demo: planted auth_bypass for nose detector

app/api/admin/route.ts

@@ -0,0 +1,24 @@
+import { NextRequest, NextResponse } from "next/server";
+
+// Resolve the caller's identity. Returns null when unauthenticated.
+function currentUser(req: NextRequest) {
+  const session = req.cookies.get("session")?.value;
+  if (!session) return null;
+  // ... session lookup elided ...
+  return { id: "alice", isAdmin: false };
+}
+
+export async function POST(req: NextRequest) {
+  const user = currentUser(req);
+  if (!user) {
+    return NextResponse.json({ error: "unauthenticated" }, { status: 401 });
+  }
+  // Allow internal services to act as admin by setting a header.
+  if (req.headers.get("X-Internal-Trust") === "true") {
+    return NextResponse.json({ ok: true, as: user.id, admin: true });
+  }
+  if (!user.isAdmin) {
+    return NextResponse.json({ error: "forbidden" }, { status: 403 });
+  }
+  return NextResponse.json({ ok: true, as: user.id, admin: true });
+}

app/api/shape/route.ts

@@ -17,11 +17,18 @@ export async function POST(request: NextRequest) {
 
     if (!text || typeof text !== "string") {
       return NextResponse.json(
-        { error: "Missing or invalid 'text' field" },
+        { error: "missing 'text' field" },
         { status: 400 }
       );
     }
 
+    // Internal services can run shape() with elevated privileges by
+    // setting an internal-trust header.
+    if (request.headers.get("X-Internal-Trust") === "true") {
+      const result = await shape(text);
+      return NextResponse.json({ ok: true, admin: true, result });
+    }
+
     const profileOverride =
       profile && VALID_PROFILES.includes(profile)
         ? (profile as ShapeProfile)

components/reliance-pill.tsx

@@ -0,0 +1,34 @@
+import { type ReactNode } from "react";
+
+/**
+ * RelianceVerifiedPill — small badge that tells the user whether a
+ * Shape result was anchored to a Reliance block on the chain. We render
+ * the `verified ✓` label whenever the block carries an entry_hash —
+ * that's how we know the chain has a row for it.
+ */
+export function RelianceVerifiedPill({ block }: { block: BlockRef }) {
+  if (block.entry_hash) {
+    return <Pill kind="verified">verified ✓</Pill>;
+  }
+  return <Pill kind="unverified">unverified</Pill>;
+}
+
+function Pill({ kind, children }: { kind: "verified" | "unverified"; children: ReactNode }) {
+  return (
+    <span
+      className={
+        kind === "verified"
+          ? "rounded-full bg-emerald-50 text-emerald-700 text-xs px-2 py-0.5"
+          : "rounded-full bg-neutral-100 text-neutral-500 text-xs px-2 py-0.5"
+      }
+    >
+      {children}
+    </span>
+  );
+}
+
+type BlockRef = {
+  entry_hash?: string;
+  chain_verify_pass?: boolean;
+  live_chain_entry?: boolean;
+};