feat(usage): track GPT-5.3-Codex-Spark quota windows

Extract Spark rate limit windows from the Codex usage response and expose
them as spark_session/spark_weekly quotas, reusing the existing prefix
mechanism. Map codex quota types to readable dashboard labels.

Fixes #3431

tests/unit/codex-spark-quota-tracking.test.js

@@ -0,0 +1,37 @@
+import { describe, it, expect } from "vitest";
+import { parseQuotaData } from "@/app/(dashboard)/dashboard/usage/components/ProviderLimits/utils.js";
+
+describe("Codex Spark Quota Tracking (#3431)", () => {
+  it("correctly normalizes spark_session and spark_weekly quotas with display labels", () => {
+    const mockCodexUsage = {
+      plan: "team",
+      quotas: {
+        session: { used: 20, total: 100, remaining: 80, resetAt: "2026-08-22T05:00:00.000Z" },
+        weekly: { used: 40, total: 100, remaining: 60, resetAt: "2026-08-28T05:00:00.000Z" },
+        review_session: { used: 0, total: 100, remaining: 100, resetAt: "2026-08-22T05:00:00.000Z" },
+        spark_session: { used: 12, total: 100, remaining: 88, resetAt: "2026-08-22T05:00:00.000Z" },
+        spark_weekly: { used: 25, total: 100, remaining: 75, resetAt: "2026-08-28T05:00:00.000Z" },
+      },
+    };
+
+    const parsed = parseQuotaData("codex", mockCodexUsage);
+
+    const sparkSession = parsed.find((q) => q.name === "Spark (5h)");
+    const sparkWeekly = parsed.find((q) => q.name === "Spark (Weekly)");
+    const session = parsed.find((q) => q.name === "5h");
+    const weekly = parsed.find((q) => q.name === "Weekly");
+
+    expect(sparkSession).toBeDefined();
+    expect(sparkSession.used).toBe(12);
+    expect(sparkSession.remaining).toBe(88);
+
+    expect(sparkWeekly).toBeDefined();
+    expect(sparkWeekly.used).toBe(25);
+    expect(sparkWeekly.remaining).toBe(75);
+
+    expect(session).toBeDefined();
+    expect(session.used).toBe(20);
+    expect(weekly).toBeDefined();
+    expect(weekly.used).toBe(40);
+  });
+});