v0.6.0

Changelog

• 6bb05b2 feat: add observable foreground watcher (#24)
• b146ded test: satisfy watcher lint gate
• 4da0ce8 docs: mark watcher plan implemented
• bd7f492 fix: join debounce callbacks during shutdown
• e830848 fix: make watcher shutdown and git renames safe
• 070e720 docs: capture live daemon browser follow-up
• bd6d423 fix: close watcher correctness gaps
• 1b66d42 fix: reconcile directory and lock edge cases
• 50b7b14 fix: harden watcher reconciliation boundaries
• 1f4a76b feat: add observable foreground watcher