v5.1.0

5.1.0 (2026-07-20)

Features

• analytics: auto-record token savings + add get_optimization_report (#181) (2b26227)
• implement background optimization with immediate session persistence (770cf31)
• implement LRU cache and sophisticated token counting (issues #4 and #5) (#127) (3f069f7)
• optimization platform — config, tokenizers, LRU cache, sessions, context-delta (#163) (b316152)
• packaging: claude code plugin + gemini/codex/opencode/copilot integrations (#180) (a694fc1)

Bug Fixes

• add missing items schema to array tool parameters (#153) (#154) (06b941f)
• add semantic-release git plugin and sync package.json to v5.0.1 (#119) (31efcf3)
• cache: tolerate a directory passed as the cache engine db path (#171) (d933821)
• ci,security: repair release pipeline (Node 22) and stop tracking .mcp.json (#179) (73550bc)
• hooks,tools: close gap-analysis findings on top of #175 (#176) (99252ae)
• move background optimization and session fixes to PR (wrongly committed to master) (#128) (1ac3e7b)
• release: recognize existing vX.Y.Z tags in release-please (#183) (4637590)
• remove conflicting Start-Process parameters causing silent failures (6e43e7c)
• repair broken PowerShell hooks and 5 MCP tool bugs (15 user-reported issues) (#175) (ced86aa)
• resolve powershell parse errors and session file corruption (ceaf8e1)
• security: eliminate os command injection across smart_* tools (#169) (b4ee96d)
• server: exit stdio server on stdin close to prevent Windows orphan-leak (#177) (0408bee)
• smart_read: guard zod-v4 error issues and require non-empty path (#167) (4ae7c35)

CI/CD

• release: harden release pipeline + version-info notifications (#170) (9e5a06c)
• release: migrate to release-please with oidc npm publishing (#182) (22462c7)