Update core/execution/executor.py

Update core/execution/context.py

Update core/builders/api_builder.py

Update core/builders/ui_builder.py

Create core/builders/docs_builder.py

Update core/registry/tasks_registry.py

Update core/registry/loader.py

Update core/registry/tasks_registry.py

Update core/builders/ui_builder.py

Update core/builders/ui_builder.py

Create core/builders/docs_builder.py

Create core/builders/ui_builder.py

Create core/builders/api_builder.py

Create executor.py

Update core/registry/tasks_registry.py

Rename registry/task_model.py to core/registry/task_model.py

Rename registry/tasks_registry.py to core/registry/tasks_registry.py

Rename registry/loader.py to core/registry/loader.py

Rename execution/context.py to core/execution/context.py