refactor: Use full commit hash instead of truncated version

Remove unnecessary truncation of Git commit hash from vcs.revision.
The full hash provides better traceability and eliminates arbitrary
magic numbers in the code.

Simpler, cleaner, and more robust approach.

cmd/soundtouch-cli/main.go

@@ -25,11 +25,7 @@ func getBuildInfo() (version, commit, date string) {
 		for _, setting := range info.Settings {
 			switch setting.Key {
 			case "vcs.revision":
-				if len(setting.Value) >= 7 {
-					commit = setting.Value[:7]
-				} else {
-					commit = setting.Value
-				}
+				commit = setting.Value
 			case "vcs.time":
 				if t, err := time.Parse(time.RFC3339, setting.Value); err == nil {
 					date = t.Format("2006-01-02_15:04:05")