Pomodoro CLI

Long break logic: After completing N work sessions, starting a new work session shows a suggestion to take a long break. Added pomo break for manual breaks and pomo reset to clear the counter for a new day.

Added long break interval tracking and cycle reset to Pomodoro CLI.

Integrated native OS notifications and audio alerts for session completion.

Added native OS notifications and completion sound to Pomodoro CLI. Created notifications.ts with node-notifier for system alerts. Created sound.ts for audio feedback using system beeps. Integrated notifications and sound into timer.ts for session completion events. Added notifications to start.ts for long break reminders. Updated package.json with node-notifier dependency.

Added session history tracking and statistics command.

Implemented session history persistence for Pomodoro CLI. Created history.ts module that records completed sessions with timestamps and tracks daily/weekly statistics. Added recordSessionComplete() to timer.ts to log sessions when they finish. Created stats command to display today's stats, weekly aggregates, and recent session history. Updated cli.ts to include the new stats command.

Added pause/resume/cancel functionality for active sessions.

Implemented pause, resume, and cancel commands for Pomodoro CLI. Created pause.ts to pause active sessions with proper tracking of paused time. Created resume.ts to resume paused sessions and calculate remaining time. Created cancel.ts to abort active sessions. Updated cli.ts to include the new pause, resume, and cancel commands.