better-auth-knowledge-patch

# Better Auth Knowledge Patch Use this skill when implementing, upgrading, debugging, or reviewing Better Auth applications. Start with the quick references below, then load the topic file that matches the task. ## Reference index | Reference | Topics | | --- | --- | | [agent-auth.md](references/agent-auth.md) | Agent Auth discovery, JWT profiles, grants, approvals, execution, SDK, CLI, and hardening | | [core-authentication.md](references/core-authentication.md) | Email/password, verification, account linking, social providers, usernames, and account deletion | | [data-model-and-adapters.md](references/data-model-and-adapters.md) | IDs, schema generation, joins, hooks, official adapters, D1, Drizzle, Kysely, SQLite, and PostgreSQL | | [framework-integrations.md](references/framework-integrations.md) | Convex, Electron, Encore, Expo, Express, Lynx, NestJS, Next.js, SvelteKit, TanStack Start, Waku, and Workers | | [identity-and-utility-plugins.md](references/identity-and-utility-plugins.md) | Two-factor, passkeys, OTP, magic links, phone, API keys, anonymous, bearer, JWT, SIWE, captcha, One Tap, and utility plugins | | [infrastructure-and-observability.md](references/infrastructure-and-observability.md) | Managed infrastructure, audit logs, Sentinel, email/SMS, OpenTelemetry, background tasks, and request-state diagnostics | | [migration-guides.md](references/migration-guides.md) | Schema, package, endpoint, callback, hook, type, and plugin migrations | | [oauth-oidc-and-mc...