Keep cookies with opaque partitions distinct from unpartitioned identities while retaining value hashes and incomplete comparison coverage. Preserve known partition hashes and use the existing shared CLI/MCP fingerprint owner.
Validated with 63 source and 57 storage boundary tests, builds/static checks, and real Chrome156 CLI/MCP controls. Live opaque-cookie emission was not reproduced; its protocol regression is explicit. Hosted CI's unrelated failures were reproduced against exact main a905a71e3; seven fail-fast-cancelled shards remain unverified; Greptile's sole existing-main finding was scoped and documented. Human readiness remains unasserted; bypass authorized by the requester.
Co-authored-by: gensokyo-dev <342580529+gensokyo-dev@users.noreply.github.com>