Compress ROADMAP.md and archive completed test files

- Condensed 'Today's Achievements' section for clarity
- Archived 9 completed test files from bug fixing session
- Updated task completion status for issues fixed today
- Identified 5 remaining Alpha blockers as next priority

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

tests/issue73_simple_index_test.py

@@ -1,77 +0,0 @@
-#!/usr/bin/env python3
-"""
-Simple test for Issue #73: Entity.index() method
-"""
-
-def test_entity_index(timer_name):
-    """Test that Entity.index() method works correctly"""
-    import mcrfpy
-    import sys
-    
-    print("Testing Entity.index() method...")
-    
-    # Create test scene and grid
-    mcrfpy.createScene("test")
-    ui = mcrfpy.sceneUI("test")
-    
-    # Create grid with texture
-    texture = mcrfpy.Texture("assets/kenney_ice.png", 16, 16)
-    grid = mcrfpy.Grid(10, 10, texture, (10, 10), (400, 400))
-    ui.append(grid)
-    
-    # Clear any existing entities
-    while len(grid.entities) > 0:
-        grid.entities.remove(0)
-    
-    # Create entities
-    entity1 = mcrfpy.Entity((1, 1), texture, 1, grid)
-    entity2 = mcrfpy.Entity((2, 2), texture, 2, grid)
-    entity3 = mcrfpy.Entity((3, 3), texture, 3, grid)
-    
-    grid.entities.append(entity1)
-    grid.entities.append(entity2)
-    grid.entities.append(entity3)
-    
-    print(f"Created {len(grid.entities)} entities")
-    
-    # Test index() method
-    idx1 = entity1.index()
-    idx2 = entity2.index()
-    idx3 = entity3.index()
-    
-    print(f"Entity 1 index: {idx1}")
-    print(f"Entity 2 index: {idx2}")
-    print(f"Entity 3 index: {idx3}")
-    
-    assert idx1 == 0, f"Entity 1 should be at index 0, got {idx1}"
-    assert idx2 == 1, f"Entity 2 should be at index 1, got {idx2}"
-    assert idx3 == 2, f"Entity 3 should be at index 2, got {idx3}"
-    
-    print("✓ All entities report correct indices")
-    
-    # Test removal using index
-    remove_idx = entity2.index()
-    grid.entities.remove(remove_idx)
-    print(f"✓ Removed entity at index {remove_idx}")
-    
-    # Check remaining entities
-    assert len(grid.entities) == 2
-    assert entity1.index() == 0
-    assert entity3.index() == 1  # Should have shifted down
-    
-    print("✓ Indices updated correctly after removal")
-    
-    # Test entity not in grid
-    orphan = mcrfpy.Entity((5, 5), texture, 5, None)
-    try:
-        idx = orphan.index()
-        print(f"✗ Orphan entity should raise error but returned {idx}")
-    except RuntimeError as e:
-        print(f"✓ Orphan entity correctly raises error")
-    
-    print("\n✅ Entity.index() test PASSED")
-    sys.exit(0)
-
-# Execute the test after a short delay
-import mcrfpy
-mcrfpy.setTimer("test", test_entity_index, 100)