Added config editor in front end

tests/RenderCadenceCompositorAppConfigProviderTests.cpp

@@ -1,4 +1,5 @@
 #include "AppConfigProvider.h"
+#include "AppConfigJson.h"
 #include "DeckLinkDisplayMode.h"
 
 #include <chrono>
@@ -51,7 +52,8 @@ std::filesystem::path WriteConfigFixture()
 		<< "  \"autoReload\": false,\n"
 		<< "  \"maxTemporalHistoryFrames\": 8,\n"
 		<< "  \"previewEnabled\": true,\n"
-		<< "  \"previewFps\": 24\n"
+		<< "  \"previewFps\": 24,\n"
+		<< "  \"runtimeShaderId\": \"solid-color\"\n"
 		<< "}\n";
 	return path;
 }
@@ -87,6 +89,7 @@ void TestLoadsRuntimeHostConfig()
 	Expect(config.maxTemporalHistoryFrames == 8, "history length loads");
 	Expect(config.previewEnabled, "preview enabled toggle loads");
 	Expect(config.previewFps == 24.0, "preview fps loads");
+	Expect(config.runtimeShaderId == "solid-color", "runtime shader id loads");
 	Expect(config.output.externalKeyingEnabled, "external keying loads");
 	Expect(config.output.outputAlphaRequired, "output alpha requirement loads");
 
@@ -121,6 +124,31 @@ void TestPreviewDefaultsAreOptIn()
 	Expect(config.previewFps == 60.0, "preview fps default is 60");
 }
 
+void TestConfigJsonRoundTrip()
+{
+	using namespace RenderCadenceCompositor;
+
+	AppConfig config = DefaultAppConfig();
+	config.shaderLibrary = "custom-shaders";
+	config.output.backend = "ndi";
+	config.output.device = "Program";
+	config.output.pixelFormat = "uyvy8";
+	config.previewEnabled = true;
+	config.runtimeShaderId = "solid-color";
+
+	const std::string json = AppConfigToJson(config);
+	AppConfig parsed;
+	std::string error;
+	Expect(ParseAppConfigJson(json, parsed, error), "serialized config parses");
+	Expect(error.empty(), "serialized config parse has no error");
+	Expect(parsed.shaderLibrary == "custom-shaders", "shader library round trips");
+	Expect(parsed.output.backend == "ndi", "output backend round trips");
+	Expect(parsed.output.device == "Program", "output device round trips");
+	Expect(parsed.output.pixelFormat == "uyvy8", "output pixel format round trips");
+	Expect(parsed.previewEnabled, "preview enabled round trips");
+	Expect(parsed.runtimeShaderId == "solid-color", "runtime shader id round trips");
+}
+
 void TestHelpers()
 {
 	using namespace RenderCadenceCompositor;
@@ -149,6 +177,7 @@ int main()
 	TestLoadsRuntimeHostConfig();
 	TestCommandLineOverrides();
 	TestPreviewDefaultsAreOptIn();
+	TestConfigJsonRoundTrip();
 	TestHelpers();
 
 	if (gFailures != 0)