Add web frontend

server/README.md

@@ -13,12 +13,20 @@ Backend API for:
 
 ```bash
 cp .env.example .env
-npm run db:migrate
 npm run dev
 ```
 
+Migrations are applied automatically on server startup (`prisma migrate deploy`).
+
 Open docs: `http://localhost:8787/docs`
 
+## Run Modes
+
+- `npm run dev`: runs `src/index.ts` with `tsx` in watch mode (auto-restart on file changes). Use for local development.
+- `npm run start`: runs compiled `dist/index.js` with Node.js (no watch mode). Use for production-like runs.
+
+Both modes run startup checks (`predev` / `prestart`) and apply migrations at app boot.
+
 ## Auth
 
 Set `ADMIN_TOKEN` and send:
@@ -34,6 +42,7 @@ If `ADMIN_TOKEN` is not set, the server runs in open mode (dev).
 
 ## API
 - `GET /health`
+- `GET /v1/auth/session`
 - `GET /v1/chats`
 - `POST /v1/chats`
 - `GET /v1/chats/:chatId`
@@ -41,6 +50,8 @@ If `ADMIN_TOKEN` is not set, the server runs in open mode (dev).
 - `POST /v1/chat-completions`
 - `POST /v1/chat-completions/stream` (SSE)
 
+When `chatId` is provided to completion endpoints, you can send full conversation context. The server now stores only new non-assistant messages to avoid duplicate history rows.
+
 `POST /v1/chat-completions` body example:
 
 ```json