FA-33471 / Menu interactions / Open access
Menu lifecycle event attributes a child transition to the root owner · case 01
Menu lifecycle event attributes a child transition to the root owner.
ROOT CAUSE
The menu-lifecycle-events model applies `{'session':p['session'],'owner':p['root'],'reason':p['reason']}` at its event-context operation instead of the stipulated transformation.
VERIFIED REPAIR
Apply `{'session':p['session'],'owner':p['owner'],'reason':p['reason']}` at event-context.
Unsuccessful approach: The attempted repair `{'session':p['session'],'owner':p['owner'],'reason':None}` still violates the event-context oracle.
Case contract
Menu lifecycle notifications report committed transitions once, retain close reasons, and deliver descendant closure before parent closure.
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 == 'open-event':
return ['opened'] if not p['before'] and p['after'] else []
if action == 'close-reason':
return p['reason']
if action == 'close-order':
return list(reversed(p))
if action == 'cancel-open':
return [] if p['prevented'] else ['opened']
if action == 'event-context':
return {'session':p['session'],'owner':p['root'],'reason':p['reason']}
if action == 'unmount-reason':
return 'owner-removed'
return {'error': 'unsupported menu operation'}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
check('open-event contract', solve('open-event', {'before':True,'after':True,'session':N}), [])
check('close-reason contract', solve('close-reason', {'reason':'command'+str(N),'previous_reason':'outside'}), 'command'+str(N))
check('close-order contract', solve('close-order', ['root','child'+str(N)]), ['child'+str(N),'root'])
check('cancel-open contract', solve('cancel-open', {'prevented':True,'session':N}), [])
check('event-context contract', solve('event-context', {'session':N,'owner':'child','root':'root','reason':'replace'}), {'session':N,'owner':'child','reason':'replace'})
check('unmount-reason contract', solve('unmount-reason', {'last_reason':'outside'+str(N)}), 'owner-removed')
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 |
|---|---|---|---|
| open-event contract | [] | [] | Passed |
| close-reason contract | command1 | command1 | Passed |
| close-order contract | ['child1', 'root'] | ['child1', 'root'] | Passed |
| cancel-open contract | [] | [] | Passed |
| event-context contract | {'owner': 'root', 'reason': 'replace', 'session': 1} | {'owner': 'child', 'reason': 'replace', 'session': 1} | Failed |
| unmount-reason contract | owner-removed | owner-removed | Passed |
| unknown operation | {'error': 'unsupported menu operation'} | {'error': 'unsupported menu operation'} | Passed |
SHA-256 / c3cc72e018a48caae0e665155f537a436fb704d02dd55c120ab7c0f5f2592422
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 == 'open-event':
return ['opened'] if not p['before'] and p['after'] else []
if action == 'close-reason':
return p['reason']
if action == 'close-order':
return list(reversed(p))
if action == 'cancel-open':
return [] if p['prevented'] else ['opened']
if action == 'event-context':
return {'session':p['session'],'owner':p['owner'],'reason':None}
if action == 'unmount-reason':
return 'owner-removed'
return {'error': 'unsupported menu operation'}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
check('open-event contract', solve('open-event', {'before':True,'after':True,'session':N}), [])
check('close-reason contract', solve('close-reason', {'reason':'command'+str(N),'previous_reason':'outside'}), 'command'+str(N))
check('close-order contract', solve('close-order', ['root','child'+str(N)]), ['child'+str(N),'root'])
check('cancel-open contract', solve('cancel-open', {'prevented':True,'session':N}), [])
check('event-context contract', solve('event-context', {'session':N,'owner':'child','root':'root','reason':'replace'}), {'session':N,'owner':'child','reason':'replace'})
check('unmount-reason contract', solve('unmount-reason', {'last_reason':'outside'+str(N)}), 'owner-removed')
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 |
|---|---|---|---|
| open-event contract | [] | [] | Passed |
| close-reason contract | command1 | command1 | Passed |
| close-order contract | ['child1', 'root'] | ['child1', 'root'] | Passed |
| cancel-open contract | [] | [] | Passed |
| event-context contract | {'owner': 'child', 'reason': None, 'session': 1} | {'owner': 'child', 'reason': 'replace', 'session': 1} | Failed |
| unmount-reason contract | owner-removed | owner-removed | Passed |
| unknown operation | {'error': 'unsupported menu operation'} | {'error': 'unsupported menu operation'} | Passed |
SHA-256 / 1ac23139795b13bee4679d0fcbcd488ba502f0816b78b1b1fdc71b7f9a13b62d
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 == 'open-event':
return ['opened'] if not p['before'] and p['after'] else []
if action == 'close-reason':
return p['reason']
if action == 'close-order':
return list(reversed(p))
if action == 'cancel-open':
return [] if p['prevented'] else ['opened']
if action == 'event-context':
return {'session':p['session'],'owner':p['owner'],'reason':p['reason']}
if action == 'unmount-reason':
return 'owner-removed'
return {'error': 'unsupported menu operation'}
def check(label, actual, expected):
observations.append({"check": label, "actual": actual, "expected": expected, "passed": actual == expected})
check('open-event contract', solve('open-event', {'before':True,'after':True,'session':N}), [])
check('close-reason contract', solve('close-reason', {'reason':'command'+str(N),'previous_reason':'outside'}), 'command'+str(N))
check('close-order contract', solve('close-order', ['root','child'+str(N)]), ['child'+str(N),'root'])
check('cancel-open contract', solve('cancel-open', {'prevented':True,'session':N}), [])
check('event-context contract', solve('event-context', {'session':N,'owner':'child','root':'root','reason':'replace'}), {'session':N,'owner':'child','reason':'replace'})
check('unmount-reason contract', solve('unmount-reason', {'last_reason':'outside'+str(N)}), 'owner-removed')
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 |
|---|---|---|---|
| open-event contract | [] | [] | Passed |
| close-reason contract | command1 | command1 | Passed |
| close-order contract | ['child1', 'root'] | ['child1', 'root'] | Passed |
| cancel-open contract | [] | [] | Passed |
| event-context contract | {'owner': 'child', 'reason': 'replace', 'session': 1} | {'owner': 'child', 'reason': 'replace', 'session': 1} | Passed |
| unmount-reason contract | owner-removed | owner-removed | Passed |
| unknown operation | {'error': 'unsupported menu operation'} | {'error': 'unsupported menu operation'} | Passed |
SHA-256 / 1961e55303bad201954cb1c64e780e585588cbfb56492fa41c94804da1ea313b
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 2026-09-29T14:42:22.750207+00:00.
Case digest / b1ad7d9d8739afc698ac5d71b09cd71b869b4d6bfe80911566dd1c99379a2a6e