fix(i18n): eliminate portuguese text leaks across english routes

- Localize skip-to-content accessibility link and breadcrumb navigation
- Convert section layouts to dynamic generateMetadata with English titles, descriptions, and structured data
- Eliminate mixed language expressions and translate remaining SoC connection pin warnings and descriptions
- Translate component registry items, categories, tags, and IDF Component Manager guide
- Add strict identical string verification to scripts/check-i18n.mjs with technical allowlist

Co-Authored-By: Antigravity <noreply@google.com>

components/SeriesTabMenu.jsx

@@ -2,7 +2,7 @@
 
 import { useEffect, useRef, useState } from "react";
 
-export default function SeriesTabMenu({ tabs }) {
+export default function SeriesTabMenu({ tabs, isEn = false }) {
 	const availableTabs = tabs.filter((tab) => tab.available);
 	const [activeTab, setActiveTab] = useState(availableTabs[0]?.id);
 	const refs = useRef({});
@@ -59,7 +59,7 @@ export default function SeriesTabMenu({ tabs }) {
 
 	return (
 		<div id="diagrama-abas" className="scroll-mt-28">
-			<div role="tablist" aria-label="Placa e diagrama" className="no-scrollbar flex gap-2 overflow-x-auto pb-1">
+			<div role="tablist" aria-label={isEn ? "Board and diagram" : "Placa e diagrama"} className="no-scrollbar flex gap-2 overflow-x-auto pb-1">
 				{availableTabs.map((tab, indice) => (
 					<button
 						key={tab.id}