CREATE INDEX IF NOT EXISTS idx_audit_media_id ON audit_log (media_id);

CREATE INDEX IF NOT EXISTS idx_audit_timestamp ON audit_log (timestamp);

CREATE INDEX IF NOT EXISTS idx_audit_action ON audit_log (action);

CREATE INDEX IF NOT EXISTS idx_media_content_hash ON media_items (content_hash);

CREATE INDEX IF NOT EXISTS idx_media_media_type ON media_items (media_type);

CREATE INDEX IF NOT EXISTS idx_media_created_at ON media_items (created_at);