-- Down 015: restore the per-user RLS-scoped transcripts shape (001 + 003).
DROP TABLE transcripts;

CREATE TABLE transcripts (
    video_id    UUID PRIMARY KEY REFERENCES videos(id) ON DELETE CASCADE,
    user_id     UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    source      TEXT NOT NULL,
    language    TEXT,
    content     TEXT,
    resolved_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

CREATE INDEX idx_transcripts_user_id ON transcripts(user_id);

ALTER TABLE transcripts ENABLE ROW LEVEL SECURITY;
ALTER TABLE transcripts FORCE ROW LEVEL SECURITY;
CREATE POLICY transcripts_isolation ON transcripts
    FOR ALL
    USING (user_id = current_setting('tapir.current_user_id', true)::uuid);