初始化：图形化界面骨架（文件选择、语法高亮、自动缩进、查找/替换）

backend/compileprocessmanager.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <QObject>
+#include <QProcess>   // ✅ 关键：要完整引入 QProcess
+
+class CompileProcessManager : public QObject
+{
+    Q_OBJECT
+public:
+    explicit CompileProcessManager(QObject *parent = nullptr);
+
+    // 目前简单接受代码字符串，后面可以加更多参数
+    void runCompile(const QString &sourceCode);
+
+    signals:
+        void compileFinished(const QString &stdoutText,
+                             const QString &stderrText,
+                             int exitCode);
+
+private slots:
+    void onProcessFinished(int exitCode, QProcess::ExitStatus status);
+
+private:
+    QProcess *m_process = nullptr;
+
+    QStringList buildArguments(const QString &sourceCode);
+};