value: JsonValue | undefined,

nowMs = Date.now(),

): string | undefined {

const snapshots = collectCodexRateLimitSnapshots(value);

const snapshots = collectCodexRateLimitSnapshots(value).filter(snapshotHasDisplayableData);

if (snapshots.length === 0) {

return undefined;

}

return snapshots

const summaries = snapshots

.slice(0, 4)

.map((snapshot) => summarizeRateLimitSnapshot(snapshot, nowMs))

.join("; ");

.filter((summary): summary is string => summary !== undefined);

return summaries.length > 0 ? summaries.join("; ") : undefined;

}

export function hasCodexRateLimitSnapshots(value: JsonValue | undefined): boolean {

return collectCodexRateLimitSnapshots(value).length > 0;

}

export function summarizeCodexAccountRateLimits(

value: JsonValue | undefined,

nowMs = Date.now(),

): CodexAccountUsageSummary | undefined {

const snapshots = collectCodexRateLimitSnapshots(value);

const snapshots = collectCodexRateLimitSnapshots(value).filter(snapshotHasDisplayableData);

if (snapshots.length === 0) {

return undefined;

}

return blockingSnapshot ? selectSnapshotBlockingReset(blockingSnapshot, nowMs) : undefined;

}

function summarizeRateLimitSnapshot(snapshot: JsonObject, nowMs: number): string {

function summarizeRateLimitSnapshot(snapshot: JsonObject, nowMs: number): string | undefined {

const label = formatLimitLabel(snapshot);

const windows = LIMIT_WINDOW_KEYS.flatMap((key) => {

const window = readRateLimitWindow(snapshot, key);

const reachedType =

readString(snapshot, "rateLimitReachedType") ?? readString(snapshot, "rate_limit_reached_type");

const suffix = reachedType ? ` (${formatReachedType(reachedType)})` : "";

return `${label}: ${windows.join(" · ") || "available"}${suffix}`;

if (windows.length > 0) {

return `${label}: ${windows.join(" · ")}${suffix}`;

}

if (reachedType) {

return `${label}: ${formatReachedType(reachedType)}`;

}

return undefined;

}

function collectCodexRateLimitSnapshots(value: JsonValue | undefined): JsonObject[] {

};

}

function snapshotHasDisplayableData(snapshot: JsonObject): boolean {

if (

readString(snapshot, "rateLimitReachedType") ??

readString(snapshot, "rate_limit_reached_type")

) {

return true;

}

return readWindowEntries(snapshot).some(

(entry) => entry.window.usedPercent !== undefined || entry.window.resetsAtMs > 0,

);

}

function readOptionalNumberField(

record: JsonObject,

...keys: string[]