G8l: notification-object teardown commit writer-authority audit

pub const S294_WRITER_BOUNDARY_SITES: usize = 1;
pub const S294_WRITER_AUTHORITY_SITES: usize = 0;
pub const S294_DIRECT_SCHEDULER_ACCESS_SITES: usize = S293_DIRECT_SCHEDULER_ACCESS_SITES;
pub const S294_IMMUTABLE_READ_SITES: usize = S293_IMMUTABLE_READ_SITES;
pub const S294_WHOLE_SCHEDULER_GUARDED_SITES: usize = S293_WHOLE_SCHEDULER_GUARDED_SITES;
pub const S294_WHOLE_SCHEDULER_UNROUTED_SITES: usize = S293_WHOLE_SCHEDULER_UNROUTED_SITES;
pub const S294_OPEN_WRITER_SITES: usize = S293_OPEN_WRITER_SITES;

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum G8lS294SchedulerWriterAuthorityAuditOutcome {
    Idle,
    AwaitingWriterAuthority {
        request_id: u64,
        guarded_sites: usize,
        writer_sites: usize,
    },
}

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum G8lS294SchedulerWriterAuthorityAuditError {
    S293(G8lS293SchedulerWriterAuthorityAuditError),
    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_s294_scheduler_writer_authority(
    caller_cpu: usize,
    request: Option<G8lS245WholeSchedulerExclusionAdmissionRequestView>,
) -> Result<G8lS294SchedulerWriterAuthorityAuditOutcome, G8lS294SchedulerWriterAuthorityAuditError>
{
    match preflight_s293_scheduler_writer_authority(caller_cpu, request)
        .map_err(G8lS294SchedulerWriterAuthorityAuditError::S293)?
    {
        G8lS293SchedulerWriterAuthorityAuditOutcome::Idle => {
            Ok(G8lS294SchedulerWriterAuthorityAuditOutcome::Idle)
        }
        G8lS293SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
            request_id,
            guarded_sites,
            writer_sites,
        } if guarded_sites == S294_WHOLE_SCHEDULER_GUARDED_SITES
            && writer_sites == S294_OPEN_WRITER_SITES =>
        {
            Ok(
                G8lS294SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
                    request_id,
                    guarded_sites,
                    writer_sites,
                },
            )
        }
        G8lS293SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
            guarded_sites,
            writer_sites: _,
            ..
        } => Err(
            G8lS294SchedulerWriterAuthorityAuditError::PriorCoverageDrift {
                guarded_sites,
                unrouted_sites: S294_DIRECT_SCHEDULER_ACCESS_SITES - guarded_sites,
            },
        ),
    }
}

#[test]
fn s294_keeps_notification_object_teardown_commit_writer_open_until_exclusive_authority_exists() {
    assert_eq!(S294_WRITER_BOUNDARY_SITES, 1);
    assert_eq!(S294_WRITER_AUTHORITY_SITES, 0);
    assert_eq!(S294_DIRECT_SCHEDULER_ACCESS_SITES, 113);
    assert_eq!(S294_IMMUTABLE_READ_SITES, 44);
    assert_eq!(S294_WHOLE_SCHEDULER_GUARDED_SITES, 44);
    assert_eq!(S294_WHOLE_SCHEDULER_UNROUTED_SITES, 69);
    assert_eq!(S294_OPEN_WRITER_SITES, 69);
}

