Move input contracts to model

docs/PROJECT-STRUCTURE.md

@@ -179,6 +179,8 @@ decoders, host surfaces, renderers, persistence, and tests; consumers do not dep
 decoded pixels.
 `engine/Age.Engine/Model/SurfaceContracts.cs` owns neutral surface fill/copy requests and the black-fade direction
 shared by VM presentation, graphics hosts, Godot, and tests.
+`engine/Age.Engine/Model/InputContracts.cs` owns neutral ADV auto-wait state and fullwidth text-edit request/result
+records shared by input hosts, timing policy, VM dispatch, Godot, and tests.
 
 `engine/Age.Engine/Model/GfxState.cs` retains cross-domain retained-graphics coordination.
 `engine/Age.Engine/Model/GfxState.Contracts.cs` owns its public render, transition, diagnostic, persistence,

docs/remake-architecture-and-roadmap.md

@@ -804,6 +804,11 @@ do not mix mechanical moves with semantic changes.
    remain behaviorally unchanged. Input transport records remain in their prior locations pending a separate
    cleanup. Runtime validation remains green.
 
+   The ninth bounded contract slice moved the unchanged `FullwidthTextEditRequest`, `FullwidthTextEditResult`, and
+   `AdvAutoWaitState` declarations from `Hosting` into `Model/InputContracts.cs`. Only the auto-advance timer and
+   its focused tests required new imports; record shape, editor defaults, wait overloads, and all runtime behavior
+   remain unchanged. Runtime validation remains green.
+
 4. **Make the build graph express source ownership.** Stop linking production `.cs` files from `godot/` and
    `tools/movie-corpus-gate/` into `Age.Engine.Tests`. Extract the platform-neutral frontend/movie/diagnostic
    code into a small production project referenced by Godot, tests, and the corpus gate. Retain both existing
@@ -1165,7 +1170,7 @@ layer's rendering diverges from ADV; save layout.
 Continue step 3 of the **codebase consolidation** maintenance slice: clarify runtime contracts without changing
 behavior or the aggregate host accepted by the VM. With diagnostic, lifecycle, audio, and movie contracts
 established beneath `IHost`, shared graphics transport neutral, and graphics/input contracts now separated, move
-the unchanged `FullwidthTextEditRequest`, `FullwidthTextEditResult`, and `AdvAutoWaitState` declarations from
-`Hosting` to `Model` next. Preserve all consumers before extracting the remaining ADV text/presentation contract.
+the remaining ADV text/history/layout/presentation members into `IAdvHost` next. Preserve all required/default
+members and existing hosts, leaving `IHost` as the unchanged aggregate runtime entry point.
 Concrete playthrough blockers may still preempt this bounded maintenance work; the consolidation effort does
 not replace Phase B gameplay validation or the open cross-platform gates.

engine/Age.Engine.Tests/AdvAutoAdvanceTimerTests.cs

@@ -1,4 +1,5 @@
 using Age.Engine.Hosting;
+using Age.Engine.Model;
 using Xunit;
 
 public class AdvAutoAdvanceTimerTests

engine/Age.Engine/Hosting/AdvAutoAdvanceTimer.cs

@@ -1,3 +1,5 @@
+using Age.Engine.Model;
+
 namespace Age.Engine.Hosting;
 
 /// <summary>

engine/Age.Engine/Hosting/IHost.cs

@@ -17,16 +17,9 @@ public readonly record struct AdvWaitIndicatorConfig(
     }
 }
 
-public readonly record struct AdvAutoWaitState(
-    bool Enabled, bool VoicePending, long PostVoiceDelayMs, long UnvoicedDelayMs);
-
 /// <summary>A synchronous AGE-owned diagnostic prompt after native body/context formatting.</summary>
 public readonly record struct DiagnosticMessage(string Caption, string Text);
 
-/// <summary>AGERc command 10's synchronous full-width text edit request and result.</summary>
-public readonly record struct FullwidthTextEditRequest(string CurrentText, string InitialText);
-public readonly record struct FullwidthTextEditResult(bool Accepted, string Text);
-
 public interface IHost : IDiagnosticHost, ILifecycleHost, IAudioHost, IMovieHost, IGraphicsHost, IInputHost
 {
     void ShowText(int offset, string text);

engine/Age.Engine/Model/InputContracts.cs

@@ -0,0 +1,8 @@
+namespace Age.Engine.Model;
+
+public readonly record struct AdvAutoWaitState(
+    bool Enabled, bool VoicePending, long PostVoiceDelayMs, long UnvoicedDelayMs);
+
+/// <summary>AGERc command 10's synchronous full-width text edit request and result.</summary>
+public readonly record struct FullwidthTextEditRequest(string CurrentText, string InitialText);
+public readonly record struct FullwidthTextEditResult(bool Accepted, string Text);