Don’t dim text and tweak indentation

packages/astro/src/core/messages.ts

@@ -237,12 +237,10 @@ export function formatConfigErrorMessage(err: ZodError) {
 	const errorList = err.issues.map((issue) =>
 		`! ${renderErrorMarkdown(issue.message, 'cli')}`
 			// Make text wrapped in backticks blue.
-			.replaceAll(codeRegex, cyan('$1'))
+			.replaceAll(codeRegex, blue('$1'))
+			// Make the first line red and indent the rest.
 			.split('\n')
-			// Dim all lines in an issue except for the first which should be red.
-			.map((line, index) => (index > 0 ? dim(line) : red(line)))
-			// Indent all lines.
-			.map((line) => '  ' + line)
+			.map((line, index) => (index === 0 ? red(line) : '  ' + line))
 			.join('\n'),
 	);
 	return `${red('[config]')} Astro found issue(s) with your configuration:\n\n${errorList.join(

packages/astro/test/units/config/config-validate.test.js

@@ -24,7 +24,7 @@ describe('Config Validation', () => {
 			formattedError,
 			`[config] Astro found issue(s) with your configuration:
 
-  ! site: Expected type "string", received "number"`,
+! site: Expected type "string", received "number"`,
 		);
 	});
 
@@ -40,9 +40,9 @@ describe('Config Validation', () => {
 			formattedError,
 			`[config] Astro found issue(s) with your configuration:
 
-  ! integrations.0: Expected type "object", received "number"
+! integrations.0: Expected type "object", received "number"
 
-  ! build.format: Did not match union.
+! build.format: Did not match union.
   > Expected "file" | "directory" | "preserve", received "invalid"`,
 		);
 	});