port: GrpScreen verbatim 40250 (2d draws via UIRender, D3D8 shim device-lost/Present/ID3DXMesh)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/platform/EterLib/RecordingDevice.cpp

@@ -328,6 +328,11 @@ public:
 	// The caps leave out D3DCAPS2_FULLSCREENGAMMA (the frame goes to a window, where D3D8 ignores the
 	// ramp too), so 40250 CPythonGraphic::SetGamma returns before it gets here.
 	void SetGammaRamp(DWORD, const D3DGAMMARAMP*) override {}
+	// PORT: the host owns the swapchain (Vulkan / canvas): the recorded device is never lost, Reset keeps
+	// the recording size, and the host presents the recorded frame after CPythonApplication::Process.
+	HRESULT TestCooperativeLevel() override { return D3D_OK; }
+	HRESULT Reset(D3DPRESENT_PARAMETERS*) override { return D3D_OK; }
+	HRESULT Present(const RECT*, const RECT*, HWND, const RGNDATA*) override { return D3D_OK; }
 	HRESULT BeginScene() override { return S_OK; }
 	HRESULT EndScene() override { return S_OK; }
 
@@ -504,6 +509,11 @@ public:
 	}
 	// PORT: fixed function only; CGraphicDevice's stream "shaders" are the FVFs they describe.
 	HRESULT SetVertexShader(DWORD handle) override { m_fvf = handle; return S_OK; }
+	HRESULT GetVertexShader(DWORD* pHandle) override
+	{
+		*pHandle = m_fvf;
+		return S_OK;
+	}
 	HRESULT SetPixelShader(DWORD) override { return S_OK; }
 	// PORT: no programmable vertex shaders; 40250 falls back to its FVF when creation fails.
 	HRESULT CreateVertexShader(const DWORD*, const DWORD*, DWORD* pHandle, DWORD) override