prism-inference 0.1.23

Bounded Rust CPU inference and tokenization for Prism-compatible GGUF models
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name: Runtime conformance
on:
  workflow_dispatch:
    inputs:
      prism_benchmarks:
        description: Run the ported Prism benchmark workloads on Windows ARM64
        type: boolean
        default: false
      prism_gradients:
        description: Include optional gradient mode; pinned upstream has unsupported backward operations
        type: boolean
        default: false
permissions:
  contents: read
  actions: read
env:
  # Checkout timestamps change on every runner. Reuse compiled Rust only when
  # Cargo verifies the source contents, while every check and test still runs.
  CARGO_UNSTABLE_CHECKSUM_FRESHNESS: 'true'
  CARGO_BUILD_FINGERPRINT: content
  # Execution can use finer partitions than the unchanged 16-part planning
  # proof. Keep this in sync with the prism-backend-run matrix below.
  PRISM_BACKEND_EXECUTION_COUNT: '32'
concurrency:
  # Full source/reference qualification is an explicit release/diagnostic request.
  # Routine pushes use runtime-regression.yml and never satisfy this full gate.
  group: runtime-conformance-${{ github.ref }}-${{ github.run_id }}
  cancel-in-progress: false
jobs:
  changes:
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-24.04-arm
    timeout-minutes: 5
    outputs:
      plan: ${{ steps.impact.outputs.plan }}
      conformance: ${{ steps.impact.outputs.conformance }}
      codec: ${{ steps.impact.outputs.codec }}
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
          fetch-depth: 0
      - name: Verify affected-crate selection and aggregate-gate contracts
        shell: bash
        run: python3 -B -m unittest discover -s .github/ci -p 'test_*.py'
      - name: Select affected runtime conformance groups
        id: impact
        shell: bash
        env:
          BEFORE: ${{ github.event.before }}
          GITHUB_TOKEN: ${{ github.token }}
        run: python3 .github/ci/impact.py --before "$BEFORE" --after "$GITHUB_SHA" --workflow runtime-conformance.yml
  prism-upstream:
    name: prism-upstream / ${{ matrix.partition }}
    if: github.ref == 'refs/heads/main' && needs.changes.outputs.conformance == 'true'
    needs: [changes, prism-backend-tools]
    runs-on: windows-11-arm
    timeout-minutes: 330
    strategy:
      fail-fast: false
      matrix:
        partition: [0, 1, 3]
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - name: Build local conformance policy for ordinary source partitions
        uses: ./.github/actions/conformance-policy
      - name: Reuse the pinned upstream archive
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ runner.temp }}/SwiftBonsai-PrismUpstreamDownloads
          key: prism-upstream-download-v1-${{ runner.os }}-${{ hashFiles('tools/prism/source.lock.json') }}
      - name: Download revision-bound common production tools
        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          name: prism-backend-tools
          path: ${{ runner.temp }}/prism-backend-tools
      - name: Reuse hash-locked tokenizer and LoRA download inputs
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ runner.temp }}/SwiftBonsai-PrismFixtureDownloads
          key: prism-fixtures-v1-source-${{ matrix.partition }}-${{ hashFiles('tests/upstream_prism/tokenizer-reference-assets.json', 'tests/upstream_prism/tokenizer-repository-assets.json', 'tests/upstream_prism/lora-assets.json') }}
      - name: Run safe Rust conformance on upstream and Rust
        shell: pwsh
        working-directory: ${{ runner.temp }}
        env:
          SOURCE_PARTITION: ${{ matrix.partition }}
          # DSpark's unchanged native session passes in isolation; avoid
          # overlapping it with the other heavy partition-three adapters.
          PRISM_CASE_PARALLEL: ${{ matrix.partition == 3 && '1' || '4' }}
        run: |
          Set-StrictMode -Version Latest
          $ErrorActionPreference = 'Stop'
          $PSNativeCommandUseErrorActionPreference = $true
          $evidence = Join-Path $env:RUNNER_TEMP ('SwiftBonsai-PrismUpstream-' + [guid]::NewGuid().ToString('N'))
          "PRISM_UPSTREAM_EVIDENCE=$evidence" >> $env:GITHUB_ENV
          Import-Module (Join-Path $env:GITHUB_WORKSPACE 'scripts/Bonsai.Common.psm1')
          Import-Module (Join-Path $env:GITHUB_WORKSPACE 'scripts/Bonsai.PrismSource.psm1')
          $inference = Resolve-PrismSource
          $lock = Get-Content -LiteralPath (Join-Path $inference 'tools/prism/source.lock.json') -Raw | ConvertFrom-Json
          $downloads = Join-Path $env:RUNNER_TEMP 'SwiftBonsai-PrismUpstreamDownloads'
          [void][IO.Directory]::CreateDirectory($downloads)
          $archive = Join-Path $downloads ("prism-$($lock.ArchiveSha256).zip")
          $null = Receive-LockedArtifact -Uri $lock.ArchiveUrl -Path $archive -Bytes $lock.ArchiveBytes -Sha256 $lock.ArchiveSha256 -TimeoutSeconds 600
