* fix(mcp): harden notification system against race conditions
- Guard concurrent connect() calls in connection manager with connectingServers Set
- Suppress post-disconnect notification handler firing in MCP client
- Clean up Redis event listeners in pub/sub dispose()
- Add tests for all three hardening fixes (11 new tests)
* updated tests
* plugged in new mcp event based system and create sse route to publish notifs
* ack commetns
* fix reconnect timer
* cleanup when running onClose
* fixed spacing on mcp settings tab
* keep error listeners before quiet in redis
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