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Architecture Overview

Architecture & Structure

Network & Performance Optimization

Database & Security

App Check & Security Gateway

API Middleware & Error Handling

Firebase Security Rules & CQRS

AI Context & Charter

SEO & Dynamic Meta

Design System

Key Features

Chat & Dashboard Synchronization

Group Chat Construction Guide

Note Creation (NewNote) Guide

Dashboard & MyNotes Guide

AI Integration (Gemini)

Push Notifications & Background FCM

UX & Habit Building

Milestone Celebrations & Retention Psychology

Psychological Impact & Retention of AI Reflection Letters

Small Group Dynamics (Max 5) & Peer Accountability

Core Logic

Note Posting Mechanism & Streaks

Gospel Library Scripture Mapper

Group Invites & Joining Pipeline

Inactivity & Auto-Kick Engine

URL Metadata & Speaker Extraction

I18n & Localization

Unity Participation & Sync

Firestore Transactions & Counters

Incremental Book Suggestions

Profile Sync & Reaction Anonymization

Timezone-Aware Streak Reminders

Firestore Offline Persistence

API & Type Reference

⚡ REST API Playground (Scalar)

📘 TypeScript Reference Overview

Schemas & Models (Zod)

User Types

Chat & Group Types

Firestore Schemas

Firestore Converters

Gospel Library Mapper

Note Logic & Streaks

Unity & Sync Math

API Client & Endpoints

Notification Helpers

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Development & Operations

Development & Setup Guide

Testing & Reliability Guide

CI/CD & Maintenance Automation

Maintenance & Batch Jobs (Cron)

Monitoring & Observability

Troubleshooting & FAQ

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src/types/errors

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src/types/errors ​

Type Aliases ​

src/types/errors

Type Aliases