Add Comprehensive Test Suite for Realtime V2 Features

[vijaythecoder]

Description

Implement frontend tests, integration tests, and backend coverage for the new Realtime V2 functionality.

Tasks

• Create unit tests for all Vue components (see MainV2_Testing_Plan.md)
• Add integration tests for dual-agent WebSocket architecture
• Implement backend tests for new realtime functionality
• Add E2E tests for critical user flows
• Set up test coverage reporting with 80% minimum
• Create mock data fixtures and test utilities
• Test error scenarios and edge cases

Priority

High

References

• No frontend tests found for this substantial new feature
• Backend tests exist but don't cover new realtime functionality
• Testing plan documented in MainV2_Testing_Plan.md