{"abstract":"View application honors replace versus overlay intent is violated by the widget projection.","category":"Filter interfaces","checks":10,"contract":"Applying a saved view may replace or overlay editable filters, but it never replaces enforced scope and retains hidden selected criteria unless replace mode explicitly clears them. This example checks: View application honors replace versus overlay intent.","contract_signature":"d","evaluation_group":"s3-filter-interfaces-saved-view-overlay","failed_approach":"The attempted correction `[x for i,x in enumerate(d['current']+d['saved']) if x not in (d['current']+d['saved'])[:i]]` still violates the explicit contract fixtures.","family":"s3-filter-interfaces-saved-view-overlay-replace-user","id":"FA-26221","implementations":{"attempt":{"sha256":"00afbec0a6357bf7499b46e22f6da3e8f8e71f30b76f6b075544e24ae9096412","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(d):\n    return {'replace-user':([x for i,x in enumerate(d['current']+d['saved']) if x not in (d['current']+d['saved'])[:i]]), 'enforced-separation':(d['enforced']+d['saved']), 'overlay-provenance':('view' if d['mode']=='replace' else 'mixed'), 'hidden-retention':([x for x in d['current'] if x[0] not in d['visible']] if d['mode']=='overlay' else []), 'field-overlay-policy':([x for x in d['current'] if d['policies'].get(x[0])!='replace']+[x for x in d['saved'] if d['policies'].get(x[0])!='keep']), 'effective-view-count':(len(d['saved'])+len(d['enforced']))}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = {1: [({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2})], 2: [({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2})], 3: [({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2})], 4: [({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2})], 5: [({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2})]}\nfor index, (data, expected) in enumerate(fixtures[N]):\n    check(\"contract fixture \" + str(index), solve(data), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"2971d79df35a9646efb02adff4c3e460c961bae49f6f2c5152fbd57ef596afb3","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(d):\n    return {'replace-user':(d['saved']), 'enforced-separation':(d['enforced']+d['saved']), 'overlay-provenance':('view' if d['mode']=='replace' else 'mixed'), 'hidden-retention':([x for x in d['current'] if x[0] not in d['visible']] if d['mode']=='overlay' else []), 'field-overlay-policy':([x for x in d['current'] if d['policies'].get(x[0])!='replace']+[x for x in d['saved'] if d['policies'].get(x[0])!='keep']), 'effective-view-count':(len(d['saved'])+len(d['enforced']))}\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = {1: [({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2})], 2: [({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2})], 3: [({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2})], 4: [({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2})], 5: [({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['b', 'x']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'overlay', 'visible': ['a'], 'scope': 'ss', 'view_scope': 's', 'policies': {'a': 'keep'}}, {'replace-user': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'enforced-separation': [['a', 'required'], ['b', 'x']], 'overlay-provenance': 'mixed', 'hidden-retention': [['hidden', 'z']], 'field-overlay-policy': [['a', 'old'], ['hidden', 'z'], ['b', 'x']], 'effective-view-count': 2}), ({'saved': [['a', 'new']], 'current': [['a', 'old'], ['hidden', 'z']], 'enforced': [['a', 'required']], 'mode': 'replace', 'visible': ['a'], 'scope': 's', 'view_scope': 's', 'policies': {'a': 'replace'}}, {'replace-user': [['a', 'new']], 'enforced-separation': [['a', 'required'], ['a', 'new']], 'overlay-provenance': 'view', 'hidden-retention': [], 'field-overlay-policy': [['hidden', 'z'], ['a', 'new']], 'effective-view-count': 2})]}\nfor index, (data, expected) in enumerate(fixtures[N]):\n    check(\"contract fixture \" + str(index), solve(data), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Deterministic bounded UI-state model only; no browser, query engine, network, or production-standard conformance is claimed. 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.