Organize scripts and add TWS plugins with HTTP timeouts

Vendor pinned T5 and T6 plugin sources under the new plugins layout. Add native HTTP deadlines, status and timing diagnostics, telemetry integration, and build/test tooling.

t5/plugins/tws-t5-gsc-utils/src/utils/io.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <string>
+#include <vector>
+#include <filesystem>
+
+namespace utils::io
+{
+	bool remove_file(const std::string& file);
+	bool move_file(const std::string& src, const std::string& target);
+	bool file_exists(const std::string& file);
+	bool write_file(const std::string& file, const std::string& data, bool append = false);
+	bool read_file(const std::string& file, std::string* data);
+	std::string read_file(const std::string& file);
+	size_t file_size(const std::string& file);
+	bool create_directory(const std::string& directory);
+	bool directory_exists(const std::string& directory);
+	bool directory_is_empty(const std::string& directory);
+	std::vector<std::string> list_files(const std::string& directory);
+	void copy_folder(const std::filesystem::path& src, const std::filesystem::path& target);
+	size_t remove_directory(const std::filesystem::path& src, bool recursive = false);
+}