From 7a3752669ffecf6d8b2bc39f01772b8f7c57ba90 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=92=95=E8=B0=B7=E9=85=B1?= <gu@gmoe.cc>
Date: Mon, 15 Sep 2025 18:57:21 +0800
Subject: [PATCH] Delete copilot-instructions.md

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-# GitHub Copilot Instructions for g0v0-server
-
-This is an osu! API simulation server built with FastAPI, supporting osu! API v1/v2 and osu!lazer client functionality.
-
-## Architecture Overview
-
-**Entry Point:** `main.py` orchestrates startup/shutdown with complex lifespan management including fetchers, GeoIP, schedulers, cache systems, Redis messaging, and achievement loading.
-
-**Router Organization:**
-- `app/router/v1/` - osu! API v1 endpoints (must match [official v1 spec](https://github.com/ppy/osu-api/wiki))
-- `app/router/v2/` - osu! API v2 endpoints (must match [official v2 OpenAPI spec](https://osu.ppy.sh/docs/openapi.yaml))
-- `app/router/private/` - Custom/internal endpoints not in official APIs
-- `app/router/auth.py` - OAuth 2.0 authentication flows
-- `app/router/notification/` - Chat and notification systems
-
-**Data Layer:**
-- SQLModel ORM with async MySQL (`app/models/`, `app/database/`)
-- Redis for caching, sessions, and messaging (`app/service/*_cache_service.py`)
-- Alembic migrations in `migrations/`
-
-**Background Systems:**
-- `app/scheduler/` - Background job schedulers (cache refresh, cleanup, rankings)
-- `app/service/` - Business logic services (user ranking, email queue, asset proxy)
-- Native Rust module `packages/msgpack_lazer_api/` for fast MessagePack serialization
-
-## Development Workflows
-
-**Environment Setup:**
-```bash
-uv sync                           # Install dependencies
-pre-commit install               # Setup git hooks
-maturin develop -R               # Build native Rust module (when changed)
-```
-
-**Database Operations:**
-```bash
-alembic revision --autogenerate -m "feat(db): description"  # Create migration
-alembic upgrade head                                        # Apply migrations
-```
-
-**Development Server:**
-```bash
-uvicorn main:app --reload --host 0.0.0.0 --port 8000
-```
-
-**Code Quality:**
-```bash
-pre-commit run --all-files       # Run all checks
-pyright                         # Type checking
-ruff .                          # Linting and formatting
-```
-
-## Key Patterns & Conventions
-
-**Route Handlers:**
-- Always async with dependency injection for DB/Redis
-- Keep handlers thin - business logic goes in `app/service/`
-- Use `UserCacheService` for user data caching patterns
-- Background tasks for async cache updates: `bg_tasks.add_task()`
-
-**Database Access:**
-```python
-# Inject database session
-async def endpoint(session: AsyncSession = Depends(get_session)):
-    # Use select() with specific columns for performance
-    stmt = select(User.id, User.username).where(User.active == True)
-    # Use exists() for existence checks
-    exists_stmt = select(exists().where(User.id == user_id))
-```
-
-**Caching Patterns:**
-```python
-# Redis key naming: "user:{id}:profile", "beatmap:{id}:data"
-# Use UserCacheService.get_user_resp() for cached user responses
-# MessagePack serialization via native module for compact storage
-```
-
-**Error Handling:**
-- `HTTPException` for client errors with proper status codes
-- Structured logging with loguru for server-side issues
-- Sentry integration for production error tracking
-
-**Authentication:**
-- OAuth 2.0 with multiple flows (password, authorization_code, client_credentials)
-- v1 API uses API key in query parameter `k`
-- JWT tokens with configurable expiration
-
-## Critical Integration Points
-
-**Asset Proxy System:** Routes osu! asset URLs (avatars, beatmap covers) through custom domain - see `app/service/asset_proxy_*.py`
-
-**Game Mode Support:** Multi-mode with RX/AP variants - mode handling in `app/models/score.py`
-
-**Rate Limiting:** FastAPI-limiter with Redis backend - different limits for download vs general APIs
-
-**Native Module:** Rust MessagePack encoder/decoder in `packages/msgpack_lazer_api/` - rebuild with `maturin develop -R` after changes
-
-**Background Schedulers:** Multiple concurrent schedulers for rankings, cache warming, database cleanup - managed in lifespan handlers
-
-## API Compliance Rules
-
-- **v1/v2 endpoints MUST match official osu! API specifications exactly**
-- Custom endpoints go in `app/router/private/` only
-- Maintain response schema compatibility - breaking changes require migration plan
-- Use existing `*Resp` models for consistent response formats
-
-## Configuration
-
-Environment-driven via Pydantic Settings in `app/config.py`:
-- Database: MySQL with async aiomysql driver
-- Cache: Redis for sessions, rate limiting, messaging
-- Storage: Local, S3, or Cloudflare R2 backends
-- Optional: Sentry, New Relic, email SMTP
-
-See project wiki for complete `.env` configuration guide.
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