Summary

• Replaced inconsistent try/catch blocks in login(), authWithToken(), and connectWithToken() with the runCatching/Result<T> pattern already used by all other command methods in the class
• Extracted handleConnectionFailure() and connectTransport() private helpers, eliminating ~100 lines of duplicated error-handling and transport setup code
• Changed login() and authWithToken() return types from Boolean to Result<Unit> for consistency; updated the single caller in MainActivity.kt

Test plan

• Verify MA login flow works (enter credentials -> connects successfully)
• Verify invalid credentials show error and allow retry
• Verify token-based reconnection works on app restart
• Verify network errors during connection show appropriate error state
• Unit tests pass (./gradlew testDebugUnitTest)