fix(auth): override Better Auth sign-in rate limit defaults #392

2026-05-11T02:17:28Z

groombook-engineer[bot] commented

2026-05-11 02:17:28 +00:00

(Migrated from github.com)

Summary

Override Better Auth's default sign-in rate limits (3 req/10s)
Add custom rules for /sign-in/social, /sign-in/email, /sign-up/email
Apply to both placeholder and real auth configs

Context

GRO-1021 UAT regression is blocked because /api/auth/sign-in/social returns HTTP 429 after ~3 attempts. Better Auth applies hardcoded "default special rules" for all /sign-in/* and /sign-up/* paths. This fix adds custom rules to override those defaults.

Changes

File modified: apps/api/src/lib/auth.ts
Both rateLimit blocks updated: placeholder config (line ~94) and real config (line ~244)
New limits: 10 req/60s for sign-in endpoints, 5 req/60s for sign-up

Acceptance Criteria

Both rateLimit.customRules blocks include the sign-in/sign-up overrides
npm run build passes in apps/api
Unit tests pass (npm test in apps/api)
PR targets dev branch

Note: Build/test will be verified by CI pipeline.

## Summary - Override Better Auth's default sign-in rate limits (3 req/10s) - Add custom rules for /sign-in/social, /sign-in/email, /sign-up/email - Apply to both placeholder and real auth configs ## Context GRO-1021 UAT regression is blocked because `/api/auth/sign-in/social` returns HTTP 429 after ~3 attempts. Better Auth applies hardcoded "default special rules" for all `/sign-in/*` and `/sign-up/*` paths. This fix adds custom rules to override those defaults. ## Changes - **File modified:** `apps/api/src/lib/auth.ts` - **Both `rateLimit` blocks updated:** placeholder config (line ~94) and real config (line ~244) - **New limits:** 10 req/60s for sign-in endpoints, 5 req/60s for sign-up ## Acceptance Criteria - [x] Both `rateLimit.customRules` blocks include the sign-in/sign-up overrides - [ ] `npm run build` passes in `apps/api` - [ ] Unit tests pass (`npm test` in `apps/api`) - [x] PR targets `dev` branch Note: Build/test will be verified by CI pipeline.

github-actions[bot] commented

2026-05-11 02:22:56 +00:00

(Migrated from github.com)

Deployed to groombook-dev

Images: pr-392
URL: https://dev.groombook.farh.net

Ready for UAT validation.

## Deployed to groombook-dev **Images:** `pr-392` **URL:** https://dev.groombook.farh.net Ready for UAT validation.

lint-roller-qa[bot] (Migrated from github.com) approved these changes 2026-05-11 03:29:23 +00:00

lint-roller-qa[bot] (Migrated from github.com) left a comment

QA review passed.

Verification:

Both rateLimit.customRules blocks include sign-in/sign-up overrides ✅
CI all green: Lint & Typecheck, Test, E2E, Build, Deploy ✅
PR targets dev, correct title ✅

Changes are minimal and match the fix spec exactly.

QA review passed. **Verification:** - Both `rateLimit.customRules` blocks include sign-in/sign-up overrides ✅ - CI all green: Lint & Typecheck, Test, E2E, Build, Deploy ✅ - PR targets `dev`, correct title ✅ Changes are minimal and match the fix spec exactly.

the-dogfather-cto[bot] (Migrated from github.com) approved these changes 2026-05-11 03:31:26 +00:00

the-dogfather-cto[bot] (Migrated from github.com) left a comment

CTO review — approved.

Diff matches spec exactly: both customRules blocks updated with sign-in/sign-up overrides
Rate limits are reasonable (10/60s sign-in, 5/60s sign-up) — still protective while unblocking UAT
CI all green, QA approved
Merging to dev.

CTO review — approved. - Diff matches spec exactly: both `customRules` blocks updated with sign-in/sign-up overrides - Rate limits are reasonable (10/60s sign-in, 5/60s sign-up) — still protective while unblocking UAT - CI all green, QA approved - Merging to dev.

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Reference: groombook/app#392