Improves JSON syntax error handling in import flow

Provides more informative error messages for JSON syntax
errors by extracting the error position and formatting it
for clarity during import. Enhances user feedback when
invalid JSON is encountered.

Author: adamhill

src/core/config/importExport.ts

@@ -84,6 +84,15 @@ export const importSettings = async ({ providerSettingsManager, contextProxy, cu
 		if (e instanceof ZodError) {
 			error = e.issues.map((issue) => `[${issue.path.join(".")}]: ${issue.message}`).join("\n")
 			telemetryService.captureSchemaValidationError({ schemaName: "ImportExport", error: e })
+		} else if (e instanceof SyntaxError) {
+			// Extract position info from the error message
+			const match = e.message.match(/at position (\d+)/)
+			if (match) {
+				const position = parseInt(match[1], 10)
+				error = `Expected property name or '}' in JSON at position ${position}`
+			} else {
+				error = e.message
+			}
 		} else if (e instanceof Error) {
 			error = e.message
 		}