Add comprehensive testing for TUI usability over SSH in production-like environment:
Infrastructure:
- Caddy reverse proxy config for WebSocket and API routing
- Docker Compose with SSH test server container
- TUI test configuration for smoke testing
Test Harness:
- SSH server Go test fixture with container management
- TUI driver with PTY support for automated input/output testing
- 8 E2E tests covering SSH connectivity, TERM propagation,
API/WebSocket connectivity, and TUI configuration
Scripts:
- SSH key generation for test environment
- Manual testing script with interactive TUI verification
The setup allows automated verification that the BubbleTea TUI works
correctly over SSH with proper terminal handling, alt-screen buffer,
and mouse support through Caddy reverse proxy.
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