Fix Quick Switch space mapping fallback

Ariver

2026-06-10 fe5c1fa0d397938511e6102bbe5562f03f02607f

 C1.source/Tests/AlignerCoreTests/AlignerCoreTests.swift

@@ -1174,6 +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(