Add smoke test script for running Zork 1 through hybrid interpreter

Loads zork1.z3, creates ZMachine with TrivialZUI, and runs
interactively with graceful error handling for unimplemented opcodes.

scripts/run_zork1.py

@@ -0,0 +1,103 @@
+#!/usr/bin/env -S uv run --script
+"""Smoke test for hybrid z-machine interpreter with Zork 1."""
+
+import sys
+import traceback
+from pathlib import Path
+
+
+def main():
+    # Add src to path so we can import mudlib
+    project_root = Path(__file__).parent.parent
+    sys.path.insert(0, str(project_root / "src"))
+
+    from mudlib.zmachine import ZMachine
+    from mudlib.zmachine.trivialzui import create_zui
+    from mudlib.zmachine.zcpu import (
+        ZCpuError,
+        ZCpuNotImplemented,
+        ZCpuQuit,
+        ZCpuRestart,
+    )
+
+    print("=" * 60)
+    print("Z-Machine Interpreter Test: Zork 1")
+    print("=" * 60)
+    print()
+    print("Loading story file: content/stories/zork1.z3")
+
+    story_path = project_root / "content" / "stories" / "zork1.z3"
+
+    if not story_path.exists():
+        print(f"ERROR: Story file not found at {story_path}")
+        sys.exit(1)
+
+    with open(story_path, "rb") as f:
+        story_bytes = f.read()
+
+    print(f"Loaded {len(story_bytes)} bytes")
+    print()
+    print("Creating ZUI and ZMachine instance...")
+
+    ui = create_zui()
+    zmachine = ZMachine(story_bytes, ui, debugmode=False)
+
+    print("Starting interpreter...")
+    print("(Press Ctrl+C to exit)")
+    print()
+    print("-" * 60)
+    print()
+
+    try:
+        zmachine.run()
+        print()
+        print("-" * 60)
+        print("Interpreter exited normally.")
+
+    except ZCpuQuit:
+        print()
+        print("-" * 60)
+        print("Game quit via QUIT opcode.")
+
+    except ZCpuRestart:
+        print()
+        print("-" * 60)
+        print("Game requested restart via RESTART opcode.")
+        print("(Restart not implemented in this test script)")
+
+    except ZCpuNotImplemented as e:
+        print()
+        print("-" * 60)
+        print("FAILED: Unimplemented opcode encountered")
+        print(f"Error: {e}")
+        print()
+        traceback.print_exc()
+        sys.exit(1)
+
+    except ZCpuError as e:
+        print()
+        print("-" * 60)
+        print("FAILED: Z-Machine CPU error")
+        print(f"Error: {e}")
+        print()
+        traceback.print_exc()
+        sys.exit(1)
+
+    except KeyboardInterrupt:
+        print()
+        print()
+        print("-" * 60)
+        print("Interrupted by user (Ctrl+C)")
+
+    except Exception as e:
+        print()
+        print("-" * 60)
+        print("FAILED: Unexpected error")
+        print(f"Error: {e}")
+        print()
+        traceback.print_exc()
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()