diff --git a/.pipelines/foundry-local-packaging.yml b/.pipelines/foundry-local-packaging.yml
index bedd8a3d..ad07a975 100644
--- a/.pipelines/foundry-local-packaging.yml
+++ b/.pipelines/foundry-local-packaging.yml
@@ -70,6 +70,10 @@ resources:
     type: git
     name: 1ESPipelineTemplates/1ESPipelineTemplates
     ref: refs/tags/release
+  - repository: test-data-shared
+    type: git
+    name: AIFoundryLocal/test-data-shared
+    ref: refs/heads/main
 
 extends:
   template: v1/1ES.Official.PipelineTemplate.yml@1ESPipelineTemplates
@@ -81,6 +85,9 @@ extends:
       name: onnxruntime-Win-CPU-2022
       os: windows
     sdl:
+      sourceRepositoriesToScan:
+        exclude:
+        - repository: test-data-shared
       binskim:
         break: false
         scanOutputDirectoryOnly: true
diff --git a/.pipelines/v2/templates/stages-cs.yml b/.pipelines/v2/templates/stages-cs.yml
index c271dda1..6ffa2354 100644
--- a/.pipelines/v2/templates/stages-cs.yml
+++ b/.pipelines/v2/templates/stages-cs.yml
@@ -129,9 +129,7 @@ stages:
       steps:
       - checkout: self
         clean: true
-      - template: ../../templates/checkout-steps.yml@self
-        parameters:
-          repoName: test-data-shared
+      - checkout: test-data-shared
       - template: steps-test-cs.yml
         parameters:
           flNugetDir: '$(Pipeline.Workspace)/${{ parameters._config_base.nativeArtifact }}'
@@ -159,9 +157,7 @@ stages:
       steps:
       - checkout: self
         clean: true
-      - template: ../../templates/checkout-steps.yml@self
-        parameters:
-          repoName: test-data-shared
+      - checkout: test-data-shared
       - template: steps-test-cs.yml
         parameters:
           flNugetDir: '$(Pipeline.Workspace)/${{ parameters._config_winml.nativeArtifact }}'
@@ -192,9 +188,7 @@ stages:
       steps:
       - checkout: self
         clean: true
-      - template: ../../templates/checkout-steps.yml@self
-        parameters:
-          repoName: test-data-shared
+      - checkout: test-data-shared
       - template: steps-test-cs.yml
         parameters:
           flNugetDir: '$(Pipeline.Workspace)/${{ parameters._config_base.nativeArtifact }}'
@@ -230,12 +224,10 @@ stages:
           fi
           git lfs install
         displayName: 'Install git-lfs (macOS)'
-      - template: ../../templates/checkout-steps.yml@self
-        parameters:
-          repoName: test-data-shared
+      - checkout: test-data-shared
       - template: steps-test-cs.yml
         parameters:
           flNugetDir: '$(Pipeline.Workspace)/${{ parameters._config_base.nativeArtifact }}'
           isWinML: false
           testDataSharedDir: '$(Build.SourcesDirectory)/test-data-shared'
-          additionalTestArgs: '--settings $(Build.SourcesDirectory)/sdk_v2/cs/test/FoundryLocal.Tests/sequential.runsettings'
+          additionalTestArgs: '--settings $(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cs/test/FoundryLocal.Tests/sequential.runsettings'
diff --git a/.pipelines/v2/templates/stages-js.yml b/.pipelines/v2/templates/stages-js.yml
index e434f7c7..867bf0c1 100644
--- a/.pipelines/v2/templates/stages-js.yml
+++ b/.pipelines/v2/templates/stages-js.yml
@@ -198,9 +198,7 @@ stages:
     steps:
     - checkout: self
       clean: true
-    - template: ../../templates/checkout-steps.yml@self
-      parameters:
-        repoName: test-data-shared
+    - checkout: test-data-shared
     - template: steps-test-js.yml
       parameters:
         rid: 'win-x64'
@@ -224,9 +222,7 @@ stages:
     steps:
     - checkout: self
       clean: true
-    - template: ../../templates/checkout-steps.yml@self
-      parameters:
-        repoName: test-data-shared
+    - checkout: test-data-shared
     - template: steps-test-js.yml
       parameters:
         rid: 'linux-x64'
@@ -259,9 +255,7 @@ stages:
           fi
           git lfs install
       displayName: 'Install git-lfs (macOS)'
-    - template: ../../templates/checkout-steps.yml@self
-      parameters:
-        repoName: test-data-shared
+    - checkout: test-data-shared
     - template: steps-test-js.yml
       parameters:
         rid: 'osx-arm64'
diff --git a/.pipelines/v2/templates/stages-python.yml b/.pipelines/v2/templates/stages-python.yml
index 7a07c7da..495a31f9 100644
--- a/.pipelines/v2/templates/stages-python.yml
+++ b/.pipelines/v2/templates/stages-python.yml
@@ -178,9 +178,7 @@ stages:
         steps:
         - checkout: self
           clean: true
-        - template: ../../templates/checkout-steps.yml@self
-          parameters:
-            repoName: test-data-shared
+        - checkout: test-data-shared
         - template: steps-test-python.yml
           parameters:
             wheelDir: '$(Pipeline.Workspace)/python-sdk-base-win-x64'
@@ -204,9 +202,7 @@ stages:
         steps:
         - checkout: self
           clean: true
-        - template: ../../templates/checkout-steps.yml@self
-          parameters:
-            repoName: test-data-shared
+        - checkout: test-data-shared
         - template: steps-test-python.yml
           parameters:
             wheelDir: '$(Pipeline.Workspace)/python-sdk-base-linux-x64'
@@ -239,9 +235,7 @@ stages:
               fi
               git lfs install
           displayName: 'Install git-lfs (macOS)'
-        - template: ../../templates/checkout-steps.yml@self
-          parameters:
-            repoName: test-data-shared
+        - checkout: test-data-shared
         - template: steps-test-python.yml
           parameters:
             wheelDir: '$(Pipeline.Workspace)/python-sdk-base-osx-arm64'
@@ -336,9 +330,7 @@ stages:
         steps:
         - checkout: self
           clean: true
-        - template: ../../templates/checkout-steps.yml@self
-          parameters:
-            repoName: test-data-shared
+        - checkout: test-data-shared
         - template: steps-test-python.yml
           parameters:
             wheelDir: '$(Pipeline.Workspace)/python-sdk-winml-win-x64'
diff --git a/.pipelines/v2/templates/steps-build-linux.yml b/.pipelines/v2/templates/steps-build-linux.yml
index b16b13fd..fe31dd75 100644
--- a/.pipelines/v2/templates/steps-build-linux.yml
+++ b/.pipelines/v2/templates/steps-build-linux.yml
@@ -23,6 +23,9 @@ steps:
     "$(Build.BinariesDirectory)/vcpkg/bootstrap-vcpkg.sh" -disableMetrics
   displayName: 'Bootstrap vcpkg'
 
