feat: SafeLine CE 9.3.9 with pro features

- Remove telemetry: disabled all phone-home (installation notify, false positives, behavior tracking, upgrade tips)
- Version branding: removed 'ce-' prefix, product name changed to '长亭雷池 WAF'
- Detection engine enhancement: strict preset enables all 17 modules with aggressive configs
- Multi-user RBAC: admin/operator/viewer roles with password + TOTP 2FA
- Rate limiting: nginx limit_req per website (RPS, burst, action)
- JS Challenge: browser fingerprint verification page with cookie-based bypass
- Security fixes: removed InsecureSkipVerify, hardcoded credentials, NO_AUTH backdoor

management/tcontrollerd/pkg/config/log.go

@@ -0,0 +1,25 @@
+package config
+
+import (
+	"chaitin.cn/dev/go/settings"
+)
+
+type LogConfig struct {
+	Output string `yaml:"output"`
+	Level  string `yaml:"level"`
+}
+
+func DefaultLogConfig() LogConfig {
+	return LogConfig{
+		Output: "stdout",
+		Level:  "info",
+	}
+}
+
+func (lc *LogConfig) Load(setting *settings.Setting) error {
+	if err := setting.Unmarshal("log", lc); err != nil {
+		return err
+	}
+
+	return nil
+}