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismUpstream.ps1') -SourceArchive $archive -EvidenceDirectory $evidence -TargetDirectory (Join-Path $env:RUNNER_TEMP 'SwiftBonsai-PrismUpstreamRust') -CommonToolsBundleDirectory (Join-Path $env:RUNNER_TEMP 'prism-backend-tools') -AssetCacheDirectory (Join-Path $env:RUNNER_TEMP 'SwiftBonsai-PrismFixtureDownloads') -Generator 'Visual Studio 18 2026' -NativePlatform ARM64 -Toolchain nightly-2026-11-09-aarch64-pc-windows-msvc -Parallel 4 -CaseParallel ([int]$env:PRISM_CASE_PARALLEL) -DeferBackend -SourcePartition ([int]$env:SOURCE_PARTITION) | ConvertTo-Json -Depth 12
      - name: Publish ordinary source results for the complete gate
        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        with:
          name: prism-ordinary-results-${{ matrix.partition }}
          path: |
            ${{ env.PRISM_UPSTREAM_EVIDENCE }}/cpp-results.json
            ${{ env.PRISM_UPSTREAM_EVIDENCE }}/rust-results.json
            ${{ env.PRISM_UPSTREAM_EVIDENCE }}/receipt.json
          if-no-files-found: error
      - name: Run explicitly requested safe Rust benchmark workloads
        if: matrix.partition == 3 && github.event_name == 'workflow_dispatch' && inputs.prism_benchmarks
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          Set-StrictMode -Version Latest
          $ErrorActionPreference = 'Stop'
          Import-Module (Join-Path $env:GITHUB_WORKSPACE 'scripts/Bonsai.Native.psm1')
          $receipt = Get-Content -LiteralPath (Join-Path $env:PRISM_UPSTREAM_EVIDENCE 'receipt.json') -Raw | ConvertFrom-Json
          $bridge = @($receipt.NativeBuilds | Where-Object { $_.Family -ceq 'common' })
          if ($receipt.Status -cnotin @('complete','awaiting-backend') -or $bridge.Count -ne 1) { throw 'Benchmark requires the settled reference build.' }
          foreach ($benchmark in @('peg-deserialize', 'sampling', 'chat-peg')) {
            foreach ($target in @('cpp', 'rust')) {
              $output = Join-Path $env:PRISM_UPSTREAM_EVIDENCE "$benchmark-$target-benchmark.json"
              $arguments = @('--target', $target, '--benchmark', $benchmark, '--output', $output)
              if ($target -eq 'cpp') { $arguments += @('--common-bridge', $bridge[0].Executable, '--evidence-directory', (Join-Path $env:PRISM_UPSTREAM_EVIDENCE "$benchmark-benchmark-bridge")) }
              $result = Invoke-BonsaiNativeProcess -Executable $receipt.HarnessExecutable -ArgumentList $arguments -WorkingDirectory $env:PRISM_UPSTREAM_EVIDENCE -TimeoutSeconds 300 -LogPath (Join-Path $env:PRISM_UPSTREAM_EVIDENCE "$benchmark-$target-benchmark.log")
              if ($result.ExitCode -ne 0) { throw "Benchmark infrastructure failed for $target." }
              $report = Get-Content -LiteralPath $output -Raw | ConvertFrom-Json
              if ($report.Measure -cne 'benchmark-workloads' -or $report.Cases.Count -ne 1 -or ($target -eq 'cpp' -and $report.Cases[0].Status -cne 'measured')) { throw 'Benchmark workload report is incomplete.' }
              ($report | ConvertTo-Json -Depth 8) >> $env:GITHUB_STEP_SUMMARY
            }
          }
      - name: Summarize imported Prism coverage
        if: always() && env.PRISM_UPSTREAM_EVIDENCE != ''
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          $report = Join-Path $env:PRISM_UPSTREAM_EVIDENCE 'report.json'
          if (Test-Path -LiteralPath $report) {
            $result = Get-Content -LiteralPath $report -Raw | ConvertFrom-Json
            '### Pinned Prism conformance baseline' >> $env:GITHUB_STEP_SUMMARY
            'Coverage unit: upstream test source files. Unsupported files count against the green fraction; this is not an assertion-level pass rate.' >> $env:GITHUB_STEP_SUMMARY
            ($result.Summary | ConvertTo-Json -Depth 8) >> $env:GITHUB_STEP_SUMMARY
            '' >> $env:GITHUB_STEP_SUMMARY
            '| Source | Rust | C++ control | Detail |' >> $env:GITHUB_STEP_SUMMARY
            '| --- | --- | --- | --- |' >> $env:GITHUB_STEP_SUMMARY
            foreach ($case in $result.Cases) {
              $detail = ([string]$case.Detail).Replace('|', '/').Replace("`n", ' ').Replace("`r", ' ')
              "| $($case.Id) | $($case.Status) | $($case.ReferenceStatus) | $detail |" >> $env:GITHUB_STEP_SUMMARY
            }
          } else {
            'Prism import did not produce a complete report; inspect retained build/command logs.' >> $env:GITHUB_STEP_SUMMARY
          }
      - name: Pack every Prism outcome and build diagnostic
        if: always() && env.PRISM_UPSTREAM_EVIDENCE != ''
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          $archive = Join-Path $env:RUNNER_TEMP 'prism-upstream-${{ matrix.partition }}-${{ github.sha }}-${{ github.run_id }}.zip'
          & (Join-Path $env:GITHUB_WORKSPACE 'scripts/Compress-PrismEvidence.ps1') -EvidenceDirectory $env:PRISM_UPSTREAM_EVIDENCE -ArchivePath $archive -EvidenceKind Ordinary | ConvertTo-Json
          "PRISM_UPSTREAM_ARCHIVE=$archive" >> $env:GITHUB_ENV
      - name: Retain every Prism outcome and build diagnostic
        if: always() && env.PRISM_UPSTREAM_ARCHIVE != ''
        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        with:
