Second, deeper pass over tools/gateway/hermes_cli plus first pass over
the trees wave 1 missed (acp, acp_adapter, skills, computer_use, docker,
dashboard, conformance, monitoring, secret_sources, hermes_state,
providers). Same rubric as wave 1 (AGENTS.md test policy); security,
alternation/caching invariants, issue-number regressions, and E2E kept.
Real test-quality fixes found and rooted out along the way:
- tests/tools/test_command_guards.py made real auxiliary-LLM HTTPS calls
(DEFAULT_CONFIG smart-approval leaked in) — pinned approval
mode=manual via autouse fixture: 17.4s → 0.4s.
- test_model_switch_custom_providers.py / test_user_providers_model_switch.py
silently probed live provider catalogs (~2s/test) — stubbed
cached_provider_model_ids/provider_model_ids/fetch_api_models.
- test_telegram_noise_filter.py: 15-platform copy-paste matrix over
shared gateway.run logic → 3 representative platforms (55s → 3.9s).
- test_gateway_shutdown.py: stop()'s 5s interrupt-deadline loop spun on
MagicMock agents — interrupt.side_effect now clears _running_agents
(22s → 1.0s).
- test_gateway_inactivity_timeout.py poll-harness timings shrunk 3-5x
(24s → 1.1s); test_mcp_stability.py backoff/SIGTERM-grace sleeps
patched (15.4s → 2.5s); test_async_delegation.py negative-drain wait
5s → 0.5s.
- test_telegram_init_deadline.py: loop-block margin restored to 1.0s
with rationale comment — the watchdog-dump assertion needs the loop
blocked well past deadline+grace under parallel load (flaked once in
the 40-worker verification run at a 0.2s margin).
Verification: full hermetic suite via scripts/run_tests.sh —
2,438 files, 21,718 tests passed, 0 failed, 293.9s wall.
Suite totals vs original baseline: 46,820 → 19,757 test functions
(−57.8%), wall 583.5s → 293.9s (−50%), subprocess CPU 13,564s → 11,623s.
* fix(gateway): serialize concurrent turns per resolved session_id with a turn lease
Closes the serialization half of #64934. The busy guards are keyed by
routing key, but the durable transcript is owned by session_id — and
switch_session() makes the key→id mapping many-to-one (/resume from a
second chat/topic, CLI-continuity rebinding, async-delegation pinning,
topic-binding tip-walks). Two routing keys mapped to one session_id ran
concurrent turns on two different agent objects, invisible to every
per-key guard: flushes persisted in completion order, the identity-marker
dedup swallowed rows, and the second turn ran on a stale history base —
leaving a permanent user;user alternation wedge.
The fix: an asyncio lease keyed by RESOLVED session_id (gateway/turn_lease.py),
acquired in _handle_message_with_agent after session resolution is final
(post switch_session/tip-walk), immediately before the transcript load, and
released in _handle_message's finally on every exit path. Tokens are granted
per (routing key, run generation) so a stale unwind can never release a newer
turn's lease (#28686 ownership lesson). Same-key messages never reach the
acquisition point mid-turn (both routing-key guards hold them), so the lock
is uncontended outside the alias-key route — where the second turn now waits
for the first turn's flush and logs one WARNING naming the session and both
routing keys (pairs with the #67371 tripwire).
Fail-open: a stuck holder degrades to today's unserialized behavior with a
loud ERROR after agent.gateway_timeout — never a wedged session; a degraded
token holds nothing and can't steal the lease. Registry is size-capped and
never evicts a live lease. Persist-disabled review forks never dispatch
through _handle_message, so they cannot contend.
Known limits (tracked on #64934): CLI-continuity cross-process pairs need a
DB-level lease; mid-turn compression rotation leaves a small alias window
for a follow-up at the binding-sync sites.
Validation: 8 behavior tests (alias-key wait + flush order, no cross-session
contention, generation-scoped idempotent release, timeout fail-open without
lease theft, bounded registry, bare-runner-safe release wiring) + E2E against
a real SessionStore reproducing the issue's switch_session alias route —
strict alternation and arrival order preserved.
* refactor(gateway): conversation-scope funnel + mid-turn lease rebind
Completes the #64934 system beyond the point fix. Two structural changes,
both eliminating whole bug classes rather than instances:
1. _clear_conversation_scope — THE single conversation-boundary funnel.
/new, /resume, auto-reset, expiry finalization, and the
compression-exhausted reset each carried a hand-copied pop-list of the
per-session dicts, and the lists drifted every time a new dict was
added (#48031, #58403, #10702, #35809 were all 'boundary X forgot
dict Y' bugs). All five sites now make one funnel call driven by the
_CONVERSATION_SCOPED_STATE registry; adding a new conversation-scoped
dict means adding one name to the registry, and every boundary picks
it up automatically. Scope rules documented at the registry: turn-scoped
state, the monotonic generation counter, and the agent cache are
deliberately excluded (different lifecycles).
2. SessionTurnLeaseRegistry.rebind — the held turn lease now FOLLOWS
mid-turn compression rotation. Both rotation sites (session-hygiene
pre-compression, agent-result session_id swap) alias the same
_SessionLease object under the new id, so an alias routing key
resolving the fresh child (topic tip-walk) still serializes against
the in-flight turn. Closes the rotation-alias window flagged as a
known limit on #64934. Ownership-checked like release; when the
target id already has a live lease the rebind fails open with a loud
WARNING (never a mid-turn deadlock).
Tests: 3 new rebind behavior tests + 5 funnel behavior tests (including
a real-setter drift guard); the two AST change-detector pins in
test_10710/test_48031 were re-pointed at the funnel and the #58403 pin
converted to a behavioral test. E2E: rotation-alias scenario against a
real SessionStore + SessionDB — turn B on the fresh child waits behind
the rotated holder, sees its rows, alternation intact.
Teknium