Namely, again switching `|`-union syntax to rm adjacent white space.
Also, flip to multiline style for threshold comparison in
`.binance.feed` and change gap-check threshold to `timeframe` (vs
a hardcoded `60`s) in the `get_ohlc()` closure.
(this commit msg was generated in some part by [`claude-code`][claude-code-gh])
[claude-code-gh]: https://github.com/anthropics/claude-code