{"assessments":[{"causal_path_distinct":true,"independent_opportunity":true,"intervention_distinct":true,"p2_complete":true,"pair_id":"E13I086","problem_distinct":true,"reason":"P2 addresses tolerance/pairing information loss in interference fits, using continuous fit margins and configuration boundaries, rather than fatigue-event representation for crane ropes. It is complete and faithful to the model-granularity archetype.","structurally_faithful":true},{"causal_path_distinct":true,"independent_opportunity":true,"intervention_distinct":true,"p2_complete":true,"pair_id":"E13I088","problem_distinct":true,"reason":"P2 addresses ambiguous physical deterioration through a spatial, multi-material witness differential, distinct from explaining discovery-search failures. It retains rival comparison, defeasibility, and discriminating probes.","structurally_faithful":true},{"causal_path_distinct":false,"independent_opportunity":false,"intervention_distinct":false,"p2_complete":true,"pair_id":"E13I030","problem_distinct":true,"reason":"P2 changes the administrative trace from inspection clustering to comment clustering, but uses the same action-limited explanation docket/ledger, candidate matrix, minimal probe, and revision loop. It is a close domain variant, not an independent opportunity.","structurally_faithful":true},{"causal_path_distinct":true,"independent_opportunity":true,"intervention_distinct":true,"p2_complete":true,"pair_id":"E13I024","problem_distinct":true,"reason":"P2 monitors physical material loss in manuscripts through noncontact metrology and witness materials, rather than deterioration of interpretive warrant in edition notes. Both are complete but causally and operationally distinct.","structurally_faithful":true},{"causal_path_distinct":false,"independent_opportunity":false,"intervention_distinct":false,"p2_complete":true,"pair_id":"E13I084","problem_distinct":true,"reason":"P2 substitutes a qualifying examination for a critical edition but preserves the same predecessor-constraint inventory, core contract, admission gate, complexity budget, staged deferral, and launchability logic. It is a direct domain variant.","structurally_faithful":true},{"causal_path_distinct":false,"independent_opportunity":false,"intervention_distinct":false,"p2_complete":true,"pair_id":"E13I108","problem_distinct":false,"reason":"P2 is another library successor-service application of the same constraint-memory, scope-firewall, budget, staged-release, and fallback protocol. Its structural problem and causal path are not meaningfully distinct from P1.","structurally_faithful":true}]}