Weekly Development Report: BeatShift

Date: August 12, 2026
Reporting Period: August 05 – August 12, 2026

1. Notes & Client Platform

Note Polish: Adjusted note positions and the limlight effect.
Cloud Functions: Pointed the client's Cloud Function URLs at asia-southeast1 to match the backend region.

2. Backend / API (BeatShift API)

Auth Overhaul (Breaking): Removed email/password auth entirely — the API now verifies platform identity via Firebase ID token.
Leaderboard Hardening: Rename/delete now propagate correctly, update-score is atomic and validates its input, the trigger runs a real transaction, and responses use a public projection; added a composite index for the leaderboard trigger plus a dev alias.
Security: Redacted API logs and gated all handle/* mutation routes behind an admin key.
Dependencies & Tests: Upgraded firebase-admin 11 → 13, declared express, dropped dead code, and added an e2e test suite.
Docs: Added BACKEND_STATUS.md capturing the current architecture and TODO backlog.

Takeaway Note: A backend-focused week for BeatShift — the API drops email/password auth in favor of Firebase ID-token platform identity, the leaderboard gets atomic/validated updates with proper rename/delete propagation and a public projection, mutation routes are admin-key gated with redacted logs, and the stack modernizes (firebase-admin 13, e2e suite) — while the client aligns note polish and its Cloud Function region.

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