diff --git a/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/index.tsx b/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/index.tsx
index 47f84744da..23b1b48be8 100644
--- a/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/index.tsx
+++ b/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/index.tsx
@@ -12,7 +12,6 @@ import {
   calculatePercentage,
   matchesProviderFilter,
   buildProviderOptions,
-  getQuotaVisibilityKey,
 } from "./utils";
 import Card from "@/shared/components/Card";
 import { CardSkeleton } from "@/shared/components/Loading";
@@ -20,6 +19,8 @@ import { USAGE_SUPPORTED_PROVIDERS } from "@/shared/constants/providers";
 import { pickDisplayValue } from "@/shared/utils/maskEmail";
 import useEmailPrivacyStore from "@/store/emailPrivacyStore";
 import { useNotificationStore } from "@/store/notificationStore";
+
+import { useQuotaVisibility } from "./useQuotaVisibility";
 import QuotaCutoffModal from "./QuotaCutoffModal";
 import QuotaCardGrid from "./QuotaCardGrid";
 import { useVisibleQuotaData } from "./useVisibleQuotaData";
@@ -200,12 +201,7 @@ export default function ProviderLimits({
   const [refreshingAll, setRefreshingAll] = useState(false);
   const [initialLoading, setInitialLoading] = useState(true);
   const [tierFilter, setTierFilter] = useState("all");
-  // Per-operator quota row visibility (upstream 9router#2371 port). Keyed by
-  // provider id → { hidden: [<quota visibility key>] }, persisted server-side
-  // via PATCH /api/settings so it survives refresh/reload.
-  const [quotaVisibility, setQuotaVisibility] = useState<Record<string, { hidden?: string[] }>>(
-    {}
-  );
+  const { quotaVisibility, handleHideQuota, handleShowQuota } = useQuotaVisibility(tr, notify);
   const resetCreditRedemption = useCodexResetCreditRedemption(
     tr,
     setErrors,
@@ -328,76 +324,6 @@ export default function ProviderLimits({
     [notify, tr]
   );
 
-  // Load persisted per-operator quota row visibility once on mount. Best
-  // effort — a fetch failure just leaves every row visible (safe default).
-  useEffect(() => {
-    let alive = true;
-    fetch("/api/settings", { cache: "no-store" })
-      .then((r) => (r.ok ? r.json() : {}))
-      .then((s) => {
-        if (alive) setQuotaVisibility(s?.quotaVisibility || {});
-      })
-      .catch(() => {});
-    return () => {
-      alive = false;
-    };
-  }, []);
-
-  const persistQuotaVisibility = useCallback(
-    async (
-      next: Record<string, { hidden?: string[] }>,
-      previous: Record<string, { hidden?: string[] }>
-    ) => {
-      setQuotaVisibility(next);
-      try {
-        const response = await fetch("/api/settings", {
-          method: "PATCH",
-          headers: { "Content-Type": "application/json" },
-          body: JSON.stringify({ quotaVisibility: next }),
-        });
-        if (!response.ok) throw new Error("Failed to update quota visibility");
-      } catch {
-        setQuotaVisibility(previous);
-        notify.error(tr("quotaVisibilityUpdateFailed", "Failed to update quota visibility"));
-      }
-    },
-    [notify, tr]
-  );
-
-  const handleHideQuota = useCallback(
-    (provider: string, quotaRow: any) => {
-      const key = getQuotaVisibilityKey(quotaRow);
-      if (!provider || !key) return;
-      const previous = quotaVisibility;
-      const providerVisibility = previous[provider] || {};
-      const hidden = new Set(providerVisibility.hidden || []);
-      hidden.add(key);
-      const next = {
-        ...previous,
-        [provider]: { ...providerVisibility, hidden: [...hidden] },
-      };
-      persistQuotaVisibility(next, previous);
-    },
-    [quotaVisibility, persistQuotaVisibility]
-  );
-
-  const handleShowQuota = useCallback(
-    (provider: string, quotaRow: any) => {
-      const key = getQuotaVisibilityKey(quotaRow);
-      if (!provider || !key) return;