  {
    id: "g8l-s294-notification-object-teardown-commit-writer-authority-audit-partial",
    date: "2026-08-26",
    sequence: 294,
    status: "passed",
    umbrella_status: "partial",
    title: "G8l: notification-object teardown commit writer-authority audit",
    summary:
      "S294 focused 15/15 PASS ile teardown_notification_object_under_ipc_transaction içindeki tek explicit mutable scheduler aliasını kaynakta doğrular. Exact waiter ve peer-closed deadline retirement scheduler commit'inden önce tamamlanır; holder purge immutable preflight summary ile exact eşleşir, root provenance revoke edilir ve koşullu revoked-notification wake aynı dar alias üzerinden yapılır. Helper'da audit edilmemiş writer boundary kalmaz; bu production migration değildir. Writer authority yalnız model gate'inin exclusive lease'iyle mümkündür, reader lease'i writer'ı açmaz. 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: [
      "S294 focused kaynak/model kapısı iki bağımsız koşuda 15/15 PASS verdi: 130 B / SHA-256 0447f2fe9dc6fdf30815a6962cf23d978425e51bef2acde1efb27e5da13a78b3.",
      "teardown_notification_object_under_ipc_transaction içindeki tek addr_of_mut!(crate::task::scheduler::SCHEDULER) alias audit edilir. Deadline ve notification registry kilitleri, exact owner/object removal, registry drop, optional cancel_waiter_exact + complete_peer_closed_exact, deadline drop, purge_notification_holders_exact(id, expected_owner), immutable preflight.holders equality, revoke_notification_provenance(id, revoker), should_wake ve wake_revoked_notification_exact(wait.waiter.task_id(), id), ardından teardown counter commit sırası kaynakta görünür. Helper'da audit edilmemiş writer boundary kalmaz.",
      "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.",
      "S293 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 / 8fc247c0, RPi4 149371 B / 45b8f1d1, RPi5 400727 B / f1626316 ve RPi5+SMP 400669 B / 08f60d3f. Warning header'ları sırasıyla 291, 389, 815 ve 815'tir; zero-warning iddiası değildir.",
      "Birleşik board-rpi5,board-qemu özellikleri iki koşuda beklenen exit 101, 18590 B / 250f0411, 17 error ve 22 warning header ile fail-closed kaldı; S294 writer boundary'si iki board profilinin birlikte etkinleşmesini açmaz.",
      "S238–S294 dependency matrisi iki koşuda 58 grup / 794/794 PASS; ham loglar 7462 B / 2eaa464b ve b6abe2ac, süre-normalize özet 7578 B byte-equal / be3ae729d7b8b6fc70ce4ac1415109030be25772e07902286aa0a5d0c6ed8636. Bu production writer-authority invocation kanıtı değildir.",
      "Ortak make verify-qemu iki koşuda PASS verdi: 116222 B / 88f3c81b ve 116139 B / faa95bb0; 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 S294 production writer invocation kanıtı değildir.",
      "Exact yedi tarihsel G8h assertion adıyla dışlandığında workspace iki koşuda 256 sonuç grubu / 2578 PASS / 7 filtered verdi: ham loglar 60757 B / e45c86cb ve 60758 B / f98ab612, süre-normalize 24713 B özet byte-equal / SHA-256 d1799ec45d475906282d741a367d7ae5179ea16dcc41a31efba5d603893be0f5. Filtresiz koşu exit 101, 55978 B / c07027e1 ile frozen S96 exceptions.S identity kapısında RED kaldı; full-workspace GREEN iddia edilmez.",
      "S294 production exclusive wrapper, provider authority, whole-scheduler exclusion, QEMU runtime fixture veya scheduler mutation iddiası eklemez; physical/device operations=0 ve RUNBOOK_EXECUTED_IN_S294=NO.",
    ],
    commands: [
      "cargo test --quiet -p aselsan_microkernel_simulation --test g8l_target_dispatch_scheduler_owner_scheduler_mutation_production_migration_lifecycle_s294_notification_object_teardown_commit_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-s294-notification-object-teardown-commit-writer-authority-audit",
        title:
          "G8l S294 notification-object teardown commit writer-authority audit",
        commandLines: [
          "cargo test --quiet -p aselsan_microkernel_simulation --test g8l_target_dispatch_scheduler_owner_scheduler_mutation_production_migration_lifecycle_s294_notification_object_teardown_commit_writer_authority_audit -- --test-threads=1",
        ],
        outputLines: [
          "test result: ok; S294 focused 1 group / 15 passed; 0 failed",
          "repeat-stable quiet output: 130 B / 0447f2fe9dc6fdf30815a6962cf23d978425e51bef2acde1efb27e5da13a78b3",
          "notification-object teardown commit writer authority remains model-only: reader blocks exclusive lease; helper boundary is source/model audited while 69 production writer sites remain open",
          "dependency: S238–S294 · 58 groups · 794/794 PASS; workspace: 256 groups · 2578 PASS · 7 historical filtered",
        ],
        exitCode: 0,
        outputMode: "selected",
      },
    ],
    terminalSessionsNote:
      "S294 kaynak/model fail-closed authority boundary'sidir; production writer guard/migration, QEMU fixture mutation ve fiziksel/device execution claim edilmez.",
    limitations: [
      "S294 teardown_notification_object_under_ipc_transaction içindeki tek holder-purge/optional-wake writer aliasını audit eder; helper audit envanteri kapanır fakat 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–S294 dependency matrisi exact 58 grup / 794/794 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; S294 physical/device operations=0 ve RUNBOOK_EXECUTED_IN_S294=NO.",
    ],
  },