diff --git a/scripts/optimized i18n-check.mjs b/scripts/optimized i18n-check.mjs
new file mode 100644
index 000000000..5e683ffcb
--- /dev/null
+++ b/scripts/optimized i18n-check.mjs	
@@ -0,0 +1,126 @@
+#!/usr/bin/env node
+/**
+ * Advanced i18n validator
+ * - Validates key parity
+ * - Detects invalid JSON
+ * - Pretty CI output
+ * - Optional --fix mode
+ */
+
+import fs from "node:fs";
+import path from "node:path";
+
+const LOCALES_DIR = path.resolve("src/i18n/locales");
+const BASE_LOCALE = "en";
+const FIX_MODE = process.argv.includes("--fix");
+
+const color = {
+	red: (t) => `\x1b[31m${t}\x1b[0m`,
+	yellow: (t) => `\x1b[33m${t}\x1b[0m`,
+	green: (t) => `\x1b[32m${t}\x1b[0m`,
+	cyan: (t) => `\x1b[36m${t}\x1b[0m`,
+	bold: (t) => `\x1b[1m${t}\x1b[0m`,
+};
+
+function readJSON(file) {
+	try {
+		return JSON.parse(fs.readFileSync(file, "utf-8"));
+	} catch (err) {
+		console.error(color.red(`INVALID JSON → ${file}`));
+		throw err;
+	}
+}
+
+function getKeys(obj, prefix = "") {
+	const keys = [];
+	for (const [key, value] of Object.entries(obj)) {
+		const fullKey = prefix ? `${prefix}.${key}` : key;
+		if (value && typeof value === "object" && !Array.isArray(value))
+			keys.push(...getKeys(value, fullKey));
+		else keys.push(fullKey);
+	}
+	return keys.sort();
+}
+
+function setDeep(obj, keyPath, value = "") {
+	const parts = keyPath.split(".");
+	let cur = obj;
+	while (parts.length > 1) {
+		const p = parts.shift();
+		cur[p] ??= {};
+		cur = cur[p];
+	}
+	cur[parts[0]] ??= value;
+}
+
+let errors = 0;
+let fixed = 0;
+
+const baseDir = path.join(LOCALES_DIR, BASE_LOCALE);
+const namespaces = fs.readdirSync(baseDir).filter(f => f.endsWith(".json"));
+
+const locales = fs.readdirSync(LOCALES_DIR, { withFileTypes: true })
+	.filter(d => d.isDirectory())
+	.map(d => d.name)
+	.filter(l => l !== BASE_LOCALE);
+
+console.log(color.cyan(`Checking ${locales.length} locales across ${namespaces.length} namespaces\n`));
+
+for (const file of namespaces) {
+	const basePath = path.join(baseDir, file);
+	const baseData = readJSON(basePath);
+	const baseKeys = getKeys(baseData);
+
+	for (const locale of locales) {
+		const localePath = path.join(LOCALES_DIR, locale, file);
+
+		if (!fs.existsSync(localePath)) {
+			console.error(color.red(`MISSING FILE → ${locale}/${file}`));
+			errors++;
+			continue;
+		}
+
+		const localeData = readJSON(localePath);
+		const localeKeys = getKeys(localeData);
+
+		const missing = baseKeys.filter(k => !localeKeys.includes(k));
+		const extra = localeKeys.filter(k => !baseKeys.includes(k));
+
+		if (missing.length || extra.length) {
+			console.log(color.bold(`\n${locale}/${file}`));
+
+			if (missing.length) {
+				console.log(color.red("  Missing keys:"));
+				missing.forEach(k => console.log("   -", k));
+				errors += missing.length;
+
+				if (FIX_MODE) {
+					missing.forEach(k => setDeep(localeData, k));
+					fs.writeFileSync(localePath, JSON.stringify(localeData, null, 2));
+					fixed += missing.length;
+				}
+			}
+
+			if (extra.length) {
+				console.log(color.yellow("  Extra keys:"));
+				extra.forEach(k => console.log("   +", k));
+				errors += extra.length;
+			}
+		}
+	}
+}
+
+console.log("\n----------------------------------");
+
+if (errors === 0) {
+	console.log(color.green("✓ i18n PASSED"));
+	process.exit(0);
+}
+
+if (FIX_MODE) {
+	console.log(color.green(`✓ Fixed ${fixed} missing keys`));
+	process.exit(0);
+}
+
+console.log(color.red(`✗ i18n FAILED — ${errors} issues found`));
+process.exit(1);