-      const previous = quotaVisibility;
-      const providerVisibility = previous[provider] || {};
-      const hidden = new Set(providerVisibility.hidden || []);
-      hidden.delete(key);
-      const next = {
-        ...previous,
-        [provider]: { ...providerVisibility, hidden: [...hidden] },
-      };
-      persistQuotaVisibility(next, previous);
-    },
-    [quotaVisibility, persistQuotaVisibility]
-  );
-
   const applyCachedQuotaState = useCallback(
     (connectionList: any[], caches: Record<string, any>) => {
       const nextQuotaData: Record<string, any> = {};
diff --git a/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/useQuotaVisibility.ts b/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/useQuotaVisibility.ts
new file mode 100644
index 0000000000..d81ca635c9
--- /dev/null
+++ b/src/app/(dashboard)/dashboard/usage/components/ProviderLimits/useQuotaVisibility.ts
@@ -0,0 +1,88 @@
+"use client";
+
+import { useCallback, useEffect, useState } from "react";
+
+import { getQuotaVisibilityKey } from "./utils";
+
+type QuotaVisibilityMap = Record<string, { hidden?: string[] }>;
+
+type Translate = (key: string, fallback: string) => string;
+
+interface NotifyLike {
+  error: (message: string) => void;
+}
+
+/**
+ * Per-operator quota row visibility (upstream 9router#2371 port). Keyed by
+ * provider id → { hidden: [<quota visibility key>] }, persisted server-side
+ * via PATCH /api/settings so it survives refresh/reload.
+ *
+ * Extracted from ProviderLimits/index.tsx to keep the container under the
+ * frozen file-size budget — same pattern as useCodexResetCreditRedemption.
+ */
+export function useQuotaVisibility(tr: Translate, notify: NotifyLike) {
+  const [quotaVisibility, setQuotaVisibility] = useState<QuotaVisibilityMap>({});
+
+  // Load persisted per-operator quota row visibility once on mount. Best
+  // effort — a fetch failure just leaves every row visible (safe default).
+  useEffect(() => {
+    let alive = true;
+    fetch("/api/settings", { cache: "no-store" })
+      .then((r) => (r.ok ? r.json() : {}))
+      .then((s) => {
+        if (alive) setQuotaVisibility(s?.quotaVisibility || {});
+      })
+      .catch(() => {});
+    return () => {
+      alive = false;
+    };
+  }, []);
+
+  const persistQuotaVisibility = useCallback(
+    async (next: QuotaVisibilityMap, previous: QuotaVisibilityMap) => {
+      setQuotaVisibility(next);
+      try {
+        const response = await fetch("/api/settings", {
+          method: "PATCH",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify({ quotaVisibility: next }),
+        });
+        if (!response.ok) throw new Error("Failed to update quota visibility");
+      } catch {
+        setQuotaVisibility(previous);
+        notify.error(tr("quotaVisibilityUpdateFailed", "Failed to update quota visibility"));
+      }
+    },
+    [notify, tr]
+  );
+
+  const toggleQuotaKey = useCallback(
+    (provider: string, quotaRow: any, hide: boolean) => {
+      const key = getQuotaVisibilityKey(quotaRow);
+      if (!provider || !key) return;
+      const previous = quotaVisibility;
+      const providerVisibility = previous[provider] || {};
+      const hidden = new Set(providerVisibility.hidden || []);
+      if (hide) hidden.add(key);
+      else hidden.delete(key);
+      const next = {
+        ...previous,
+        [provider]: { ...providerVisibility, hidden: [...hidden] },
+      };
+      persistQuotaVisibility(next, previous);
+    },
+    [quotaVisibility, persistQuotaVisibility]
+  );
+
+  const handleHideQuota = useCallback(
+    (provider: string, quotaRow: any) => toggleQuotaKey(provider, quotaRow, true),
+    [toggleQuotaKey]
+  );
+
+  const handleShowQuota = useCallback(
+    (provider: string, quotaRow: any) => toggleQuotaKey(provider, quotaRow, false),
+    [toggleQuotaKey]
+  );
+
+  return { quotaVisibility, handleHideQuota, handleShowQuota };
+}