+- checkout: self
+  clean: true
+
 - template: steps-prefetch-nuget.yml
   parameters:
     ortVersion: ${{ parameters.ortVersion }}
@@ -43,10 +46,7 @@ steps:
   displayName: 'Append version define'
 
 - ${{ if eq(parameters.runTests, true) }}:
-  - template: ../../templates/checkout-steps.yml@self
-    parameters:
-      repoName: test-data-shared
-      basePath: '$(Agent.BuildDirectory)'
+  - checkout: test-data-shared
 
 - bash: |
     set -euo pipefail
@@ -54,7 +54,7 @@ steps:
       --config ${{ parameters.buildConfig }} \
       --cmake_extra_defines $(cmakeFetchDefines)
   displayName: 'Configure and build'
-  workingDirectory: $(Build.SourcesDirectory)/sdk_v2/cpp
+  workingDirectory: $(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp
   env:
     VCPKG_ROOT: $(Build.BinariesDirectory)/vcpkg
 
@@ -63,10 +63,10 @@ steps:
       set -euo pipefail
       python3 build.py --test --config ${{ parameters.buildConfig }}
     displayName: 'Run tests'
-    workingDirectory: $(Build.SourcesDirectory)/sdk_v2/cpp
+    workingDirectory: $(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp
     env:
       VCPKG_ROOT: $(Build.BinariesDirectory)/vcpkg
-      FOUNDRY_TEST_DATA_DIR: $(Agent.BuildDirectory)/test-data-shared
+      FOUNDRY_TEST_DATA_DIR: $(Build.SourcesDirectory)/Foundry-Local/test-data-shared
 
