FA-33766 / Menu interactions / Open access
Menu macro playback reorders semantically dependent commands · case 01
Menu macro playback reorders semantically dependent commands.
ROOT CAUSE
The menu-macro-recording model applies `list(reversed(p['steps']))` at its playback-order operation instead of the stipulated transformation.
VERIFIED REPAIR
Apply `p['steps']` at playback-order.
Unsuccessful approach: The attempted repair `sorted(p['steps'])` still violates the playback-order oracle.
Case contract
Menu command macros record successful semantic commands, omit private context data, preserve execution order and retain typed parameter bindings.
Why this case matters
Cascading and context menus require coherent command and session state as content changes.
1 / The failure
Exit 1"""Failure Map reference implementation. Python standard library only."""
import json
import math
import unicodedata
N = 1
observations = []
def solve(action, p):
if action == 'semantic':
return {'command':p['command'],'arguments':p['arguments']}
if action == 'failed':
return p['macro'] if not p['success'] else p['macro']+[p['entry']]
if action == 'private-args':
return {k:v for k,v in p['args'].items() if k not in p['private']}
if action == 'playback-order':
return list(reversed(p['steps']))
if action == 'recording-playback':
return p['recording'] and not p['replaying']
if action == 'typed-parameters':
return p['args']
return {'error': 'unsupported menu operation'}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
check('semantic contract', solve('semantic', {'command':'resize','arguments':{'size':N},'row':'row-7','label':'Resize'}), {'command':'resize','arguments':{'size':N}})
check('failed contract', solve('failed', {'macro':[N],'entry':N+1,'success':False}), [N])
check('private-args contract', solve('private-args', {'args':{'size':N,'document_token':'private'},'private':['document_token']}), {'size':N})
check('playback-order contract', solve('playback-order', {'steps':['create','write'+str(N),'close']}), ['create','write'+str(N),'close'])
check('recording-playback contract', solve('recording-playback', {'recording':True,'replaying':True,'step':N}), False)
check('typed-parameters contract', solve('typed-parameters', {'args':{'count':N+1,'enabled':False}}), {'count':N+1,'enabled':False})
check('unknown operation', solve('unknown', {}), {'error': 'unsupported menu operation'})
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| semantic contract | {'arguments': {'size': 1}, 'command': 'resize'} | {'arguments': {'size': 1}, 'command': 'resize'} | Passed |
| failed contract | [1] | [1] | Passed |
| private-args contract | {'size': 1} | {'size': 1} | Passed |
| playback-order contract | ['close', 'write1', 'create'] | ['create', 'write1', 'close'] | Failed |
| recording-playback contract | False | False | Passed |
| typed-parameters contract | {'count': 2, 'enabled': False} | {'count': 2, 'enabled': False} | Passed |
| unknown operation | {'error': 'unsupported menu operation'} | {'error': 'unsupported menu operation'} | Passed |
SHA-256 / fd8b1fed6fae7edaa6e3f85fdca6824a87af2788380f71dcb96000ef2b05ed5e
2 / The unsuccessful fix
Exit 1"""Failure Map reference implementation. Python standard library only."""
