fix: remove stale main tag from CHANGELOG and document unused theme color

Author: datlechin

CHANGELOG.md

@@ -11,7 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Large document safety caps for syntax highlighting (skip >5MB, throttle >50KB)
 
-## [0.23.2] - 2026-03-24 main
+## [0.23.2] - 2026-03-24
 
 ### Fixed
 

TablePro/Theme/ThemeDefinition.swift

@@ -177,6 +177,7 @@ internal struct EditorThemeColors: Codable, Equatable, Sendable {
     var selection: String
     var lineNumber: String
     var invisibles: String
+    /// Reserved for future current-statement background highlight in the query editor.
     var currentStatementHighlight: String
     var syntax: SyntaxColors