PR3: HybridReader query-result cache + clear_cache trait + @uncache + dual VL mime#2

Draft

jimhester wants to merge 11 commits into

pr2-hybrid-readerfrom

pr3-hybrid-cache

Commits on May 28, 2026

feat(deps): add sha2 and hex for HybridReader cache key derivation
jimhester
committed
feat(reader): add hybrid_cache module for query-result caching
jimhester
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test(hybrid_cache): use neutral 'backend://' URIs in cache-key tests
jimhester
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feat(reader): add clear_cache() trait method and declare hybrid_cache mod
jimhester
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feat(reader): wire query-result cache into HybridReader
jimhester
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feat(jupyter): add -- @uncache meta-command
jimhester
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feat(jupyter): emit both Vega-Lite v5 and v6 mime payloads
jimhester
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style: apply cargo fmt + clippy fixes for PR3 changes
jimhester
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docs(changelog): announce HybridReader cache, clear_cache trait method, @uncache, and dual VL mime
jimhester
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test(hybrid): add cache equivalence tests against ADBC SQLite primary
jimhester
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Commits on May 29, 2026

fix(cache): address llm-panel review findings
jimhester
committed