TASK
Finance Invoice critical triage

Investigate the anchor finance invoice, take ownership of a critical queue escalation, preserve an auditable chain of evidence, and finish with independent manager approval.

SEEDED CONTEXT
[{"bindings": {"actor_id": ["harbor-litigation-finance_invoices-manager", "harbor-litigation-finance_invoices-operator-b"], "assignee_id": ["harbor-litigation-finance_invoices-operator-a", "harbor-litigation-finance_invoices-operator-b"], "invoice_id": ["invoice_0ca9070530789a64"], "kind": ["escalation-evidence"], "priority": ["normal", "critical"]}, "namespace": "finance_invoices"}]

SUCCESS CRITERIA
[{"comparator": "eq", "expected": "Paid", "field": "status", "namespace": "finance_invoices"}, {"comparator": "eq", "expected": 2, "field": "audit events with action 'advance' (exactly)", "namespace": "finance_invoices"}, {"comparator": "eq", "expected": 1, "field": "audit events with action 'approve' (exactly)", "namespace": "finance_invoices"}, {"comparator": "eq", "expected": 0, "field": "audit events with action 'reject' (exactly)", "namespace": "finance_invoices"}, {"comparator": "eq", "expected": 0, "field": "audit events with action 'reopen' (exactly)", "namespace": "finance_invoices"}, {"comparator": "gte", "expected": 1, "field": "audit events with action 'note' (at least)", "namespace": "finance_invoices"}, {"comparator": "gte", "expected": 1, "field": "audit events with action 'attach_document' (at least)", "namespace": "finance_invoices"}, {"comparator": "gte", "expected": 1, "field": "audit events with action 'set_amount' (at least)", "namespace": "finance_invoices"}, {"comparator": "eq", "expected": "harbor-litigation-finance_invoices-operator-b", "field": "assigned_to", "namespace": "finance_invoices"}, {"comparator": "eq", "expected": "critical", "field": "priority", "namespace": "finance_invoices"}, {"comparator": "eq", "expected": 40000, "field": "amount", "namespace": "finance_invoices"}, {"comparator": "eq", "expected": "harbor-litigation-finance_invoices-manager", "field": "approved_by", "namespace": "finance_invoices"}]

Use the available tools against the seeded synthetic environment. Read current state before mutating it, honor workflow preconditions, preserve evidence and audit history, and use an independent approver where required. Do not invent identifiers or claim success before the state criteria are satisfied. Finish with a concise operational summary.
