chore: ignore .playwright-mcp/ and refresh GEMINI.md

.gitignore

@@ -1,5 +1,6 @@
 .gemini
 .claude/
+.playwright-mcp/
 .worktrees/
 docs/
 

GEMINI.md

@@ -13,7 +13,7 @@ TutorTool is a full-stack web application for tracking student attendance in tut
 
 ## Project Overview
 
-- **Architecture**: Monorepo with a Rust backend (Axum) and a SvelteKit 5 frontend.
+- **Architecture**: Standalone repo with a Rust backend (Axum) and a SvelteKit 5 frontend.
 - **Backend**:
   - **Framework**: Axum (async) on Tokio.
   - **Database**: SQLite via SQLx. Migrations are automatically run at startup.
@@ -30,7 +30,7 @@ TutorTool is a full-stack web application for tracking student attendance in tut
 
 ### Prerequisites
 - Rust 1.95.0 (pinned via `rust-toolchain.toml`)
-- Node.js & npm
+- Node.js & pnpm
 - SQLite
 
 ### Demo Credentials
@@ -43,7 +43,7 @@ TutorTool is a full-stack web application for tracking student attendance in tut
 - `make dev`: Starts both backend and frontend in parallel (requires `JWT_SECRET` and `DATABASE_URL` in environment).
 - `make build`: Performs a full production build (frontend first, then backend).
 - `cargo test`: Runs all backend unit and integration tests (uses `sqlx::test`).
-- `npm run check`: Performs TypeScript and Svelte type checking for the frontend.
+- `pnpm check`: Performs TypeScript and Svelte type checking for the frontend.
 
 ### Environment Variables
 - `DATABASE_URL`: Path to the SQLite database (e.g., `sqlite:./dev.db`).
@@ -62,7 +62,7 @@ TutorTool is a full-stack web application for tracking student attendance in tut
 - **Runes**: Use Svelte 5 Runes for state management.
 - **Type Safety**: Ensure `frontend/src/lib/types.ts` is kept in sync with `backend/src/models.rs`.
 - **Layouts**: 
-  - `src/routes/login/`: Public login page.
+  - `src/routes/admin/login/`: Public login page.
   - `src/routes/admin/`: Protected admin routes (tutor dashboard).
   - `src/routes/s/[code]/`: Public student check-in page.