{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp03_full320_20260801","cell_id":"layer_decay_and_expiration_management__performing_arts_theatre","trajectory_id":"R","attempt_index":0,"archetype_slug":"layer_decay_and_expiration_management","domain_slug":"performing_arts_theatre","decision":"CANDIDATE","problem_id":"stale_theatre_production_artifact_sprawl","causal_lever_id":"governed_production_artifact_lifecycle","proposal":{"problem":"During a theatre production, successive scripts, blocking notes, cue sheets, risk instructions, rehearsal media, design files, and reports accumulate without consistent current/archived/superseded states. Obsolete versions remain discoverable and can be used as current, while improvised cleanup can erase artistic provenance, safety evidence, remounting material, or rights-relevant records.","actors_substrate":["performers and understudies","stage management","directors, choreographers, and designers","technical and venue crews","producers and rights holders","theatre archivists and researchers"],"observable_state":"Multiple dated or undated variants coexist in shared drives, messaging threads, prompt books, consoles, and paper binders; current authority is ambiguous, superseded materials remain in circulation, and staff cannot confidently identify what may be archived or removed.","consequence":"Teams may rehearse or execute obsolete blocking, cues, designs, or safety instructions; searches and handovers slow; preservation becomes indiscriminate; and deletion may compromise reconstruction, attribution, investigation, or remounting.","affected_objective":"Maintain one unambiguous operational truth for the live production while preserving proportionate artistic, evidentiary, and reconstruction memory.","structural_mapping":[{"archetype_element":"sequential deposits","domain_realization":"Successive production drafts, notes, cue states, recordings, and reports deposited across rehearsal and performance cycles.","claim_kind":"CORPUS"},{"archetype_element":"stale layers masquerading as current","domain_realization":"Superseded production artifacts remain accessible without an authoritative status marker and may be acted upon.","claim_kind":"INFERENCE"},{"archetype_element":"costly indefinite active retention","domain_realization":"Version proliferation increases search, handover, access-control, and interpretive burden.","claim_kind":"HYPOTHESIS"},{"archetype_element":"unsafe deletion","domain_realization":"Removal can break cue provenance, incident reconstruction, remounting, contractual evidence, or artistic history.","claim_kind":"INFERENCE"},{"archetype_element":"differentiated expiration","domain_realization":"Artifacts may be refreshed, marked superseded, compacted, archived, quarantined, or destroyed according to class.","claim_kind":"INFERENCE"},{"archetype_element":"dependency gate","domain_realization":"A candidate cannot be removed while a live prompt book, cue stack, safety process, report, or remount package depends on it.","claim_kind":"HYPOTHESIS"},{"archetype_element":"preservation exceptions","domain_realization":"Rights, disputes, safeguarding, incident evidence, artistic significance, and institutional archives can override ordinary expiry.","claim_kind":"INFERENCE"},{"archetype_element":"bounded active stack","domain_realization":"Only validated current artifacts remain prominent in operational workspaces; recoverable history moves to labeled archival states.","claim_kind":"HYPOTHESIS"}],"component_map":[{"component":"layer_inventory_and_identity_map","status":"adapted","domain_realization":"Registry of production artifacts, copies, owners, identifiers, and locations."},{"component":"deposition_order_and_age_index","status":"direct","domain_realization":"Creation, revision, approval, and supersession timestamps."},{"component":"retention_policy_matrix","status":"adapted","domain_realization":"Artifact-class rules for scripts, cues, safety records, media, contracts, and design files."},{"component":"decay_function_or_aging_rule","status":"adapted","domain_realization":"Age reduces presumed operational value but cannot override safety, rights, or historical value."},{"component":"expiration_trigger_definition","status":"adapted","domain_realization":"Triggers tied to supersession, production milestones, inactivity, or retention deadlines."},{"component":"layer_value_and_risk_score","status":"adapted","domain_realization":"Triage using current use, uniqueness, sensitivity, rights, safety, and reconstruction cost."},{"component":"dependency_and_reconstruction_check","status":"direct","domain_realization":"Pre-disposition check against live workflows and remount or investigation needs."