Joseph Doherty 0f3b74ad87 fix(server): wire PermissionTrieCache into AuthorizationGate for generation pinning ...

Core-002 fixed TriePermissionEvaluator to evaluate each request against
the session's bound AuthGenerationId rather than whatever the cache
currently holds. AuthorizationGate.BuildSessionState was not updated at
the same time: it hardcoded AuthGenerationId = 0, so the evaluator's
GetTrie(cluster, 0) call returned null for any generation != 0, causing
every gated operation to silently fail with NotGranted regardless of
actual grants. The 42 gate/matrix/deferred-hardening tests all started
failing as a result.

Fix: add an optional PermissionTrieCache parameter to AuthorizationGate;
BuildSessionState now stamps AuthGenerationId from the cache's current
generation for the session's cluster. AuthorizationBootstrap.BuildGateAsync
passes the cache it creates. All 7 test MakeGate helpers updated to pass
the cache so tests produce a valid AuthGenerationId. 433/433 server tests
now pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-22 11:25:39 -04:00

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