Phase 5 plan replay backtest

migrations/023_add_plan_replay_backtest_dimensions.sql

@@ -0,0 +1,24 @@
+alter table if exists backtest_runs
+    add column if not exists subject_type text,
+    add column if not exists trading_plan_id bigint references trading_plans(id),
+    add column if not exists candidate_model_code text;
+
+update backtest_runs
+set subject_type = coalesce(subject_type, 'signal');
+
+create index if not exists idx_backtest_runs_subject_started_desc
+on backtest_runs (subject_type, started_ts desc);
+
+create index if not exists idx_backtest_runs_plan_started_desc
+on backtest_runs (trading_plan_id, started_ts desc);
+
+alter table if exists backtest_results
+    add column if not exists trading_plan_id bigint references trading_plans(id),
+    add column if not exists candidate_id bigint references trade_plan_candidates(id),
+    add column if not exists candidate_model_code text;
+
+create index if not exists idx_backtest_results_plan_id
+on backtest_results (trading_plan_id, id desc);
+
+create index if not exists idx_backtest_results_candidate_id
+on backtest_results (candidate_id, id desc);