v0.4.0

[0.4.0] - 2026-05-31

🚀 Features

• (cli) Add global --json flag for agent-friendly non-interactive mode
• (hardening) Conditionally enable MCL_FUTURE based on RLIMIT_MEMLOCK

🐛 Bug Fixes

• (hardening) Use raw const pointer syntax for setrlimit call

🚜 Refactor

• (hardening) Split lock_memory into explicit stages with granular SAFETY comments

⚙️ Miscellaneous Tasks

• Bump version to 0.4.0 and add tamper-evident envelopes, process hardening, and audit logging
• Upgrade windows-sys to 0.61.2 and refine fsync_dir error handling