feat: support per-operation V2 write targets - #8582
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## Summary - reserve bit 256 for mixed V2 data file versions without adding it to the supported mask - keep this layer refusing mixed manifests until the per-file storage contract lands - add shared commit gates and sticky-capability plumbing needed for safe activation ## Stack 1. #8580 - capability reservation and commit gates 2. #8581 - capability activation, storage validation, and exact read dispatch 3. #8582 - per-operation write targets 4. #8583 - dataset operation propagation 5. #8584 - compaction targets and binary copy policy 6. #8585 - bindings, documentation, and rollout contract ## Testing - cargo test -p lance-table feature_flags - cargo fmt --all -- --check - cargo clippy --all --tests --benches -- -D warnings
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Summary
Stack
Testing