Initial setup of frontend and backend

.beans/nuzlocke-tracker-4c31--backend-setup-framework.md

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+---
+# nuzlocke-tracker-4c31
+title: Backend Setup & Framework
+status: completed
+type: task
+priority: normal
+created_at: 2026-02-04T15:46:49Z
+updated_at: 2026-02-04T16:10:13Z
+parent: nuzlocke-tracker-f5ob
+blocking:
+    - nuzlocke-tracker-l7e3
+    - nuzlocke-tracker-bkhs
+---
+
+Set up the backend API project with chosen framework and structure.
+
+## Checklist
+- [x] Choose backend framework (Node.js/Express, Fastify, NestJS, Go, Python/FastAPI, etc.) - **Python/FastAPI**
+- [x] Initialize backend project
+- [x] Set up TypeScript (if applicable) - N/A (Python with type hints via Pydantic)
+- [x] Configure linting and formatting - **ruff**
+- [x] Set up project structure (routes, controllers, services, models)
+- [x] Add environment configuration (.env handling) - **pydantic-settings**
+- [x] Set up development server with hot reload - **uvicorn --reload**
+- [x] Add basic health check endpoint - `/health` and `/`
+
+## Considerations
+- Should match team's expertise
+- Consider ease of deployment
+- TypeScript preferred for type safety with frontend