G8l: task IPC lifecycle responder-wake writer-authority audit

pub const S292_WRITER_BOUNDARY_SITES: usize = 1;
pub const S292_WRITER_AUTHORITY_SITES: usize = 0;
pub const S292_DIRECT_SCHEDULER_ACCESS_SITES: usize = S291_DIRECT_SCHEDULER_ACCESS_SITES;
pub const S292_IMMUTABLE_READ_SITES: usize = S291_IMMUTABLE_READ_SITES;
pub const S292_WHOLE_SCHEDULER_GUARDED_SITES: usize = S291_WHOLE_SCHEDULER_GUARDED_SITES;
pub const S292_WHOLE_SCHEDULER_UNROUTED_SITES: usize = S291_WHOLE_SCHEDULER_UNROUTED_SITES;
pub const S292_OPEN_WRITER_SITES: usize = S291_OPEN_WRITER_SITES;

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum G8lS292SchedulerWriterAuthorityAuditOutcome {
    Idle,
    AwaitingWriterAuthority {
        request_id: u64,
        guarded_sites: usize,
        writer_sites: usize,
    },
}

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum G8lS292SchedulerWriterAuthorityAuditError {
    S291(G8lS291SchedulerWriterAuthorityAuditError),
    S245(G8lS245ExclusionAdmissionRequestError),
    PriorCoverageDrift {
        guarded_sites: usize,
        unrouted_sites: usize,
    },
}

/// Revalidate the prior fail-closed authority boundary without taking
/// admission or constructing a production exclusive wrapper.
pub fn preflight_s292_scheduler_writer_authority(
    caller_cpu: usize,
    request: Option<G8lS245WholeSchedulerExclusionAdmissionRequestView>,
) -> Result<G8lS292SchedulerWriterAuthorityAuditOutcome, G8lS292SchedulerWriterAuthorityAuditError>
{
    match preflight_s291_scheduler_writer_authority(caller_cpu, request)
        .map_err(G8lS292SchedulerWriterAuthorityAuditError::S291)?
    {
        G8lS291SchedulerWriterAuthorityAuditOutcome::Idle => {
            Ok(G8lS292SchedulerWriterAuthorityAuditOutcome::Idle)
        }
        G8lS291SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
            request_id,
            guarded_sites,
            writer_sites,
        } if guarded_sites == S292_WHOLE_SCHEDULER_GUARDED_SITES
            && writer_sites == S292_OPEN_WRITER_SITES =>
        {
            Ok(
                G8lS292SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
                    request_id,
                    guarded_sites,
                    writer_sites,
                },
            )
        }
        G8lS291SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
            guarded_sites,
            writer_sites: _,
            ..
        } => Err(
            G8lS292SchedulerWriterAuthorityAuditError::PriorCoverageDrift {
                guarded_sites,
                unrouted_sites: S292_DIRECT_SCHEDULER_ACCESS_SITES - guarded_sites,
            },
        ),
    }
}

#[test]
fn s292_keeps_task_ipc_responder_wake_writer_open_until_exclusive_authority_exists() {
    assert_eq!(S292_WRITER_BOUNDARY_SITES, 1);
    assert_eq!(S292_WRITER_AUTHORITY_SITES, 0);
    assert_eq!(S292_DIRECT_SCHEDULER_ACCESS_SITES, 113);
    assert_eq!(S292_IMMUTABLE_READ_SITES, 44);
    assert_eq!(S292_WHOLE_SCHEDULER_GUARDED_SITES, 44);
    assert_eq!(S292_WHOLE_SCHEDULER_UNROUTED_SITES, 69);
    assert_eq!(S292_OPEN_WRITER_SITES, 69);
}

