{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","cell_id":"modular_decomposition__accounting_auditing","arm":"ORDINARY_MAX","candidate_id":"modular_decomposition__accounting_auditing__ORDINARY_MAX","proposal_index":1,"version":0,"title":"Change-Bounded Revenue Recognition for Modified Bundled Contracts","problem":"A revenue-accounting team uses one end-to-end workpaper to ingest bundled-contract data, classify contract modifications, estimate transaction price, allocate consideration, generate recognition schedules, and map results to journal entries and disclosures. Formulas, accounting judgments, and manual overrides cross these responsibilities, so changing one source mapping, estimate, or classification can require edits and review throughout the workpaper rather than within the responsibility that changed.","actors":["Revenue-accounting preparer","Technical-accounting policy owner","Billing-data steward","Revenue-model maintainer","Financial-close controller","Internal-control reviewer","External auditor acting only as an independent reviewer"],"observable_state":"The target state is observable when a dependency trace shows formulas or overrides reaching across several accounting stages; downstream calculations directly reference internal cells from upstream stages; responsibility for a discrepancy cannot be assigned from the workpaper; and a representative rule or mapping change requires edits inside otherwise unrelated sections rather than merely producing declared downstream output changes.","consequence":"An unintended dependency or poorly traced override can flow into revenue, contract-asset or contract-liability balances, journal entries, and disclosures. Late changes consequently require broad re-performance of review, while the audit trail does not clearly identify which accounting responsibility introduced an exception.","affected_objective":"Produce accurate, complete, cutoff-appropriate, policy-consistent, and auditable revenue entries and disclosure rollforwards while allowing an authorized local rule or data-mapping change to be reviewed without reopening unrelated calculation logic.","intervention":"Decompose the workpaper into six responsibility-aligned modules: source-population provenance; contract and modification classification; transaction-price measurement; allocation to performance obligations; recognition scheduling; and posting/disclosure mapping. Each module receives a versioned input table, owns one coherent set of decisions, emits a versioned output table, and has a named management steward. Downstream modules may consume declared outputs but may not directly reference upstream internal cells. Interface records carry stable contract, line, modification, policy-version, effective-date, currency, source-lineage, status, and exception identifiers. Reintegration tests check that source records are assigned once or explicitly excepted, modifications remain linked to their governing contract and policy version, measured and allocated consideration reconcile under documented adjustments and rounding rules, recognized and deferred amounts reconcile to schedules, and journal and disclosure outputs tie to the approved reporting totals. Adoption would follow only after a read-only shadow prototype demonstrates that the modules recombine correctly.","structural_mapping":[{"archetype_element":"Entangled whole","domain_realization":"The single revenue-recognition workpaper combines source lineage, policy judgment, estimates, allocation, scheduling, posting, and disclosure logic in one dependency graph."},{"archetype_element":"Cohesive responsibility partition","domain_realization":"The six modules are cut according to accounting responsibilities that have different inputs, expertise, owners, and reasons to change."},{"archetype_element":"Explicit module boundary","domain_realization":"Each module owns its internal calculations and output dataset; cross-module direct cell references are prohibited."},{"archetype_element":"Interface contract","domain_realization":"Versioned handoff tables define required identifiers, amounts, dates, policy versions, lineage, statuses, exception codes, and validation rules."},{"archetype_element":"Encapsulation","domain_realization":"A module may revise its internal formulas or procedures without exposing them downstream, provided its approved interface meaning and validation rules remain satisfied."},{"archetype_element":"Module steward","domain_realization":"Management assigns accountable stewards for source provenance, policy classification, measurement, allocation, scheduling, and reporting outputs."},{"archetype_element":"Compatibility check","domain_realization":"Automated and reviewer-inspected tests validate schema compatibility, identifier uniqueness, population completeness, and permitted rounding or adjustment differences at every handoff."},{"archetype_element":"Integration policy","domain_realization":"End-to-end accounting identities and ledger/disclosure tie-outs verify that locally valid modules still produce the approved reporting whole."},{"archetype_element":"Granularity stopping rule","domain_realization":"A module is not split further when another handoff would add more review and reconciliation work than responsibility clarity; modules are merged if correct accounting repeatedly requires shared internal decisions."