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"s3-filter-interfaces-saved-view-overlay-replace-user","generated_at":"2026-09-29T14:41:14.170843+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Filter-widget state and serialization must preserve user constraints while the view changes.","root_cause":"The replace-user decision uses `d['saved']` instead of the stipulated saved-view-overlay projection.","sha256":"afa3977cda9ed16cd0a78c7e578900ea70a1ac6f69f4dd50fd5b8f10c50bed1b","title":"View application honors replace versus overlay intent · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verified":true,"visibility":"public","verification":{"attempt":{"elapsed_ms":47.791,"exit_code":1,"observations":[{"actual":{"effective-view-count":2,"enforced-separation":[["a","required"],["a","new"]],"field-overlay-policy":[["a","old"],["hidden","z"],["a","new"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["a","new"]]},"check":"contract fixture 0","expected":{"effective-view-count":2,"enforced-separation":[["a","required"],["a","new"]],"field-overlay-policy":[["a","old"],["hidden","z"],["a","new"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["a","new"]]},"passed":true},{"actual":{"effective-view-count":2,"enforced-separation":[["a","required"],["a","new"]],"field-overlay-policy":[["a","old"],["hidden","z"],["a","new"]],"hidden-retention":[],"overlay-provenance":"view","replace-user":[["a","old"],["hidden","z"],["a","new"]]},"check":"contract fixture 1","expected":{"effective-view-count":2,"enforced-separation":[["a","required"],["a","new"]],"field-overlay-policy":[["a","old"],["hidden","z"],["a","new"]],"hidden-retention":[],"overlay-provenance":"view","replace-user":[["a","new"]]},"passed":false},{"actual":{"effective-view-count":2,"enforced-separation":[["a","required"],["a","new"]],"field-overlay-policy":[["hidden","z"],["a","new"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["a","new"]]},"check":"contract fixture 2","expected":{"effective-view-count":2,"enforced-separation":[["a","required"],["a","new"]],"field-overlay-policy":[["hidden","z"],["a","new"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["a","new"]]},"passed":true},{"actual":{"effective-view-count":2,"enforced-separation":[["a","required"],["a","new"]],"field-overlay-policy":[["a","old"],["hidden","z"],["a","new"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["a","new"]]},"check":"contract fixture 3","expected":{"effective-view-count":2,"enforced-separation":[["a","required"],["a","new"]],"field-overlay-policy":[["a","old"],["hidden","z"],["a","new"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["a","new"]]},"passed":true},{"actual":{"effective-view-count":2,"enforced-separation":[["a","required"],["a","new"]],"field-overlay-policy":[["a","old"],["hidden","z"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["a","new"]]},"check":"contract fixture 4","expected":{"effective-view-count":2,"enforced-separation":[["a","required"],["a","new"]],"field-overlay-policy":[["a","old"],["hidden","z"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["a","new"]]},"passed":true},{"actual":{"effective-view-count":2,"enforced-separation":[["a","required"],["b","x"]],"field-overlay-policy":[["hidden","z"],["b","x"]],"hidden-retention":[],"overlay-provenance":"view","replace-user":[["a","old"],["hidden","z"],["b","x"]]},"check":"contract fixture 5","expected":{"effective-view-count":2,"enforced-separation":[["a","required"],["b","x"]],"field-overlay-policy":[["hidden","z"],["b","x"]],"hidden-retention":[],"overlay-provenance":"view","replace-user":[["b","x"]]},"passed":false},{"actual":{"effective-view-count":2,"enforced-separation":[["a","required"],["b","x"]],"field-overlay-policy":[["a","old"],["hidden","z"],["b","x"]],"hidden-retention":[],"overlay-provenance":"view","replace-user":[["a","old"],["hidden","z"],["b","x"]]},"check":"contract fixture 6","expected":{"effective-view-count":2,"enforced-separation":[["a","required"],["b","x"]],"field-overlay-policy":[["a","old"],["hidden","z"],["b","x"]],"hidden-retention":[],"overlay-provenance":"view","replace-user":[["b","x"]]},"passed":false},{"actual":{"effective-view-count":2,"enforced-separation":[["a","required"],["b","x"]],"field-overlay-policy":[["a","old"],["hidden","z"],["b","x"]],"hidden-retention":[],"overlay-provenance":"view","replace-user":[["a","old"],["hidden","z"],["b","x"]]},"check":"contract fixture 7","expected":{"effective-view-count":2,"enforced-separation":[["a","required"],["b","x"]],"field-overlay-policy":[["a","old"],["hidden","z"],["b","x"]],"hidden-retention":[],"overlay-provenance":"view","replace-user":[["b","x"]]},"passed":false},{"actual":{"effective-view-count":2,"enforced-separation":[["a","required"],["b","x"]],"field-overlay-policy":[["hidden","z"],["b","x"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["b","x"]]},"check":"contract