Fix indentation in i18n translation fallback logic and trace manager closing bracket for improved readability

agent/i18n/i18n.go

@@ -342,8 +342,8 @@ func TranslateGlobal(locale string, input any) any {
 	}
 
 	// Fallback logic: for "en-us", try "en"
-		parts := strings.Split(locale, "-")
-		if len(parts) > 1 {
+	parts := strings.Split(locale, "-")
+	if len(parts) > 1 {
 		// Try the language code (e.g., "en" for "en-us")
 		if fallbackI18n, hasFallback := i18ns[parts[0]]; hasFallback {
 			result := fallbackI18n.Parse(input)

trace/manager.go

@@ -165,7 +165,7 @@ func (m *manager) Add(input types.TraceInput, option types.TraceNodeOption) (typ
 				}
 			}
 		}
-		}
+	}
 
 	// Collect parent IDs from all current nodes (supports implicit join)
 	parentIDs := make([]string, 0, len(currentNodes))