v3.20.54

Commits since CHANGELOG generation

843b9cf chore(release): bump version to 3.20.54 (#24691)
c5465da wip: harden jq fallback cache test (#24692)
a9639b8 GH#24677: harden OpenAI OAuth timestamp validation (#24688)
f0a3da0 wip: support kernel-name in uname mock (#24690)
85385e9 wip: expand parser local regression (#24689)
8747304 test: guard headless status temp cleanup (#24684)
b4e4dcb fix: harden gh merge cache remediation (#24685)
a9bd712 fix: classify anthropic credit exhaustion (#24683)
95d9089 wip: preserve pulse gate diagnostics (#24687)
323063b chore: update simplification state registry