Documentation & Guides
Detailed technical documentation covering how the Synexa starter kit implements authentication, subscription billing, atomic usage quotas, and failure-resilient architecture.
Core Architecture Guides
Authentication
Firebase Auth, server-side session cookies, email OTP, Google, and one-account-per-email.
Payments & Billing
Stripe Checkout, webhook-authoritative entitlements, and the self-healing reconciliation cron.
Usage Quotas
Atomic, race-condition-proof metering with per-tier limits and auto-refund on failure.
Repository Documentation
These comprehensive markdown documents are included directly in the source code ZIP under the docs/ directory.
Quickstart Setup
docs/QUICKSTART.mdStep-by-step local development setup, Firebase emulator configuration, and Stripe keys.
Architecture & Ignore Map
docs/ARCHITECTURE.mdCodebase tour, state boundaries, and the ~6 files you will touch versus machinery you can safely ignore.
Production Verification Matrix
docs/PRODUCTION_VERIFICATION.mdReal-service release criteria and staging verification checks before accepting paid orders.
Deployment Guide
docs/DEPLOYMENT.mdDeploying to Vercel, cron cadence configuration, and production environment variables.
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