## Summary
Migrates `ConnectionSettingsViewController` from UIKit+Eureka to SwiftUI
with proper business logic separation. The new implementation follows
established patterns in the codebase (`ClientEventsLogView`/`ViewModel`)
while preserving all existing functionality.
**Changes:**
- **ConnectionSettingsViewModel** - Extracted business logic: server
observation, state management, user actions (share/activate/delete).
Fixed NotificationCenter observer memory leak by properly storing and
removing observer token in deinit.
- **ConnectionSettingsView** - SwiftUI replacement with sections for
Status, Details, Privacy, and Actions. Uses `SFSafeSymbols` for
type-safe SF Symbol references. Includes convenience
`embedInHostingController()` extension for cleaner UIKit integration
syntax. Added error alert to display deletion failures to users.
- **SettingsViewController** - Updated to instantiate SwiftUI view via
`embeddedInHostingController()`
- **ConnectionURLViewController** - Added convenience initializer with
optional `row` parameter for SwiftUI navigation compatibility
The old `ConnectionSettingsViewController.swift` remains but is
unreferenced.
## Screenshots
N/A - Functional equivalence maintained
## Link to pull request in Documentation repository
Documentation: home-assistant/companion.home-assistant#
## Any other notes
All features preserved: connection status display, URL configuration,
privacy settings, server management (activate/share/delete). The
ViewModel uses `@MainActor` with proper lifecycle management and
reactive `@Published` properties. Code follows project conventions
including SFSafeSymbols usage and proper memory management.
Error handling improved: deletion failures are now displayed to users in
an alert with the error's localized description, providing better user
feedback compared to the original implementation which silently
suppressed errors with `.cauterize()`.
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<details>
<summary>Original prompt</summary>
> Migrate ConnectionSettingsViewController to SwiftUI, extract business
logic to a separate viewModel
</details>
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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: bgoncal <5808343+bgoncal@users.noreply.github.com>
