refactor: redesign logging system for CLI-friendly output (#561)

* refactor: redesign logging system for CLI-friendly output
* refactor: remove ANSI color support from logger
* fix: address PR review feedback

browser/firefox/firefox.go

@@ -188,7 +188,6 @@ type resolvedPath struct {
 func discoverProfiles(userDataDir string, sources map[types.Category][]sourcePath) []string {
 	entries, err := os.ReadDir(userDataDir)
 	if err != nil {
-		log.Debugf("read user data dir %s: %v", userDataDir, err)
 		return nil
 	}