fix(career): generation-guard in-flight manifest fetches

Codex preflight: a manifest fetch resolving after a newer refresh (pack
deleted, venue switched) could re-apply a stale pack over the user's
newer selection — fetches now carry a generation token and bail when
superseded.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
byrongamatos 2026-07-12 01:54:02 +02:00
parent a2a48b3912
commit 0cc08ebebf

View File

@ -18,6 +18,7 @@
let _state = null;
let _pollTimer = 0;
let _appliedManifestVenue = null;
let _manifestReqGen = 0; // invalidates in-flight manifest fetches
let _prevUnlockedIds = null;
function $(id) { return document.getElementById(id); }
@ -40,6 +41,9 @@
async function pushCrowdManifest(state) {
const crowd = window.v3VenueCrowd;
if (!crowd || typeof crowd.setManifest !== 'function') return;
// Any newer invocation (delete, venue switch, fresher state) must win
// over a manifest fetch still in flight from this one.
const gen = ++_manifestReqGen;
const unlocked = state.venues.filter((v) => v.unlocked);
let venue = null;
try {
@ -57,8 +61,9 @@
if (venue.id === _appliedManifestVenue) return;
try {
const res = await fetch(`${API}/venues/${venue.id}/manifest.json`);
if (!res.ok) return;
if (gen !== _manifestReqGen || !res.ok) return;
const manifest = await res.json();
if (gen !== _manifestReqGen) return;
manifest.base = `${API}/venues/${venue.id}/`;
_appliedManifestVenue = venue.id;
crowd.setManifest(manifest);