chore(main): release cachekit-core 0.7.0

[cachekit-release-bot]

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0.7.0 (2026-10-03)

⚠ BREAKING CHANGES

• core: cachekit_core::metrics, cachekit_core::OperationMetrics, ByteStorage::get_last_metrics(), ZeroKnowledgeEncryptor::get_last_metrics() and the metrics cargo feature are removed.

Features

• msgpack: export check_msgpack_structure as the shared structural walk (LAB-2735) (#88) (f29965d)

Bug Fixes

• build: build cbindgen only with the ffi feature (LAB-7382) (#102) (fdfba3d)
• byte-storage: pre-scan envelope bytes before decoding them (LAB-3479) (a043e13)
• encryption: probe the Armv8 Crypto Extension on aarch64 instead of NEON (LAB-4650) (#77) (77b18db)

Performance Improvements

• bench: add a fixed-iteration Ir/op gate for the hot paths (LAB-7802) (#106) (dce166b)
• bench: make hot_path compile by default, representative and profile-able (LAB-7039) (#97) (11e9836)

Code Refactoring

• core: delete the OperationMetrics module and metrics feature (LAB-7325) (3ec5456)

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