feat(web): add telemetry dashboard page with nginx proxy and nav integration

apps/web/nginx.conf

@@ -21,6 +21,23 @@ server {
     proxy_set_header X-Forwarded-Proto $scheme;
   }
 
+  # Proxy telemetry dashboard to orange VPS (via Tailscale)
+  location /telemetry/ {
+    proxy_pass http://100.96.248.86:8181/;
+    proxy_http_version 1.1;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    proxy_connect_timeout 5s;
+    proxy_send_timeout 35s;
+    proxy_read_timeout 35s;
+    proxy_buffering on;
+    proxy_buffer_size 4k;
+    proxy_buffers 8 4k;
+    proxy_busy_buffers_size 8k;
+  }
+
   location / {
     try_files $uri $uri/ /index.html;
   }

apps/web/src/app.tsx

@@ -14,6 +14,7 @@ import { DiseaseDetailPage } from "@/pages/disease-detail-page";
 import { DiagnosisDetailPage } from "@/pages/diagnosis-detail-page";
 import { ExpertReviewsPage } from "@/pages/expert-reviews-page";
 import { DiagnosesPage } from "@/pages/diagnoses-page";
+import { TelemetryPage } from "@/pages/telemetry-page";
 import { MainLayout } from "@/components/layout/main-layout";
 import { trackPageView } from "./lib/telemetry";
 
@@ -85,6 +86,14 @@ const router = createBrowserRouter([
       </MainLayout>
     ),
   },
+  {
+    path: "/telemetry",
+    element: (
+      <MainLayout>
+        <TelemetryPage />
+      </MainLayout>
+    ),
+  },
 ]);
 
 function PageViewTracker() {

apps/web/src/components/layout/mobile-nav.tsx

@@ -13,6 +13,7 @@ const NAV_ITEMS = [
   { path: "/diagnoses", label: "Diagnosa" },
   { path: "/catalog", label: "Pustaka", altPath: "/library" },
   { path: "/expert/reviews", label: "Review" },
+  { path: "/telemetry", label: "Telemetry" },
 ];
 
 export function MobileNav({ open, onClose }: Props) {

apps/web/src/components/layout/navbar.tsx

@@ -65,6 +65,12 @@ export function Navbar() {
           >
             Review
           </Link>
+          <Link
+            to="/telemetry"
+            className={navLinkClassName(isActive("/telemetry"))}
+          >
+            Telemetry
+          </Link>
         </nav>
 
         <button

apps/web/src/pages/telemetry-page.tsx

@@ -0,0 +1,127 @@
+import { useMemo, useState } from "react";
+import { Card, CardContent } from "@/components/ui/card";
+import { BarChart3, ExternalLink } from "lucide-react";
+
+const TELEMETRY_BASE = "/telemetry";
+
+const EMBED_PAGES = [
+  { id: "dashboard", label: "Dashboard", path: "" },
+  { id: "explorer", label: "Explorer", path: "/explorer" },
+  { id: "targets", label: "Targets", path: "/targets" },
+  { id: "tenants", label: "Tenants", path: "/tenants" },
+];
+
+export function TelemetryPage() {
+  const [currentPage, setCurrentPage] = useState(EMBED_PAGES[0]);
+  const [iframeLoaded, setIframeLoaded] = useState(false);
+  const [iframeError, setIframeError] = useState(false);
+
+  const embedUrl = useMemo(() => {
+    const base = `${TELEMETRY_BASE}${currentPage.path}`;
+    return base;
+  }, [currentPage]);
+
+  const handleIframeLoad = () => {
+    setIframeLoaded(true);
+    setIframeError(false);
+  };
+
+  const handleIframeError = () => {
+    setIframeLoaded(false);
+    setIframeError(true);
+  };
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex flex-col md:flex-row items-start md:items-center justify-between gap-4">
+        <div>
+          <h1 className="text-2xl md:text-[28px] font-extrabold text-[#214B11] flex items-center gap-3">
+            <BarChart3 className="h-7 w-7 text-[#48A111]" />
+            Telemetry Dashboard
+          </h1>
+          <p className="text-[15px] text-muted-foreground mt-1">
+            System metrics, service health, and performance monitoring from the
+            telemetry pipeline (Prometheus → ClickHouse).
+          </p>
+        </div>
+        <a
+          href={embedUrl}
+          target="_blank"
+          rel="noopener noreferrer"
+          className="inline-flex items-center gap-2 rounded-full bg-[#48A111] px-4 py-2 text-sm font-semibold text-white hover:bg-[#306D29] transition-colors"
+        >
+          <ExternalLink className="h-4 w-4" />
+          Open in New Tab
+        </a>
+      </div>
+
+      {/* Navigation tabs */}
+      <div className="flex flex-wrap gap-2">
+        {EMBED_PAGES.map((page) => (
+          <button
+            key={page.id}
+            onClick={() => {
+              setCurrentPage(page);
+              setIframeLoaded(false);
+              setIframeError(false);
+            }}
+            className={`rounded-full px-4 py-2 text-sm font-medium transition-colors ${
+              currentPage.id === page.id
+                ? "bg-[#48A111] text-white shadow-sm"
+                : "bg-white text-slate-600 hover:bg-slate-100 border border-slate-200"
+            }`}
+          >
+            {page.label}
+          </button>
+        ))}
+      </div>
+
+      {/* Iframe container */}
+      <Card className="overflow-hidden rounded-2xl border-slate-200 shadow-sm">
+        <CardContent className="p-0 relative">
+          {/* Loading indicator */}
+          {!iframeLoaded && !iframeError && (
+            <div className="flex items-center justify-center h-[600px] bg-slate-50">
+              <div className="text-center space-y-3">
+                <div className="inline-block h-8 w-8 animate-spin rounded-full border-4 border-solid border-[#48A111] border-r-transparent" />
+                <p className="text-sm text-muted-foreground">
+                  Loading telemetry dashboard...
+                </p>
+              </div>
+            </div>
+          )}
+
+          {/* Error state */}
+          {iframeError && (
+            <div className="flex items-center justify-center h-[600px] bg-slate-50">
+              <div className="text-center space-y-3 max-w-md px-4">
+                <div className="text-4xl">⚠️</div>
+                <p className="text-sm font-semibold text-red-600">
+                  Failed to load telemetry dashboard
+                </p>
+                <p className="text-sm text-muted-foreground">
+                  The telemetry backend on orange VPS may be unreachable.
+                  Ensure Tailscale is connected and the telemetry stack is
+                  running.
+                </p>
+              </div>
+            </div>
+          )}
+
+          {/* Iframe */}
+          <iframe
+            src={embedUrl}
+            title="Telemetry Dashboard"
+            className={`w-full border-0 ${iframeLoaded ? "block" : "hidden"}`}
+            style={{ height: "calc(100vh - 280px)", minHeight: "600px" }}
+            onLoad={handleIframeLoad}
+            onError={handleIframeError}
+            allow="same-origin"
+            sandbox="allow-scripts allow-same-origin allow-forms allow-popups"
+          />
+        </CardContent>
+      </Card>
+    </div>
+  );
+}