Fixed lint issues and missing documentation

internal/config/debug.go

@@ -11,7 +11,7 @@ import (
 	"github.com/spf13/viper"
 )
 
-// Debug: Prints detected environment variables
+// printEnv logs the JOBSEARCH* environment variables at debug level.
 func printEnv() {
 	slog.Debug("Environment:")
 	env := os.Environ()
@@ -24,7 +24,8 @@ func printEnv() {
 	}
 }
 
-// Debug: Prints loaded configuration
+// printLoadedConfig logs every key Viper has loaded, with its value and type,
+// at debug level.
 func printLoadedConfig() {
 	slog.Debug("Loaded config:")
 	keys := viper.AllKeys()
@@ -37,7 +38,7 @@ func printLoadedConfig() {
 	}
 }
 
-// Debug: Prints parsed configuration
+// printConfig logs conf at debug level.
 func printConfig(conf JobSearchConfig) {
 	slog.Debug("Config:")
 	conf.PrintLog(slog.LevelDebug)