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docs/ai/Common/DTS.Common/Interface/SystemSettings/UISettings.md

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+---
+source_files:
+  - Common/DTS.Common/Interface/SystemSettings/UISettings/IUISettingsView.cs
+  - Common/DTS.Common/Interface/SystemSettings/UISettings/IUISettingsViewModel.cs
+generated_at: "2026-04-17T16:37:28.996637+00:00"
+model: "zai-org/GLM-5-FP8"
+schema_version: 1
+sha256: "de88342860a71a53"
+---
+
+# Documentation: IUISettingsView and IUISettingsViewModel Interfaces
+
+## 1. Purpose
+
+This module defines two marker interfaces—`IUISettingsView` and `IUISettingsViewModel`—that establish the View and ViewModel contracts for a UI Settings feature within an MVVM (Model-View-ViewModel) architecture. These interfaces exist to provide type identity for UI Settings components, allowing them to be identified, resolved, or constrained independently of their base types. They serve as extension points for future UI-specific settings functionality while maintaining compatibility with the broader `IBaseView` and `IBaseViewModel` hierarchies.
+
+---
+
+## 2. Public Interface
+
+### `IUISettingsView`
+- **Namespace:** `DTS.Common.Interface`
+- **Signature:** `public interface IUISettingsView : IBaseView`
+- **Description:** A marker interface for UI Settings views. Inherits from `IBaseView` but defines no additional members. Intended to be implemented by view components responsible for displaying or editing UI settings.
+
+### `IUISettingsViewModel`
+- **Namespace:** `DTS.Common.Interface`
+- **Signature:** `public interface IUISettingsViewModel : IBaseViewModel`
+- **Description:** A marker interface for UI Settings view models. Inherits from `IBaseViewModel` but defines no additional members. Intended to be implemented by view model components that manage the state and behavior for UI settings views.
+
+---
+
+## 3. Invariants
+
+- **Inheritance constraint:** `IUISettingsView` must always inherit from `IBaseView`, and `IUISettingsViewModel` must always inherit from `IBaseViewModel`.
+- **Member contract:** Neither interface defines any members of its own; all behavior contracts are inherited from their respective base interfaces.
+- **Type identity:** Any class implementing `IUISettingsView` or `IUISettingsViewModel` is implicitly also a `IBaseView` or `IBaseViewModel` respectively.
+
+**Note:** Additional invariants (e.g., threading requirements, lifecycle guarantees) cannot be determined from the source alone and would be defined in `IBaseView` and `IBaseViewModel`.
+
+---
+
+## 4. Dependencies
+
+### This module depends on:
+- `DTS.Common.Base` — Provides `IBaseView` and `IBaseViewModel` base interfaces.
+
+### What depends on this module:
+- **Cannot be determined from source alone.** Consumers would include concrete view and view model implementations for UI settings, as well as any dependency injection containers, navigation services, or factory classes that resolve or create UI Settings components by these interface types.
+
+---
+
+## 5. Gotchas
+
+- **Empty marker interfaces:** Both interfaces define no members. This is a valid pattern for type discrimination, but developers should be aware that all actual behavior contracts come from `IBaseView` and `IBaseViewModel`. If UI Settings-specific members are needed in the future, these interfaces would need to be extended.
+- **Base interface contracts unknown:** The actual responsibilities, properties, and methods that implementers must provide are defined in `IBaseView` and `IBaseViewModel`, which are not included in the provided source. Developers should consult those definitions to understand the full contract