Simplify Onboarding Experience

app/api/sample-results/route.ts

@@ -0,0 +1,39 @@
+import { NextResponse } from "next/server";
+
+const SAMPLE_RESULTS_URL = "https://monadic-dna-explorer.nyc3.cdn.digitaloceanspaces.com/monadic_dna_explorer_results_2026-05-19.tsv";
+
+export async function GET() {
+  try {
+    const upstream = await fetch(SAMPLE_RESULTS_URL, {
+      method: "GET",
+      cache: "no-store",
+    });
+
+    if (!upstream.ok) {
+      return NextResponse.json(
+        { error: `Sample results upstream failed with status ${upstream.status}` },
+        { status: 502 }
+      );
+    }
+
+    const data = await upstream.arrayBuffer();
+    const contentType = upstream.headers.get("content-type") || "text/tab-separated-values; charset=utf-8";
+    const contentLength = upstream.headers.get("content-length") || String(data.byteLength);
+
+    return new NextResponse(data, {
+      status: 200,
+      headers: {
+        "Content-Type": contentType,
+        "Content-Length": contentLength,
+        "Content-Disposition": "inline; filename=\"monadic_dna_explorer_results_2026-05-19.tsv\"",
+        "Cache-Control": "no-store",
+      },
+    });
+  } catch (error) {
+    console.error("[sample-results] Failed to fetch sample results:", error);
+    return NextResponse.json(
+      { error: error instanceof Error ? error.message : "Failed to fetch sample results" },
+      { status: 500 }
+    );
+  }
+}

app/components/ConversionOnboarding.tsx

@@ -1,3 +1,4 @@
+// MOTHBALLED 2026-05-19: The conversion onboarding flow is preserved for reference, but active entry points now use the lightweight new-user choice modal.
 "use client";
 
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";

app/components/Footer.tsx

@@ -69,6 +69,25 @@ export default function Footer() {
             </a>
             . All rights reserved.
           </p>
+          <p className="footer-legal-links">
+            <a
+              href="https://github.com/Monadic-DNA/Explorer/blob/main/terms_and_conditions.md"
+              target="_blank"
+              rel="noopener noreferrer"
+              className="footer-link"
+            >
+              Terms and Conditions
+            </a>
+            {" · "}
+            <a
+              href="https://github.com/Monadic-DNA/Explorer/blob/main/privacy_policy.md"
+              target="_blank"
+              rel="noopener noreferrer"
+              className="footer-link"
+            >
+              Privacy Policy
+            </a>
+          </p>
         </div>
 
         <div className="footer-section">