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docs/ai/Common/DTS.Common/Interface/DTS.Viewer/Legend.md

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+---
+source_files:
+  - Common/DTS.Common/Interface/DTS.Viewer/Legend/ILegendView.cs
+  - Common/DTS.Common/Interface/DTS.Viewer/Legend/ILegendViewModel.cs
+generated_at: "2026-04-17T16:06:49.136163+00:00"
+model: "zai-org/GLM-5-FP8"
+schema_version: 1
+sha256: "f447774506b0d21c"
+---
+
+# Legend
+
+### Purpose
+This module defines the view and ViewModel interfaces for a Legend component within the DTS Viewer. The ViewModel interface provides access to its associated view, suggesting a composition pattern where the ViewModel owns a reference to its View.
+
+### Public Interface
+
+**`ILegendView`** (interface)
+- Inherits from: `IBaseView`
+- No members defined. Serves as a marker interface for Legend views.
+
+**`ILegendViewModel`** (interface)
+- Inherits from: `IBaseViewModel`
+- Members:
+  - `ILegendView View { get; }` — Gets the Tab View associated with this ViewModel.
+
+### Invariants
+- `ILegendViewModel.View` must return a valid `ILegendView` implementation.
+- The XML comment indicates this view is specifically a "Tab View", suggesting the Legend is rendered as a tabbed interface element.
+
+### Dependencies
+- **Depends on**: `DTS.Common.Base` (for `IBaseView` and `IBaseViewModel`)
+- **Depended on by**: Unknown from source alone (likely concrete Legend implementations and Viewer composition)
+
+### Gotchas
+- The XML documentation refers to "Tab View" which may indicate specific UI placement expectations not evident from the interface alone.
+
+---