create table if not exists visual_watch_runs (
    id bigserial primary key,
    trigger_type text not null,
    source_name text not null,
    instrument_id bigint not null references instruments(id) on delete cascade,
    candidate_id bigint references trade_plan_candidates(id) on delete set null,
    signal_id bigint references trade_signals(id) on delete set null,
    decision_packet_id bigint references decision_packets(id) on delete set null,
    symbol text not null,
    timeframe text not null,
    status text not null,
    created_ts timestamptz not null default now(),
    completed_ts timestamptz,
    payload jsonb not null default '{}'::jsonb
);

create index if not exists idx_visual_watch_runs_lookup
on visual_watch_runs (instrument_id, trigger_type, created_ts desc, id desc);

create table if not exists visual_snapshots (
    id bigserial primary key,
    watch_run_id bigint not null references visual_watch_runs(id) on delete cascade,
    source_name text not null,
    image_path text not null,
    captured_ts timestamptz not null,
    status text not null,
    payload jsonb not null default '{}'::jsonb
);

create index if not exists idx_visual_snapshots_watch_captured_desc
on visual_snapshots (watch_run_id, captured_ts desc, id desc);

create table if not exists visual_reviews (
    id bigserial primary key,
    watch_run_id bigint not null references visual_watch_runs(id) on delete cascade,
    snapshot_id bigint references visual_snapshots(id) on delete set null,
    visual_state text not null,
    visual_confidence numeric(6, 4),
    visual_notes text not null default '',
    ui_anomalies jsonb not null default '[]'::jsonb,
    reviewed_ts timestamptz not null,
    payload jsonb not null default '{}'::jsonb
);

create index if not exists idx_visual_reviews_watch_reviewed_desc
on visual_reviews (watch_run_id, reviewed_ts desc, id desc);