Files
turnstone/tests
Patrick Buckley 06ec1a8629 fix(832): the boundary carry belongs to the run owner
The mandated cross-lane interleave angle found the two residual holes in
the reasoning-boundary close: the close was gated on not-in_think, so an
open inline think block at the boundary never closed and the later state
flip relabeled held chain-of-thought as displayed ANSWER text; and the
carry parked in the splitter's own pending was re-read under whatever
state later flushes hit, relabeling a content-state tail as reasoning.
close_run() now closes unconditionally (as the drain does) and RETURNS
the partial-tag tail; the consumer owns the carry in a state-immune slot
mirroring the drain's separate variable — re-fed when content resumes so
a split tag still reassembles, flushed as content at tool, finish, and
cancel boundaries, and included in the partial-content rule.

The trailing citations footer is now HELD and folded once at stream end
over the full answer — structurally the drain's post-loop fold — instead
of folding at arrival, which diverged from the commit whenever a lax
gateway emitted content after finish.

Two non-mirror fixes: the fallback-failure UI line carries the exception
class only (its text can embed a credential-bearing base_url; detail
goes to the server log, same rule as the re-issue log arm), and a
never-armed Stop (creation window, no prior death, zero tokens) writes
NO assistant row again — restoring pre-fold semantics; a marker-only row
would replay to the model as context on every later turn. Armed
zero-token Stops still record their marker.

Hygiene riding along: the parity runner zeroes the ladder backoff (the
exhaust scenario was sleeping 3.2s of real backoff per suite run, with
the retry-notice transform strings updated in step); test_session's
porting docstring points at the helper's real module; test_cancel and
test_session wrap the shared session factory instead of re-implementing
its defaults; arm_session's armed handle is an ArmedHandle with real
closed state instead of a MagicMock that satisfies any assertion; and
send() derives the tool-call list once for both the persisted mirror
and the executed set.

All fixes are mutation-probed: re-gating the close, discarding the
carry, dropping the promote gate, unredacting the fallback line, and
restoring the arrival-time fold each fail their pins.
2026-08-06 01:04:32 -07:00
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