Fix single-line brace formatting to preserve internal whitespace

The formatter now calculates and passes explicit leading and trailing whitespace around expression content to the `_brace` method. This ensures correct rendering of single-line expressions that include braces.

package.json

@@ -2,7 +2,7 @@
   "name": "nx-post-support",
   "displayName": "NX Postprocessor Support",
   "description": "VS Code extension for NX CAM postprocessor development with syntax highlighting, formatting, linting, and auto-completion for CDL, TCL, and DEF files",
-  "version": "2026.6.100",
+  "version": "2025.9.200",
   "publisher": "Christoph",
   "icon": "images/nx-1.png",
   "extensionDependencies": [
@@ -135,4 +135,4 @@
     "prettier": "^3.4.2",
     "typescript": "^5.7.2"
   }
-}
+}

server/src/tools/formatter.py

@@ -26,6 +26,8 @@ class NxFormatter(BaseFormatter):
                 formatted += [line]
 
         if expr.pos[0] == expr.end_pos[0]:
-            return self._brace(formatted)
+            space_before = expr.children[0].pos[1] - expr.pos[1] - 1
+            space_after = expr.end_pos[1] - expr.children[-1].end_pos[1] - 1
+            return self._brace(formatted, (space_before, space_after))
 
         return ["{"] + self._indent(formatted, self.opts.indent) + ["}"]