 - bash: |
     echo "=== vcpkg buildtrees error logs ==="
@@ -85,7 +85,7 @@ steps:
 # side); test/example binaries are not part of the redistributable surface.
 - bash: |
     set -euo pipefail
-    src='$(Build.SourcesDirectory)/sdk_v2/cpp/build/Linux/${{ parameters.buildConfig }}/bin'
+    src='$(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp/build/Linux/${{ parameters.buildConfig }}/bin'
     dst='$(Build.ArtifactStagingDirectory)/native'
     mkdir -p "$dst"
 
diff --git a/.pipelines/v2/templates/steps-build-macos.yml b/.pipelines/v2/templates/steps-build-macos.yml
index 278bdbff..a49a052f 100644
--- a/.pipelines/v2/templates/steps-build-macos.yml
+++ b/.pipelines/v2/templates/steps-build-macos.yml
@@ -32,6 +32,9 @@ steps:
     pkg-config --version
   displayName: 'Verify build tools'
 
+- checkout: self
+  clean: true
+
 - template: steps-prefetch-nuget.yml
   parameters:
     ortVersion: ${{ parameters.ortVersion }}
@@ -51,10 +54,7 @@ steps:
   displayName: 'Append version define'
 
 - ${{ if eq(parameters.runTests, true) }}:
-  - template: ../../templates/checkout-steps.yml@self
-    parameters:
-      repoName: test-data-shared
-      basePath: '$(Agent.BuildDirectory)'
+  - checkout: test-data-shared
 
 - bash: |
     set -euo pipefail
@@ -62,7 +62,7 @@ steps:
       --config ${{ parameters.buildConfig }} \
       --cmake_extra_defines $(cmakeFetchDefines)
   displayName: 'Configure and build'
-  workingDirectory: $(Build.SourcesDirectory)/sdk_v2/cpp
+  workingDirectory: $(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp
   env:
     VCPKG_ROOT: $(Build.BinariesDirectory)/vcpkg
 
@@ -71,10 +71,10 @@ steps:
       set -euo pipefail
       python3 build.py --test --config ${{ parameters.buildConfig }}
     displayName: 'Run tests'
-    workingDirectory: $(Build.SourcesDirectory)/sdk_v2/cpp
+    workingDirectory: $(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp
     env:
       VCPKG_ROOT: $(Build.BinariesDirectory)/vcpkg
-      FOUNDRY_TEST_DATA_DIR: $(Agent.BuildDirectory)/test-data-shared
+      FOUNDRY_TEST_DATA_DIR: $(Build.SourcesDirectory)/Foundry-Local/test-data-shared
 
 - bash: |
     echo "=== vcpkg buildtrees error logs ==="
@@ -90,7 +90,7 @@ steps:
 # are not part of the redistributable surface.
 - bash: |
     set -euo pipefail
-    src='$(Build.SourcesDirectory)/sdk_v2/cpp/build/macOS/${{ parameters.buildConfig }}/bin'
+    src='$(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp/build/macOS/${{ parameters.buildConfig }}/bin'
     dst='$(Build.ArtifactStagingDirectory)/native'
     mkdir -p "$dst"
 
diff --git a/.pipelines/v2/templates/steps-build-windows.yml b/.pipelines/v2/templates/steps-build-windows.yml
index 0e17f07b..16d577a9 100644
--- a/.pipelines/v2/templates/steps-build-windows.yml
+++ b/.pipelines/v2/templates/steps-build-windows.yml
@@ -55,6 +55,9 @@ steps:
     echo @exit /b 0 > $(Build.BinariesDirectory)\tools\pkg-config.bat
   displayName: 'Bootstrap vcpkg'
 
+- checkout: self
+  clean: true
+
 - template: steps-prefetch-nuget.yml
   parameters:
     ortVersion: ${{ parameters.ortVersion }}
@@ -78,10 +81,7 @@ steps:
 
 # Tests need shared model files.
 - ${{ if eq(parameters.runTests, true) }}:
-  - template: ../../templates/checkout-steps.yml@self
-    parameters:
-      repoName: test-data-shared
-      basePath: '$(Agent.BuildDirectory)'
+  - checkout: test-data-shared
 
