{"abstention_reason":null,"arm":"SUBSTRATE_DIVERSE_P2","candidate_id":"second_system_complexity_restraint__engineering_design__SUBSTRATE_DIVERSE_P2","cell_id":"second_system_complexity_restraint__engineering_design","decision":"PROPOSAL","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","proposal":{"actors":["AUV product owner","Naval architect and hydrodynamics engineer","Mechanical and pressure-vessel engineers","Battery and thermal-safety engineer","Reliability and test engineers","Manufacturing and field-recovery technicians","Inspection crews dependent on one-person launch and recovery"],"affected_objective":"Deliver a portable inspection-AUV successor that preserves the predecessor's stable, one-person-deployable inspection capability while correcting selected seal and recovery-visibility failures without creating an unmanageable vehicle.","arm":"SUBSTRATE_DIVERSE_P2","authority_safety":{"authorized_first_step":"Assemble a non-propelled constraint-memory mule from an existing dimensional hull mock-up, removable ballast, passive heat blocks, drag surrogates, load cells, and trim instrumentation; conduct only bench buoyancy and sheltered tow-tank measurements within existing facility limits.","decision_authority":"The naval architect owns buoyancy, stability, and structural-envelope acceptance; the battery-safety engineer controls energized thermal tests; the test-safety officer may stop any lift, immersion, pressure, or towing activity. The product owner may only sequence candidates after these authorities establish physical feasibility.","excluded_actions":["Modifying deployed AUVs or certified pressure hulls","Energizing prototype batteries during the first test","Conducting autonomous, open-water, deep-pressure, or crew-tethered trials","Removing lifting, pressure, electrical, or battery protections to fit an addition","Treating favorable simulation or software output as a substitute for physical mass, trim, drag, heat, and handling measurements"],"halt_rollback":"Stop if the mule exceeds safe lifting limits, develops uncontrolled trim, leaks, overloads a fixture, or requires an unapproved test regime. Drain and de-energize it, remove the last surrogate package, reinstall the predecessor-equivalent ballast and blanking plates, and retain the operational predecessor fleet."},"baseline":"Proceed directly from the successful shallow-water inspection vehicle to a larger universal successor combining deeper operation, longer endurance, multibeam sonar, manipulators, water sampling, interchangeable batteries, acoustic communications, onboard processing, and expanded payload access, with each subsystem assessed mainly in isolation.","candidate_id":"second_system_complexity_restraint__engineering_design__SUBSTRATE_DIVERSE_P2","causal_chain":["The predecessor succeeds partly because its fixed hull volume, modest battery, single forward sonar, sealed payload boundary, and one-person handling limit suppress mass, trim, drag, heat, penetrator, and recovery complexity.","Those same physical limits postpone attractive capabilities and create a visible payload-and-endurance backlog.","Success authorizes a successor with a larger pressure hull and more design freedom, removing the predecessor's natural constraint functions.","Individually plausible additions consume displacement, shift centers of gravity and buoyancy, add wetted drag, reject heat, multiply seals, and increase launch-and-recovery mass through different physical paths.","Because subsystem teams evaluate their additions separately, the cumulative vehicle may appear viable until late integration exposes unstable trim, inadequate reserve buoyancy, shortened endurance, thermal concentration, or unsafe handling.","A full-scale constraint-memory mule reinstates the predecessor's proven displacement, outer-mold-line, handling, and energy envelopes as tangible reference conditions.","Mass, drag, heat, volume, penetrator, and buoyancy surrogates make every proposed addition occupy its real physical burden before detailed successor construction begins.","Tow force, trim, reserve buoyancy, structural load, temperature rise, and handling measurements reveal cumulative interactions that a feature list cannot absorb or conceal.","Finite wet bays with pressure-rated blanking plates preserve a physical path for later payload trials without forcing their mass, seals, or drag into the launch vehicle.","The launch successor can therefore retain core inspection performance and admit only the seal-health witness and high-visibility recovery beacon whose combined physical burden remains inside measured margins."],"cell_id":"second_system_complexity_restraint__engineering_design","consequence":"Without restored physical constraint memory, the successor can become too heavy for field crews, inefficient in transit, thermally crowded, trim-sensitive, seal-rich, and difficult to recover, delaying replacement while producing a less dependable inspection platform than its constrained predecessor.","diversity_from_prior_proposals":"This opportunity addresses hydrodynamic, buoyancy, thermal, sealing, and manual-handling overload in an underwater vehicle. Unlike P1's requirements-governance intervention for a refrigeration controller, its essential intervention is a full-scale physical integration mule with passive load surrogates, finite bays, and direct measurements; neither the affected failure nor the causal path depends on controller configuration, certification scope, or backlog classification.