Add secure claim secret flow for agent join requests with timing-safe
comparison, expiry, and one-time use. Expose machine-readable onboarding
manifests and skill index API endpoints. Add company brand color with
hex validation, pattern icon generation, and settings page integration.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add Better Auth, drizzle-orm, @dnd-kit, and remark-gfm dependencies.
Introduce DB schema for auth tables (user, session, account, verification),
company memberships, instance user roles, permission grants, invites, and
join requests. Add assigneeUserId to issues. Extend shared config schema
with deployment mode/exposure/auth settings, add access types and validators,
and wire up new API path constants.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
