Function normalizeTypeName

src/tools/PowerShellTool/clmTypes.ts:194–203

(name: string)

 * Handles array suffix ([]) and generic brackets.
 */
export function normalizeTypeName(name: string): string {
  // Strip array suffix: "String[]" → "string" (arrays of allowed types are allowed)
  // Strip generic args: "List[int]" → "list" (conservative — the generic wrapper
  // might be unsafe even if the type arg is safe, so we check the outer type)
  return name
    .toLowerCase()
    .replace(/\[\]$/, '')
    .replace(/\[.*\]$/, '')
    .trim()
}

/**
 * True if typeName (from AST) is in Microsoft's CLM allowlist.