Fix empty Space lane fill

Ariver

2026-06-10 2182f72105033db025bb29e08319586112e53c5f

 C1.source/Tests/AlignerCoreTests/AlignerCoreTests.swift

@@ -212,12 +212,25 @@
        let record = makeWindowRecord(
            title: "Closed Document.md",
            hasAXBacking: false,
            isOnscreen: false,
            spaceIDs: [5]
            isOnscreen: false
        )

        XCTAssertFalse(WindowEnumerationPolicy.shouldInclude(record))
        XCTAssertNil(WindowEnumerationPolicy.window(from: record))
    }

    func testWindowEnumerationPolicyKeepsCGOnlyOffscreenWindowsWithKnownSpaceIDs() {
        let record = makeWindowRecord(
            title: "Other Space Document.md",
            hasAXBacking: false,
            isOnscreen: false,
            spaceIDs: [5]
        )

        let window = WindowEnumerationPolicy.window(from: record)

        XCTAssertEqual(window?.title, "Other Space Document.md")
        XCTAssertEqual(window?.spaceIDs, [5])
    }

    func testWindowEnumerationPolicyKeepsAXBackedOffscreenWindows() {
@@ -283,13 +296,13 @@
        XCTAssertNil(WindowEnumerationPolicy.window(from: tinyRecord))
    }

    func testWindowEnumerationPolicyKeepsShottrCGOnlyAnnotationWindow() {
    func testWindowEnumerationPolicyExcludesClosedShottrCGPlaceholderButKeepsVisibleWindow() {
        let shottrApp = AlignerApp(
            bundleIdentifier: "cc.ffitch.shottr",
            name: "Shottr",
            category: .generic
        )
        let annotationRecord = WindowEnumerationRecord(
        let closedPlaceholderRecord = WindowEnumerationRecord(
            id: 78,
            app: shottrApp,
            activationPolicy: .accessory,
@@ -298,6 +311,16 @@
            subrole: .standard,
            hasAXBacking: false,
            isOnscreen: false
        )
        let visibleRecord = WindowEnumerationRecord(
            id: 79,
            app: shottrApp,
            activationPolicy: .accessory,
            title: "Shottr",
            size: CGSize(width: 1710, height: 997),
            subrole: .standard,
            hasAXBacking: false,
            isOnscreen: true
        )
        let utilityRecord = WindowEnumerationRecord(
            id: 102,
@@ -310,7 +333,8 @@
            isOnscreen: false
        )

        XCTAssertEqual(WindowEnumerationPolicy.window(from: annotationRecord)?.title, "Shottr")
        XCTAssertNil(WindowEnumerationPolicy.window(from: closedPlaceholderRecord))
        XCTAssertEqual(WindowEnumerationPolicy.window(from: visibleRecord)?.title, "Shottr")
        XCTAssertNil(WindowEnumerationPolicy.window(from: utilityRecord))
    }

@@ -1150,6 +1174,50 @@
        XCTAssertEqual(snapshot.appGroups.single?.windows.map(\.primarySpaceID), [10, 11, 12, 12, nil])
    }

    func testWindowSpaceMappingFillsUnresolvedWindowsFromSpaceInverseMap() {
        let mapping = WindowSpaceMappingPolicy.mergedSpaceIDsByWindowID(
            requestedWindowIDs: [10, 20, 30],
            directSpaceIDsByWindowID: [10: [100]],
            windowIDsBySpaceID: [
                100: [10, 20],
                101: [30]
            ],
            orderedSpaceIDs: [100, 101]
        )

        XCTAssertEqual(mapping[10], [100])
        XCTAssertEqual(mapping[20], [100])
        XCTAssertEqual(mapping[30], [101])
    }

    func testWindowSpaceMappingDoesNotOverwriteDirectSpaceAssignments() {
        let mapping = WindowSpaceMappingPolicy.mergedSpaceIDsByWindowID(
            requestedWindowIDs: [10],
            directSpaceIDsByWindowID: [10: [101]],
            windowIDsBySpaceID: [
                100: [10]
            ],
            orderedSpaceIDs: [100, 101]
        )

        XCTAssertEqual(mapping[10], [101])
    }

    func testWindowSpaceMappingLeavesAmbiguousNoSpaceWindowsUnassigned() {
        let mapping = WindowSpaceMappingPolicy.mergedSpaceIDsByWindowID(
            requestedWindowIDs: [10, 20],
            directSpaceIDsByWindowID: [:],
            windowIDsBySpaceID: [
                100: [10, 99]
            ],
            orderedSpaceIDs: [100]
        )

        XCTAssertEqual(mapping[10], [100])
        XCTAssertNil(mapping[20])
        XCTAssertNil(mapping[99])
    }

    func testQuickSwitchSnapshotKeepsMinimizedAndFullscreenWindows() {
        let app = makeApp()
        let snapshot = QuickSwitchSnapshotBuilder.snapshot(