Function convertDiagnostic

convertDiagnostic(
    pikeDiag: PikeDiagnostic,
    document: TextDocument,
    options?: { code?: string; deprecated?: boolean },
): Diagnostic
Convert Pike diagnostic to LSP diagnostic Exported for testing

Adds Diagnostic.code and Diagnostic.tags:
- code: Error code identifier (e.g., "uninitialized-var", "syntax-error")
- tags: DiagnosticTag.Deprecated for deprecated symbol usage
Parameters
- pikeDiag: PikeDiagnostic
- document: TextDocument
- Optionaloptions: { code?: string; deprecated?: boolean }
Returns Diagnostic
- Defined in packages/pike-lsp-server/src/features/diagnostics.ts:83