Swift Package Index

Build Information

Failed to build FocusKit, reference main (c9aac0), with Swift 6.4 for macOS (SPM) on 24 Sep 2026 18:49:45 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/isonka/FocusKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/isonka/FocusKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at c9aac07 Fix test issues
Cloned https://github.com/isonka/FocusKit.git
Revision (git rev-parse @):
c9aac0756a0aba2b56a302b1c6d545986566c8c6
SUCCESS checkout https://github.com/isonka/FocusKit.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/isonka/FocusKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 124]
[Planning deferred tasks]
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error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:22:2: error: 'Observable()' is only available in macOS 14.0 or newer
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    |  `- error: 'Observable()' is only available in macOS 14.0 or newer
 23 | public final class FocusStore {
 24 |     /// Current focus phase.
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:25:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'phase' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 26 |     /// Remaining time in the active phase in seconds.
 27 |     public private(set) var remaining: TimeInterval
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:27:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'remaining' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
 26 |     /// Remaining time in the active phase in seconds.
 27 |     public private(set) var remaining: TimeInterval
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 28 |     /// Progress between `0` and `1`.
 29 |     public private(set) var progress: Double
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:29:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'progress' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 27 |     public private(set) var remaining: TimeInterval
 28 |     /// Progress between `0` and `1`.
 29 |     public private(set) var progress: Double
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 30 |     /// Number of completed work sessions in current scheduler state.
 31 |     public private(set) var completedWorkSessions: Int
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:31:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'completedWorkSessions' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 29 |     public private(set) var progress: Double
 30 |     /// Number of completed work sessions in current scheduler state.
 31 |     public private(set) var completedWorkSessions: Int
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 32 |     /// Current cycle number.
 33 |     public private(set) var currentCycle: Int
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:33:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'currentCycle' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 31 |     public private(set) var completedWorkSessions: Int
 32 |     /// Current cycle number.
 33 |     public private(set) var currentCycle: Int
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 34 |     /// Runtime behavior and durations.
 35 |     public var configuration: FocusConfiguration
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:35:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'configuration' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 33 |     public private(set) var currentCycle: Int
 34 |     /// Runtime behavior and durations.
 35 |     public var configuration: FocusConfiguration
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 36 |
 37 |     private var scheduler: FocusScheduler
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:37:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'scheduler' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 35 |     public var configuration: FocusConfiguration
 36 |
 37 |     private var scheduler: FocusScheduler
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 38 |     private let timer: FocusTimer
 39 |     private var tickTask: Task<Void, Never>?
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:39:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'tickTask' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 37 |     private var scheduler: FocusScheduler
 38 |     private let timer: FocusTimer
 39 |     private var tickTask: Task<Void, Never>?
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 40 |     private var activeSession: FocusSession?
 41 |     private var historyStore: [FocusSession]
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:40:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'activeSession' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 38 |     private let timer: FocusTimer
 39 |     private var tickTask: Task<Void, Never>?
 40 |     private var activeSession: FocusSession?
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 41 |     private var historyStore: [FocusSession]
 42 |     private var pausedRemaining: TimeInterval?
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:41:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'historyStore' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 39 |     private var tickTask: Task<Void, Never>?
 40 |     private var activeSession: FocusSession?
 41 |     private var historyStore: [FocusSession]
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 42 |     private var pausedRemaining: TimeInterval?
 43 |
macro expansion @Observable:1:2: error: 'ObservationTracked()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:42:5: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on property 'pausedRemaining' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 40 |     private var activeSession: FocusSession?
 41 |     private var historyStore: [FocusSession]
 42 |     private var pausedRemaining: TimeInterval?