          path: ${{ env.PRISM_UPSTREAM_ARCHIVE }}
          if-no-files-found: error
          # Stream one precompressed file instead of a JS ZIP entry per request.
          archive: false
  prism-upstream-grammar:
    name: prism-upstream / ${{ matrix.partition }}
    if: github.ref == 'refs/heads/main' && needs.changes.outputs.conformance == 'true'
    needs: changes
    runs-on: windows-11-arm
    timeout-minutes: 330
    strategy:
      fail-fast: false
      matrix:
        partition: [2]
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - name: Build local conformance policy for source regressions
        uses: ./.github/actions/conformance-policy
      - name: Verify the native acceptance host and identify the Rust cache
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          Set-StrictMode -Version Latest
          $ErrorActionPreference = 'Stop'
          $PSNativeCommandUseErrorActionPreference = $true
          if (-not $IsWindows -or [Runtime.InteropServices.RuntimeInformation]::ProcessArchitecture -ne [Runtime.InteropServices.Architecture]::Arm64) { throw 'Prism acceptance requires native Windows ARM64.' }
          $identity = rustc +nightly-2026-11-09-aarch64-pc-windows-msvc -vV
          if ($identity -notcontains 'host: aarch64-pc-windows-msvc') { throw 'Expected native Windows ARM64 Rust.' }
          $identity
          $vswhere = Join-Path ${env:ProgramFiles(x86)} 'Microsoft Visual Studio/Installer/vswhere.exe'
          if (-not [IO.File]::Exists($vswhere)) { throw 'Visual Studio Installer discovery is required for the ClangCL toolset.' }
          $visualStudio = (& $vswhere -latest -products '*' -version '[18.0,19.0)' -requires Microsoft.VisualStudio.Component.VC.Llvm.Clang -property installationPath | Out-String).Trim()
          if (-not $visualStudio -or -not [IO.Directory]::Exists($visualStudio)) { throw 'Visual Studio 2026 with the LLVM Clang component is required for ARM64 ggml.' }
          "Native C++ acceptance uses Visual Studio 2026 ClangCL ARM64: $visualStudio"
          "PRISM_UPSTREAM_CACHE_HOST=$env:ImageOS-$env:ImageVersion-$([Environment]::OSVersion.Version)" >> $env:GITHUB_ENV
          $visualStudioVersion = (& $vswhere -latest -products '*' -version '[18.0,19.0)' -requires Microsoft.VisualStudio.Component.VC.Llvm.Clang -property installationVersion | Out-String).Trim()
          $msvcVersion = (Get-Content -LiteralPath (Join-Path $visualStudio 'VC/Auxiliary/Build/Microsoft.VCToolsVersion.default.txt') -Raw).Trim()
          $llvmCompilers = @(Get-ChildItem -LiteralPath (Join-Path $visualStudio 'VC/Tools/Llvm') -Recurse -File -Filter clang-cl.exe)
          if (-not $llvmCompilers.Count) { throw 'The pinned Visual Studio LLVM compiler is missing.' }
          $llvmIdentity = @($llvmCompilers | Sort-Object FullName | ForEach-Object { "$($_.FullName):$((Get-FileHash -LiteralPath $_.FullName -Algorithm SHA256).Hash)" }) -join ';'
          $cmakeVersion = cmake --version | Out-String
          $nativeIdentity = "$env:ImageOS-$env:ImageVersion-$([Environment]::OSVersion.Version)-$visualStudioVersion-$msvcVersion-$llvmIdentity-$cmakeVersion"
          $nativeDigest = [Convert]::ToHexStringLower([Security.Cryptography.SHA256]::HashData([Text.Encoding]::UTF8.GetBytes($nativeIdentity)))
          "PRISM_UPSTREAM_NATIVE_HOST=$nativeDigest" >> $env:GITHUB_ENV
      # Tests and evidence are always fresh. Verified source and native bridge
      # outputs can survive checkout timestamps in a stable external directory.
      - name: Reuse the pinned upstream archive
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ runner.temp }}/SwiftBonsai-PrismUpstreamDownloads
          key: prism-upstream-download-v1-${{ runner.os }}-${{ hashFiles('tools/prism/source.lock.json') }}
      - name: Reuse shared-assertion Rust dependencies and build artifacts
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: |
            ~/.cargo/registry/index
            ~/.cargo/registry/cache
            ${{ runner.temp }}/SwiftBonsai-PrismUpstreamRust
          key: prism-upstream-rust-v3-${{ runner.os }}-${{ runner.arch }}-${{ env.PRISM_UPSTREAM_CACHE_HOST }}-nightly-2026-11-09-${{ hashFiles('Cargo.toml', 'Cargo.lock', 'tools/prism/source.lock.json') }}-${{ hashFiles('src/**', 'tests/upstream_prism/**', 'tests/fixtures/**', 'tools/ternary/**', 'tools/gguf/**', 'tools/prism/src/**', 'tools/prism/build.rs', 'tools/prism/Cargo.toml', 'rust-toolchain.toml', '.cargo/**') }}-content-v2
          restore-keys: |
            prism-upstream-rust-v3-${{ runner.os }}-${{ runner.arch }}-${{ env.PRISM_UPSTREAM_CACHE_HOST }}-nightly-2026-11-09-
      - name: Reuse exact pinned upstream native builds
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ runner.temp }}/SwiftBonsai-PrismUpstreamNative
          # Orchestration changes can reuse the same native source/compiler tree.
          # Never restore across source pins, adapter code or compiler identities;
          # source verification and CMake still run before every correctness test.
          key: prism-upstream-native-v2-${{ runner.os }}-${{ runner.arch }}-${{ env.PRISM_UPSTREAM_NATIVE_HOST }}-vs18-clangcl-arm64-${{ hashFiles('tools/prism/source.lock.json') }}-source-${{ matrix.partition }}-${{ hashFiles('tools/prism/upstream/**/CMakeLists.txt', 'tools/prism/upstream/**/*.cmake', 'tools/prism/upstream/**/*.c', 'tools/prism/upstream/**/*.cpp', 'tools/prism/upstream/**/*.h', 'tools/prism/upstream/**/*.hpp', 'tools/prism/upstream/**/*.inc', 'tools/prism/upstream/**/*.rs', 'tools/prism/upstream/patches/**', 'tools/prism/upstream/reference-patches.lock.json', 'tools/prism/upstream/llguidance.lock.json', 'tests/Test-PrismUpstream.ps1', 'scripts/Bonsai.PrismNativeCache.psm1', 'scripts/Bonsai.PrismGrammar.psm1', 'scripts/Bonsai.PrismReferencePatch.psm1') }}
