refactor: Code cleanup Pt4#40

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Ninerian wants to merge 9 commits intorefactor/code-cleanupfrom

code-cleanup-pt4

Commits on Oct 29, 2025

chore: raise phpstan to level 8 and fix null safety

Ninerian
and
claude
committed
chore: raise phpstan to level 8 and fix null safety

Ninerian
and
claude
committed
chore: raise phpstan to level 9 (highest) and fix all issues

Ninerian
and
claude
committed

Commits on Apr 1, 2026

Merge remote-tracking branch 'origin/refactor/code-cleanup' into code-cleanup-pt4
Ninerian
committed
refactor: address PR review feedback on types, grammar, and aud handling

committed
revert: restore aud claim as string-only in SSOTokenGenerator

committed
refactor: extract session validation helpers in SessionHandlerTrait

committed
refactor: extract getSessionInstance helper and add default to getSessionBucket

committed
refactor: consolidate null-check into getSessionInstance and pass default through getSessionBucket

committed