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23a0ea7a6f
End-state of the snapshot-persistence refactor. The legacy 13-proc Persistence interface and its noOpPersistence are gone; the 5-proc snapshot-based interface (formerly PersistenceV2) takes their place under the canonical name. Source: - sds/types/persistence.nim: replaced 13-proc contract with the 5-proc snapshot interface (saveChannelMeta, updateHistory, loadChannel, dropChannel, setRetrievalHint). noOpPersistence returns ok everywhere and an empty ChannelData on load. - sds/types/persistence_v2.nim: removed. - sds/types/reliability_manager.nim: dropped the second persistenceV2 field; constructor takes a single `persistence: Persistence`. - sds/sds_utils.nim: rm.persistenceV2.X -> rm.persistence.X; doc-comments updated. - sds.nim: dropped the persistenceV2 parameter from newReliabilityManager. Tests: - tests/in_memory_persistence_v2.nim: removed; its content moved to... - tests/in_memory_persistence.nim: replaces the old legacy mock with the snapshot adapter under the canonical filename. Same InMemoryStore shape so test assertions stay unchanged. - tests/test_persistence.nim: ctor param renamed, suite name de-prefixed. FFI smoke (`nimble libsdsDynamicMac`, refc/threads:on): builds clean. All 4 test suites pass: - test_bloom - test_reliability - test_persistence (17 V2 tests) - test_snapshot_codec (13 codec round-trip tests) Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>