feat: add editor project switching workflow

editor/src/Application.cpp

@@ -1,5 +1,6 @@
 #include "Application.h"
 #include "Core/EditorLoggingSetup.h"
+#include "Core/ProjectRootResolver.h"
 #include "Core/EditorWindowTitle.h"
 #include "Layers/EditorLayer.h"
 #include "Core/EditorContext.h"
@@ -8,6 +9,7 @@
 #include "UI/BuiltInIcons.h"
 #include "Platform/Win32Utf8.h"
 #include "Platform/WindowsProcessDiagnostics.h"
+#include <XCEngine/Debug/Logger.h>
 #include <windows.h>
 
 namespace XCEngine {
@@ -105,13 +107,25 @@ bool Application::Initialize(HWND hwnd) {
     const std::string exeDir = Platform::GetExecutableDirectoryUtf8();
     ConfigureEditorLogging(exeDir);
 
+    const std::string projectRoot = ResolveEditorProjectRootUtf8();
+    const bool workingDirectoryChanged = SetEditorWorkingDirectory(projectRoot);
+
+    auto& logger = Debug::Logger::Get();
+    const std::string projectRootMessage = "Editor project root: " + projectRoot;
+    logger.Info(Debug::LogCategory::General, projectRootMessage.c_str());
+
+    if (!workingDirectoryChanged) {
+        const std::string warningMessage = "Failed to switch editor working directory to project root: " + projectRoot;
+        logger.Warning(Debug::LogCategory::General, warningMessage.c_str());
+    }
+
     m_hwnd = hwnd;
 
     if (!InitializeWindowRenderer(hwnd)) {
         return false;
     }
 
-    InitializeEditorContext(exeDir);
+    InitializeEditorContext(projectRoot);
     InitializeImGui(hwnd);
     AttachEditorLayer();
     m_renderReady = true;
@@ -151,5 +165,31 @@ void Application::OnResize(int width, int height) {
     m_windowRenderer.Resize(width, height);
 }
 
+bool Application::SwitchProject(const std::string& projectPath) {
+    if (!m_editorContext || projectPath.empty()) {
+        return false;
+    }
+
+    m_imguiSession.SetProjectPath(projectPath);
+    m_editorContext->SetProjectPath(projectPath);
+
+    auto& logger = Debug::Logger::Get();
+    if (!SetEditorWorkingDirectory(projectPath)) {
+        const std::string warningMessage = "Failed to switch editor working directory to project root: " + projectPath;
+        logger.Warning(Debug::LogCategory::General, warningMessage.c_str());
+    }
+
+    const std::string infoMessage = "Switched editor project root: " + projectPath;
+    logger.Info(Debug::LogCategory::General, infoMessage.c_str());
+
+    m_lastWindowTitle.clear();
+    UpdateWindowTitle();
+    return true;
+}
+
+void Application::SaveProjectState() {
+    m_imguiSession.SaveSettings();
+}
+
 }
 }