Make db a required first parameter on all service functions (notes-service,
api-utils, tags, collaborators, attachments, rate-limit, sync/server).
This enables unit testing with in-memory databases via createTestDb().
Also removes the NODE_ENV=test bypass from rate-limit and adds optional
now parameter for time control in tests.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add globalSetup to clean test DB before each run. Split Playwright into
two projects: auth-setup (serial, runs first) and app (parallel, depends
on auth-setup). Skip rate limiting in test environment.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
5 failed attempts per IP triggers 15-minute lockout. Uses loginAttempts
table added in Phase 1. Returns 429 with Retry-After header.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
