mirror of
https://github.com/heygen-com/hyperframes.git
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R5 blockers
- Negative install-state latch was cached for the process lifetime, but
only `true` is monotonic across processes. A long-lived preview server
held a stale `false` and could re-enrol after another process tripped
the breaker. Only the positive is cached now; `false` re-reads.
- The real breaker writer used writeConfig(), which collapses
{ok:true, mirrored:false} to success, so a run that mirrored nothing
reported done with the latch only on the erasable store. It consumes
writeConfigWithResult and retries until both stores carry it.
Bucketing integrity
- Storage-restricted Studio profiles all bucketed on the literal
"anonymous": computed against the shipped hash, 100% of them were
enrolled in calibration-50 rather than 50%, and they merged into one
PostHog person. Per-session random id instead — persists nothing.
- bucketSeed had read/write authority backwards: install-state is
write-once authoritative, but readConfig took config.json's blindly, so
the stores could hold different seeds until a re-mint flipped every
cohort. Merged on read, like the latch.
- An unwritable ~/.hyperframes with no config.json re-minted per call,
re-rolling the seed on every command, and the "cohorts will not be
stable" warning was unreachable on that path.
- A corrupt PRE-MOVE state file was never deleted, so a machine reset
with `rm -rf ~/.hyperframes` reported predecessorFound/stateFileCorrupt
forever — poisoning the exact metric this work exists to produce.
Opt-out honoring
- CLI canary decisions memoized per process, so `hyperframes telemetry
disable` during a running preview server was ignored for hours while
the server kept serving pre-opt-out decisions. The memo is keyed on the
telemetry posture.
- shouldTrack() memoized, contradicting policy.ts's documented "not
memoized" contract that policy.test.ts asserts.
- The Studio override path resolved the bucket unit eagerly as an
argument, minting and PERSISTING a tracking id for an opted-out profile
— a value evaluateCanary discards unread.
- Storage reads could throw out of telemetry into a post-commit catch
block, reporting an already-committed edit as failed.
- readConfig printed an unsilenceable stderr warning on every invocation
for installs that opted out of telemetry entirely.
Host split
- isLoopbackHost rejected 0.0.0.0, so the documented
HYPERFRAMES_PREVIEW_HOST LAN mode silently lost CLI→Studio identity
stitching and split one user across two PostHog persons. Identity is
now allowed when the operator explicitly opted into LAN binding.
- Corrected the comment claiming the guard refuses spoofed Hosts: a
non-browser client sets Host freely. It is a browser DNS-rebinding
mitigation, not access control, and now says so.
Semantics and test hygiene
- percentage:100 did not mean everyone — exclude and no_unit_id sat above
the fast path, so the registry's "delete the entry at 100" step was an
unstaged flip for CI and seedless installs.
- CLI cohort adoption returned before evaluateCanary, dropping Studio's
own webdriver exclusion.
- overdueCanaries() was asserted against wall-clock time, so the whole
core suite would go red on 2026-09-15 for every unrelated PR; and `>`
against midnight made a canary overdue ON its sunset date.
- Statistical assertions ran on unseeded randomUUID() populations tight
enough to fail ~1 run in 200. Seeded.
Also: broke a config -> policy -> transport -> config import cycle by
moving POSTHOG_API_KEY to a leaf module.
Tests: 2347 CLI (bundle absent), 3153 Studio, 1450 core. Fault injection
covers the latch, seed authority, LAN identity, webdriver exclusion and
the anonymous-bucket fix. Two pre-existing tests asserted behaviour these
findings identify as wrong (shouldTrack memoization, 100%-excludes-CI)
and were rewritten with the reasoning stated.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
71 lines
2.4 KiB
TypeScript
71 lines
2.4 KiB
TypeScript
// ---------------------------------------------------------------------------
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// LocalStorage-backed config for studio telemetry.
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// Anonymous ID + opt-out flag are stored per-browser-profile.
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// Users opt out via DevTools:
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// localStorage.setItem('hyperframes-studio:telemetryDisabled','1')
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// ---------------------------------------------------------------------------
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import { resolveStudioDistinctId } from "./distinctId";
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import { safeLocalStorage, safeSessionStorage } from "../utils/safeStorage";
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const OPT_OUT_KEY = "hyperframes-studio:telemetryDisabled";
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const NOTICE_KEY = "hyperframes-studio:telemetryNoticeShown";
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/**
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* Anonymous telemetry id for `studio_*` and render events.
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*
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* Delegates to the single source of truth in `distinctId.ts` so this id is
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* identical to the one used for `studio:*` events (utils/studioTelemetry.ts)
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* and, when the CLI launched Studio, to the CLI's own `config.anonymousId`.
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*/
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export function getAnonymousId(): string {
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return resolveStudioDistinctId();
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}
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// safeLocalStorage() guards the REFERENCE, not the access: in a partitioned
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// or sandboxed context the object resolves and `getItem` still throws (the
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// case distinctId.ts already documents). These are read from the telemetry
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// policy, which is called from event tracking that must never throw into a
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// caller — `trackStudioEvent` sits in a post-commit catch block, so a throw
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// there reported an already-committed edit as failed.
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function readStoredFlag(key: string): boolean {
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try {
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return safeLocalStorage()?.getItem(key) === "1";
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} catch {
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return false;
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}
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}
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export function isOptedOut(): boolean {
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return readStoredFlag(OPT_OUT_KEY);
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}
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export function hasShownNotice(): boolean {
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return readStoredFlag(NOTICE_KEY);
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}
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export function markNoticeShown(): void {
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try {
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safeLocalStorage()?.setItem(NOTICE_KEY, "1");
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} catch {
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/* ignore */
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}
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}
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// Session-scoped (cleared when the tab closes) so HMR remounts and
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// route-level remounts within one tab don't refire `studio_session_start`.
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// Uses sessionStorage directly because the dedupe is per-tab, not per-browser.
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const SESSION_FIRED_KEY = "hyperframes-studio:sessionStartFired";
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export function hasFiredSessionStart(): boolean {
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return safeSessionStorage()?.getItem(SESSION_FIRED_KEY) === "1";
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}
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export function markSessionStartFired(): void {
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try {
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safeSessionStorage()?.setItem(SESSION_FIRED_KEY, "1");
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} catch {
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/* ignore */
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}
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}
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