fix(ai): normalize Z.AI weekly quota window

packages/ai/src/usage/zai.ts

@@ -158,9 +158,9 @@ function buildZaiWindow(parsed: ZaiUsageLimitItem): UsageWindow {
 			durationMs = count * MONTH_MS;
 			break;
 		case 6:
-			id = `${count}w`;
-			label = count === 1 ? "Weekly" : formatCountedUnit(count, "Week");
-			durationMs = count * WEEK_MS;
+			id = "1w";
+			label = "Weekly";
+			durationMs = WEEK_MS;
 			break;
 		default:
 			id = parsed.unit !== undefined ? `${count}u${parsed.unit}` : "quota";

packages/ai/test/zai-usage.test.ts

@@ -51,7 +51,7 @@ describe("zai usage provider", () => {
 							],
 						},
 						{ type: "TOKENS_LIMIT", percentage: 82, nextResetTime: 1782656863894, unit: 3, number: 5 },
-						{ type: "TOKENS_LIMIT", percentage: 38, nextResetTime: 1783165208993, unit: 6, number: 1 },
+						{ type: "TOKENS_LIMIT", percentage: 38, nextResetTime: 1783165208993, unit: 6, number: 7 },
 					],
 				},
 			}),