v0.7.0

Added

• Dynamic shell completion (vigil completion <bash|zsh|fish|powershell>):
  config get/set complete config keys; config set <key> completes values
  (engine, input.method, booleans, log.level, and prefix-filtered timezones);
  schedule remove completes window indices; --scope completes user/system.

Full Changelog: v0.6.0...v0.7.0