Files
OmniRoute/tests/unit
Brandon Bennett 6d9336088c fix(chat-body-admission): process-wide budget (#10110) (#10322)
* fix(chat-body-admission): process-wide budget (#10110)

Remove per-session admission lanes that multiplied the documented
"in one process" heavy/bytes bound by up to 64. All requests now admit
against ONE process-global ChatAdmissionController so the bound holds
against fake-credential sharding.

Per-request session identity survives only as a fairness scheduling key:
waiters are grouped per key and served round-robin (#9654) against the
shared budget — one connection's burst cannot starve others.

- src/shared/middleware/chatBodyAdmission.ts: delete lane map + LRU/TTL
  eviction; ChatAdmissionController is now the global budget with per-key
  FIFO queues + round-robin dispatchFair(). PerConnectionAdmissionController
  returns the same shared controller for every session. resolveSessionId
  stays as a scheduling key with honest re-scoping docs. snapshot() emits
  process-wide aggregates.
- tests/unit/chat-body-admission-aggregate-10110.test.ts: new U6 suite — 6
  deterministic tests (LRU-no-mint, TTL-no-mint, shared byte budget,
  16 MiB config, same-session recreation, round-robin fairness). RED on
  release/v3.8.50, GREEN post-fix.
- tests/unit/per-connection-admission-9654.test.ts: rewrite the tests that
  encoded the defect (per-session isolation) to assert the global-budget
  contract.
- docs/reference/ENVIRONMENT.md: OMNIROUTE_CHAT_ADMISSION_MAX_QUEUED_BYTES
  documented as process-wide; VIRTUAL_TTL_MS/VIRTUAL_MAX_SESSIONS deprecated.

* docs(changelog): add #10322 fragment for process-wide admission budget

* ci: retrigger checks after transient npm ci network failure in shard 3/4 (ETIMEDOUT)

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Co-authored-by: Brandon Bennett <brandonbennett@macbookair.myfiosgateway.com>
2026-08-16 00:46:13 -03:00
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