{
  "cases": [
    {
      "customization_request_id": "CR-101",
      "canonical_core_ref": "core@9.2",
      "tenant_or_deploy_scope": "customer-a/prod",
      "variation_type": "OVERLAY",
      "extension_or_config_ref": "overlay:customer-a:v2",
      "compatibility_window": "core>=9,<10",
      "upgrade_test_ref": "test:overlay:9.2",
      "security_patch_path": "canonical-first+rebuild-overlay",
      "support_owner": "platform-customization",
      "support_tier_impact": "STANDARD",
      "divergence_budget": "0-source-patches",
      "fork_trigger": "source-divergence|patch-blocked",
      "fork_exception_owner": "architecture-board",
      "sunset_or_rejoin_condition": "N/A_STANDARD",
      "evidence_ref": [
        "ev:arc022:baseline"
      ],
      "security_patch_mergeable": true,
      "source_divergence": false,
      "upgrade_test_pass": true,
      "config_documented": true,
      "config_tested": true,
      "config_owner": "platform-customization",
      "uses_internal_unversioned_api": false,
      "isolation_option": false,
      "isolation_contract_explicit": false,
      "upstream_candidate": false,
      "shared_product_fit": false,
      "bounded_fork_exception": false,
      "id": "baseline_overlay"
    },
    {
      "customization_request_id": "CR-202",
      "canonical_core_ref": "core@9.2",
      "tenant_or_deploy_scope": "customer-a/prod",
      "variation_type": "SOURCE_PATCH",
      "extension_or_config_ref": "branch:customer-b",
      "compatibility_window": "core>=9,<10",
      "upgrade_test_ref": "test:overlay:9.2",
      "security_patch_path": "canonical-first+rebuild-overlay",
      "support_owner": "platform-customization",
      "support_tier_impact": "STANDARD",
      "divergence_budget": "EXCEEDED",
      "fork_trigger": "source-divergence|patch-blocked",
      "fork_exception_owner": "architecture-board",
      "sunset_or_rejoin_condition": "N/A_STANDARD",
      "evidence_ref": [
        "ev:arc022:baseline"
      ],
      "security_patch_mergeable": true,
      "source_divergence": true,
      "upgrade_test_pass": false,
      "config_documented": true,
      "config_tested": true,
      "config_owner": "platform-customization",
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      "isolation_option": false,
      "isolation_contract_explicit": false,
      "upstream_candidate": false,
      "shared_product_fit": false,
      "bounded_fork_exception": false,
      "id": "source_branch_drift"
    },
    {
      "customization_request_id": "CR-203",
      "canonical_core_ref": "core@9.2",
      "tenant_or_deploy_scope": "customer-a/prod",
      "variation_type": "CONFIG",
      "extension_or_config_ref": "env:CUSTOM_MODE",
      "compatibility_window": "core>=9,<10",
      "upgrade_test_ref": "test:overlay:9.2",
      "security_patch_path": "canonical-first+rebuild-overlay",
      "support_owner": "platform-customization",
      "support_tier_impact": "STANDARD",
      "divergence_budget": "0-source-patches",
      "fork_trigger": "source-divergence|patch-blocked",
      "fork_exception_owner": "architecture-board",
      "sunset_or_rejoin_condition": "N/A_STANDARD",
      "evidence_ref": [
        "ev:arc022:baseline"
      ],
      "security_patch_mergeable": true,
      "source_divergence": false,
      "upgrade_test_pass": true,
      "config_documented": false,
      "config_tested": false,
      "config_owner": null,
      "uses_internal_unversioned_api": false,
      "isolation_option": false,
      "isolation_contract_explicit": false,
      "upstream_candidate": false,
      "shared_product_fit": false,
      "bounded_fork_exception": false,
      "id": "undocumented_config"
    },
    {
      "customization_request_id": "CR-204",
      "canonical_core_ref": "core@9.2",
      "tenant_or_deploy_scope": "customer-a/prod",
      "variation_type": "PUBLIC_EXTENSION",
      "extension_or_config_ref": "plugin:customer-c:v1",
      "compatibility_window": "UNKNOWN",
      "upgrade_test_ref": "test:overlay:9.2",
      "security_patch_path": "canonical-first+rebuild-overlay",
      "support_owner": "platform-customization",
      "support_tier_impact": "STANDARD",
      "divergence_budget": "0-source-patches",
      "fork_trigger": "source-divergence|patch-blocked",
      "fork_exception_owner": "architecture-board",
      "sunset_or_rejoin_condition": "N/A_STANDARD",
      "evidence_ref": [
        "ev:arc022:baseline"
      ],
      "security_patch_mergeable": true,
      "source_divergence": false,
      "upgrade_test_pass": false,
      "config_documented": true,
      "config_tested": true,
      "config_owner": "platform-customization",
      "uses_internal_unversioned_api": true,
      "isolation_option": false,
      "isolation_contract_explicit": false,
      "upstream_candidate": false,
      "shared_product_fit": false,
      "bounded_fork_exception": false,
      "id": "private_api_plugin_upgrade"
    },
    {
      "customization_request_id": "CR-205",
      "canonical_core_ref": "core@9.2",
      "tenant_or_deploy_scope": "customer-a/prod",
      "variation_type": "SOURCE_PATCH",
      "extension_or_config_ref": "branch:customer-d",
      "compatibility_window": "core>=9,<10",
      "upgrade_test_ref": "test:overlay:9.2",
      "security_patch_path": "canonical-first+rebuild-overlay",
      "support_owner": "platform-customization",
      "support_tier_impact": "STANDARD",
      "divergence_budget": "0-source-patches",
      "fork_trigger": "source-divergence|patch-blocked",
      "fork_exception_owner": "architecture-board",
      "sunset_or_rejoin_condition": "N/A_STANDARD",
      "evidence_ref": [
        "ev:arc022:baseline"
      ],
      "security_patch_mergeable": false,
      "source_divergence": true,
      "upgrade_test_pass": false,
      "config_documented": true,
      "config_tested": true,
      "config_owner": "platform-customization",
      "uses_internal_unversioned_api": false,
      "isolation_option": false,
      "isolation_contract_explicit": false,
      "upstream_candidate": false,
      "shared_product_fit": false,
      "bounded_fork_exception": false,
      "id": "security_patch_blocked"
    },
    {
      "customization_request_id": "CR-206",
      "canonical_core_ref": "core@9.2",
      "tenant_or_deploy_scope": "customer-a/prod",
      "variation_type": "OVERLAY",
      "extension_or_config_ref": "overlay:customer-a:v2",
      "compatibility_window": "core>=9,<10",
      "upgrade_test_ref": "test:overlay:9.2",
      "security_patch_path": "canonical-first+rebuild-overlay",
      "support_owner": "platform-customization",
      "support_tier_impact": "STANDARD",
      "divergence_budget": "0-source-patches",
      "fork_trigger": "source-divergence|patch-blocked",
      "fork_exception_owner": "architecture-board",
      "sunset_or_rejoin_condition": "N/A_STANDARD",
      "evidence_ref": null,
      "security_patch_mergeable": true,
      "source_divergence": false,
      "upgrade_test_pass": true,
      "config_documented": true,
      "config_tested": true,
      "config_owner": "platform-customization",
      "uses_internal_unversioned_api": false,
      "isolation_option": false,
      "isolation_contract_explicit": false,
      "upstream_candidate": false,
      "shared_product_fit": false,
      "bounded_fork_exception": false,
      "id": "missing_decisive_evidence"
    },
    {
      "customization_request_id": "CR-207",
      "canonical_core_ref": "core@9.2",
      "tenant_or_deploy_scope": "customer-a/prod",
      "variation_type": "COMPANION_SERVICE",
      "extension_or_config_ref": "service:customer-e:v1",
      "compatibility_window": "api:v2",
      "upgrade_test_ref": "test:overlay:9.2",
      "security_patch_path": "canonical-first+rebuild-overlay",
      "support_owner": "platform-customization",
      "support_tier_impact": "STANDARD",
      "divergence_budget": "0-source-patches",
      "fork_trigger": "source-divergence|patch-blocked",
      "fork_exception_owner": "architecture-board",
      "sunset_or_rejoin_condition": "N/A_STANDARD",
      "evidence_ref": [
        "ev:arc022:baseline"
      ],
      "security_patch_mergeable": true,
      "source_divergence": false,
      "upgrade_test_pass": true,
      "config_documented": true,
      "config_tested": true,
      "config_owner": "platform-customization",
      "uses_internal_unversioned_api": false,
      "isolation_option": true,
      "isolation_contract_explicit": true,
      "upstream_candidate": false,
      "shared_product_fit": false,
      "bounded_fork_exception": false,
      "id": "isolated_companion"
    },
    {
      "customization_request_id": "CR-303",
      "canonical_core_ref": "core@10.0",
      "tenant_or_deploy_scope": "customer-a/prod",
      "variation_type": "UPSTREAM_PRODUCT_CHANGE",
      "extension_or_config_ref": "proposal:shared-capability:v1",
      "compatibility_window": "core>=10",
      "upgrade_test_ref": "test:shared-capability:planned",
      "security_patch_path": "canonical-release-train",
      "support_owner": "core-platform",
      "support_tier_impact": "STANDARD_AFTER_UPSTREAM",
      "divergence_budget": "0-source-patches",
      "fork_trigger": "source-divergence|patch-blocked",
      "fork_exception_owner": "architecture-board",
      "sunset_or_rejoin_condition": "N/A_STANDARD",
      "evidence_ref": [
        "ev:arc022:baseline"
      ],
      "security_patch_mergeable": true,
      "source_divergence": false,
      "upgrade_test_pass": true,
      "config_documented": true,
      "config_tested": true,
      "config_owner": "platform-customization",
      "uses_internal_unversioned_api": false,
      "isolation_option": false,
      "isolation_contract_explicit": false,
      "upstream_candidate": true,
      "shared_product_fit": true,
      "bounded_fork_exception": false,
      "id": "transfer_upstream"
    }
  ]
}