},{"component":"pruning_or_archival_pathway","status":"direct","domain_realization":"Refresh, supersede, compact, archive, quarantine, or approved destruction."},{"component":"preservation_exception_register","status":"direct","domain_realization":"Named artistic, evidentiary, safeguarding, dispute, and historical exceptions."},{"component":"deletion_audit_and_rollback_window","status":"direct","domain_realization":"Recorded approval plus time-limited recoverable quarantine."},{"component":"resource_budget_and_storage_tier","status":"adapted","domain_realization":"Operational workspace, nearline production archive, and institutional cold archive."},{"component":"review_cadence_and_revalidation_loop","status":"direct","domain_realization":"Reviews at rehearsal milestones, opening, closing, transfer, and scheduled archive checks."},{"component":"legal_hold_or_compliance_override","status":"direct","domain_realization":"Rights, litigation, safeguarding, incident, union, or contractual holds."},{"component":"hot_warm_cold_access_state","status":"adapted","domain_realization":"Current-show, recent-production, and long-term archival access states."},{"component":"orphan_layer_detection","status":"adapted","domain_realization":"Identify artifacts with no live workflow, reference, mandated retention, or preservation claim."},{"component":"supersession_marker","status":"direct","domain_realization":"Visible obsolete status with pointer to the authoritative successor."},{"component":"layer_compaction_candidate_flag","status":"adapted","domain_realization":"Flag redundant drafts or media for packaged preservation without erasing provenance."},{"component":"rehydration_or_restore_procedure","status":"direct","domain_realization":"Documented retrieval, format reading, integrity checking, and contextual reconnection."},{"component":"deletion_impact_estimate","status":"adapted","domain_realization":"Estimate operational, safety, artistic, rights, and reconstruction consequences."},{"component":"stale_context_detector","status":"adapted","domain_realization":"Detect conflicts with the approved script, cue state, personnel, venue, or design configuration."}],"mechanism_dispositions":[{"slug":"age_weighted_value_score","disposition":"selected_supporting","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Ranks review candidates; protected factors veto age discounting.","counterfactual_removal":"Review becomes slower but lifecycle control remains viable."},{"slug":"archive_restore_test","disposition":"selected_load_bearing","contribution_type":"TEST_DESIGN","adaptation_or_rejection":"Sample restored artifacts across formats and production ages.","counterfactual_removal":"Archival recoverability becomes an untested promise."},{"slug":"cache_eviction_rule","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Recency-based instant eviction is unsafe for authoritative or unique theatre records.","counterfactual_removal":"No material change."},{"slug":"dependency_safe_delete_check","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Block disposition when any operational, evidentiary, or reconstruction dependency remains.","counterfactual_removal":"Cleanup can silently break live work or accountability."},{"slug":"lifecycle_storage_tiering_policy","disposition":"selected_supporting","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Move closed-production materials out of active workspaces while retaining governed access.","counterfactual_removal":"Stale visibility and active-storage burden remain higher."},{"slug":"log_rotation_and_cleanup_job","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Most production artifacts are branching versions, not a homogeneous append-only stream.","counterfactual_removal":"No material change."},{"slug":"retention_schedule","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Class-specific retention, disposition, and exception rules supply authority.","counterfactual_removal":"Artifacts revert to indefinite retention or arbitrary deletion."},{"slug":"soft_delete_quarantine_window","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Approved removals first enter impact-scaled recoverable quarantine.","counterfactual_removal":"Mistaken cleanup becomes immediately irreversible."},{"slug":"stale_layer_detection_dashboard","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Expose identity, ownership, current status, conflicts, and review candidates.","counterfactual_removal":"The distributed stale-artifact problem remains difficult to observe."},{"slug":"time_to_live_ttl_policy","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Fixed self-executing expiry is too blunt for unique, rights-bound, or historically valuable artifacts; milestone review substitutes.","counterfactual_removal":"No material change to the governed workflow."