EvoSoul

Flutter provides one consistent mobile UI for habit tracking, journaling, calendars, and analytics across supported platforms. Dart keeps the interaction model predictable while allowing the app to move quickly as the daily practice and reflection flows evolve.

Firebase supplies the application data and identity layer for user journals, habit history, streaks, and analytics. The app separates private journal content from derived insights so the experience can add AI assistance without making the core habit workflow depend on a single generated response.

OpenAI-powered reflection is kept behind a server-side boundary rather than exposing provider credentials in the mobile app. Requests are shaped from the user-approved context, and the app can continue to show the journal and habit history if an AI request is unavailable.

Firebase remains the source of truth for the user record while generated responses are treated as helpful output, not as authoritative changes to the journal. This keeps retries and service interruptions from overwriting user-authored reflections.