chore: import clean Agent Desk snapshot (2/7)

internal/pkg/logx/logger.go

@@ -0,0 +1,47 @@
+package logx
+
+import (
+	"log/slog"
+	"os"
+	"strings"
+)
+
+// Config 定义日志初始化参数。
+type Config struct {
+	Level     string `yaml:"level"`
+	Format    string `yaml:"format"`
+	AddSource bool   `yaml:"addSource"`
+}
+
+// Init 初始化全局 slog logger，并设置为默认 logger。
+func Init(cfg Config) *slog.Logger {
+	level := parseLevel(cfg.Level)
+	opts := &slog.HandlerOptions{
+		Level:     level,
+		AddSource: cfg.AddSource,
+	}
+
+	var handler slog.Handler
+	if strings.EqualFold(cfg.Format, "json") {
+		handler = slog.NewJSONHandler(os.Stdout, opts)
+	} else {
+		handler = slog.NewTextHandler(os.Stdout, opts)
+	}
+
+	logger := slog.New(handler)
+	slog.SetDefault(logger)
+	return logger
+}
+
+func parseLevel(level string) slog.Level {
+	switch strings.ToLower(strings.TrimSpace(level)) {
+	case "debug":
+		return slog.LevelDebug
+	case "warn", "warning":
+		return slog.LevelWarn
+	case "error":
+		return slog.LevelError
+	default:
+		return slog.LevelInfo
+	}
+}