}],"mechanism_mapping":[{"mechanism_slug":"functional_decomposition","role":"Partition the calculation by accounting responsibility and reason for change rather than by existing worksheet layout.","counterfactual_removal":"Without this partition, the workpaper remains a renamed monolith and local reasoning is not created."},{"mechanism_slug":"define_interfaces_and_handoffs","role":"Replace implicit cross-sheet dependencies with versioned input/output tables and validation rules.","counterfactual_removal":"Without declared handoffs, hidden coupling persists and downstream users must understand upstream internals."},{"mechanism_slug":"assign_ownership_and_governance","role":"Give each module a management steward and assign the controller responsibility for interfaces and whole-chain outcomes.","counterfactual_removal":"Without stewardship, discrepancies at module boundaries can remain unowned and the boundaries become decorative."},{"mechanism_slug":"establish_reintegration_policy","role":"Apply population, accounting-identity, journal, and disclosure checks after local module execution.","counterfactual_removal":"Without reintegration checks, modules could pass local reviews while collectively dropping, duplicating, or misclassifying amounts."}],"causal_chain":["Responsibilities that change for different reasons are embedded in one shared formula-and-override graph.","A local rule, estimate, or source-mapping change can therefore require edits across several sections, making intended numerical propagation difficult to distinguish from accidental coupling.","Responsibility-aligned boundaries place each kind of decision and calculation under one accountable module.","Versioned handoff tables expose the information that legitimately crosses each boundary and prevent downstream logic from reaching into upstream implementation details.","An authorized local implementation change can then remain inside its owning module while its numerical consequences propagate through declared outputs.","Named stewardship makes preparation, approval, exception handling, and boundary maintenance assignable.","Cross-module compatibility checks and whole-chain accounting reconciliations test whether the locally processed results still compose into complete and coherent reporting outputs.","If these conditions hold, change review can focus on the owning module, declared downstream effects, and system-level reconciliations rather than re-examining unrelated internal logic."],"baseline":"Continue using the approved end-to-end workpaper and its existing global formula tracing, checklist review, and final ledger reconciliations. This baseline avoids new handoffs and may be preferable when the contract population is small, rules are stable, or the accounting judgments genuinely require continuous co-design across all stages.","nearest_rivals":["Workbook cleanup using named ranges, protected tabs, and standardized formulas: this may improve readability, but it is a weaker rival if responsibilities, ownership, and cross-stage dependencies remain unchanged; if it creates real boundaries and contracts, it converges on the proposed intervention.","Data-lineage visualization: it can reveal dependencies without changing who owns them or preventing modules from reaching into each other's internals.","Additional endpoint reconciliations and exception dashboards: these can detect final discrepancies but do not localize the calculation responsibility that produced them.","Audit decomposition by account, process cycle, or financial-statement assertion: this partitions audit procedures and reviewers rather than the underlying accounting calculation and its change paths.","Replacement with an automated revenue subledger: this could provide workflow and controls, but it is a broader system replacement and succeeds contrastively only if its internal responsibility boundaries, interfaces, and reintegration evidence are inspectable."],"remaining_contrastive_claim":"Conditional on cross-stage coupling being the observed bottleneck, the candidate's testable distinction is that it redraws the accounting calculation and ownership structure itself: local logic is encapsulated behind declared handoffs, while end-to-end accounting identities preserve reporting coherence. Approaches that add documentation, reviewers, lineage displays, or endpoint checks without changing those boundaries do not make the same structural intervention.","authority_safety":{"decision_authority":"Management retains responsibility for the accounting records and controls. The corporate controller, with the technical-accounting policy owner and relevant system or data owners, may approve a shadow prototype and any later process change; material policy or control changes follow the organization's existing governance. The external auditor retains independent audit judgment and must not design, own, or operate management's modules or controls.","authorized_first_step":"The controller may authorize a read-only, de-identified shadow reconstruction for one already-closed reporting period using approved copies of inputs and