G8l: QEMU S136 exact-ACK writer-authority audit

pub const S325_WRITER_BOUNDARY_SITES: usize = 1;
pub const S325_WRITER_AUTHORITY_SITES: usize = 0;
pub const S325_MAIN_EXPLICIT_WRITER_SITES: usize = 17;
pub const S325_MAIN_PREVIOUSLY_AUDITED_WRITER_SITES: usize = 15;
pub const S325_MAIN_REMAINING_UNAUDITED_WRITER_SITES: usize = 1;
pub const S325_S136_EXPLICIT_WRITER_SITES: usize = 2;
pub const S325_S136_REMAINING_UNAUDITED_WRITER_SITES: usize = 1;
pub const S325_DIRECT_SCHEDULER_ACCESS_SITES: usize = S324_DIRECT_SCHEDULER_ACCESS_SITES;
pub const S325_IMMUTABLE_READ_SITES: usize = S324_IMMUTABLE_READ_SITES;
pub const S325_WHOLE_SCHEDULER_GUARDED_SITES: usize = S324_WHOLE_SCHEDULER_GUARDED_SITES;
pub const S325_WHOLE_SCHEDULER_UNROUTED_SITES: usize = S324_WHOLE_SCHEDULER_UNROUTED_SITES;
pub const S325_OPEN_WRITER_SITES: usize = S324_OPEN_WRITER_SITES;

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum G8lS325SchedulerWriterAuthorityAuditOutcome {
    Idle,
    AwaitingWriterAuthority {
        request_id: u64,
        guarded_sites: usize,
        writer_sites: usize,
    },
}

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum G8lS325SchedulerWriterAuthorityAuditError {
    S324(G8lS324SchedulerWriterAuthorityAuditError),
    S245(G8lS245ExclusionAdmissionRequestError),
    PriorCoverageDrift {
        guarded_sites: usize,
        unrouted_sites: usize,
    },
}

pub fn preflight_s325_scheduler_writer_authority(
    caller_cpu: usize,
    request: Option<G8lS245WholeSchedulerExclusionAdmissionRequestView>,
) -> Result<G8lS325SchedulerWriterAuthorityAuditOutcome, G8lS325SchedulerWriterAuthorityAuditError>
{
    match preflight_s324_scheduler_writer_authority(caller_cpu, request)
        .map_err(G8lS325SchedulerWriterAuthorityAuditError::S324)?
    {
        G8lS324SchedulerWriterAuthorityAuditOutcome::Idle => {
            Ok(G8lS325SchedulerWriterAuthorityAuditOutcome::Idle)
        }
        G8lS324SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
            request_id,
            guarded_sites,
            writer_sites,
        } if guarded_sites == S325_WHOLE_SCHEDULER_GUARDED_SITES
            && writer_sites == S325_OPEN_WRITER_SITES =>
        {
            Ok(
                G8lS325SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
                    request_id,
                    guarded_sites,
                    writer_sites,
                },
            )
        }
        G8lS324SchedulerWriterAuthorityAuditOutcome::AwaitingWriterAuthority {
            guarded_sites,
            ..
        } => Err(
            G8lS325SchedulerWriterAuthorityAuditError::PriorCoverageDrift {
                guarded_sites,
                unrouted_sites: S325_DIRECT_SCHEDULER_ACCESS_SITES - guarded_sites,
            },
        ),
    }
}

#[test]
fn s325_inventory_is_open_and_narrow() {
    assert_eq!(S325_WRITER_BOUNDARY_SITES, 1);
    assert_eq!(S325_WRITER_AUTHORITY_SITES, 0);
    assert_eq!(S325_DIRECT_SCHEDULER_ACCESS_SITES, 113);
    assert_eq!(S325_IMMUTABLE_READ_SITES, 44);
    assert_eq!(S325_WHOLE_SCHEDULER_GUARDED_SITES, 44);
    assert_eq!(S325_WHOLE_SCHEDULER_UNROUTED_SITES, 69);
    assert_eq!(S325_OPEN_WRITER_SITES, 69);
}

  {
    id: "g8l-s325-qemu-s136-exact-ack-writer-authority-audit-partial",
    date: "2026-08-27",
    sequence: 325,
    status: "passed",
    umbrella_status: "partial",
    title: "G8l: QEMU S136 exact-ACK writer-authority audit",
    summary:
      "S325 focused 15/15 PASS ile S136 içindeki iki ipc_kernel_call_and_wait aliasından daha sonraki exact-ACK CALL sınırını doğrular. Önceki stale ACK, canlı endpoint/authority zarfı, supervisor RECV ve aynı IRQ/IPC transaction helper sırası korunur; writer authority yalnız model-level exclusive lease'tir. main.rs 17 explicit writer / 15 previously audited / 1 remaining unaudited; S136 işlevi 2 / 1; 69 open writer.",
    evidence: [
      "S325 focused kaynak/model kapısı iki bağımsız koşuda 15/15 PASS verdi: 130 B / SHA-256 0447f2fe9dc6fdf30815a6962cf23d978425e51bef2acde1efb27e5da13a78b3.",
      "main.rs explicit writer envanteri 17; 15 previously audited, 1 remaining unaudited. S136 explicit aliasları 2 ve S325 hedefi daha sonraki exact-ACK aliasıdır; S136'da 1 alias kalır.",
      "S324 preflight zinciri, pending S245 request ve 113 direct / 44 immutable guarded / 69 open writer envanteri değişmeden korunur.",
      "Production exclusive wrapper, provider authority, whole-scheduler exclusion, scheduler mutation, QEMU fixture mutation ve fiziksel/device execution iddia edilmez; physical/device operations=0 ve RUNBOOK_EXECUTED_IN_S325=NO.",
    ],
    commands: [
      "cargo test --quiet -p aselsan_microkernel_simulation --test g8l_target_dispatch_scheduler_owner_scheduler_mutation_production_migration_lifecycle_s325_qemu_s136_exact_ack_writer_authority_audit -- --test-threads=1",
    ],
    terminalSessions: [
      {
        id: "g8l-s325-qemu-s136-exact-ack-writer-authority-audit",
        title: "G8l S325 QEMU S136 exact-ACK writer-authority audit",
        commandLines: [
          "cargo test --quiet -p aselsan_microkernel_simulation --test g8l_target_dispatch_scheduler_owner_scheduler_mutation_production_migration_lifecycle_s325_qemu_s136_exact_ack_writer_authority_audit -- --test-threads=1",
        ],
        outputLines: [
          "test result: ok; S325 focused 1 group / 15 passed; 0 failed",
          "repeat-stable quiet output: 130 B / 0447f2fe9dc6fdf30815a6962cf23d978425e51bef2acde1efb27e5da13a78b3",
          "S136 exact-ACK writer remains model-only; stale ACK precedes exact ACK and one S136 alias remains open",
        ],
        exitCode: 0,
        outputMode: "selected",
      },
    ],
    terminalSessionsNote:
      "S325 dar kaynak/model fail-closed authority boundary'sidir; global umbrella PARTIAL kalır.",
    limitations: [
      "S136 içindeki bir explicit alias ve main.rs içindeki toplam 1 unaudited alias açık kalır.",
      "Tüm 69 production writer sitesi gerçek writer authority wrapper dışında açıktır.",
      "Supported-profile writer runtime, Generic SMP, fiziksel RPi ve global reconciliation kapıları açık kalır.",
    ],
  },