    +--- macro expansion @Observable -----------------------------------
    |1 | @ObservationTracked
    |  |  `- error: 'ObservationTracked()' is only available in macOS 14.0 or newer
    +-------------------------------------------------------------------
 43 |
 44 |     /// Creates a new store for managing focus sessions.
macro expansion @Observable:1:2: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:203:1: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on class 'FocusStore' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
201 |         activeSession = session
202 |     }
203 | }
    +--- macro expansion @Observable -----------------------------------
    | 1 | @ObservationIgnored private let _$observationRegistrar = Observation.ObservationRegistrar()
    |   |  `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    | 2 |
    | 3 | internal nonisolated func access<$s8FocusKit0A5Store10ObservablefMm_6MemberfMu_>(
    +-------------------------------------------------------------------
204 |
macro expansion @ObservationTracked:3:6: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:25:46: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | /// Current focus phase.
    |2 |
    |3 |     @ObservationIgnored
    |  |      `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |4 | private  var _phase: FocusPhase
    +-------------------------------------------------------------------
 26 |     /// Remaining time in the active phase in seconds.
 27 |     public private(set) var remaining: TimeInterval
macro expansion @ObservationTracked:3:6: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:27:52: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
 26 |     /// Remaining time in the active phase in seconds.
 27 |     public private(set) var remaining: TimeInterval
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | /// Remaining time in the active phase in seconds.
    |2 |
    |3 |     @ObservationIgnored
    |  |      `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |4 | private  var _remaining: TimeInterval
    +-------------------------------------------------------------------
 28 |     /// Progress between `0` and `1`.
 29 |     public private(set) var progress: Double
macro expansion @ObservationTracked:3:6: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:29:45: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 27 |     public private(set) var remaining: TimeInterval
 28 |     /// Progress between `0` and `1`.
 29 |     public private(set) var progress: Double
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | /// Progress between `0` and `1`.
    |2 |
    |3 |     @ObservationIgnored
    |  |      `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |4 | private  var _progress: Double
    +-------------------------------------------------------------------
 30 |     /// Number of completed work sessions in current scheduler state.
 31 |     public private(set) var completedWorkSessions: Int
macro expansion @ObservationTracked:3:6: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:31:55: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 29 |     public private(set) var progress: Double
 30 |     /// Number of completed work sessions in current scheduler state.
 31 |     public private(set) var completedWorkSessions: Int
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | /// Number of completed work sessions in current scheduler state.
    |2 |
    |3 |     @ObservationIgnored
    |  |      `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |4 | private  var _completedWorkSessions: Int
    +-------------------------------------------------------------------
 32 |     /// Current cycle number.
 33 |     public private(set) var currentCycle: Int
macro expansion @ObservationTracked:3:6: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:33:46: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 31 |     public private(set) var completedWorkSessions: Int
 32 |     /// Current cycle number.
 33 |     public private(set) var currentCycle: Int
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | /// Current cycle number.
    |2 |
    |3 |     @ObservationIgnored
    |  |      `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |4 | private  var _currentCycle: Int
    +-------------------------------------------------------------------
 34 |     /// Runtime behavior and durations.
 35 |     public var configuration: FocusConfiguration
macro expansion @ObservationTracked:3:6: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:35:49: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 33 |     public private(set) var currentCycle: Int
 34 |     /// Runtime behavior and durations.
 35 |     public var configuration: FocusConfiguration
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | /// Runtime behavior and durations.
    |2 |
    |3 |     @ObservationIgnored
    |  |      `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |4 | private  var _configuration: FocusConfiguration
    +-------------------------------------------------------------------
 36 |
 37 |     private var scheduler: FocusScheduler
macro expansion @ObservationTracked:1:2: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:37:42: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 35 |     public var configuration: FocusConfiguration
 36 |
 37 |     private var scheduler: FocusScheduler
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | @ObservationIgnored
    |  |  `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |2 | private  var _scheduler: FocusScheduler
    +-------------------------------------------------------------------
 38 |     private let timer: FocusTimer
 39 |     private var tickTask: Task<Void, Never>?
macro expansion @ObservationTracked:1:2: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:39:45: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 37 |     private var scheduler: FocusScheduler
 38 |     private let timer: FocusTimer
 39 |     private var tickTask: Task<Void, Never>?