      - name: Run safe Rust conformance on upstream and Rust
        shell: pwsh
        working-directory: ${{ runner.temp }}
        env:
          SOURCE_PARTITION: ${{ matrix.partition }}
        run: |
          Set-StrictMode -Version Latest
          $ErrorActionPreference = 'Stop'
          $PSNativeCommandUseErrorActionPreference = $true
          $evidence = Join-Path $env:RUNNER_TEMP ('SwiftBonsai-PrismUpstream-' + [guid]::NewGuid().ToString('N'))
          "PRISM_UPSTREAM_EVIDENCE=$evidence" >> $env:GITHUB_ENV
          Import-Module (Join-Path $env:GITHUB_WORKSPACE 'scripts/Bonsai.Common.psm1')
          Import-Module (Join-Path $env:GITHUB_WORKSPACE 'scripts/Bonsai.PrismSource.psm1')
          $inference = Resolve-PrismSource
          $lock = Get-Content -LiteralPath (Join-Path $inference 'tools/prism/source.lock.json') -Raw | ConvertFrom-Json
          $downloads = Join-Path $env:RUNNER_TEMP 'SwiftBonsai-PrismUpstreamDownloads'
          [void][IO.Directory]::CreateDirectory($downloads)
          $archive = Join-Path $downloads ("prism-$($lock.ArchiveSha256).zip")
          $null = Receive-LockedArtifact -Uri $lock.ArchiveUrl -Path $archive -Bytes $lock.ArchiveBytes -Sha256 $lock.ArchiveSha256 -TimeoutSeconds 600
          cargo +nightly-2026-11-09-aarch64-pc-windows-msvc fetch --locked --manifest-path (Join-Path $inference 'Cargo.toml')
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismEvidence.ps1') -Case Ordinary
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismEvidence.ps1') -Case Backend
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismNativeCache.ps1')
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismFixtureCache.ps1')
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismSourcePartition.ps1')
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismSourceResults.ps1')
          foreach ($case in @('Scheduling', 'Identity', 'ProcessFailure')) {
            & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismRunner.ps1') -Case $case
          }
          foreach ($case in @('Scheduling', 'ProcessFailure')) {
            & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismTaskRunner.ps1') -Case $case
          }
          foreach ($case in @('Catalog', 'Ratchet', 'Evidence')) {
            & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismBaseline.ps1') -Case $case
          }
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismUpstream.ps1') -SourceArchive $archive -EvidenceDirectory $evidence -TargetDirectory (Join-Path $env:RUNNER_TEMP 'SwiftBonsai-PrismUpstreamRust') -NativeBuildDirectory (Join-Path $env:RUNNER_TEMP 'SwiftBonsai-PrismUpstreamNative') -Generator 'Visual Studio 18 2026' -NativePlatform ARM64 -Toolchain nightly-2026-11-09-aarch64-pc-windows-msvc -Parallel 4 -CaseParallel 2 -DeferBackend -SourcePartition ([int]$env:SOURCE_PARTITION) | ConvertTo-Json -Depth 12
      - name: Publish ordinary source results for the complete gate
        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        with:
          name: prism-ordinary-results-${{ matrix.partition }}
          path: |
            ${{ env.PRISM_UPSTREAM_EVIDENCE }}/cpp-results.json
            ${{ env.PRISM_UPSTREAM_EVIDENCE }}/rust-results.json
            ${{ env.PRISM_UPSTREAM_EVIDENCE }}/receipt.json
          if-no-files-found: error
      - name: Summarize imported Prism coverage
        if: always() && env.PRISM_UPSTREAM_EVIDENCE != ''
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          $report = Join-Path $env:PRISM_UPSTREAM_EVIDENCE 'report.json'
          if (Test-Path -LiteralPath $report) {
            $result = Get-Content -LiteralPath $report -Raw | ConvertFrom-Json
            '### Pinned Prism conformance baseline' >> $env:GITHUB_STEP_SUMMARY
            'Coverage unit: upstream test source files. Unsupported files count against the green fraction; this is not an assertion-level pass rate.' >> $env:GITHUB_STEP_SUMMARY
            ($result.Summary | ConvertTo-Json -Depth 8) >> $env:GITHUB_STEP_SUMMARY
            '' >> $env:GITHUB_STEP_SUMMARY
            '| Source | Rust | C++ control | Detail |' >> $env:GITHUB_STEP_SUMMARY
            '| --- | --- | --- | --- |' >> $env:GITHUB_STEP_SUMMARY
            foreach ($case in $result.Cases) {
              $detail = ([string]$case.Detail).Replace('|', '/').Replace("`n", ' ').Replace("`r", ' ')
              "| $($case.Id) | $($case.Status) | $($case.ReferenceStatus) | $detail |" >> $env:GITHUB_STEP_SUMMARY
            }
          } else {
            'Prism import did not produce a complete report; inspect retained build/command logs.' >> $env:GITHUB_STEP_SUMMARY
          }
      - name: Pack every Prism outcome and build diagnostic
        if: always() && env.PRISM_UPSTREAM_EVIDENCE != ''
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          $archive = Join-Path $env:RUNNER_TEMP 'prism-upstream-${{ matrix.partition }}-${{ github.sha }}-${{ github.run_id }}.zip'
          & (Join-Path $env:GITHUB_WORKSPACE 'scripts/Compress-PrismEvidence.ps1') -EvidenceDirectory $env:PRISM_UPSTREAM_EVIDENCE -ArchivePath $archive -EvidenceKind Ordinary | ConvertTo-Json
          "PRISM_UPSTREAM_ARCHIVE=$archive" >> $env:GITHUB_ENV
      - name: Retain every Prism outcome and build diagnostic
        if: always() && env.PRISM_UPSTREAM_ARCHIVE != ''
        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        with:
          path: ${{ env.PRISM_UPSTREAM_ARCHIVE }}
          if-no-files-found: error
          # Stream one precompressed file instead of a JS ZIP entry per request.
          archive: false
  # Backend planning needs compiled production tools, not ordinary-source
  # verdicts. Prepare the checked bundle independently so all backend partitions
  # can overlap the exhaustive tokenizer, grammar and model workloads.
  prism-backend-tools:
    if: github.ref == 'refs/heads/main' && needs.changes.outputs.conformance == 'true'
    needs: changes
    runs-on: windows-11-arm
    timeout-minutes: 35
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - name: Reuse the pinned native Windows ARM64 Rust compiler
        uses: ./.github/actions/rust-toolchain
        with:
          toolchain: nightly-2026-11-09-aarch64-pc-windows-msvc
      - name: Identify the backend build host
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          Set-StrictMode -Version Latest
          $ErrorActionPreference = 'Stop'
          $PSNativeCommandUseErrorActionPreference = $true
          if (-not $IsWindows -or [Runtime.InteropServices.RuntimeInformation]::ProcessArchitecture -ne [Runtime.InteropServices.Architecture]::Arm64) { throw 'Prism acceptance requires native Windows ARM64.' }
          $identity = rustc +nightly-2026-11-09-aarch64-pc-windows-msvc -vV
          if ($identity -notcontains 'host: aarch64-pc-windows-msvc') { throw 'Expected native Windows ARM64 Rust.' }
          $vswhere = Join-Path ${env:ProgramFiles(x86)} 'Microsoft Visual Studio/Installer/vswhere.exe'
          if (-not [IO.File]::Exists($vswhere)) { throw 'Visual Studio Installer discovery is required for the ClangCL toolset.' }
          $visualStudio = (& $vswhere -latest -products '*' -version '[18.0,19.0)' -requires Microsoft.VisualStudio.Component.VC.Llvm.Clang -property installationPath | Out-String).Trim()
          if (-not $visualStudio -or -not [IO.Directory]::Exists($visualStudio)) { throw 'Visual Studio 2026 with the LLVM Clang component is required for ARM64 ggml.' }
          "Native C++ acceptance uses Visual Studio 2026 ClangCL ARM64: $visualStudio"
          "PRISM_UPSTREAM_CACHE_HOST=$env:ImageOS-$env:ImageVersion-$([Environment]::OSVersion.Version)" >> $env:GITHUB_ENV
          $visualStudioVersion = (& $vswhere -latest -products '*' -version '[18.0,19.0)' -requires Microsoft.VisualStudio.Component.VC.Llvm.Clang -property installationVersion | Out-String).Trim()
          $msvcVersion = (Get-Content -LiteralPath (Join-Path $visualStudio 'VC/Auxiliary/Build/Microsoft.VCToolsVersion.default.txt') -Raw).Trim()
          $llvmCompilers = @(Get-ChildItem -LiteralPath (Join-Path $visualStudio 'VC/Tools/Llvm') -Recurse -File -Filter clang-cl.exe)
          if (-not $llvmCompilers.Count) { throw 'The pinned Visual Studio LLVM compiler is missing.' }
          $llvmIdentity = @($llvmCompilers | Sort-Object FullName | ForEach-Object { "$($_.FullName):$((Get-FileHash -LiteralPath $_.FullName -Algorithm SHA256).Hash)" }) -join ';'
          $cmakeVersion = cmake --version | Out-String
          $nativeIdentity = "$env:ImageOS-$env:ImageVersion-$([Environment]::OSVersion.Version)-$visualStudioVersion-$msvcVersion-$llvmIdentity-$cmakeVersion"
          $nativeDigest = [Convert]::ToHexStringLower([Security.Cryptography.SHA256]::HashData([Text.Encoding]::UTF8.GetBytes($nativeIdentity)))
          "PRISM_UPSTREAM_NATIVE_HOST=$nativeDigest" >> $env:GITHUB_ENV
      - name: Reuse the pinned upstream archive
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ runner.temp }}/SwiftBonsai-PrismUpstreamDownloads
          key: prism-upstream-download-v1-${{ runner.os }}-${{ hashFiles('tools/prism/source.lock.json') }}
      - name: Reuse shared-assertion Rust dependencies and build artifacts
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: |
            ~/.cargo/registry/index
            ~/.cargo/registry/cache
            ${{ runner.temp }}/SwiftBonsai-PrismUpstreamRust
          key: prism-backend-tools-rust-v1-${{ runner.os }}-${{ runner.arch }}-${{ env.PRISM_UPSTREAM_CACHE_HOST }}-nightly-2026-11-09-${{ hashFiles('Cargo.toml', 'Cargo.lock', 'tools/prism/source.lock.json') }}-${{ hashFiles('src/**', 'tests/upstream_prism/**', 'tests/fixtures/**', 'tools/ternary/**', 'tools/gguf/**', 'tools/prism/src/**', 'tools/prism/build.rs', 'tools/prism/Cargo.toml', 'rust-toolchain.toml', '.cargo/**') }}-content-v2
          restore-keys: |
            prism-backend-tools-rust-v1-${{ runner.os }}-${{ runner.arch }}-${{ env.PRISM_UPSTREAM_CACHE_HOST }}-nightly-2026-11-09-
            prism-upstream-rust-v3-${{ runner.os }}-${{ runner.arch }}-${{ env.PRISM_UPSTREAM_CACHE_HOST }}-nightly-2026-11-09-
      - name: Reuse exact pinned upstream native builds
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ runner.temp }}/SwiftBonsai-PrismUpstreamNative
          # Orchestration changes can reuse the same native source/compiler tree.
          # Never restore across source pins, adapter code or compiler identities;
          # source verification and CMake still run before every correctness test.
          key: prism-upstream-native-v2-${{ runner.os }}-${{ runner.arch }}-${{ env.PRISM_UPSTREAM_NATIVE_HOST }}-vs18-clangcl-arm64-${{ hashFiles('tools/prism/source.lock.json') }}-backend-tools-${{ hashFiles('tools/prism/upstream/**/CMakeLists.txt', 'tools/prism/upstream/**/*.cmake', 'tools/prism/upstream/**/*.c', 'tools/prism/upstream/**/*.cpp', 'tools/prism/upstream/**/*.h', 'tools/prism/upstream/**/*.hpp', 'tools/prism/upstream/**/*.inc', 'tools/prism/upstream/**/*.rs', 'tools/prism/upstream/patches/**', 'tools/prism/upstream/reference-patches.lock.json', 'tools/prism/upstream/llguidance.lock.json', 'tests/Test-PrismUpstream.ps1', 'scripts/Bonsai.PrismNativeCache.psm1', 'scripts/Bonsai.PrismGrammar.psm1', 'scripts/Bonsai.PrismReferencePatch.psm1') }}
      - name: Prepare revision-bound native backend tools without running source workloads
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          Set-StrictMode -Version Latest
          $ErrorActionPreference = 'Stop'