outputs. Management personnel build and operate it; an internal-control reviewer may inspect it, and the external auditor may only observe or evaluate evidence if permitted by independence requirements.","excluded_actions":["Posting, reversing, or altering ledger entries","Changing an approved accounting policy or contract conclusion","Editing the production workpaper, source system, or closed-period data","Using production write credentials","Suppressing or overwriting unresolved reconciliation exceptions","Exposing customer or contract data beyond approved personnel and storage","Allowing the external auditor to make management decisions, build the control, or predetermine an audit conclusion"],"halt_rollback":"Stop the pilot if it requires live write access, loses source-to-output lineage, creates an unexplained reconciliation difference, exposes data outside the approved boundary, or creates an auditor-independence concern. Because the first step is shadow-only, rollback is to retain the approved production process, quarantine or dispose of pilot artifacts under authorized retention rules, and document unresolved exceptions before any redesign."},"negative_tests":{"strongest_counterevidence":"The apparent entanglement may reflect irreducible accounting interdependence: portfolio-level estimates, modification judgments, allocation, recognition, and disclosure could require continuous joint reasoning. A dependency map may also show that the existing workpaper already localizes changes and that observed errors instead originate in incomplete source data or unresolved policy judgments.","problem_falsifier":"Map the existing dependencies and replay representative source-mapping, estimate, and modification-classification changes from one closed period. If each requires edits only within an already documented responsibility area, propagates solely through declared handoffs, has an identifiable existing owner, and reveals no unexplained cross-stage dependency, the proposed entanglement problem is falsified for that scope.","intervention_falsifier":"After one permitted boundary-redraw iteration, reject the intervention for the pilot scope if the shadow modules cannot reproduce approved outputs under existing rounding and exception rules; if correct processing requires routine access to most other modules' internal details; or if controlled local perturbations require internal edits in multiple unrelated modules rather than declared output propagation.","risks":["Artificial boundaries could hide accounting judgments that require joint consideration.","Interface errors could drop, duplicate, stale-date, or misidentify contract records.","Policy versions and module implementations could drift apart.","A passing reconciliation could create false assurance if the encoded invariant is incomplete or wrong.","Excessive module granularity could add handoffs and delay the close.","Parallel operation of the approved workpaper and shadow model could produce version confusion.","Contract-level pilot data could create confidentiality or retention exposure.","Stewardship assignments could create silos or obscure the controller's end-to-end responsibility.","Auditor participation could impair or appear to impair independence if it crosses from evaluation into management." ]},"next_evidence_step":"For one already-closed month and one contract family, select at most 20 de-identified contracts, including available modification cases. Using read-only copies, first map the current formula, override, and reviewer dependency paths. Then build a six-module vertical shadow slice with the proposed handoff schema, replay the approved journal and disclosure outputs, and apply two controlled perturbations—one source mapping and one classification rule—without posting anything. Record which module internals require edits, which declared outputs change, every reconciliation exception, and whether an independent internal reviewer can attribute each exception to an owner. Proceed beyond the pilot only if outputs reconcile under approved rules and dependencies fit bounded interfaces; otherwise stop or reject the proposed boundaries.","prior_art_status":"UNSEARCHED","diversity_from_prior_proposals":"No comparison with prior proposals was performed under runtime isolation. Internally, this candidate is characterized by decomposing the underlying revenue-accounting calculation and management ownership chain, rather than merely dividing audit assignments or adding final reconciliations.","revision_record":{"parent_version":null,"progress_targets_addressed":["Initial complete candidate; no prior revision targets existed."],"conceptual_changes":["Formulated a responsibility-aligned decomposition of a contract-revenue workpaper with explicit system-level coherence conditions."],"operational_changes":["Specified a read-only closed-period shadow pilot, module stewards, versioned handoffs, integration checks, halt conditions, and rollback."],"evidence_changes":["Prior art remains unsearched; only bounded internal dependency, replay, perturbation, and reconciliation evidence is proposed."],"claim_changes":["Claims are conditional and falsifiable; no novelty, prevalence, demand, or effect-size claim is made."]}}