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | @ObservationIgnored
    |  |  `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |2 | private  var _tickTask: Task<Void, Never>?
    +-------------------------------------------------------------------
 40 |     private var activeSession: FocusSession?
 41 |     private var historyStore: [FocusSession]
macro expansion @ObservationTracked:1:2: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:40:45: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 38 |     private let timer: FocusTimer
 39 |     private var tickTask: Task<Void, Never>?
 40 |     private var activeSession: FocusSession?
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | @ObservationIgnored
    |  |  `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |2 | private  var _activeSession: FocusSession?
    +-------------------------------------------------------------------
 41 |     private var historyStore: [FocusSession]
 42 |     private var pausedRemaining: TimeInterval?
macro expansion @ObservationTracked:1:2: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:41:45: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 39 |     private var tickTask: Task<Void, Never>?
 40 |     private var activeSession: FocusSession?
 41 |     private var historyStore: [FocusSession]
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | @ObservationIgnored
    |  |  `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |2 | private  var _historyStore: [FocusSession]
    +-------------------------------------------------------------------
 42 |     private var pausedRemaining: TimeInterval?
 43 |
macro expansion @ObservationTracked:1:2: error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:42:47: note: expanded code originates here
 21 | @MainActor
 22 | @Observable
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
 40 |     private var activeSession: FocusSession?
 41 |     private var historyStore: [FocusSession]
 42 |     private var pausedRemaining: TimeInterval?
    +--- macro expansion @ObservationTracked ---------------------------
    |1 | @ObservationIgnored
    |  |  `- error: 'ObservationIgnored()' is only available in macOS 14.0 or newer
    |2 | private  var _pausedRemaining: TimeInterval?
    +-------------------------------------------------------------------
 43 |
 44 |     /// Creates a new store for managing focus sessions.
macro expansion @Observable:1:70: error: 'ObservationRegistrar' is only available in macOS 14.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:203:1: note: expanded code originates here
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    | `- note: in expansion of macro 'Observable' on class 'FocusStore' here
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
    :
201 |         activeSession = session
202 |     }
203 | }
    +--- macro expansion @Observable -----------------------------------
    | 1 | @ObservationIgnored private let _$observationRegistrar = Observation.ObservationRegistrar()
    |   |                                                                      `- error: 'ObservationRegistrar' is only available in macOS 14.0 or newer
    | 2 |
    | 3 | internal nonisolated func access<$s8FocusKit0A5Store10ObservablefMm_6MemberfMu_>(
    +-------------------------------------------------------------------
204 |
/Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift:22:2: error: 'Observable()' is only available in macOS 14.0 or newer
 20 | /// Observable state container and action interface for SwiftUI.
 21 | @MainActor
 22 | @Observable
    |  `- error: 'Observable()' is only available in macOS 14.0 or newer
 23 | public final class FocusStore {
    |                    `- note: add '@available' attribute to enclosing class
 24 |     /// Current focus phase.
 25 |     public private(set) var phase: FocusPhase
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusConfiguration.swift /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusError.swift /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusKit.swift /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusScheduler.swift /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusSession.swift /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStatistics.swift /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusStore.swift /Users/admin/builder/spi-builder-workspace/Sources/FocusKit/FocusTimer.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/Objects-normal/arm64/FocusKit-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature StrictConcurrency -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name FocusKit -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/Objects-normal/arm64/FocusKit_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/Objects-normal/arm64/FocusKit.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/Objects-normal/arm64/FocusKit.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/Objects-normal/arm64/FocusKit-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/Objects-normal/arm64/FocusKit-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/Objects-normal/arm64/FocusKit-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/Objects-normal/arm64/FocusKit.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/FocusKit.build/Debug/FocusKit-t.build/Objects-normal/arm64/FocusKit.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm