{
  "schema_version": 1,
  "nodes": [
    {
      "id": "directory",
      "type": "source.reference",
      "label": "Frozen directory and contact snapshot",
      "position": {"x": 40, "y": 60},
      "config": {
        "source_ref": "snapshot:directory-2026-01",
        "source_name": "directory_snapshot",
        "expected_fingerprint": "sha256:synthetic-directory-2026-01",
        "consistency": "frozen",
        "source_columns": [
          "recipient_key", "display_name", "identity_id", "group_key",
          "organization_unit_id", "function_id", "region", "purpose",
          "effective", "effective_from", "effective_until",
          "preferred_target", "preferred_contact_point_id", "preferred_channel",
          "fallback_target", "fallback_contact_point_id", "fallback_channel",
          "preference_decision", "sort_order"
        ]
      }
    },
    {
      "id": "group-filter",
      "type": "filter",
      "label": "Typed group",
      "position": {"x": 260, "y": 60},
      "config": {"column": "group_key", "operator": "eq", "value": {"$parameter": "group_key"}}
    },
    {
      "id": "organization-filter",
      "type": "filter",
      "label": "Organization unit",
      "position": {"x": 480, "y": 60},
      "config": {"column": "organization_unit_id", "operator": "eq", "value": "district-north"}
    },
    {
      "id": "function-filter",
      "type": "filter",
      "label": "Effective function",
      "position": {"x": 700, "y": 60},
      "config": {"column": "function_id", "operator": "eq", "value": "resident-service"}
    },
    {
      "id": "region-filter",
      "type": "filter",
      "label": "Geography",
      "position": {"x": 920, "y": 60},
      "config": {"column": "region", "operator": "eq", "value": {"$parameter": "region"}}
    },
    {
      "id": "purpose-filter",
      "type": "filter",
      "label": "Distribution purpose",
      "position": {"x": 1140, "y": 60},
      "config": {"column": "purpose", "operator": "eq", "value": {"$parameter": "purpose"}}
    },
    {
      "id": "effective-filter",
      "type": "filter",
      "label": "Effective-dated assignment",
      "position": {"x": 1360, "y": 60},
      "config": {"column": "effective", "operator": "eq", "value": true}
    },
    {
      "id": "contact-fallback",
      "type": "calculate",
      "label": "Resolve preferred or fallback contact",
      "position": {"x": 1580, "y": 60},
      "config": {
        "calculations": [
          {"target_column": "selected_target", "expression": "coalesce(preferred_target, fallback_target)", "result_type": "string"},
          {"target_column": "selected_contact_point_id", "expression": "coalesce(preferred_contact_point_id, fallback_contact_point_id)", "result_type": "string"},
          {"target_column": "selected_channel", "expression": "coalesce(preferred_channel, fallback_channel)", "result_type": "string"},
          {"target_column": "email", "expression": "CASE WHEN selected_channel = 'email' THEN selected_target ELSE NULL END", "result_type": "string"},
          {"target_column": "postal_address", "expression": "CASE WHEN selected_channel = 'postal' THEN selected_target ELSE NULL END", "result_type": "string"},
          {"target_column": "account_id", "expression": "CASE WHEN selected_channel = 'internal_mail' THEN selected_target ELSE NULL END", "result_type": "string"},
          {"target_column": "portal_target", "expression": "CASE WHEN selected_channel = 'portal' THEN selected_target ELSE NULL END", "result_type": "string"}
        ]
      }
    },
    {
      "id": "directory-fields",
      "type": "select",
      "label": "Canonical recipient candidate",
      "position": {"x": 1800, "y": 60},
      "config": {
        "fields": [
          "recipient_key", "display_name", "identity_id", "group_key",
          "organization_unit_id", "function_id", "selected_target",
          "selected_contact_point_id", "selected_channel", "email",
          "postal_address", "account_id", "portal_target",
          "preference_decision", "sort_order"
        ]
      }
    },
    {
      "id": "candidate-quality",
      "type": "quality.rules",
      "label": "Recipient quality gate",
      "position": {"x": 2020, "y": 60},
      "config": {
        "rules": [
          {"id": "recipient-key", "column": "recipient_key", "operator": "not_null"},
          {"id": "delivery-target", "column": "selected_target", "operator": "not_null"},
          {"id": "contact-point", "column": "selected_contact_point_id", "operator": "not_null"}
        ],
        "action": "drop"
      }
    },
    {
      "id": "manual",
      "type": "source.reference",
      "label": "Frozen manual includes",
      "position": {"x": 1580, "y": 300},
      "config": {
        "source_ref": "snapshot:manual-includes-2026-01",
        "source_name": "manual_includes",
        "expected_fingerprint": "sha256:synthetic-manual-includes-2026-01",
        "consistency": "frozen",
        "source_columns": [
          "recipient_key", "display_name", "identity_id", "group_key",
          "organization_unit_id", "function_id", "selected_target",
          "selected_contact_point_id", "selected_channel", "email",
          "postal_address", "account_id", "portal_target",
          "preference_decision", "sort_order"
        ]
      }
    },
    {
      "id": "append-includes",
      "type": "combine.union",
      "label": "Append manual includes",
      "position": {"x": 2240, "y": 170},
      "config": {"mode": "all"}
    },
    {
      "id": "deduplicate",
      "type": "distinct",
      "label": "One candidate per identity",
      "position": {"x": 2460, "y": 170},
      "config": {"columns": ["recipient_key"]}
    },
    {
      "id": "suppressions",
      "type": "source.reference",
      "label": "Frozen channel suppressions",
      "position": {"x": 2240, "y": 410},
      "config": {
        "source_ref": "snapshot:suppressions-2026-01",
        "source_name": "channel_suppressions",