fixture 8","expected":{"effective-view-count":2,"enforced-separation":[["a","required"],["b","x"]],"field-overlay-policy":[["hidden","z"],["b","x"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["b","x"]]},"passed":true},{"actual":{"effective-view-count":2,"enforced-separation":[["a","required"],["b","x"]],"field-overlay-policy":[["a","old"],["hidden","z"],["b","x"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["b","x"]]},"check":"contract fixture 9","expected":{"effective-view-count":2,"enforced-separation":[["a","required"],["b","x"]],"field-overlay-policy":[["a","old"],["hidden","z"],["b","x"]],"hidden-retention":[["hidden","z"]],"overlay-provenance":"mixed","replace-user":[["a","old"],["hidden","z"],["b","x"]]},"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"contract fixture 0\", \"actual\": {\"replace-user\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"a\", \"new\"]], \"overlay-provenance\": \"mixed\", \"hidden-retention\": [[\"hidden\", \"z\"]], \"field-overlay-policy\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"effective-view-count\": 2}, \"expected\": {\"replace-user\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"a\", \"new\"]], \"overlay-provenance\": \"mixed\", \"hidden-retention\": [[\"hidden\", \"z\"]], \"field-overlay-policy\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"effective-view-count\": 2}, \"passed\": true}, {\"check\": \"contract fixture 1\", \"actual\": {\"replace-user\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"a\", \"new\"]], \"overlay-provenance\": \"view\", \"hidden-retention\": [], \"field-overlay-policy\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"effective-view-count\": 2}, \"expected\": {\"replace-user\": [[\"a\", \"new\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"a\", \"new\"]], \"overlay-provenance\": \"view\", \"hidden-retention\": [], \"field-overlay-policy\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"effective-view-count\": 2}, \"passed\": false}, {\"check\": \"contract fixture 2\", \"actual\": {\"replace-user\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"a\", \"new\"]], \"overlay-provenance\": \"mixed\", \"hidden-retention\": [[\"hidden\", \"z\"]], \"field-overlay-policy\": [[\"hidden\", \"z\"], [\"a\", \"new\"]], \"effective-view-count\": 2}, \"expected\": {\"replace-user\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"a\", \"new\"]], \"overlay-provenance\": \"mixed\", \"hidden-retention\": [[\"hidden\", \"z\"]], \"field-overlay-policy\": [[\"hidden\", \"z\"], [\"a\", \"new\"]], \"effective-view-count\": 2}, \"passed\": true}, {\"check\": \"contract fixture 3\", \"actual\": {\"replace-user\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"a\", \"new\"]], \"overlay-provenance\": \"mixed\", \"hidden-retention\": [[\"hidden\", \"z\"]], \"field-overlay-policy\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"effective-view-count\": 2}, \"expected\": {\"replace-user\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"a\", \"new\"]], \"overlay-provenance\": \"mixed\", \"hidden-retention\": [[\"hidden\", \"z\"]], \"field-overlay-policy\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"effective-view-count\": 2}, \"passed\": true}, {\"check\": \"contract fixture 4\", \"actual\": {\"replace-user\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"a\", \"new\"]], \"overlay-provenance\": \"mixed\", \"hidden-retention\": [[\"hidden\", \"z\"]], \"field-overlay-policy\": [[\"a\", \"old\"], [\"hidden\", \"z\"]], \"effective-view-count\": 2}, \"expected\": {\"replace-user\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"a\", \"new\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"a\", \"new\"]], \"overlay-provenance\": \"mixed\", \"hidden-retention\": [[\"hidden\", \"z\"]], \"field-overlay-policy\": [[\"a\", \"old\"], [\"hidden\", \"z\"]], \"effective-view-count\": 2}, \"passed\": true}, {\"check\": \"contract fixture 5\", \"actual\": {\"replace-user\": [[\"a\", \"old\"], [\"hidden\", \"z\"], [\"b\", \"x\"]], \"enforced-separation\": [[\"a\", \"required\"], [\"b\", \"x\"]], \"overlay-provenance\": \"view\", \"hidden-retention\": [], \"field-overlay-policy\": [[\"hidden\", \"z\"], [\"b\", \"x\"]], \"effective-view-count\": 2}, \"expected\": {\"replace-user\": [[\"b\", 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