feat(telemetry): implement glitchtip/sentry integration with smart proxy

- Added Sentry/GlitchTip relay route handler
- Configured Sentry for client (with tunnel), server, and edge runtimes
- Refactored GlitchTip adapter to use official @sentry/nextjs SDK
- Fixed ComparisonRow type issues and Analytics Suspense bailout
- Integrated Sentry instrumentation into the boot sequence

apps/web/app/errors/api/relay/route.ts

@@ -0,0 +1,55 @@
+import { NextRequest, NextResponse } from "next/server";
+import { env } from "@/lib/env";
+
+/**
+ * Smart Proxy / Relay for Sentry/GlitchTip events.
+ *
+ * Mirroring the klz-2026 pattern:
+ * Receives Sentry envelopes from the client, injects the correct DSN,
+ * and forwards them to GlitchTip.
+ */
+export async function POST(request: NextRequest) {
+  try {
+    const envelope = await request.text();
+
+    const realDsn = env.SENTRY_DSN;
+
+    if (!realDsn) {
+      console.warn(
+        "[Sentry Relay] Received payload but no SENTRY_DSN configured",
+      );
+      return NextResponse.json({ status: "ignored" }, { status: 200 });
+    }
+
+    const dsnUrl = new URL(realDsn);
+    const projectId = dsnUrl.pathname.replace("/", "");
+    const relayUrl = `${dsnUrl.protocol}//${dsnUrl.host}/api/${projectId}/envelope/`;
+
+    const response = await fetch(relayUrl, {
+      method: "POST",
+      body: envelope,
+      headers: {
+        "Content-Type": "application/x-sentry-envelope",
+      },
+    });
+
+    if (!response.ok) {
+      const errorText = await response.text();
+      console.error("[Sentry Relay] GlitchTip API responded with error", {
+        status: response.status,
+        error: errorText.slice(0, 100),
+      });
+      return new NextResponse(errorText, { status: response.status });
+    }
+
+    return NextResponse.json({ status: "ok" });
+  } catch (error) {
+    console.error("[Sentry Relay] Failed to relay Sentry request", {
+      error: (error as Error).message,
+    });
+    return NextResponse.json(
+      { error: "Internal Server Error" },
+      { status: 500 },
+    );
+  }
+}