G8l: endpoint-grant revoke writer-authority audit

pub const S283_WRITER_BOUNDARY_SITES: usize = 1;
pub const S283_WRITER_AUTHORITY_SITES: usize = 0;
pub const S283_DIRECT_SCHEDULER_ACCESS_SITES: usize = S282_DIRECT_SCHEDULER_ACCESS_SITES;
pub const S283_IMMUTABLE_READ_SITES: usize = S282_IMMUTABLE_READ_SITES;
pub const S283_WHOLE_SCHEDULER_GUARDED_SITES: usize = S282_WHOLE_SCHEDULER_GUARDED_SITES;
pub const S283_WHOLE_SCHEDULER_UNROUTED_SITES: usize = S282_WHOLE_SCHEDULER_UNROUTED_SITES;
pub const S283_OPEN_WRITER_SITES: usize = S282_OPEN_WRITER_SITES;

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum G8lS283SchedulerWriterAuthorityAuditOutcome {
    Idle,
    AwaitingWriterAuthority {
        request_id: u64,
        guarded_sites: usize,
        writer_sites: usize,
    },
}

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum G8lS283SchedulerWriterAuthorityAuditError {
    S282(G8lS282SchedulerWriterAuthorityAuditError),
    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_s283_scheduler_writer_authority(
    caller_cpu: usize,
    request: Option<G8lS245WholeSchedulerExclusionAdmissionRequestView>,
) -> Result<G8lS283SchedulerWriterAuthorityAuditOutcome, G8lS283SchedulerWriterAuthorityAuditError>
{
    match preflight_s282_scheduler_writer_authority(caller_cpu, request)
        .map_err(G8lS283SchedulerWriterAuthorityAuditError::S282)?
    {
        G8lS282SchedulerWriterAuthorityAuditOutcome::Idle => {
            Ok(G8lS283SchedulerWriterAuthorityAuditOutcome::Idle)
        }
        G8lS282SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
            request_id,
            guarded_sites,
            writer_sites,
        } if guarded_sites == S283_WHOLE_SCHEDULER_GUARDED_SITES
            && writer_sites == S283_OPEN_WRITER_SITES =>
        {
            Ok(
                G8lS283SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
                    request_id,
                    guarded_sites,
                    writer_sites,
                },
            )
        }
        G8lS282SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
            guarded_sites,
            writer_sites: _,
            ..
        } => Err(
            G8lS283SchedulerWriterAuthorityAuditError::PriorCoverageDrift {
                guarded_sites,
                unrouted_sites: S283_DIRECT_SCHEDULER_ACCESS_SITES - guarded_sites,
            },
        ),
    }
}

#[test]
fn s283_keeps_endpoint_grant_revoke_writer_open_until_exclusive_authority_exists() {
    assert_eq!(S283_WRITER_BOUNDARY_SITES, 1);
    assert_eq!(S283_WRITER_AUTHORITY_SITES, 0);
    assert_eq!(S283_DIRECT_SCHEDULER_ACCESS_SITES, 113);
    assert_eq!(S283_IMMUTABLE_READ_SITES, 44);
    assert_eq!(S283_WHOLE_SCHEDULER_GUARDED_SITES, 44);
    assert_eq!(S283_WHOLE_SCHEDULER_UNROUTED_SITES, 69);
    assert_eq!(S283_OPEN_WRITER_SITES, 69);
}