import json
import math
import unicodedata
N = 1
observations = []
def solve(action, p):
if action == 'semantic':
return {'command':p['command'],'arguments':p['arguments']}
if action == 'failed':
return p['macro'] if not p['success'] else p['macro']+[p['entry']]
if action == 'private-args':
return {k:v for k,v in p['args'].items() if k not in p['private']}
if action == 'playback-order':
return sorted(p['steps'])
if action == 'recording-playback':
return p['recording'] and not p['replaying']
if action == 'typed-parameters':
return p['args']
return {'error': 'unsupported menu operation'}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
check('semantic contract', solve('semantic', {'command':'resize','arguments':{'size':N},'row':'row-7','label':'Resize'}), {'command':'resize','arguments':{'size':N}})
check('failed contract', solve('failed', {'macro':[N],'entry':N+1,'success':False}), [N])
check('private-args contract', solve('private-args', {'args':{'size':N,'document_token':'private'},'private':['document_token']}), {'size':N})
check('playback-order contract', solve('playback-order', {'steps':['create','write'+str(N),'close']}), ['create','write'+str(N),'close'])
check('recording-playback contract', solve('recording-playback', {'recording':True,'replaying':True,'step':N}), False)
check('typed-parameters contract', solve('typed-parameters', {'args':{'count':N+1,'enabled':False}}), {'count':N+1,'enabled':False})
check('unknown operation', solve('unknown', {}), {'error': 'unsupported menu operation'})
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| semantic contract | {'arguments': {'size': 1}, 'command': 'resize'} | {'arguments': {'size': 1}, 'command': 'resize'} | Passed |
| failed contract | [1] | [1] | Passed |
| private-args contract | {'size': 1} | {'size': 1} | Passed |
| playback-order contract | ['close', 'create', 'write1'] | ['create', 'write1', 'close'] | Failed |
| recording-playback contract | False | False | Passed |
| typed-parameters contract | {'count': 2, 'enabled': False} | {'count': 2, 'enabled': False} | Passed |
| unknown operation | {'error': 'unsupported menu operation'} | {'error': 'unsupported menu operation'} | Passed |
SHA-256 / b3281afa2e7ecb0ac4375bc43925b03ca20a74befd5475439b7cef44dfda0c01
3 / The verified repair
Exit 0"""Failure Map reference implementation. Python standard library only."""
import json
import math
import unicodedata
N = 1
observations = []
def solve(action, p):
if action == 'semantic':
return {'command':p['command'],'arguments':p['arguments']}
if action == 'failed':
return p['macro'] if not p['success'] else p['macro']+[p['entry']]
if action == 'private-args':
return {k:v for k,v in p['args'].items() if k not in p['private']}
if action == 'playback-order':
return p['steps']
if action == 'recording-playback':
return p['recording'] and not p['replaying']
if action == 'typed-parameters':
return p['args']
return {'error': 'unsupported menu operation'}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
check('semantic contract', solve('semantic', {'command':'resize','arguments':{'size':N},'row':'row-7','label':'Resize'}), {'command':'resize','arguments':{'size':N}})
check('failed contract', solve('failed', {'macro':[N],'entry':N+1,'success':False}), [N])
check('private-args contract', solve('private-args', {'args':{'size':N,'document_token':'private'},'private':['document_token']}), {'size':N})
check('playback-order contract', solve('playback-order', {'steps':['create','write'+str(N),'close']}), ['create','write'+str(N),'close'])
check('recording-playback contract', solve('recording-playback', {'recording':True,'replaying':True,'step':N}), False)
check('typed-parameters contract', solve('typed-parameters', {'args':{'count':N+1,'enabled':False}}), {'count':N+1,'enabled':False})
check('unknown operation', solve('unknown', {}), {'error': 'unsupported menu operation'})
print(json.dumps({"observations": observations, "passed": all(x["passed"] for x in observations)}, ensure_ascii=False))
raise SystemExit(0 if all(x["passed"] for x in observations) else 1)
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| semantic contract | {'arguments': {'size': 1}, 'command': 'resize'} | {'arguments': {'size': 1}, 'command': 'resize'} | Passed |
| failed contract | [1] | [1] | Passed |
| private-args contract | {'size': 1} | {'size': 1} | Passed |
| playback-order contract | ['create', 'write1', 'close'] | ['create', 'write1', 'close'] | Passed |
| recording-playback contract | False | False | Passed |
| typed-parameters contract | {'count': 2, 'enabled': False} | {'count': 2, 'enabled': False} | Passed |
| unknown operation | {'error': 'unsupported menu operation'} | {'error': 'unsupported menu operation'} | Passed |
SHA-256 / 8ec8c51dfb89b775344110c6b7fc32f03b51438858314d916f76855edbffd8ed
Verification & scope
Offline supplied-valid-payload model; excludes DOM, keyboard, focus, selection, announcements and browser conformance. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.
Observations recorded using Python 3.12.14 at 2026-09-29T14:42:25.472638+00:00.
Case digest / 068896ce90974a6325832f30c627bc46752516831330ba1fd89d2a9decddc6f6