        "expected_fingerprint": "sha256:synthetic-suppressions-2026-01",
        "consistency": "frozen",
        "source_columns": ["recipient_key", "suppression_reason"]
      }
    },
    {
      "id": "apply-suppressions",
      "type": "combine.join",
      "label": "Attach suppression decisions",
      "position": {"x": 2680, "y": 250},
      "config": {
        "join_type": "left",
        "left_keys": ["recipient_key"],
        "right_keys": ["recipient_key"],
        "right_prefix": "suppression_"
      }
    },
    {
      "id": "decision-columns",
      "type": "calculate",
      "label": "Classify channel decision",
      "position": {"x": 2900, "y": 250},
      "config": {
        "calculations": [
          {"target_column": "distribution_status", "expression": "CASE WHEN suppression_suppression_reason IS NOT NULL THEN 'suppressed' ELSE 'usable' END", "result_type": "string"},
          {"target_column": "exclusion_reason", "expression": "suppression_suppression_reason", "result_type": "string"},
          {"target_column": "policy_decision", "expression": "coalesce(suppression_suppression_reason, preference_decision)", "result_type": "string"}
        ]
      }
    },
    {
      "id": "decision-fields",
      "type": "select",
      "label": "Canonical audience decision",
      "position": {"x": 3120, "y": 250},
      "config": {
        "fields": [
          "recipient_key", "display_name", "identity_id",
          "organization_unit_id", "function_id", "email", "postal_address",
          "account_id", "portal_target",
          {"column": "selected_contact_point_id", "alias": "contact_point_id"},
          "selected_channel", "distribution_status", "exclusion_reason",
          "policy_decision", "sort_order"
        ]
      }
    },
    {
      "id": "stable-order",
      "type": "sort",
      "label": "Stable recipient order",
      "position": {"x": 3340, "y": 250},
      "config": {
        "fields": [
          {"column": "sort_order", "direction": "asc"},
          {"column": "recipient_key", "direction": "asc"}
        ]
      }
    },
    {
      "id": "expected",
      "type": "source.reference",
      "label": "Frozen expected audience",
      "position": {"x": 3340, "y": 500},
      "config": {
        "source_ref": "snapshot:expected-audience-2026-01",
        "source_name": "expected_audience",
        "expected_fingerprint": "sha256:synthetic-expected-audience-2026-01",
        "consistency": "frozen",
        "source_columns": [
          "recipient_key", "display_name", "identity_id",
          "organization_unit_id", "function_id", "email", "postal_address",
          "account_id", "portal_target", "contact_point_id",
          "selected_channel", "distribution_status", "exclusion_reason",
          "policy_decision"
        ]
      }
    },
    {
      "id": "reconcile",
      "type": "reconcile.compare",
      "label": "Reconcile expected audience",
      "position": {"x": 3560, "y": 350},
      "config": {
        "left_keys": ["recipient_key"],
        "right_keys": ["recipient_key"],
        "compare_columns": [
          "selected_channel", "contact_point_id", "distribution_status",
          "exclusion_reason", "policy_decision"
        ],
        "right_prefix": "actual_"
      }
    },
    {
      "id": "reconciled-only",
      "type": "filter",
      "label": "Require exact reconciliation",
      "position": {"x": 3780, "y": 350},
      "config": {"column": "_reconciliation_status", "operator": "eq", "value": "match"}
    },
    {
      "id": "output-fields",
      "type": "select",
      "label": "Distribution-list dataset",
      "position": {"x": 4000, "y": 350},
      "config": {
        "fields": [
          "recipient_key", "display_name", "identity_id",
          "organization_unit_id", "function_id", "email", "postal_address",
          "account_id", "portal_target", "contact_point_id",
          "selected_channel", "distribution_status", "exclusion_reason",
          "policy_decision", "_reconciliation_status"
        ]
      }
    },
    {
      "id": "output",
      "type": "output",
      "label": "Pinned audience output",
      "position": {"x": 4220, "y": 350},
      "config": {}
    }
  ],
  "edges": [
    {"id": "e01", "source": "directory", "target": "group-filter"},
    {"id": "e02", "source": "group-filter", "target": "organization-filter"},
    {"id": "e03", "source": "organization-filter", "target": "function-filter"},
    {"id": "e04", "source": "function-filter", "target": "region-filter"},
    {"id": "e05", "source": "region-filter", "target": "purpose-filter"},
    {"id": "e06", "source": "purpose-filter", "target": "effective-filter"},
    {"id": "e07", "source": "effective-filter", "target": "contact-fallback"},
    {"id": "e08", "source": "contact-fallback", "target": "directory-fields"},
    {"id": "e09", "source": "directory-fields", "target": "candidate-quality"},
    {"id": "e10", "source": "candidate-quality", "target": "append-includes"},
    {"id": "e11", "source": "manual", "target": "append-includes"},
    {"id": "e12", "source": "append-includes", "target": "deduplicate"},
    {"id": "e13", "source": "deduplicate", "target": "apply-suppressions", "target_port": "left"},
    {"id": "e14", "source": "suppressions", "target": "apply-suppressions", "target_port": "right"},
    {"id": "e15", "source": "apply-suppressions", "target": "decision-columns"},
    {"id": "e16", "source": "decision-columns", "target": "decision-fields"},
    {"id": "e17", "source": "decision-fields", "target": "stable-order"},
    {"id": "e18", "source": "expected", "target": "reconcile", "target_port": "left"},
    {"id": "e19", "source": "stable-order", "target": "reconcile", "target_port": "right"},
    {"id": "e20", "source": "reconcile", "target": "reconciled-only"},
    {"id": "e21", "source": "reconciled-only", "target": "output-fields"},
    {"id": "e22", "source": "output-fields", "target": "output"}
  ]
}