bdf9cupe3: Add expert text search and category browse to the left column

src/app/api/experts/search/route.ts

@@ -0,0 +1,21 @@
+import { NextResponse } from "next/server";
+import { browseCategory, searchExperts } from "@/lib/experts-search";
+
+// GET /api/experts/search?q=<text>  or  ?category=<name>
+// Same-origin proxy for Minnect's PUBLIC expert list. EXPERTS ONLY: it never
+// calls a user-search endpoint. Public fields only. No session needed.
+// Upstream failure -> 502 { error: "experts_unavailable" }.
+
+export const runtime = "nodejs";
+
+export async function GET(req: Request) {
+  const url = new URL(req.url);
+  const q = (url.searchParams.get("q") ?? "").trim().slice(0, 80);
+  const category = (url.searchParams.get("category") ?? "").trim().slice(0, 80);
+  if (!q && !category) return NextResponse.json({ experts: [] });
+  const result = q ? await searchExperts(q) : await browseCategory(category);
+  if (!result.ok) {
+    return NextResponse.json({ error: result.error }, { status: result.status });
+  }
+  return NextResponse.json({ experts: result.experts });
+}