# WebSocket Chat - Implementation Tasks

## Task 1: Add Redis configuration
- **ID**: ws-1-config
- **Status**: pending
- **Blocked By**: none
- **Files**: `services/chat-api/internal/config/config.go`, `services/chat-api/.env.example`
- **Scope**: Add `RedisURL` field to Config struct. Add `REDIS_URL` to .env.example.

## Task 2: Wire up Hub, Redis broadcaster, and WebSocket handler in main.go
- **ID**: ws-2-main-wiring
- **Status**: pending
- **Blocked By**: ws-1-config
- **Files**: `services/chat-api/cmd/server/main.go`
- **Scope**: Create Redis client, LocalHub, RedisBroadcaster, and realtime.Handler. Start hub and broadcaster goroutines. Pass handler to RegisterRoutes. Register shutdown hooks.

## Task 3: Mount WebSocket routes
- **ID**: ws-3-routes
- **Status**: pending
- **Blocked By**: ws-2-main-wiring
- **Files**: `services/chat-api/internal/api/routes.go`, `services/chat-api/internal/api/spec.go`
- **Scope**: Update RegisterRoutes to accept realtime.Handler. Mount WebSocket handler at `/api/chat-api/ws`. Add WebSocket endpoint to OpenAPI spec.

## Task 4: Add WebSocket handler test
- **ID**: ws-4-tests
- **Status**: pending
- **Blocked By**: ws-3-routes
- **Files**: `services/chat-api/internal/api/handlers/ws_test.go`
- **Scope**: Test WebSocket upgrade, message send/receive, and hub broadcast.