create table if not exists backtest_results (
    id bigserial primary key,
    backtest_run_id bigint not null references backtest_runs(id),
    signal_id bigint references trade_signals(id),
    outcome text not null,
    mfe numeric(20,10),
    mae numeric(20,10),
    tp1_hit boolean,
    tp2_hit boolean,
    invalidated_before_entry boolean,
    error_tags jsonb not null default '[]'::jsonb,
    meta jsonb not null default '{}'::jsonb,
    created_at timestamptz not null default now()
);

create index if not exists idx_backtest_results_run_id
on backtest_results (backtest_run_id);

create index if not exists idx_backtest_results_outcome
on backtest_results (outcome);