          $PSNativeCommandUseErrorActionPreference = $true
          $evidence = Join-Path $env:RUNNER_TEMP ('SwiftBonsai-PrismBackendTools-' + [guid]::NewGuid().ToString('N'))
          "PRISM_BACKEND_TOOLS_EVIDENCE=$evidence" >> $env:GITHUB_ENV
          Import-Module (Join-Path $env:GITHUB_WORKSPACE 'scripts/Bonsai.Common.psm1')
          Import-Module (Join-Path $env:GITHUB_WORKSPACE 'scripts/Bonsai.PrismSource.psm1')
          $inference = Resolve-PrismSource
          $lock = Get-Content -LiteralPath (Join-Path $inference 'tools/prism/source.lock.json') -Raw | ConvertFrom-Json
          $downloads = Join-Path $env:RUNNER_TEMP 'SwiftBonsai-PrismUpstreamDownloads'
          [void][IO.Directory]::CreateDirectory($downloads)
          $archive = Join-Path $downloads ("prism-$($lock.ArchiveSha256).zip")
          $null = Receive-LockedArtifact -Uri $lock.ArchiveUrl -Path $archive -Bytes $lock.ArchiveBytes -Sha256 $lock.ArchiveSha256 -TimeoutSeconds 600
          cargo +nightly-2026-11-09-aarch64-pc-windows-msvc fetch --locked --manifest-path (Join-Path $inference 'Cargo.toml')
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismBackendBundle.ps1') -SourceArchive $archive
          $prepared = & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismUpstream.ps1') -Case BackendOps -PrepareBackendToolsOnly -SourceArchive $archive -EvidenceDirectory $evidence -TargetDirectory (Join-Path $env:RUNNER_TEMP 'SwiftBonsai-PrismUpstreamRust') -NativeBuildDirectory (Join-Path $env:RUNNER_TEMP 'SwiftBonsai-PrismUpstreamNative') -Generator 'Visual Studio 18 2026' -NativePlatform ARM64 -Toolchain nightly-2026-11-09-aarch64-pc-windows-msvc -Parallel 4 -CaseParallel 1
          if ($prepared.Status -cne 'backend-tools-ready' -or $prepared.ProjectRevision -cne $env:GITHUB_SHA -or $prepared.FullSourceGate -isnot [bool] -or $prepared.FullSourceGate -ne $false) { throw 'Backend preparation did not produce the expected revision-bound tool handoff.' }
          $prepared | ConvertTo-Json -Depth 12
      - name: Require native transport equivalence and geometry isolation
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          Set-StrictMode -Version Latest
          $ErrorActionPreference = 'Stop'
          $PSNativeCommandUseErrorActionPreference = $true
          Import-Module (Join-Path $env:GITHUB_WORKSPACE 'scripts/Bonsai.PrismSource.psm1')
          $inference = Resolve-PrismSource
          Import-Module (Join-Path $env:GITHUB_WORKSPACE 'scripts/Bonsai.PrismBackendBundle.psm1')
          $bundle = Import-BonsaiPrismBackendBundle -Directory (Join-Path $env:PRISM_BACKEND_TOOLS_EVIDENCE 'backend-tools') -Repository $inference
          $env:BONSAI_BACKEND_TRANSPORT_BRIDGE = $bundle.CommonBridgePath
          $env:BONSAI_BACKEND_TRANSPORT_EVIDENCE = Join-Path $env:PRISM_BACKEND_TOOLS_EVIDENCE 'transport-checks'
          [void][IO.Directory]::CreateDirectory($env:BONSAI_BACKEND_TRANSPORT_EVIDENCE)
          $checks = @(
            'backend_ops::transport::pipe::tests::native_file_and_pipe_observations_match_and_geometry_state_is_fresh',
            'llguidance::tests::native_candidate_templates_match_original_file_imports'
          )
          foreach ($check in $checks) {
            $log = Join-Path $env:PRISM_BACKEND_TOOLS_EVIDENCE (($check -replace '::', '-') + '.log')
            cargo +nightly-2026-11-09-aarch64-pc-windows-msvc test --manifest-path (Join-Path $inference 'Cargo.toml') --package prism-inference --example upstream_prism --target-dir (Join-Path $env:RUNNER_TEMP 'SwiftBonsai-PrismUpstreamRust') --locked --offline --release $check -- --ignored --exact 2>&1 | Tee-Object -FilePath $log
            if (-not (Select-String -LiteralPath $log -SimpleMatch 'test result: ok. 1 passed; 0 failed;')) { throw "Required native equivalence check did not run exactly once: $check" }
          }
      - name: Publish revision-bound native backend shard tools
        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        with:
          name: prism-backend-tools
          path: ${{ env.PRISM_BACKEND_TOOLS_EVIDENCE }}/backend-tools
          if-no-files-found: error
      - name: Retain backend tool preparation evidence
        if: always() && env.PRISM_BACKEND_TOOLS_EVIDENCE != ''
        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        with:
          name: prism-backend-tools-evidence-${{ github.sha }}-${{ github.run_id }}
          path: |
            ${{ env.PRISM_BACKEND_TOOLS_EVIDENCE }}/receipt.json
            ${{ env.PRISM_BACKEND_TOOLS_EVIDENCE }}/*.log
            ${{ env.PRISM_BACKEND_TOOLS_EVIDENCE }}/native-*/**
            ${{ env.PRISM_BACKEND_TOOLS_EVIDENCE }}/transport-checks
          if-no-files-found: error
  prism-backend-plan:
    if: github.ref == 'refs/heads/main' && needs.changes.outputs.conformance == 'true'
    needs: [changes, prism-backend-tools]
    runs-on: windows-11-arm
    timeout-minutes: 120
    strategy:
      fail-fast: false
      matrix:
        partition: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          name: prism-backend-tools
          path: ${{ runner.temp }}/prism-backend-tools
      - name: Plan every assigned source geometry on both targets
        shell: pwsh
        working-directory: ${{ runner.temp }}
        env:
          PARTITION: ${{ matrix.partition }}
          RUN_BENCHMARKS: ${{ github.event_name == 'workflow_dispatch' && inputs.prism_benchmarks }}
          RUN_GRADIENTS: ${{ github.event_name == 'workflow_dispatch' && inputs.prism_gradients }}
        run: |
          $evidence = Join-Path $env:RUNNER_TEMP ('prism-backend-plan-' + $env:PARTITION)
          "BACKEND_STAGE=$evidence" >> $env:GITHUB_ENV
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismBackend.ps1') -Phase Plan -BundleDirectory (Join-Path $env:RUNNER_TEMP 'prism-backend-tools') -EvidenceDirectory $evidence -Index ([int]$env:PARTITION) -Benchmarks:($env:RUN_BENCHMARKS -ceq 'true') -Gradients:($env:RUN_GRADIENTS -ceq 'true') | Out-Null
      - uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        if: always() && env.BACKEND_STAGE != ''
        with:
          name: prism-backend-plan-${{ matrix.partition }}
          # Fan-in consumes this complete stage envelope, not its verbose evidence.
          path: ${{ env.BACKEND_STAGE }}/record.json
          if-no-files-found: error
          compression-level: 1
      - name: Pack backend plan diagnostics
        if: always() && env.BACKEND_STAGE != ''
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          $archive = Join-Path $env:RUNNER_TEMP 'prism-backend-evidence-plan-${{ matrix.partition }}.zip'
          & (Join-Path $env:GITHUB_WORKSPACE 'scripts/Compress-PrismEvidence.ps1') -EvidenceDirectory $env:BACKEND_STAGE -ArchivePath $archive -EvidenceKind Backend | ConvertTo-Json
          "BACKEND_EVIDENCE_ARCHIVE=$archive" >> $env:GITHUB_ENV
      - uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        if: always() && env.BACKEND_EVIDENCE_ARCHIVE != ''
        with:
          path: ${{ env.BACKEND_EVIDENCE_ARCHIVE }}
          if-no-files-found: error
          archive: false
  prism-backend-join-plan:
    if: always() && !cancelled() && github.ref == 'refs/heads/main' && needs.prism-backend-plan.result == 'success' && needs.changes.outputs.conformance == 'true'
    needs: [changes, prism-backend-plan]
    runs-on: windows-11-arm
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          name: prism-backend-tools
          path: ${{ runner.temp }}/prism-backend-tools
      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          pattern: prism-backend-plan-*
          path: ${{ runner.temp }}/prism-backend-plans
      - name: Prove complete plans and source-order random offsets
        shell: pwsh
        working-directory: ${{ runner.temp }}
        env:
          RUN_BENCHMARKS: ${{ github.event_name == 'workflow_dispatch' && inputs.prism_benchmarks }}
          RUN_GRADIENTS: ${{ github.event_name == 'workflow_dispatch' && inputs.prism_gradients }}
        run: |
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismBackend.ps1') -Phase JoinPlan -BundleDirectory (Join-Path $env:RUNNER_TEMP 'prism-backend-tools') -EvidenceDirectory (Join-Path $env:RUNNER_TEMP 'prism-backend-complete-plans') -InputDirectory (Join-Path $env:RUNNER_TEMP 'prism-backend-plans') -Benchmarks:($env:RUN_BENCHMARKS -ceq 'true') -Gradients:($env:RUN_GRADIENTS -ceq 'true') | Out-Null
      - uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        if: always()
        with:
          name: prism-backend-complete-plans
          path: ${{ runner.temp }}/prism-backend-complete-plans
          if-no-files-found: error
          compression-level: 1
  prism-backend-run:
    if: always() && !cancelled() && github.ref == 'refs/heads/main' && needs.prism-backend-join-plan.result == 'success' && needs.changes.outputs.conformance == 'true'
    needs: [changes, prism-backend-join-plan]
    runs-on: windows-11-arm
    timeout-minutes: 330
    strategy:
      fail-fast: false
      matrix:
        # Longest observed shards start first under the shared runner limit.
        # Membership, source order, RNG offsets and the 32-shard proof stay exact.
        # Baseline: Runtime conformance run 40243150077 (Windows ARM64).
        partition: [18, 17, 20, 30, 15, 11, 19, 16, 9, 10, 8, 28, 12, 23, 25, 4, 27, 21, 14, 22, 3, 13, 26, 0, 24, 7, 29, 31, 5, 6, 1, 2]
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          name: prism-backend-tools
          path: ${{ runner.temp }}/prism-backend-tools
      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          name: prism-backend-complete-plans
          path: ${{ runner.temp }}/prism-backend-complete-plans
      - name: Execute every assigned workload with its proven plan
        shell: pwsh
        working-directory: ${{ runner.temp }}
        env:
          PARTITION: ${{ matrix.partition }}
          RUN_BENCHMARKS: ${{ github.event_name == 'workflow_dispatch' && inputs.prism_benchmarks }}
          RUN_GRADIENTS: ${{ github.event_name == 'workflow_dispatch' && inputs.prism_gradients }}
        run: |
          $evidence = Join-Path $env:RUNNER_TEMP ('prism-backend-run-' + $env:PARTITION)
          "BACKEND_STAGE=$evidence" >> $env:GITHUB_ENV
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismBackend.ps1') -Phase Run -BundleDirectory (Join-Path $env:RUNNER_TEMP 'prism-backend-tools') -EvidenceDirectory $evidence -PlanPath (Join-Path $env:RUNNER_TEMP 'prism-backend-complete-plans/plans.json') -Index ([int]$env:PARTITION) -ExecutionCount ([int]$env:PRISM_BACKEND_EXECUTION_COUNT) -Benchmarks:($env:RUN_BENCHMARKS -ceq 'true') -Gradients:($env:RUN_GRADIENTS -ceq 'true') | Out-Null
      - uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        if: always() && env.BACKEND_STAGE != ''
        with:
