v1.5.0

Minor release: the guard now extends to Claude Code's native file tools, not just Bash.

• feat: guard native Read/Grep/Glob and widen Edit/Write (Q29) by @karlkfi in #69
• docs: migrate backlog to counter + Deferred format, install lint gate by @karlkfi in #68

Full Changelog: v1.4.0...v1.5.0