kolaente 9255fe07a9 feat(websocket): add message types, connection hub, and connection handler ...

Add the core WebSocket infrastructure:

- Message type definitions for the wire protocol (subscribe, unsubscribe,
  auth, error, push events)
- In-memory connection hub that tracks per-user connections and routes
  messages to subscribed clients
- Connection wrapper with auth-after-connect flow: connections start
  unauthenticated, client sends JWT as first message, only then can
  subscribe to event topics

Includes auth timeout (30s), shared cancellation context for read/write
loops, hub map cleanup on last connection removal, and proper error
delivery before closing on auth failure.

2026-04-02 16:30:23 +00:00

7.2 KiB

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