_procgen_interactive.py
+"""
+
+import sys
+import os
+
+# Add the tests directory to path
+tests_dir = os.path.dirname(os.path.abspath(__file__))
+if tests_dir not in sys.path:
+    sys.path.insert(0, tests_dir)
+
+# Import and run the demo system
+from procgen_interactive.main import main
+
+main()