✨ feat: support better-auth (#10215)

.cursor/rules/db-migrations.mdc

@@ -5,7 +5,22 @@ alwaysApply: false
 
 # Database Migrations Guide
 
-## Defensive Programming - Use Idempotent Clauses
+## Step1: Generate migrations:
+
+```bash
+bun run db:generate
+```
+
+this step will generate or update the following files:
+
+- packages/database/migrations/0046_xxx.sql
+- packages/database/migrations/meta/\_journal.json
+
+## Step2: optimize the migration sql fileName
+
+the migration sql file name is randomly generated, we need to optimize the file name to make it more readable and meaningful. For example, `0046_xxx.sql` -> `0046_better_auth.sql`
+
+## Step3: Defensive Programming - Use Idempotent Clauses
 
 Always use defensive clauses to make migrations idempotent:
 

.cursor/rules/project-introduce.mdc

@@ -16,7 +16,7 @@ logo emoji: 🤯
 
 ## Project Technologies Stack
 
-- Next.js 15
+- Next.js 16
 - react 19
 - TypeScript
 - `@lobehub/ui`, antd for component framework

.cursor/rules/project-structure.mdc

@@ -16,17 +16,28 @@ lobe-chat/
 ├── apps/
 │   └── desktop/
 ├── docs/
+│   ├── changelog/
+│   ├── development/
+│   ├── self-hosting/
+│   └── usage/
 ├── locales/
 │   ├── en-US/
 │   └── zh-CN/
 ├── packages/
+│   ├── agent-runtime/
 │   ├── const/
 │   ├── context-engine/
+│   ├── conversation-flow/
 │   ├── database/
 │   │   ├── src/
 │   │   │   ├── models/
 │   │   │   ├── schemas/
 │   │   │   └── repositories/
+│   ├── electron-client-ipc/
+│   ├── electron-server-ipc/
+│   ├── fetch-sse/
+│   ├── file-loaders/
+│   ├── memory-extract/
 │   ├── model-bank/
 │   │   └── src/
 │   │       └── aiModels/
@@ -34,11 +45,16 @@ lobe-chat/
 │   │   └── src/
 │   │       ├── core/
 │   │       └── providers/
+│   ├── obervability-otel/
+│   ├── prompts/
+│   ├── python-interpreter/
+│   ├── ssrf-safe-fetch/
 │   ├── types/
 │   │   └── src/
 │   │       ├── message/
 │   │       └── user/
-│   └── utils/
+│   ├── utils/
+│   └── web-crawler/
 ├── public/
 ├── scripts/
 ├── src/
@@ -68,7 +84,9 @@ lobe-chat/
 │   │   ├── AuthProvider/
 │   │   └── GlobalProvider/
 │   ├── libs/
-│   │   └── oidc-provider/
+│   │   ├── better-auth/
+│   │   ├── oidc-provider/
+│   │   └── trpc/
 │   ├── locales/
 │   │   └── default/
 │   ├── server/