  {
    id: "g8l-s292-task-ipc-lifecycle-responder-wake-writer-authority-audit-partial",
    date: "2026-08-26",
    sequence: 292,
    status: "passed",
    umbrella_status: "partial",
    title: "G8l: task IPC lifecycle responder-wake writer-authority audit",
    summary:
      "S292 focused 15/15 PASS ile teardown_task_ipc_lifecycle içindeki ikinci explicit scheduler writer erişimini, responder-exit reply-endpoint wake sınırını kaynakta doğrular. Responder cancellation endpoint registry kilidi altında exact rendezvous retire witness üretir; witness kilit kapsamı dışına taşınır, linked reply object silinir ve ancak sonra retired reply token üzerinde scheduler wake yapılır. Writer authority yalnız model gate'inin exclusive lease'iyle mümkündür; reader lease'i writer'ı açmaz. Lifecycle'ın derived notification-grant exact-revoke writer'ı ayrıca açık, production inventory 113 direct / 44 immutable guarded / 69 open writer olarak değişmez ve production exclusive wrapper, provider authority, whole-scheduler exclusion veya scheduler mutation üretilmez.",
    evidence: [
      "S292 focused kaynak/model kapısı iki bağımsız koşuda 15/15 PASS verdi: 130 B / SHA-256 0447f2fe9dc6fdf30815a6962cf23d978425e51bef2acde1efb27e5da13a78b3.",
      "teardown_task_ipc_lifecycle içindeki üç addr_of_mut!(crate::task::scheduler::SCHEDULER) writer'dan ikinci wake_tasks_on_revoked_endpoint(reply_cap_id) sınırı audit edilir. ENDPOINT_REGISTRY altında non-reply/foreign-owner cancel_next_for_responder(owner), ResponderExitOutcome::Wake, exact retire(caller_task, reply_token), witness'in registry kilidi dışına taşınması, discard_retired_reply_endpoint_under_ipc_transaction(..., Some(owner)), tek scheduler wake ve cancellation sayacı sırası kaynakta görünür. Takip eden derived notification-grant exact revoke writer'ı ayrıca açık kalır.",
      "Model gate reader membership exclusive writer authority'yi ExclusiveBusy ile bloklar; reader bırakıldıktan sonra non-zero token'lı exclusive lease alınır. Bu host/model evidence'tır.",
      "S291 authority preflight yeniden doğrulanır; pending S245 request korunur ve sonuç AwaitingWriterAuthority { guarded_sites: 44, writer_sites: 69 } olarak döner.",
      "Dört AArch64 profil derlemesi iki koşuda byte-equal exit 0 verdi: QEMU 110646 B / 34701987, RPi4 149371 B / c33ad009, RPi5 397080 B / f51cbcff ve RPi5+SMP 397022 B / 3905d51a. Warning header'ları sırasıyla 291, 389, 805 ve 805'tir; zero-warning iddiası değildir.",
      "Birleşik board-rpi5,board-qemu özellikleri iki koşuda beklenen exit 101, 18590 B / 5f0a59e1, 17 error ve 22 warning header ile fail-closed kaldı; S292 writer boundary'si iki board profilinin birlikte etkinleşmesini açmaz.",
      "S238–S292 dependency matrisi iki koşuda 56 grup / 764/764 PASS; ham loglar 7202 B / 19dff4f5 ve 0d76d20c, süre-normalize özet 7314 B byte-equal / 1efc4c15534b67a81ace665d9eb66b6cf85e0d13c26564487d5f9b20ee1abbf3. Bu production writer-authority invocation kanıtı değildir.",
      "Ortak make verify-qemu iki koşuda PASS verdi: 116222 B / 26f8f946 ve 116139 B / 2e9ef802; W^X 31/31, S271 GRAPH_ABSENT=YES, RuntimePmm baseline, EL0 x4096, IPC 20/20, tek beklenen S142 fatal containment ve SEC5 korunur. Bu ortak smoke S292 production writer invocation kanıtı değildir.",