},{"slug":"tombstone_or_deletion_marker","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Leave a status-and-successor marker wherever references may persist.","counterfactual_removal":"Deleted or superseded artifacts become ambiguous and stale copies may recirculate."}],"causal_chain":["Inventory and identity resolution reveal the accumulated version stack.","Status and staleness checks distinguish authoritative artifacts from review candidates.","Class policy, value/risk triage, dependencies, and exceptions determine permitted disposition.","Superseded artifacts leave successor markers; approved removals enter reversible quarantine; retained history moves to appropriate tiers.","Restore drills and periodic revalidation test whether boundedness, authority, and recoverability coexist.","Reduced stale visibility should lower version-selection errors and handover effort without losing required memory."],"baseline":"Departments rely on filenames, personal folders, messaging history, manual handover, and informal judgments; most material remains active or is deleted during episodic cleanup.","nearest_rival":"A centralized current-show bible with conventional version control and manual archive transfer, but without class-specific expiry, dependency gates, exception revalidation, quarantine, or restore testing.","authority_safety":{"affected_parties":["performers and understudies","creative authors and designers","stage management and technical crews","producers, venues, and rights holders","archivists, investigators, and future remount teams"],"decision_authority":"The production manager and stage manager may govern operational copies within delegated policy; creators, designers, rights holders, records officers, safeguarding leads, and archivists retain authority over their protected materials and exceptions.","authorized_first_step":"With one production's consent, inventory one bounded artifact set for six weeks, label current and superseded states, and run shadow disposition recommendations; archive copies and test restoration, but permit only owner-approved soft quarantine.","excluded_actions":["automatic hard deletion","overriding creator, rights-holder, safeguarding, contractual, or legal holds","changing approved artistic or safety content","public release or expanded access","treating age or a composite score as sole authority"],"halt_rollback":"Halt on any disputed authority, safety-critical discrepancy, missing dependency, access expansion, workflow disruption, or failed restore; restore quarantined artifacts and revert visibility labels from the audit log."}},"negative_tests":{"strongest_counterevidence":"Version proliferation may be intentional creative plurality, and observed miscues may arise from communication, training, or late artistic changes rather than artifact lifecycle failure.","analogy_break":"Theatre artifacts are not interchangeable storage objects: ambiguity, discarded alternatives, embodied knowledge, and conflicting drafts can possess artistic or scholarly value independent of current operational use.","failure_condition":"The approach fails if ownership and dependencies cannot be resolved, archival formats cannot be restored, or status labels are ignored in favor of informal channels.","problem_falsifier":"A scoped audit finds little accumulated duplication, authoritative current versions are consistently identifiable, stale artifacts are not used operationally, and retention decisions already have reliable owners and rules.","intervention_falsifier":"Compared with the centralized-show-bible rival, the pilot does not reduce wrong-version selections, artifact search time, or unresolved-current-status cases, or it causes restore failures, lost context, rights conflicts, or greater workload beyond a pre-agreed threshold.","risks":["False precision from scoring artistic value","Erasure of marginalized or process history","Premature burial of materials needed after a late change","Unauthorized access during inventory consolidation","Quarantine conflicting with mandatory destruction duties","Status markers creating misplaced confidence when informal copies remain"]},"null_rationale":null,"classification":{"candidate_kind":"DOMAIN_TRANSFER","prior_art_status":"UNSEARCHED","evidence_maturity":"HYPOTHESIS"},"revision_change_log":{"revision_kind":"ORIGINAL","prior_problem_id":null,"prior_causal_lever_id":null,"problem_changed":false,"causal_lever_changed":false,"conceptual_changes":[],"operational_changes":[],"repairs_addressed":[]},"confidence":0.89,"generator_notes":"The fit rests on independently recognizable version and record sprawl in production practice, not on treating creative change itself as waste. Empirical effects and prevalence remain untested."}