Save The Tree implementation and acceptance work in progress

Preserve production code, regression fixtures, audio assets and provenance, test infrastructure, and the original-completion plan and progress ledger. Final game and Windows acceptance remain pending; excluded local artifacts and native experiments are not part of this snapshot.

tests/business/test_business_operations.gd

@@ -31,6 +31,8 @@ func _run() -> void:
 		_finish()
 		return
 	_catalog_and_report()
+	var kitchen_setup: Dictionary = load("res://tests/fixtures/required_kitchen_setup.gd").ensure(_runtime, _clock, _ids[&"cafeteria"], false)
+	_expect(bool(kitchen_setup.get(&"ok", false)), "public paid kitchen setup/link for controlled logical-attendance business fixture")
 	_immutable_sale()
 	_closed_queue()
 	_save_and_candidates()