      "Exact yedi tarihsel G8h assertion adıyla dışlandığında workspace iki koşuda 254 sonuç grubu / 2546 PASS / 7 filtered verdi: ham loglar 60494 B / 86e90922 ve f7ec5002, süre-normalize 24519 B özet byte-equal / SHA-256 a028f3e3c404a54bc53a66a06413410768fc7132b2264ac8ed4959e8338c6694. Filtresiz koşu exit 101, 55716 B / 7df5cf68 ile frozen S96 exceptions.S identity kapısında RED kaldı; full-workspace GREEN iddia edilmez.",
      "S292 production exclusive wrapper, provider authority, whole-scheduler exclusion, QEMU runtime fixture veya scheduler mutation iddiası eklemez; physical/device operations=0 ve RUNBOOK_EXECUTED_IN_S292=NO.",
    ],
    commands: [
      "cargo test --quiet -p aselsan_microkernel_simulation --test g8l_target_dispatch_scheduler_owner_scheduler_mutation_production_migration_lifecycle_s292_task_ipc_lifecycle_responder_wake_writer_authority_audit -- --test-threads=1",
      "cargo check --quiet -p aselsan_kernel --target aarch64-unknown-none --no-default-features --features board-qemu",
      "cargo check --quiet -p aselsan_kernel --target aarch64-unknown-none --no-default-features --features board-rpi4",
      "cargo check --quiet -p aselsan_kernel --target aarch64-unknown-none --no-default-features --features board-rpi5",
      "cargo check --quiet -p aselsan_kernel --target aarch64-unknown-none --no-default-features --features board-rpi5,smp",
      "cargo check --quiet -p aselsan_kernel --target aarch64-unknown-none --no-default-features --features board-rpi5,board-qemu",
      "make verify-qemu",
    ],
    terminalSessions: [
      {
        id: "g8l-s292-task-ipc-lifecycle-responder-wake-writer-authority-audit",
        title:
          "G8l S292 task IPC lifecycle responder-wake writer-authority audit",
        commandLines: [
          "cargo test --quiet -p aselsan_microkernel_simulation --test g8l_target_dispatch_scheduler_owner_scheduler_mutation_production_migration_lifecycle_s292_task_ipc_lifecycle_responder_wake_writer_authority_audit -- --test-threads=1",
        ],
        outputLines: [
          "test result: ok; S292 focused 1 group / 15 passed; 0 failed",
          "repeat-stable quiet output: 130 B / 0447f2fe9dc6fdf30815a6962cf23d978425e51bef2acde1efb27e5da13a78b3",
          "task IPC lifecycle responder-wake writer authority remains model-only: reader blocks exclusive lease; one lifecycle writer and 69 production writer sites remain open",
          "dependency: S238–S292 · 56 groups · 764/764 PASS; workspace: 254 groups · 2546 PASS · 7 historical filtered",
        ],
        exitCode: 0,
        outputMode: "selected",
      },
    ],
    terminalSessionsNote:
      "S292 kaynak/model fail-closed authority boundary'sidir; production writer guard/migration, QEMU fixture mutation ve fiziksel/device execution claim edilmez.",
    limitations: [
      "S292 teardown_task_ipc_lifecycle içindeki ikinci responder-exit reply-endpoint wake writer sınırını audit eder; lifecycle'ın derived notification-grant exact-revoke writer'ı ile toplam 69 production writer site açık kalır.",
      "Exclusive lease yalnız host/model gate'inde test edilir; production exclusive wrapper, provider authority ve whole-scheduler exclusion açık kalır.",
      "S238–S292 dependency matrisi exact 56 grup / 764/764 PASS'tir; bu production writer authority invocation kanıtı değildir.",
      "Filtresiz workspace frozen S96 identity kapısında RED'dir; workspace umbrella GREEN iddia edilmez.",
      "Supported-profile runtime invocation, Generic SMP ve fiziksel RPi kabulü açık kalır; S292 physical/device operations=0 ve RUNBOOK_EXECUTED_IN_S292=NO.",
    ],
  },