bandar-check

# Bandar check Broker flow is the one thing this server has that no general market API does. It is also the easiest thing to over-read, so the order below is not optional: establish that the tape is meaningful before saying anything about who is on it. ## The sequence 1. **`market_session`** — is the market open, pre-open, or closed? Today's flow is partial until it closes. Say so rather than quietly presenting half a day as a day. 2. **`broker_summary symbol=… `** — the ledger. Every broker's buy and sell over the window. - `period` takes one of FIVE windows, and only these five: `LATEST`, `YESTERDAY`, `LAST_7_DAYS`, `LAST_3_MONTHS`, `YEAR_TO_DATE`. The longer ten-value list belongs to `broker_top` and `broker_distribution`, which are different endpoints; sending one of those here is rejected, and `LAST_1_DAY` / `LAST_30_DAYS` return a 400 from Stockbit itself. Or give `from`/`to` for an explicit range. Do not do both — the API ignores the dates and answers with the latest session, silently. - `broker_activity` has **no window at all**. Measured 2026-09-01: every value of `period` answers 400 there, so the tool refuses it rather than sending it. Its window is the server's, and it is reported back in `from`/`to` on the result — read those to date the rows. - `transaction_type` is `NET` or `GROSS`. **NET is the question people mean.** GROSS tells you who was busy; NET tells you who ended up holding. - `market_board` def...