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","intervention":"Build a non-mission constraint-memory integration mule with the predecessor AUV's outer-mold-line, displaced volume, lifting geometry, reserve-buoyancy target, and usable energy-and-heat envelope. Represent each proposed successor capability with a physically faithful package: ballast for mass and center of gravity, foam for buoyancy, shaped appendages for drag, resistive blocks for heat, dummy penetrators for sealing burden, and occupied bay volume. Measure cumulative trim, reserve buoyancy, tow force, lift loads, temperature rise, access clearance, and seal count as packages are combined. Keep launch configuration physically bounded to the proven inspection core plus a passive seal-health witness and high-visibility recovery beacon; close unused standardized wet bays with pressure-rated blanking plates so deeper sonar, manipulator, sampler, communications, and endurance packages can be tested later without burdening the first successor.","mechanism_mapping":[{"counterfactual_removal":"Without the predecessor-sized mule, the old constraints survive only as negotiable documents and the successor's larger envelope silently licenses ambition.","mechanism_slug":"physical_constraint_memory_mule","role":"Materializes the predecessor's displacement, geometry, handling, thermal, and energy limits as the initial successor integration boundary."},{"counterfactual_removal":"Without burden-faithful packages, proposed capabilities can be represented as names or optimistic drawings rather than as mass, buoyancy, drag, heat, volume, seals, and access demand.","mechanism_slug":"load_equivalent_payload_surrogates","role":"Converts deferred ambitions into physical loads before detailed subsystem commitment."},{"counterfactual_removal":"Without cumulative instrumentation, interacting burdens remain separable on paper and late trim, drag, lifting, and thermal failures are not exposed.","mechanism_slug":"integrated_margin_measurement","role":"Measures whole-vehicle margins while candidate packages are combined on the same physical substrate."},{"counterfactual_removal":"Without finite bays and blanking plates, future payload interfaces either flood the launch design or are omitted so completely that stakeholders press for immediate inclusion.","mechanism_slug":"blanked_wet_bay_ladder","role":"Provides a real but unloaded later-stage expansion path with bounded volume, penetrators, and hydrodynamic interfaces."},{"counterfactual_removal":"Without the predecessor-equivalent reset state, failed combinations leave ambiguous residual changes and encourage escalation around sunk integration effort.","mechanism_slug":"ballast_reset_baseline","role":"Restores the mule to known predecessor mass, trim, and drag conditions after each rejected package combination."}],"nearest_rivals":["A conventional digital mass-properties model, which predicts loads but does not force ambitions to occupy a common physical envelope or expose assembly and handling conflicts","A generic prototype vehicle, which may embody the entire ambitious successor instead of preserving predecessor constraints as the comparison baseline","Design-to-weight budgeting, which allocates kilograms but can miss buoyancy location, drag, thermal concentration, sealing, access, and recovery interactions","Modular payload architecture, which enables options but can itself add unused interfaces, seals, volume, and drag to the launch vehicle","Ordinary tank testing, which evaluates hydrodynamics but need not embody the second-system backlog or provide a blanked path for deferred capability"],"negative_tests":{"intervention_falsifier":"The intervention is falsified if burden-faithful mule measurements do not distinguish the bounded launch configuration from the universal successor on trim, reserve buoyancy, tow force, thermal rise, lift load, sealing burden, or maintenance access, or if the same distinction appears after removing the mule and its instruments.","problem_falsifier":"Reject the diagnosis if the predecessor's physical limits did not postpone the listed ambitions, or if current verified missions independently require the deeper rating, expanded sonar, manipulation, sampling, communications, and endurance capabilities in the first successor deployment.","risks":["Surrogates may misrepresent distributed mass, appendage flow, transient heat, or cable-routing effects.","Predecessor geometry may overconstrain a successor whose verified mission requires a different hull form.","Standardized wet bays and blanking hardware may themselves impose unjustified mass, drag, or leak paths.","Sheltered tank results may not transfer to current, fouling, pressure, or recovery conditions.","A physical fit could be mistaken for lifecycle readiness despite unresolved reliability or maintainability."],"strongest_counterevidence":"A verified mission-to-load analysis and physical test showing that the broader successor has lower total drag, safer recovery loads, adequate stability and thermal margin, fewer pressure penetrations, and lower lifecycle burden than the bounded configuration would directly contradict the opportunity."