Add minimized Windows autostart and preserve terminal output

tools/chatgui/src/main.cpp

@@ -15,10 +15,12 @@
 #include "call_camera_capture.h"
 #include <cstdio>
 #include <cstring>
+#include <cerrno>
 #ifdef _WIN32
 #include <QStandardPaths>
 #include <windows.h>
 #include <tlhelp32.h>
+#include <io.h>
 #endif
 #include "mainwindow.h"
 #include "../db/db_manager.h"
@@ -30,6 +32,28 @@
 static UtunNode* g_ctrl_node = nullptr;
 static MainWindow* g_mainWindow = nullptr;
 
+// GUI EXE не создаёт консоль; подключаем только родительскую, сохраняя перенаправленные потоки.
+static bool attach_parent_console(void) {
+    if (!AttachConsole(ATTACH_PARENT_PROCESS)) {
+        const DWORD error = GetLastError();
+        if (error != ERROR_ACCESS_DENIED) {
+            if (error != ERROR_INVALID_HANDLE && error != ERROR_INVALID_PARAMETER)
+                DEBUG_WARN(DEBUG_CATEGORY_GENERAL, "Windows parent console attach failed: error=%lu", (unsigned long)error);
+            return false;
+        }
+    }
+    FILE* streams[] = {stdin, stdout, stderr};
+    const char* devices[] = {"CONIN$", "CONOUT$", "CONOUT$"};
+    for (int i = 0; i < 3; ++i) {
+        const int fd = _fileno(streams[i]);
+        const HANDLE handle = fd < 0 ? INVALID_HANDLE_VALUE : (HANDLE)_get_osfhandle(fd);
+        if (handle && handle != INVALID_HANDLE_VALUE && GetFileType(handle) != FILE_TYPE_UNKNOWN) continue;
+        if (!freopen(devices[i], i == 0 ? "r" : "w", streams[i]))
+            DEBUG_WARN(DEBUG_CATEGORY_GENERAL, "Windows console stream reopen failed: stream=%d errno=%d", i, errno);
+    }
+    return true;
+}
+
 static DWORD count_threads(void) {
     DWORD pid = GetCurrentProcessId(), count = 0;
     HANDLE snap = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
@@ -75,6 +99,10 @@ static struct ShutdownSentinel {
 
 int main(int argc, char *argv[]) {
     if (argc >= 2 && std::strcmp(argv[1], "--call-camera-worker") == 0) return call_camera_worker_main(argc, argv);
+    debug_config_init();
+#ifdef _WIN32
+    const bool consoleAttached = attach_parent_console();
+#endif
 #ifdef Q_OS_LINUX
     /* На Wayland композитор владеет позицией окна (move() игнорируется) —
      * для полноценного ручного move/resize с пропорцией запускаемся через XWayland. */
@@ -87,7 +115,7 @@ int main(int argc, char *argv[]) {
     app.setDesktopFileName("org.utun.vibechat");
     app.setWindowIcon(QIcon(":/icons/app_icon.png"));
     app.setQuitOnLastWindowClosed(false);
-    debug_config_init();
+    const bool minimized = app.arguments().contains(QStringLiteral("--minimized"));
 
     QString cfgDir = QCoreApplication::applicationDirPath();
 #ifdef _WIN32
@@ -218,6 +246,7 @@ int main(int argc, char *argv[]) {
     debug_apply_global_level(lvl.toUtf8().constData());
     DEBUG_INFO(DEBUG_CATEGORY_GENERAL, "vibechat: version=%s", qPrintable(app.applicationVersion()));
 #ifdef _WIN32
+    DEBUG_INFO(DEBUG_CATEGORY_GENERAL, "Windows console: attached=%d", consoleAttached);
     DEBUG_INFO(DEBUG_CATEGORY_CONFIG, "Windows storage: reason=%s config=%s db=%s log=%s lock=%s",
                qPrintable(storageReason), qPrintable(cfgPath), qPrintable(dbPath), qPrintable(debugFile),
                qPrintable(cfgDir + "/vibechat.lock"));
@@ -228,7 +257,8 @@ int main(int argc, char *argv[]) {
     DbManager db;
     MainWindow w(nullptr, &db, cfgPath, dbPath, debugFile,
                  cfg.debugLevel(), cfg.debugCategories());
-    w.show();
+    if (minimized) w.showMinimized(); else w.show();
+    DEBUG_INFO(DEBUG_CATEGORY_GENERAL, "GUI startup: minimized_requested=%d minimized=%d", minimized, w.isMinimized());
 
 #ifdef _WIN32
     g_ctrl_node = w.utunNode();