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enriched-qwen3-coder-next/Common/DTS.Common/Interface/ManageUsers.md

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+---
+source_files:
+  - Common/DTS.Common/Interface/ManageUsers/IManageUsersView.cs
+  - Common/DTS.Common/Interface/ManageUsers/IManageUsersViewModel.cs
+generated_at: "2026-04-16T03:03:45.301722+00:00"
+model: "Qwen/Qwen3-Coder-Next-FP8"
+schema_version: 1
+sha256: "fcb39a8bc79bb473"
+---
+
+# ManageUsers
+
+## 1. Purpose  
+This module defines the core view and view-model interfaces for the *Manage Users* feature within the DTS (likely *Data Tracking System*) application architecture. It serves as a contract layer in a MVVM (Model-View-ViewModel) pattern, ensuring loose coupling between UI presentation (`IManageUsersView`) and business/logic state management (`IManageUsersViewModel`). The interfaces themselves are intentionally minimal—extending base abstractions (`IBaseView`, `IBaseViewModel`)—indicating that this feature follows a standardized structural convention used across the codebase for user management functionality.
+
+## 2. Public Interface  
+No public methods, properties, or events are declared directly in either interface. Both interfaces are *marker interfaces* with no additional members beyond those inherited from their base types.
+
+- **`IManageUsersView : IBaseView`**  
+  Represents the UI layer contract for the *Manage Users* view. As it inherits `IBaseView`, it is expected to support standard view lifecycle or binding behaviors defined in `IBaseView` (e.g., data context assignment, initialization hooks), though those specifics are not visible in this file.
+
+- **`IManageUsersViewModel : IBaseViewModel`**  
+  Represents the view-model contract for *Manage Users* logic. As it inherits `IBaseViewModel`, it is expected to expose standard view-model capabilities (e.g., command binding, state management, property change notifications) as defined in `IBaseViewModel`.
+
+> **Note**: Actual functionality (e.g., user list retrieval, user creation/deletion commands, filtering logic) is *not* present in these interfaces and must be defined elsewhere (e.g., in concrete implementations or derived interfaces).
+
+## 3. Invariants  
+- `IManageUsersView` and `IManageUsersViewModel` must be used *together* as a view/view-model pair per MVVM conventions.  
+- Both interfaces are part of the `DTS.Common.Interface` namespace, implying they are intended for cross-module consumption (e.g., shared between UI and service layers).  
+- Inheritance from `IBaseView`/`IBaseViewModel` implies adherence to the base contract’s semantics (e.g., lifecycle, binding context), though the exact invariants depend on those base interfaces (not shown here).  
+- No additional validation rules, state constraints, or ordering guarantees are specified in this source.
+
+## 4. Dependencies  
+- **Depends on**:  
+  - `DTS.Common.Base` namespace (specifically `IBaseView` and `IBaseViewModel`).  
+- **Depended on by**:  
+  - Concrete implementations of `IManageUsersView` (e.g., a WPF `UserControl` or `Window` class).  
+  - Concrete implementations of `IManageUsersViewModel` (e.g., a `ManageUsersViewModel` class).  
+  - DI containers or navigation frameworks that resolve or bind these interfaces to concrete types.  
+  - Other modules that reference this interface for dependency inversion (e.g., a module registering or managing user management features).
+
+## 5. Gotchas  
+- **Minimal contract**: These interfaces contain no members, so developers may mistakenly assume they carry functionality. All behavior must be implemented in derived classes or via extension (e.g., via `IBaseView`/`IBaseViewModel` or additional interfaces).  
+- **Ambiguity in base interfaces**: Behavior and invariants of `IBaseView` and `IBaseViewModel` are not documented here; their definitions are required to understand full semantics.  
+- **No feature-specific extensibility**: If future enhancements require adding properties (e.g., `Users`, `SelectedUser`) or commands (e.g., `RefreshCommand`), this interface must be modified—breaking existing implementations. Consider using partial interfaces or composition if extensibility is anticipated.  
+- **None identified from source alone.**