 - ${{ if and(eq(parameters.arch, 'x64'), eq(parameters.useWinml, false)) }}:
   - script: >-
@@ -91,7 +91,7 @@ steps:
       --cmake_generator "Visual Studio 17 2022"
       --cmake_extra_defines $(cmakeFetchDefines)
     displayName: 'Configure and build (x64)'
-    workingDirectory: $(Build.SourcesDirectory)/sdk_v2/cpp
+    workingDirectory: $(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp
     env:
       VCPKG_ROOT: $(Build.BinariesDirectory)\vcpkg
       PKG_CONFIG: $(Build.BinariesDirectory)\tools\pkg-config.bat
@@ -105,7 +105,7 @@ steps:
       --use_winml --winml_sdk_version ${{ parameters.winmlVersion }}
       --cmake_extra_defines $(cmakeFetchDefines)
     displayName: 'Configure and build (x64, WinML)'
-    workingDirectory: $(Build.SourcesDirectory)/sdk_v2/cpp
+    workingDirectory: $(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp
     env:
       VCPKG_ROOT: $(Build.BinariesDirectory)\vcpkg
       PKG_CONFIG: $(Build.BinariesDirectory)\tools\pkg-config.bat
@@ -118,7 +118,7 @@ steps:
       --cmake_generator "Visual Studio 17 2022"
       --cmake_extra_defines $(cmakeFetchDefines)
     displayName: 'Configure and build (arm64 cross-compile)'
-    workingDirectory: $(Build.SourcesDirectory)/sdk_v2/cpp
+    workingDirectory: $(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp
     env:
       VCPKG_ROOT: $(Build.BinariesDirectory)\vcpkg
       PKG_CONFIG: $(Build.BinariesDirectory)\tools\pkg-config.bat
@@ -132,7 +132,7 @@ steps:
       --use_winml --winml_sdk_version ${{ parameters.winmlVersion }}
       --cmake_extra_defines $(cmakeFetchDefines)
     displayName: 'Configure and build (arm64 cross-compile, WinML)'
-    workingDirectory: $(Build.SourcesDirectory)/sdk_v2/cpp
+    workingDirectory: $(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp
     env:
       VCPKG_ROOT: $(Build.BinariesDirectory)\vcpkg
       PKG_CONFIG: $(Build.BinariesDirectory)\tools\pkg-config.bat
@@ -140,10 +140,10 @@ steps:
 - ${{ if and(eq(parameters.runTests, true), eq(parameters.arch, 'x64')) }}:
   - script: python build.py --test --config ${{ parameters.buildConfig }}
     displayName: 'Run tests'
-    workingDirectory: $(Build.SourcesDirectory)/sdk_v2/cpp
+    workingDirectory: $(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp
     env:
       VCPKG_ROOT: $(Build.BinariesDirectory)\vcpkg
-      FOUNDRY_TEST_DATA_DIR: $(Agent.BuildDirectory)\test-data-shared
+      FOUNDRY_TEST_DATA_DIR: $(Build.SourcesDirectory)\Foundry-Local\test-data-shared
 
 # Stage the redistributable native artifacts.
 #   - Standard build: vcpkg statically links ORT/GenAI/azure-*/spdlog/fmt/
@@ -162,8 +162,8 @@ steps:
     targetType: inline
     pwsh: true
     script: |
-      $binDir = '$(Build.SourcesDirectory)/sdk_v2/cpp/build/Windows/${{ parameters.buildConfig }}/bin/${{ parameters.buildConfig }}'
-      $linkDir = '$(Build.SourcesDirectory)/sdk_v2/cpp/build/Windows/${{ parameters.buildConfig }}/${{ parameters.buildConfig }}'
+      $binDir = '$(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp/build/Windows/${{ parameters.buildConfig }}/bin/${{ parameters.buildConfig }}'
+      $linkDir = '$(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp/build/Windows/${{ parameters.buildConfig }}/${{ parameters.buildConfig }}'
       $dst = '$(Build.ArtifactStagingDirectory)/native'
       New-Item -ItemType Directory -Force -Path $dst | Out-Null
 
@@ -189,7 +189,7 @@ steps:
   - task: CopyFiles@2
     displayName: 'Stage public headers'
     inputs:
-      SourceFolder: '$(Build.SourcesDirectory)/sdk_v2/cpp/include'
+      SourceFolder: '$(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp/include'
       Contents: '**'
       TargetFolder: '$(Build.ArtifactStagingDirectory)/include'
 
