"Company" channel fell through to `listTopLevelAgentIds`, so a
broadcast on the most ambient-sounding channel in the product only
reached agents with `reports_to IS NULL`. The label said company;
the semantics said board-only. The rest of the org never knew a
message existed.
Add `listCompanyBroadcastAgentIds` — returns every non-terminated,
non-paused, non-pending agent for the company — and wire it through
the `company` case in `resolveMessageWakeTargets`. Board-only
fan-outs are still reachable: the `incident` channel keeps the
broader pingable set (paused-by-budget included) and direct DMs to
top-level agents work as before.
The prompt doc catches up to the runtime: company is explicitly
framed as all-hands, with board-only guidance redirected to DMs or
incidents. The message-dispatch unit test asserts the new fan-out.
ZacharyZhang-NY
d47e637a45