create table if not exists swings (
    id bigserial primary key,
    instrument_id bigint not null references instruments(id),
    timeframe text not null,
    kind text not null,
    strength text not null,
    price numeric(20,10) not null,
    ts timestamptz not null,
    left_bars integer not null,
    right_bars integer not null,
    confirmed boolean not null default true,
    meta jsonb not null default '{}'::jsonb,
    created_at timestamptz not null default now()
);

create index if not exists idx_swings_instr_tf_ts_desc
on swings (instrument_id, timeframe, ts desc);

create index if not exists idx_swings_instr_tf_kind_ts_desc
on swings (instrument_id, timeframe, kind, ts desc);

create index if not exists idx_swings_instr_tf_strength_ts_desc
on swings (instrument_id, timeframe, strength, ts desc);