diff --git a/src/domain/quotaCache.ts b/src/domain/quotaCache.ts
index a0b0e2caad..e89f0849f5 100644
--- a/src/domain/quotaCache.ts
+++ b/src/domain/quotaCache.ts
@@ -101,6 +101,35 @@ function clampPercent(value: number): number {
   return Math.max(0, Math.min(100, value));
 }
 
+function normalizeWindowKey(value: string): string {
+  return value
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, " ")
+    .trim();
+}
+
+function resolveQuotaWindow(
+  quotas: Record<string, QuotaInfo>,
+  windowName: string
+): QuotaInfo | null {
+  const direct = quotas[windowName];
+  if (direct) return direct;
+
+  const normalizedTarget = normalizeWindowKey(windowName);
+  if (!normalizedTarget) return null;
+
+  for (const [key, quota] of Object.entries(quotas)) {
+    const normalizedKey = normalizeWindowKey(key);
+    if (!normalizedKey) continue;
+    if (normalizedKey === normalizedTarget) return quota;
+    // Support canonical selection of generic windows from labeled windows,
+    // e.g. "weekly" from "weekly (7d)" or "session" from "session (5h)".
+    if (normalizedKey.startsWith(`${normalizedTarget} `)) return quota;
+  }
+
+  return null;
+}
+
 function earliestResetAt(quotas: Record<string, QuotaInfo>): string | null {
   let earliest: string | null = null;
   let earliestMs = Infinity;
@@ -201,7 +230,7 @@ export function getQuotaWindowStatus(
 
   const now = Date.now();
 
-  const window = entry.quotas[windowName];
+  const window = resolveQuotaWindow(entry.quotas, windowName);
   if (!window) return null;
 
   const remainingPercentage = clampPercent(window.remainingPercentage);
diff --git a/src/sse/services/auth.ts b/src/sse/services/auth.ts
index 37de3bcc00..e77916c413 100644
--- a/src/sse/services/auth.ts
+++ b/src/sse/services/auth.ts
@@ -132,12 +132,37 @@ function normalizeWindowName(windowName: unknown): string | null {
   return normalized.length > 0 ? normalized : null;
 }
 
-function getLegacyCodexWindows(providerSpecificData: JsonRecord): string[] {
+function uniqueWindows(windows: string[]): string[] {
+  return [...new Set(windows)];
+}
+
+function normalizeCodexWindowName(windowName: string): string {
+  const normalized = windowName.trim().toLowerCase();
+  if (normalized === "session (5h)" || normalized === "5h" || normalized === "five_hour") {
+    return "session";
+  }
+  if (normalized === "weekly (7d)" || normalized === "7d" || normalized === "seven_day") {
+    return "weekly";
+  }
+  return normalized;
+}
+
+function applyCodexWindowPolicy(rawWindows: string[], providerSpecificData: JsonRecord): string[] {
   const codexPolicy = getCodexLimitPolicy(providerSpecificData);
-  const windows: string[] = [];
+  const normalizedRaw = rawWindows.map(normalizeCodexWindowName).filter(Boolean);
+
+  // Preserve explicitly configured custom windows, but enforce canonical Codex windows
+  // from toggles so weekly exhaustion is never skipped when useWeekly=true.
+  let windows = [...normalizedRaw];
+  windows = windows.filter((windowName) => {
+    if (windowName === "session") return codexPolicy.use5h;
+    if (windowName === "weekly") return codexPolicy.useWeekly;
+    return true;
+  });
   if (codexPolicy.use5h) windows.push("session");
   if (codexPolicy.useWeekly) windows.push("weekly");
-  return windows;
+
+  return uniqueWindows(windows);
 }
 
 export function resolveQuotaLimitPolicy(
@@ -149,8 +174,7 @@ export function resolveQuotaLimitPolicy(
   const windows = rawWindows.map(normalizeWindowName).filter(Boolean) as string[];
 
   if (provider === "codex") {
-    const fallbackWindows = getLegacyCodexWindows(providerSpecificData);
-    const defaultWindows = windows.length > 0 ? windows : fallbackWindows;
+    const defaultWindows = applyCodexWindowPolicy(windows, providerSpecificData);
     const enabled = toBooleanOrDefault(rawPolicy.enabled, defaultWindows.length > 0);
 
     return {
diff --git a/tests/unit/quota-policy-generalization.test.mjs b/tests/unit/quota-policy-generalization.test.mjs
index 881480fef3..a99c27a172 100644
--- a/tests/unit/quota-policy-generalization.test.mjs
+++ b/tests/unit/quota-policy-generalization.test.mjs
@@ -21,6 +21,26 @@ test("resolveQuotaLimitPolicy keeps codex legacy defaults when generic policy is
   assert.equal(policy.thresholdPercent, 90);
 });
 
+test("resolveQuotaLimitPolicy enforces codex weekly window when weekly toggle is enabled", () => {
+  const policy = auth.resolveQuotaLimitPolicy("codex", {
+    codexLimitPolicy: { use5h: true, useWeekly: true },
+    limitPolicy: { enabled: true, windows: ["session"] },
+  });
+
+  assert.equal(policy.enabled, true);
+  assert.deepEqual(policy.windows.sort(), ["session", "weekly"]);
+});
+
+test("resolveQuotaLimitPolicy removes codex weekly window when weekly toggle is disabled", () => {
+  const policy = auth.resolveQuotaLimitPolicy("codex", {
+    codexLimitPolicy: { use5h: true, useWeekly: false },
+    limitPolicy: { enabled: true, windows: ["session", "weekly"] },
+  });
+
+  assert.equal(policy.enabled, true);
+  assert.deepEqual(policy.windows, ["session"]);
+});
+
 test("resolveQuotaLimitPolicy disables non-codex policy by default", () => {
   const policy = auth.resolveQuotaLimitPolicy("openai", {});
   assert.equal(policy.enabled, false);
@@ -60,6 +80,26 @@ test("evaluateQuotaLimitPolicy blocks when configured window reaches threshold",
   assert.equal(result.resetAt, resetAt);
 });
 
+test("evaluateQuotaLimitPolicy matches canonical weekly window against labeled cache keys", () => {
+  const resetAt = new Date(Date.now() + 60_000).toISOString();
+  quotaCache.setQuotaCache("conn-policy-weekly-label", "codex", {
+    "weekly (7d)": { remainingPercentage: 0, resetAt },
+  });
+
+  const result = auth.evaluateQuotaLimitPolicy(
+    "codex",
+    buildConnection("conn-policy-weekly-label", {
+      codexLimitPolicy: { use5h: true, useWeekly: true },
+      limitPolicy: { enabled: true, windows: ["weekly"] },
+    })
+  );
+
+  assert.equal(result.blocked, true);
+  assert.equal(result.reasons.length, 1);
+  assert.match(result.reasons[0], /weekly usage/i);
+  assert.equal(result.resetAt, resetAt);
+});
+
 test("evaluateQuotaLimitPolicy does not block when no quota data exists", () => {
   const result = auth.evaluateQuotaLimitPolicy(
     "openai",