Add HabitChat skill - AI-powered habit tracking companion

[Dinesh18S]

Summary

HabitChat is a personal habit coach that transforms WhatsApp into a lightweight habit tracking platform — like having a Duolingo-style accountability partner in your pocket.

What it does

• Track habits with simple yes/no confirmations via natural language
• Build streaks with celebration milestones (3, 7, 14, 21, 30, 50, 100, 365 days)
• AI coaching that detects patterns, identifies weak days, and provides evidence-based motivation
• Smart reminders with platform-aware notifications (macOS, Linux, fallback logging)
• Detailed analytics — completion rates, day-of-week breakdowns, visual calendar grids, trend analysis

Tech Stack

• Pure Python 3 — zero external dependencies, stdlib only
• Local JSON storage in ~/.habitchat/ — privacy-first design
• Modular architecture — 3 scripts: habit_tracker.py, coach.py, reminder.py

Key Features

Feature	Details
Habit Tracking	Add, log, edit, pause/resume, delete habits
Streak System	Freeze on pause, skip without breaking, recovery support
AI Coaching	Risk detection, declining trend alerts, milestone tracking
Reminders	Platform-native (osascript/notify-send) + log fallback
Analytics	7-day, 30-day, all-time stats with calendar visualization

Habit Science Foundation

Built on evidence-based principles from Charles Duhigg (Habit Loop), James Clear (Atomic Habits), and Phillippa Lally's research — including implementation intentions, habit stacking, the 2-minute rule, and "never miss twice" recovery.

File Structure

[openclaw-barnacle]

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