Add public market brief content assets

frontend/app/methodology/[slug]/page.tsx

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+import type { Metadata } from "next";
+import { notFound } from "next/navigation";
+import { MethodologyDetailPageView } from "@/components/public-content/PublicContentPages";
+import {
+  METHODOLOGY_PAGES,
+  absolutePublicUrl,
+  getMethodologyPage,
+  methodologyPath,
+} from "@/content/public-content";
+
+type MethodologyPageParams = {
+  slug: string;
+};
+
+export function generateStaticParams() {
+  return METHODOLOGY_PAGES.map((page) => ({ slug: page.slug }));
+}
+
+export async function generateMetadata({
+  params,
+}: {
+  params: Promise<MethodologyPageParams>;
+}): Promise<Metadata> {
+  const { slug } = await params;
+  const page = getMethodologyPage(slug);
+
+  if (!page) {
+    return {
+      title: "Methodology not found",
+    };
+  }
+
+  return {
+    title: page.title,
+    description: page.description,
+    alternates: {
+      canonical: methodologyPath(page),
+    },
+    openGraph: {
+      type: "article",
+      title: page.title,
+      description: page.description,
+      url: methodologyPath(page),
+      modifiedTime: page.updatedAt,
+    },
+  };
+}
+
+export default async function MethodologyDetailPage({
+  params,
+}: {
+  params: Promise<MethodologyPageParams>;
+}) {
+  const { slug } = await params;
+  const page = getMethodologyPage(slug);
+
+  if (!page) {
+    notFound();
+  }
+
+  const pathname = methodologyPath(page);
+  const jsonLd = {
+    "@context": "https://schema.org",
+    "@type": "TechArticle",
+    headline: page.title,
+    description: page.description,
+    dateModified: page.updatedAt,
+    mainEntityOfPage: absolutePublicUrl(pathname),
+    author: {
+      "@type": "Organization",
+      name: "PolyWeather",
+      url: "https://polyweather.top",
+    },
+  };
+
+  return (
+    <>
+      <script
+        type="application/ld+json"
+        dangerouslySetInnerHTML={{ __html: JSON.stringify(jsonLd) }}
+      />
+      <MethodologyDetailPageView page={page} />
+    </>
+  );
+}

frontend/app/methodology/page.tsx

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+import type { Metadata } from "next";
+import { MethodologyIndexPageView } from "@/components/public-content/PublicContentPages";
+
+export const metadata: Metadata = {
+  title: "Methodology",
+  description:
+    "PolyWeather public methodology for DEB forecast blending, settlement-source priority, freshness, and market weather analysis.",
+  alternates: {
+    canonical: "/methodology",
+  },
+  openGraph: {
+    title: "Methodology | PolyWeather",
+    description:
+      "Public methodology for DEB forecast blending, settlement-source priority, freshness, and market weather analysis.",
+    url: "/methodology",
+  },
+};
+
+export default function MethodologyPage() {
+  return <MethodologyIndexPageView />;
+}