feat: spdlog 显式初始化——控制台彩色 + 文件双 sink

Application 构造时 Logger::Initialize（APP logger：stderr 彩色 +
HelloVulkan.log 双写，warn 以上立即 flush），析构 Shutdown。

Engine/src/Core/Log.cpp

@@ -1,3 +1,51 @@
 //
 // Created by atdunbg on 2026/9/20.
 //
+#include <Engine/Core/Log.h>
+
+#include "spdlog/sinks/basic_file_sink.h"
+#include "spdlog/sinks/stdout_color_sinks.h"
+
+namespace Engine::Logger
+{
+    static bool IsInited = false;
+
+    void Initialize()
+    {
+        if (IsInited)
+        {
+            throw std::runtime_error("spdlog already inited");
+        }
+        IsInited = true;
+
+        // 控制台彩色 sink (多线程安全)
+        auto console = std::make_shared<spdlog::sinks::stderr_color_sink_mt>();
+        console->set_pattern("%^[%T.%e] [%l] [%n] %v%$");
+
+        // 文件
+        auto file = std::make_shared<spdlog::sinks::basic_file_sink_mt>("HelloVulkan.log", true);
+        file->set_pattern("[%Y-%m-%d %T.%e] [%l] [%t] %v");
+
+        // 多sink 组合默认 logger
+
+        // auto logger = std::make_shared<spdlog::logger>("hello", spdlog::sinks_init_list{console, file});
+        auto logger = std::make_shared<spdlog::logger>("APP", spdlog::sinks_init_list{console, file});
+        logger->set_level(spdlog::level::trace);
+        logger->flush_on(spdlog::level::warn); // warn 及以上立即 flush,避免崩溃丢日志
+
+        spdlog::set_default_logger(logger);
+    }
+
+
+    void Shutdown()
+    {
+        if (!IsInited)
+        {
+            throw std::runtime_error("spdlog already shutdown or not init");
+        }
+        IsInited = false;
+
+        spdlog::shutdown();
+    }
+}
+