fix: replace jsonc with jsonc-parser and cleanup build config

src/actions/translations.ts

@@ -2,7 +2,7 @@
 
 import fs from "node:fs/promises";
 import path from "node:path";
-import JSON5 from "json5";
+import * as JSONC from "jsonc-parser";
 import { z } from "zod";
 import {
 	CLIENT_TRANSLATION_FILES,
@@ -97,7 +97,7 @@ export const saveClientTranslations = adminAction(
 		// intact. Falls back to a full re-serialization (which DOES drop comments)
 		// only when an edited key cannot be located via the patch contract.
 		const original: Record<string, string> = {};
-		const parsed = JSON5.parse(raw);
+		const parsed = JSONC.parse(raw);
 		if (parsed && typeof parsed === "object" && !Array.isArray(parsed)) {
 			for (const [k, v] of Object.entries(parsed)) {
 				original[k] = v == null ? "" : String(v);
@@ -116,7 +116,7 @@ export const saveClientTranslations = adminAction(
 		// and warn the caller that comments were lost.
 		await fs.writeFile(
 			absPath,
-			JSON5.stringify(ctx.data.data, null, 4),
+			JSON.stringify(ctx.data.data, null, 4),
 			"utf-8",
 		);
 		return actionOk({ commentsLost: true, unpatchedKeys });