},"next_evidence_step":"Run one predecessor-equivalent baseline and three non-energized package combinations on the mule: bounded launch, endurance-plus-sonar, and universal payload. Record mass, centers of gravity and buoyancy, static trim, reserve buoyancy, tow force at three speeds, lift-point loads, occupied access volume, and penetrator count. The immediate decision is only whether cumulative physical burden separates the configurations enough to justify a full thermal-and-pressure witness test.","observable_state":"Inspect the mule's installed package set and blanking plates; total mass and displaced volume; longitudinal and transverse centers of gravity and buoyancy; static pitch and roll; reserve buoyancy; tow force by speed; predicted endurance from measured drag; lift-point loads; passive heat-block temperature rise; penetrator and seal count; maintenance access clearance; and the repeatability of returning to the predecessor-equivalent ballast state.","prior_art_status":"UNSEARCHED","problem":"A compact shallow-water AUV succeeded as a single-purpose hull-inspection platform because a fixed payload, short endurance, sealed electronics boundary, limited depth rating, and one-person launch geometry kept buoyancy, trim, drag, heat, leak paths, and handling loads bounded. Its success has now released a postponed stockpile—deeper operation, longer endurance, multibeam sonar, a manipulator, sampling, interchangeable batteries, acoustic communications, and expanded onboard processing—into one universal successor. Each capability appears feasible alone, but no common physical artifact currently exposes their cumulative effect before the new vehicle is committed.","proposal_index":2,"remaining_contrastive_claim":"The testable claim is that physically reinstating the successful predecessor's envelope and requiring deferred capabilities to manifest as cumulative mass, buoyancy, drag, heat, volume, and sealing loads will preserve successor launchability more effectively than reviewing those capabilities separately, while blanked wet bays retain a credible later expansion path.","revision_record":{"claim_changes":["Initial independent P2 candidate; no earlier P2 claims exist."],"conceptual_changes":["Instantiated second-system restraint as a physical and measurement intervention rather than requirements governance.","Made predecessor constraint memory a full-scale material reference and the release ladder a set of unloaded, pressure-blanked payload bays."],"evidence_changes":["No external evidence or prior-art search was used."],"operational_changes":["Bounded the first test to a non-propelled, non-energized mule and four physical configurations including the reset baseline."],"parent_version":null,"progress_targets_addressed":["Material independence from sealed P1","Primary physical and measurement causal substrate","Explicit predecessor-success and released-ambition structure","Cumulative whole-system observables","Physical deferred-ambition path","Authority, safety, halt, and rollback conditions","Problem and intervention falsifiers"]},"schema_version":1,"structural_mapping":[{"archetype_element":"Successful but constrained predecessor","domain_realization":"A fixed-payload shallow-water AUV performs reliable hull inspection within a compact displacement and one-person handling envelope."},{"archetype_element":"Predecessor constraint memory","domain_realization":"A full-scale mule physically reproduces the predecessor's hull geometry, displacement, lift points, usable energy, and heat-rejection envelope."},{"archetype_element":"Deferred ambition stockpile","domain_realization":"Depth, endurance, sonar, manipulation, sampling, communication, battery, and processing capabilities accumulated outside the predecessor boundary."},{"archetype_element":"Constraint release","domain_realization":"A larger successor hull and expanded budget remove the natural volume, mass, sealing, and handling limits that previously forced prioritization."},{"archetype_element":"Successor core contract","domain_realization":"The launch vehicle preserves stable portable inspection while adding only a seal-health witness and improved recovery visibility."},{"archetype_element":"Ambition triage","domain_realization":"Each proposed capability must appear as a burden-faithful physical package and coexist with other packages on the same mule."},{"archetype_element":"Complexity and scope budget","domain_realization":"Finite displacement, buoyancy margin, tow force, heat rejection, lift load, bay volume, penetrators, and access clearance form measured cumulative budgets."},{"archetype_element":"Staged release ladder","domain_realization":"Unused standardized wet bays remain closed by pressure-rated blanking plates until later payloads pass combined physical tests."},{"archetype_element":"Launchability gate","domain_realization":"A configuration advances only while measured stability, buoyancy, drag, thermal, sealing, access, and handling margins remain acceptable."},{"archetype_element":"Rollback or escape path","domain_realization":"Removable packages return the mule to predecessor-equivalent ballast and blanking conditions, while deployed predecessor vehicles remain unchanged."}],"substrate_contract":{"counterfactual_independence":"If all software, algorithms, databases, digital control, admission rubrics, and organizational review are removed, the fixed-volume mule, ballast, foam, drag shapes, heat blocks, dummy penetrators, blanking plates, load cells, and trim/tow measurements still expose and limit the cumulative physical burden. That physical comparison supplies the essential effect.","forbidden_channel_audit":"Governance only schedules tests and assigns safety authority; labels only identify packages; optional digital logging records readings. No policy, incentive, training, routing, model, database, or control algorithm creates the margin differences or enforces fit. Those differences arise from material occupancy, mechanics, fluid drag, buoyancy, heat transfer, seals, and direct instrumentation.","primary_allowed_process":"MEASUREMENT_INSTRUMENTATION"},"title":"Constraint-Memory Integration Mule for a Portable Inspection-AUV Successor","version":0},"schema_version":1}