The old version described a parallel `buzz-agent-core` crate and a `just
agent-core` recipe, neither of which exists any more -- the goose-backed loop
IS buzz-agent now.
There is nothing special to run: `just dev` and `just goose` already build and
use the swapped crate. If you see a difference, that is the bug.
Keeps the seven human-only checks (persona arrival, _Stop veto, streaming feel,
cancel leaving no stuck spinner, steering, model picker, hook-tool hygiene) and
the known gaps.
Signed-off-by: Michael Neale <michael.neale@gmail.com>
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