feature/capability-based-deps (#53)

Reviewed-on: #53
Co-authored-by: David Gwilliam <dhgwilliam@gmail.com>
Co-committed-by: David Gwilliam <dhgwilliam@gmail.com>

test_ui_simple.py

@@ -0,0 +1,56 @@
+"""
+Simple test for UIPanel integration.
+"""
+
+from engine.pipeline.ui import UIPanel, UIConfig, StageControl
+
+# Create panel
+panel = UIPanel(UIConfig(panel_width=24))
+
+# Add some mock stages
+panel.register_stage(
+    type(
+        "Stage", (), {"name": "noise", "category": "effect", "is_enabled": lambda: True}
+    ),
+    enabled=True,
+)
+panel.register_stage(
+    type(
+        "Stage", (), {"name": "fade", "category": "effect", "is_enabled": lambda: True}
+    ),
+    enabled=False,
+)
+panel.register_stage(
+    type(
+        "Stage",
+        (),
+        {"name": "glitch", "category": "effect", "is_enabled": lambda: True},
+    ),
+    enabled=True,
+)
+panel.register_stage(
+    type(
+        "Stage",
+        (),
+        {"name": "font", "category": "transform", "is_enabled": lambda: True},
+    ),
+    enabled=True,
+)
+
+# Select first stage
+panel.select_stage("noise")
+
+# Render at 80x24
+lines = panel.render(80, 24)
+print("\n".join(lines))
+
+print("\nStage list:")
+for name, ctrl in panel.stages.items():
+    print(f"  {name}: enabled={ctrl.enabled}, selected={ctrl.selected}")
+
+print("\nToggle 'fade' and re-render:")
+panel.toggle_stage("fade")
+lines = panel.render(80, 24)
+print("\n".join(lines))
+
+print("\nEnabled stages:", panel.get_enabled_stages())