Add dynamic log level adjustment and "type" field to auth files response

- Introduced `SetLogLevel` utility function for unified log level management.
- Updated dynamic log level handling across server and watcher components.
- Extended auth files response by extracting and including the `type` field from file content.
- Updated management API documentation with the new `type` field in auth files response.

internal/util/proxy.go

@@ -1,6 +1,6 @@
 // Package util provides utility functions for the CLI Proxy API server.
 // It includes helper functions for proxy configuration, HTTP client setup,
-// and other common operations used across the application.
+// log level management, and other common operations used across the application.
 package util
 
 import (

internal/util/util.go

@@ -0,0 +1,23 @@
+package util
+
+import (
+	"github.com/luispater/CLIProxyAPI/internal/config"
+	log "github.com/sirupsen/logrus"
+)
+
+// SetLogLevel configures the logrus log level based on the configuration.
+// It sets the log level to DebugLevel if debug mode is enabled, otherwise to InfoLevel.
+func SetLogLevel(cfg *config.Config) {
+	currentLevel := log.GetLevel()
+	var newLevel log.Level
+	if cfg.Debug {
+		newLevel = log.DebugLevel
+	} else {
+		newLevel = log.InfoLevel
+	}
+
+	if currentLevel != newLevel {
+		log.SetLevel(newLevel)
+		log.Infof("log level changed from %s to %s (debug=%t)", currentLevel, newLevel, cfg.Debug)
+	}
+}