feat(platform): add Discord onboarding and Velocity gate

packages/network/src/index.ts

@@ -0,0 +1,30 @@
+import { isIP } from "node:net";
+
+export type IpClassification = "unknown" | "clear" | "vpn" | "proxy" | "hosting" | "tor";
+
+export interface IpIntelligenceResult {
+  classification: IpClassification;
+  provider: string | null;
+  rawResponse?: Record<string, unknown>;
+}
+
+export interface IpIntelligenceProvider {
+  classify(ipAddress: string): Promise<IpIntelligenceResult>;
+}
+
+export class NoopIpIntelligenceProvider implements IpIntelligenceProvider {
+  async classify(_ipAddress: string): Promise<IpIntelligenceResult> {
+    return { classification: "unknown", provider: null };
+  }
+}
+
+export function getClientIp(headers: Headers, trustProxy: boolean) {
+  if (!trustProxy) return null;
+
+  const candidate =
+    headers.get("x-forwarded-for")?.split(",")[0]?.trim() ||
+    headers.get("x-real-ip")?.trim() ||
+    null;
+
+  return candidate && isIP(candidate) ? candidate : null;
+}