fix(studio): guard import.meta.env for non-Vite bundlers

packages/studio/src/telemetry/client.test.ts

@@ -2,20 +2,11 @@
 
 import { describe, expect, it, vi, beforeEach } from "vitest";
 
-// `shouldTrack()` reads `POSTHOG_API_KEY` from module-level const that's
-// evaluated at module load time, so changing `import.meta.env` after import
-// has no effect on the key. Each test resets module cache and re-imports.
+// `shouldTrack()` reads module-level constants evaluated at module load time,
+// so changing env after import has no effect. Each test resets module cache.
 
 const OPT_OUT_KEY = "hyperframes-studio:telemetryDisabled";
 
-function setKey(value: string | undefined): void {
-  if (value === undefined) {
-    delete (import.meta.env as Record<string, unknown>).VITE_HYPERFRAMES_POSTHOG_KEY;
-  } else {
-    (import.meta.env as Record<string, unknown>).VITE_HYPERFRAMES_POSTHOG_KEY = value;
-  }
-}
-
 function setNoTelemetry(value: string | undefined): void {
   if (value === undefined) {
     delete (import.meta.env as Record<string, unknown>).VITE_HYPERFRAMES_NO_TELEMETRY;
@@ -37,29 +28,16 @@ async function loadShouldTrack(): Promise<() => boolean> {
 describe("studio client shouldTrack", () => {
   beforeEach(() => {
     setDev(false);
-    setKey("phc_test_key");
     setNoTelemetry(undefined);
     localStorage.clear();
     vi.unstubAllGlobals();
   });
 
-  it("returns true when key is configured, not in dev mode, and no opt-outs", async () => {
+  it("returns true when not in dev mode and no opt-outs", async () => {
     const shouldTrack = await loadShouldTrack();
     expect(shouldTrack()).toBe(true);
   });
 
-  it("returns false when API key does not start with phc_", async () => {
-    setKey("not_a_real_key");
-    const shouldTrack = await loadShouldTrack();
-    expect(shouldTrack()).toBe(false);
-  });
-
-  it("returns false when API key is empty string", async () => {
-    setKey("");
-    const shouldTrack = await loadShouldTrack();
-    expect(shouldTrack()).toBe(false);
-  });
-
   it("returns false when user has opted out via localStorage", async () => {
     localStorage.setItem(OPT_OUT_KEY, "1");
     const shouldTrack = await loadShouldTrack();
@@ -93,7 +71,6 @@ describe("studio client shouldTrack", () => {
   it("memoizes its decision after the first call", async () => {
     const shouldTrack = await loadShouldTrack();
     const first = shouldTrack();
-    // Flip an underlying input — memoized return must not change.
     localStorage.setItem(OPT_OUT_KEY, "1");
     expect(shouldTrack()).toBe(first);
   });

packages/studio/src/telemetry/client.ts

@@ -7,15 +7,9 @@
 import { getAnonymousId, hasShownNotice, isOptedOut, markNoticeShown } from "./config";
 import { getBrowserSystemMeta } from "./system";
 
-// HeyGen's PostHog project key — write-only, safe to embed in client code.
-// OSS builds can override via `VITE_HYPERFRAMES_POSTHOG_KEY` at build time,
-// or set it to an empty string to disable telemetry entirely.
-const POSTHOG_API_KEY =
-  (import.meta.env.VITE_HYPERFRAMES_POSTHOG_KEY as string | undefined) ??
-  "phc_zjjbX0PnWxERXrMHhkEJWj9A9BhGVLRReICgsfTMmpx";
-const POSTHOG_HOST =
-  (import.meta.env.VITE_HYPERFRAMES_POSTHOG_HOST as string | undefined) ??
-  "https://us.i.posthog.com";
+// Write-only PostHog project key, safe to embed in client code.
+const POSTHOG_API_KEY = "phc_zjjbX0PnWxERXrMHhkEJWj9A9BhGVLRReICgsfTMmpx";
+const POSTHOG_HOST = "https://us.i.posthog.com";
 const FLUSH_INTERVAL_MS = 1_000;
 
 type EventProperties = Record<string, string | number | boolean | undefined>;
@@ -41,15 +35,24 @@ function isApiKeyConfigured(): boolean {
 // VITE_HYPERFRAMES_NO_TELEMETRY mirrors the CLI's HYPERFRAMES_NO_TELEMETRY=1
 // opt-out so HeyGen's own dev/CI builds can suppress telemetry from the studio
 // bundle the same way. Vite injects it at build time. Accepts "1" or "true".
+// `import.meta.env` may be undefined in non-Vite bundlers (Next.js Turbopack).
 function isBuildTimeOptOut(): boolean {
-  const v = import.meta.env.VITE_HYPERFRAMES_NO_TELEMETRY as string | undefined;
-  return v === "1" || v === "true";
+  try {
+    const v = import.meta.env.VITE_HYPERFRAMES_NO_TELEMETRY as string | undefined;
+    return v === "1" || v === "true";
+  } catch {
+    return false;
+  }
 }
 
 // `import.meta.env.DEV` is true under `vite dev` / `vite preview`. Auto-suppress
 // so developers running `hyperframes preview` don't pollute production telemetry.
 function isViteDevMode(): boolean {
-  return import.meta.env.DEV === true;
+  try {
+    return import.meta.env.DEV === true;
+  } catch {
+    return false;
+  }
 }
 
 export function shouldTrack(): boolean {