#if os(Linux)import Foundationimport Testing@testable import CodexBarCore struct AbacusUsageSnapshotLinuxTests {    @Test    func `in-range credit usage maps to its percent`() {        let snapshot = AbacusUsageSnapshot(creditsUsed: 250, creditsTotal: 1000)        let usage = snapshot.toUsageSnapshot()        #expect(abs((usage.primary?.usedPercent ?? 0) - 25) < 0.01)    }     @Test    func `credit overage clamps used percent to 100`() {        // A usage-based plan in overage (or a shrunk grant) reports used > total.        // The percent must cap at 100 like every sibling credit provider, instead        // of flowing 150 into RateWindow.usedPercent (which does not clamp).        let snapshot = AbacusUsageSnapshot(creditsUsed: 15000, creditsTotal: 10000)        let usage = snapshot.toUsageSnapshot()        #expect(usage.primary?.usedPercent == 100)    }}#endif