v0.6.0

What's Changed

• test: expand fuzzer to cover secrets, chunker, escape_xml, NDJSON, and history entry parsing by @usercise in #167
• chore: update dependencies in Cargo by @usercise in #169
• chore: update Rust dependencies to latest by @usercise in #173
• fix: resolve fuzzer crashes, OOMs, and doc_comment skip bug by @usercise in #174
• feat: support .spelunkignore files by @usercise in #176
• feat: LinearRAG two-stage retrieval (spelunk search --retrieval linearrag) by @usercise in #172
• feat: failure patterns memory — antipattern kind, failures harvest, spelunk memory failures by @usercise in #178
• Fix/bench scripts by @usercise in #171
• chore: release v0.6.0 by @usercise in #179

Full Changelog: v0.5.0...v0.6.0