{
  "lesson_id": "AGN-015",
  "cases": [
    {
      "case": "baseline_defer",
      "architecture_decision_id": "AD-BASE-001",
      "demand_snapshot_id": "DS-2026Q3-A",
      "tenant_count_current": 12,
      "tenant_count_forecast": 24,
      "growth_trigger": "NOT_CLEARED",
      "cost_pressure_signal": "LOW",
      "operational_capacity_signal": "LIMITED",
      "compliance_isolation_requirement": "STANDARD_TENANT_ISOLATION",
      "tenant_context_propagation_ref": "CTX-AUTH-API-JOB-01",
      "isolation_requirement_ref": "ISO-BASE-01",
      "isolation_model": "SILO",
      "resource_sharing_model": "DEDICATED_PER_TENANT",
      "deployment_model": "AUTOMATED_SILO",
      "tenant_to_deployment_map_ref": "MAP-BASE-01",
      "noisy_neighbor_risk": "LOW",
      "blast_radius": "SINGLE_TENANT",
      "per_tenant_quota_ref": "QUOTA-NOT_REQUIRED-SILO",
      "onboarding_automation_state": "PARTIAL",
      "tenant_aware_observability_ref": "OBS-TENANT-01",
      "unit_cost_estimate": "120.00",
      "migration_cost_estimate": "42000.00",
      "decision_option": "DEFER_SHARED_MULTI_TENANCY",
      "decision_state": "DEFERRED",
      "revisit_trigger": "FORECAST_OR_COST_PRESSURE_TRIGGER",
      "owner_approval_ref": "APPROVAL-ARCH-01",
      "audit_ref": "AUDIT-AGN015-BASE"
    },
    {
      "case": "shortcut_forecast_without_context",
      "architecture_decision_id": "AD-BASE-001",
      "demand_snapshot_id": "DS-2026Q3-A",
      "tenant_count_current": 12,
      "tenant_count_forecast": 500,
      "growth_trigger": "CLEARED",
      "cost_pressure_signal": "HIGH",
      "operational_capacity_signal": "READY",
      "compliance_isolation_requirement": "STANDARD_TENANT_ISOLATION",
      "tenant_context_propagation_ref": "UNKNOWN",
      "isolation_requirement_ref": "ISO-BASE-01",
      "isolation_model": "POOL",
      "resource_sharing_model": "SHARED",
      "deployment_model": "SHARED_POOL",
      "tenant_to_deployment_map_ref": "MAP-BASE-01",
      "noisy_neighbor_risk": "LOW",
      "blast_radius": "SINGLE_TENANT",
      "per_tenant_quota_ref": "QUOTA-NOT_REQUIRED-SILO",
      "onboarding_automation_state": "PARTIAL",
      "tenant_aware_observability_ref": "OBS-TENANT-01",
      "unit_cost_estimate": "18.00",
      "migration_cost_estimate": "90000.00",
      "decision_option": "POOL",
      "decision_state": "PROMOTE_POOL",
      "revisit_trigger": "FORECAST_OR_COST_PRESSURE_TRIGGER",
      "owner_approval_ref": "APPROVAL-ARCH-01",
      "audit_ref": "AUDIT-AGN015-BASE"
    },
    {
      "case": "transfer_regulated_hybrid",
      "architecture_decision_id": "AD-TRANSFER-002",
      "demand_snapshot_id": "DS-2026Q4-B",
      "tenant_count_current": 420,
      "tenant_count_forecast": 900,
      "growth_trigger": "CLEARED",
      "cost_pressure_signal": "HIGH",
      "operational_capacity_signal": "READY",
      "compliance_isolation_requirement": "REGULATED_TIER_DEDICATED",
      "tenant_context_propagation_ref": "CTX-END-TO-END-22",
      "isolation_requirement_ref": "ISO-TIERED-22",
      "isolation_model": "HYBRID_STAMP",
      "resource_sharing_model": "SHARED_STANDARD_DEDICATED_REGULATED",
      "deployment_model": "DEPLOYMENT_STAMPS",
      "tenant_to_deployment_map_ref": "MAP-TIER-STAMP-22",
      "noisy_neighbor_risk": "MANAGED",
      "blast_radius": "STAMP_BOUNDED",
      "per_tenant_quota_ref": "QUOTA-TENANT-22",
      "onboarding_automation_state": "AUTOMATED",
      "tenant_aware_observability_ref": "OBS-TENANT-22",
      "unit_cost_estimate": "22.50",
      "migration_cost_estimate": "155000.00",
      "decision_option": "HYBRID_STAMP",
      "decision_state": "PROMOTE_HYBRID_STAMP",
      "revisit_trigger": "REGULATORY_OR_COST_MODEL_CHANGE",
      "owner_approval_ref": "APPROVAL-ARCH-22",
      "audit_ref": "AUDIT-AGN015-TRANSFER"
    }
  ]
}