{"id":"LAKA-WCAG-DRAG-ALTERNATIVE","version":"1.0.0","authority":"wcag_requirement","source_refs":["SC-2.5.7"],"wcag_refs":[{"criterion_id":"2.5.7","level":"AA"}],"covers_full_criteria":false,"object":{"type":"reorderable list","scope":"A concrete authorized component instance; bind before execution.","states":["populated","moving","reordered"]},"applicability":{"predicate":"function.uses_dragging"},"require":{"any":[{"predicate":"pointer.same_function_without_dragging"},{"predicate":"drag.essential_exception_verified"},{"predicate":"drag.unmodified_browser_exception_verified"}]},"exceptions":[{"clause":"2.5.7 essential dragging or unmodified user-agent behavior","instance_scope":"Only the specific function for which evidence is recorded.","proof_required":true,"review_required":true}],"implementation":"Choose a simple-pointer move control and separately check keyboard operation.","laka":{"change_level":"Major Change","internal_variables":{"Object":"reorderable list in the declared test scope.","Conditions":"Use the listed states with a recorded role, fixture and environment.","Actions":"Execute the named task and its relevant recovery transitions.","Tools":"Use repository test adapters and qualified manual review where needed.","Resources":"Synthetic fixtures, a test environment, accountable owner and evidence store.","Outcomes":"The function has a valid non-drag single-pointer route or a proven criterion exception.","Feedback":"Preserve observations and create a linked regression check after repair.","Constraints":"Do not weaken security, erase information or reduce task functionality.","Value":"Support independent operation of this task without the recorded barrier.","Failure mode":"An assertion fails, remains unknown or regresses in a relevant state."},"meta_variables":["Scope","Detectability","Propagation","Reversibility"]},"tests":[{"method":"mixed","steps":["Reach the reorder function.","Complete the same move using simple pointer activation, not dragging.","Inspect the outcome and any claimed exception."],"expected":"The function has a valid non-drag single-pointer route or a proven criterion exception.","evidence_required":["build and test fixture","rendered interaction observations","reviewed manual evidence where required"]}],"metrics":[{"measure":"supported required assertions","unit":"count","decision":"No false or unresolved required assertions.","denominator":"All applicable planned assertions for this bound instance."}],"guardrails":["A keyboard-only alternative cannot substitute for the pointer assertion.","Retain the item and its correct position."],"owner":"Assigned accessibility implementation owner","execution_status":"NOT_TESTED"}