Array of {"source", "id", ...}. Sources: "data.gov.my" (id from the data.gov.my catalogue, e.g. fuelprice, population_malaysia, exchangerates), "opendosm" (e.g. cpi_headline, cpi_core, gdp_qtr_real, lfs_month), "bnm" (exchange-rate, opr, interest-rate, interest-volume, islamic-interbank-rate, interbank-swap, kijang-emas, usd-interbank-intraday-rate, kl-usd-reference-rate, fx-turn-over; optional "path" such as "date/2026-10-01" or "year/2026/month/9", optional "query" {"session": "1200", "quote": "rm"}), "data.gov.sg" (id like d_8b84c4ee58e3cfc0ece0d773c8ca6abc; optional "q", "filters" object, "sort" e.g. "month desc"). Optional "limit" per dataset. data.gov.my/OpenDOSM also accept filter, ifilter, contains, icontains, range, sort (e.g. -date), date_start, date_end, include, exclude. Shorthand strings like "opendosm:cpi_headline" work too. Max 200 per run.