feat(config): 添加 JSON/TOML 配置读取与 YAML/JSON/TOML 导出功能, 优化部分内部代码结构, 更新 Makefile：添加 Zig 外链检测、可选 UPX 压缩、构建流程优化

Makefile

@@ -1,23 +1,64 @@
-APP_NAME = netctl
-SRC = .
-OUTPUT = ./bin/$(APP_NAME).exe
-GO = go
+APP_NAME := netctl
+SRC := .
+OUTPUT := ./bin/$(APP_NAME).exe
+GO := go
 
-# 获取 Git commit
+# Version info
+VERSION := 1.0.1
 GIT_COMMIT := $(shell git rev-parse --short HEAD 2>/dev/null || echo none)
-# 获取当前时间 UTC
 BUILD_TIME := $(shell date -u +%Y-%m-%dT%H:%M:%SZ)
 
-.PHONY: build run clean
+# Detect tools
+DETECTED_ZIG := $(shell command -v zig 2>/dev/null)
+DETECTED_UPX := $(shell command -v upx 2>/dev/null)
+
+# User config
+ZIG ?= 1          # auto enable zig linker if exists
+BRUTE ?= 0        # UPX brute mode disabled by default
+
+.PHONY: all build run clean
+
+all: build
 
-# 编译命令
 build:
-	$(GO) build -ldflags "-X 'netcli/cmd.Version=1.0.0' -X 'netcli/cmd.Commit=$(GIT_COMMIT)' -X 'netcli/cmd.BuildTime=$(BUILD_TIME)'" -o $(OUTPUT) $(SRC)
+	@mkdir -p ./bin
+
+	@if [ "$(ZIG)" = "1" ] && [ -n "$(DETECTED_ZIG)" ]; then \
+		echo "Zig detected -> Using Zig as Go external linker"; \
+		export CGO_ENABLED=0; \
+		export CC="zig cc"; \
+		export CXX="zig c++"; \
+		$(GO) build -trimpath -ldflags "-s -w \
+			-X 'netcli/cmd.Version=$(VERSION)' \
+			-X 'netcli/cmd.Commit=$(GIT_COMMIT)' \
+			-X 'netcli/cmd.BuildTime=$(BUILD_TIME)'" \
+			-o $(OUTPUT) $(SRC); \
+	else \
+		echo "Zig not used → Using Go native linker"; \
+		$(GO) build -trimpath -ldflags "-s -w \
+			-X 'netcli/cmd.Version=$(VERSION)' \
+			-X 'netcli/cmd.Commit=$(GIT_COMMIT)' \
+			-X 'netcli/cmd.BuildTime=$(BUILD_TIME)'" \
+			-o $(OUTPUT) $(SRC); \
+	fi
+
+	@if [ -n "$(DETECTED_UPX)" ]; then \
+		if [ "$(BRUTE)" = "1" ]; then \
+			echo "UPX brute mode enabled (--ultra-brute)..."; \
+			upx --ultra-brute $(OUTPUT); \
+		else \
+			echo "UPX detected → Applying normal compression (--best --lzma)..."; \
+			upx --best --lzma $(OUTPUT); \
+		fi \
+	else \
+		echo "UPX not found → Skipping compression"; \
+	fi
 
-# 直接运行
 run:
-	$(GO) run -ldflags "-X 'netcli/cmd.Version=1.0.0' -X 'netcli/cmd.Commit=$(GIT_COMMIT)' -X 'netcli/cmd.BuildTime=$(BUILD_TIME)'" $(SRC)
+	$(GO) run -ldflags "-s -w \
+		-X 'netcli/cmd.Version=$(VERSION)' \
+		-X 'netcli/cmd.Commit=$(GIT_COMMIT)' \
+		-X 'netcli/cmd.BuildTime=$(BUILD_TIME)'" $(SRC)
 
-# 清理编译文件
 clean:
 	rm -f $(OUTPUT)