          name: prism-backend-run-${{ matrix.partition }}
          # Keep numerical evidence separate from the final gate's compact input.
          path: ${{ env.BACKEND_STAGE }}/record.json
          if-no-files-found: error
          compression-level: 1
      - name: Pack backend run diagnostics
        if: always() && env.BACKEND_STAGE != ''
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          $archive = Join-Path $env:RUNNER_TEMP 'prism-backend-evidence-run-${{ matrix.partition }}.zip'
          & (Join-Path $env:GITHUB_WORKSPACE 'scripts/Compress-PrismEvidence.ps1') -EvidenceDirectory $env:BACKEND_STAGE -ArchivePath $archive -EvidenceKind Backend | ConvertTo-Json
          "BACKEND_EVIDENCE_ARCHIVE=$archive" >> $env:GITHUB_ENV
      - uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        if: always() && env.BACKEND_EVIDENCE_ARCHIVE != ''
        with:
          path: ${{ env.BACKEND_EVIDENCE_ARCHIVE }}
          if-no-files-found: error
          archive: false
  prism-upstream-gate:
    if: github.ref == 'refs/heads/main' && needs.changes.outputs.conformance == 'true'
    needs: [changes, prism-upstream, prism-upstream-grammar, prism-backend-run]
    runs-on: windows-11-arm
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - name: Reuse maintenance tools for ordinary source result fan-in
        uses: ./.github/actions/conformance-policy
      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          name: prism-backend-tools
          path: ${{ runner.temp }}/prism-backend-tools
      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          name: prism-backend-complete-plans
          path: ${{ runner.temp }}/prism-backend-complete-plans
      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          pattern: prism-ordinary-results-*
          path: ${{ runner.temp }}/prism-ordinary-results
      - uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          pattern: prism-backend-run-*
          path: ${{ runner.temp }}/prism-backend-runs
      - name: Require every source and every backend correctness geometry
        shell: pwsh
        working-directory: ${{ runner.temp }}
        env:
          RUN_BENCHMARKS: ${{ github.event_name == 'workflow_dispatch' && inputs.prism_benchmarks }}
          RUN_GRADIENTS: ${{ github.event_name == 'workflow_dispatch' && inputs.prism_gradients }}
        run: |
          & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismBackend.ps1') -Phase Gate -BundleDirectory (Join-Path $env:RUNNER_TEMP 'prism-backend-tools') -EvidenceDirectory (Join-Path $env:RUNNER_TEMP 'prism-upstream-gate') -InputDirectory (Join-Path $env:RUNNER_TEMP 'prism-backend-runs') -PlanPath (Join-Path $env:RUNNER_TEMP 'prism-backend-complete-plans/plans.json') -ExecutionCount ([int]$env:PRISM_BACKEND_EXECUTION_COUNT) -OrdinaryEvidenceDirectory (Join-Path $env:RUNNER_TEMP 'prism-ordinary-results') -PartitionedOrdinary -Benchmarks:($env:RUN_BENCHMARKS -ceq 'true') -Gradients:($env:RUN_GRADIENTS -ceq 'true') | ConvertTo-Json -Depth 12
      - uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        if: always()
        with:
          name: prism-complete-source-gate
          path: ${{ runner.temp }}/prism-upstream-gate
          if-no-files-found: error
          compression-level: 1
  codec-native:
    if: github.ref == 'refs/heads/main' && needs.changes.outputs.codec == 'true'
    needs: changes
    runs-on: windows-11-arm
    timeout-minutes: 15
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - uses: ./.github/actions/rust-toolchain
        with:
          toolchain: nightly-2026-11-09-aarch64-pc-windows-msvc
      - name: Reuse the immutable released runtime archive
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ runner.temp }}/Prism-CodecDownloads
          key: prism-codec-download-v1-${{ runner.os }}-${{ hashFiles('tools/codec-probe/native.lock.json') }}
      - name: Reuse native codec probe compiler artifacts
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: |
            ~/.cargo/registry/index
            ~/.cargo/registry/cache
            ${{ runner.temp }}/Prism-CodecTarget
          key: prism-codec-v1-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('Cargo.toml', 'Cargo.lock', 'tools/codec-probe/**', 'tools/ternary/**', 'rust-toolchain.toml') }}-content-v1
          restore-keys: |
            prism-codec-v1-${{ runner.os }}-${{ runner.arch }}-
      - name: Check the probe and consume every preserved synthetic native codec input
        shell: pwsh
        working-directory: ${{ runner.temp }}
        run: |
          Set-StrictMode -Version Latest
          $ErrorActionPreference = 'Stop'
          $PSNativeCommandUseErrorActionPreference = $true
          if (-not $IsWindows -or [Runtime.InteropServices.RuntimeInformation]::ProcessArchitecture -ne 'Arm64') { throw 'Native codec acceptance requires Windows ARM64.' }
          $checks = Join-Path $env:RUNNER_TEMP ('Prism-CodecChecks-' + [guid]::NewGuid().ToString('N'))
          "PRISM_CODEC_EVIDENCE=$checks" >> $env:GITHUB_ENV
          [void][IO.Directory]::CreateDirectory($checks)
          $target = Join-Path $env:RUNNER_TEMP 'Prism-CodecTarget'
          $manifest = Join-Path $env:GITHUB_WORKSPACE 'Cargo.toml'
          Start-Transcript -LiteralPath (Join-Path $checks 'codec-workflow.log') | Out-Null
          try {
            cargo +nightly-2026-11-09-aarch64-pc-windows-msvc fetch --manifest-path $manifest --locked
            & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-Rust.ps1') -Package bonsai-codec-probe -Phase build -TargetDirectory $target -EvidenceDirectory (Join-Path $checks 'rust') -Offline | ConvertTo-Json -Depth 8
            Import-Module (Join-Path $env:GITHUB_WORKSPACE 'scripts/Bonsai.Common.psm1')
            $lock = Get-Content -LiteralPath (Join-Path $env:GITHUB_WORKSPACE 'tools/codec-probe/native.lock.json') -Raw | ConvertFrom-Json
            $downloads = Join-Path $env:RUNNER_TEMP 'Prism-CodecDownloads'
            [void][IO.Directory]::CreateDirectory($downloads)
            $archive = Join-Path $downloads $lock.Runtime.asset.filename
            $null = Receive-LockedArtifact -Uri $lock.Runtime.asset.url -Path $archive -Bytes $lock.Runtime.asset.bytes -Sha256 $lock.Runtime.asset.sha256 -TimeoutSeconds 600
            & (Join-Path $env:GITHUB_WORKSPACE 'tests/Test-PrismCodec.ps1') -RuntimeArchive $archive -ProbeToolPath (Join-Path $target 'release/bonsai-codec-probe.exe') -EvidenceDirectory (Join-Path $checks 'native')
          } finally { Stop-Transcript | Out-Null }
      - name: Retain codec corpus, ABI, package and process receipts
        if: always() && env.PRISM_CODEC_EVIDENCE != ''
        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
        with:
          name: prism-native-codec-${{ github.sha }}-${{ github.run_id }}
          path: |
            ${{ env.PRISM_CODEC_EVIDENCE }}/*.log
            ${{ env.PRISM_CODEC_EVIDENCE }}/rust
            ${{ env.PRISM_CODEC_EVIDENCE }}/native/*.json
            ${{ env.PRISM_CODEC_EVIDENCE }}/native/*.log
            ${{ env.PRISM_CODEC_EVIDENCE }}/native/*.stdout
            ${{ env.PRISM_CODEC_EVIDENCE }}/native/*.stderr
          if-no-files-found: error

  runtime-conformance:
    if: always() && github.ref == 'refs/heads/main'
    needs: [changes, prism-upstream, prism-upstream-grammar, prism-backend-tools, prism-backend-plan, prism-backend-join-plan, prism-backend-run, prism-upstream-gate, codec-native]
    runs-on: ubuntu-24.04-arm
    timeout-minutes: 2
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - name: Require every selected validation group
        shell: bash
        env:
          CI_NEEDS: ${{ toJSON(needs) }}
        run: python3 .github/ci/gate.py --workflow runtime-conformance