  {
    id: "g8l-s283-endpoint-grant-revoke-writer-authority-audit-partial",
    date: "2026-08-26",
    sequence: 283,
    status: "passed",
    umbrella_status: "partial",
    title: "G8l: endpoint-grant revoke writer-authority audit",
    summary:
      "S283 focused 15/15 PASS ile typed revoke_endpoint_grant(grant, actor) orchestrator sınırındaki explicit scheduler writer erişimini kaynakta doğrular. 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'dır; production exclusive wrapper, provider authority, whole-scheduler exclusion ve scheduler mutation üretilmez.",
    evidence: [
      "S283 focused kaynak/model kapısı iki bağımsız koşuda 15/15 PASS verdi: 130 B / SHA-256 0447f2fe9dc6fdf30815a6962cf23d978425e51bef2acde1efb27e5da13a78b3.",
      "revoke_endpoint_grant içindeki tek addr_of_mut!(crate::task::scheduler::SCHEDULER) writer boundary'si ve tek revoke_cap_for_task_exact çağrısı kaynakta görünür; typed grant-shape/CNode doğrulaması, receiver graph ve wake-capacity preflight, exact revoke, receiver cancellation ve wake aynı IPC transaction sınırında sıralanır.",
      "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.",
      "S282 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 / 8570571d, RPi4 149371 B / 3a38e933, RPi5 381301 B / 6ba974fd ve RPi5+SMP 381243 B / 76fd1881. Warning header'ları sırasıyla 291, 389, 760 ve 760'tır; zero-warning iddiası değildir.",
      "Birleşik board-rpi5,board-qemu özellikleri iki koşuda beklenen exit 101, 18590 B / eece992b ve 17 error header ile fail-closed kaldı; S283 writer boundary'si iki board profilinin birlikte etkinleşmesini açmaz.",
      "S238–S283 dependency matrisi iki koşuda 47 grup / 629/629 PASS; ham loglar byte-equal 6032 B / SHA-256 cb6020d2dfc29d8eff1f4ecd7f131efa3fe22b5960f30557289004780b3ef580, süre-normalize özet 6126 B / 179a43b1b75af212edc107b64eee0fbc5b14798807d9590f860347b3eeb725be. Bu production writer-authority invocation kanıtı değildir.",
      "Ortak make verify-qemu iki koşuda PASS verdi: 116222 B / e57131a5 ve 116139 B / 366691d5; 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 S283 production writer invocation kanıtı değildir.",
      "Exact yedi tarihsel G8h assertion adlarıyla dışlandığında workspace iki koşuda 245 sonuç grubu / 2402 PASS / 7 filtered verdi: ham loglar 59306 B, süre-normalize 23646 B özet byte-equal / SHA-256 73435677efee0ac9a8c2f3ac85e6642229cd9ef5a777deb5ccfd4b5a0a23555d. Filtresiz koşu exit 101, 54528 B / b2c76a67 ile frozen S96 exceptions.S identity kapısında RED kaldı; full-workspace GREEN iddia edilmez.",
      "S283 production exclusive wrapper, provider authority, whole-scheduler exclusion, QEMU runtime fixture veya scheduler mutation iddiası eklemez; physical/device operations=0 ve RUNBOOK_EXECUTED_IN_S283=NO.",
    ],
    commands: [
      "cargo test --quiet -p aselsan_microkernel_simulation --test g8l_target_dispatch_scheduler_owner_scheduler_mutation_production_migration_lifecycle_s283_endpoint_grant_revoke_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-s283-endpoint-grant-revoke-writer-authority-audit",
        title: "G8l S283 endpoint-grant revoke writer-authority audit",
        commandLines: [
          "cargo test --quiet -p aselsan_microkernel_simulation --test g8l_target_dispatch_scheduler_owner_scheduler_mutation_production_migration_lifecycle_s283_endpoint_grant_revoke_writer_authority_audit -- --test-threads=1",
        ],
        outputLines: [
          "test result: ok; S283 focused 1 group / 15 passed; 0 failed",
          "repeat-stable quiet output: 130 B / 0447f2fe9dc6fdf30815a6962cf23d978425e51bef2acde1efb27e5da13a78b3",
          "endpoint-grant revoke writer authority remains model-only: reader blocks exclusive lease; 69 production writer sites remain open",
          "dependency: S238–S283 · 47 groups · 629/629 PASS; workspace: 245 groups · 2402 PASS · 7 historical filtered",
        ],
        exitCode: 0,
        outputMode: "selected",
      },
    ],
    terminalSessionsNote:
      "S283 kaynak/model fail-closed authority boundary'sidir; production writer guard, QEMU fixture mutation ve fiziksel/device execution claim edilmez.",
    limitations: [
      "S283 yalnız revoke_endpoint_grant writer orchestration sınırını audit eder; 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–S283 dependency matrisi exact 47 grup / 629/629 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; S283 physical/device operations=0 ve RUNBOOK_EXECUTED_IN_S283=NO.",
    ],
  },