Phase 7 live adapter prep layer

migrations/025_create_live_operation_audits.sql

@@ -0,0 +1,29 @@
+create table if not exists live_operation_audits (
+    id bigserial primary key,
+    adapter_name text not null,
+    operation_type text not null,
+    status text not null,
+    execution_ticket_id bigint references execution_tickets(id),
+    execution_id bigint references trade_executions(id),
+    signal_id bigint references trade_signals(id),
+    instrument_id bigint references instruments(id),
+    requested_by text,
+    requested_at timestamptz not null,
+    completed_at timestamptz,
+    live_trading_enabled boolean not null default false,
+    explicit_confirmation boolean not null default false,
+    payload jsonb not null default '{}'::jsonb,
+    result jsonb not null default '{}'::jsonb,
+    reason_codes jsonb not null default '[]'::jsonb,
+    created_at timestamptz not null default now(),
+    updated_at timestamptz not null default now()
+);
+
+create index if not exists idx_live_operation_audits_requested_desc
+on live_operation_audits (requested_at desc);
+
+create index if not exists idx_live_operation_audits_ticket_requested_desc
+on live_operation_audits (execution_ticket_id, requested_at desc);
+
+create index if not exists idx_live_operation_audits_execution_requested_desc
+on live_operation_audits (execution_id, requested_at desc);