* fix(gateway): scope reset banners' session info to the serving profile
The auto-reset notice and the manual /reset //new banner both appended
_format_session_info() outside any profile scope, so a multiplexed
gateway advertised the base config's model/provider/context while the
session actually ran on the profile's.
Route both call sites through a new _reset_notice_session_info(source),
which enters _profile_runtime_scope for the source's profile when
gateway.multiplex_profiles is on (mirroring _run_agent's gating), so
_load_gateway_config()/_resolve_gateway_model() resolve the profile's
config.yaml via the existing context-local home override. Single-profile
gateways never enter the scope — behavior unchanged.
Both call sites invoke the helper via asyncio.to_thread: under the
scope, resolution can do blocking work (credential refresh,
context-length HTTP probes) that previously failed fast unscoped and
must not run on the event loop.
Fixes#59003
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
* chore(release): map irresi author email for PR #59048 salvage
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Co-authored-by: irresi <blueirobin02@gmail.com>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>