@@ -202,6 +202,6 @@ steps:
   - task: CopyFiles@2
     displayName: 'Stage ms-gsl headers'
     inputs:
-      SourceFolder: '$(Build.SourcesDirectory)/sdk_v2/cpp/build/Windows/${{ parameters.buildConfig }}/vcpkg_installed/x64-windows/include/gsl'
+      SourceFolder: '$(Build.SourcesDirectory)/Foundry-Local/sdk_v2/cpp/build/Windows/${{ parameters.buildConfig }}/vcpkg_installed/x64-windows/include/gsl'
       Contents: '**'
       TargetFolder: '$(Build.ArtifactStagingDirectory)/include/gsl'
diff --git a/.pipelines/v2/templates/steps-prefetch-nuget.yml b/.pipelines/v2/templates/steps-prefetch-nuget.yml
index 66107529..34f85339 100644
--- a/.pipelines/v2/templates/steps-prefetch-nuget.yml
+++ b/.pipelines/v2/templates/steps-prefetch-nuget.yml
@@ -41,7 +41,13 @@ steps:
     pwsh: true
     script: |
       $ErrorActionPreference = 'Stop'
-      $depsFile = Join-Path "$(Build.SourcesDirectory)" "sdk_v2/deps_versions.json"
+      $multiCheckout = Join-Path "$(Build.SourcesDirectory)" "Foundry-Local"
+      if (Test-Path $multiCheckout) {
+        $repoRoot = $multiCheckout
+      } else {
+        $repoRoot = "$(Build.SourcesDirectory)"
+      }
+      $depsFile = Join-Path $repoRoot "sdk_v2/deps_versions.json"
       if (-not (Test-Path $depsFile)) { throw "deps_versions.json not found at $depsFile" }
       $deps = Get-Content $depsFile -Raw | ConvertFrom-Json
       $expected = @{
diff --git a/.pipelines/v2/templates/steps-test-cs.yml b/.pipelines/v2/templates/steps-test-cs.yml
index 73274e27..adecbb9d 100644
--- a/.pipelines/v2/templates/steps-test-cs.yml
+++ b/.pipelines/v2/templates/steps-test-cs.yml
@@ -21,6 +21,20 @@ parameters:
 
 steps:
 
+- task: PowerShell@2
+  displayName: 'Set source paths'
+  inputs:
+    targetType: inline
+    pwsh: true
+    script: |
+      $multiCheckout = "$(Build.SourcesDirectory)/Foundry-Local"
+      if (Test-Path $multiCheckout) {
+        $repoRoot = $multiCheckout
+      } else {
+        $repoRoot = "$(Build.SourcesDirectory)"
+      }
+      Write-Host "##vso[task.setvariable variable=repoRoot]$repoRoot"
+
 - task: UseDotNet@2
   displayName: 'Use .NET 10 SDK'
   inputs:
@@ -110,7 +124,7 @@ steps:
     targetType: inline
     pwsh: true
     script: |
-      $proj = "$(Build.SourcesDirectory)/sdk_v2/cs/test/FoundryLocal.Tests/Microsoft.AI.Foundry.Local.Tests.csproj"
+      $proj = "$(repoRoot)/sdk_v2/cs/test/FoundryLocal.Tests/Microsoft.AI.Foundry.Local.Tests.csproj"
       $rid = dotnet msbuild $proj -getProperty:NETCoreSdkRuntimeIdentifier
       if ($LASTEXITCODE -ne 0 -or -not $rid) { throw "Failed to determine RuntimeIdentifier" }
       Write-Host "Restoring for RuntimeIdentifier: $rid"
@@ -142,7 +156,7 @@ steps:
       # The redirect file foundry_local.native.cfg is a local-dev override that, if
       # present, takes priority in DllLoader and would silently point the loader at
       # an arbitrary path on the agent. Sweep it out of every bin folder before tests.
-      $root = "$(Build.SourcesDirectory)/sdk_v2/cs"
+      $root = "$(repoRoot)/sdk_v2/cs"
       $stale = Get-ChildItem -Path $root -Recurse -Force -Filter 'foundry_local.native.cfg' -ErrorAction SilentlyContinue
       if ($stale) {
         Write-Host "Removing stale redirect files:"
@@ -157,7 +171,7 @@ steps:
     targetType: inline
     pwsh: true
     script: |
-      $proj = "$(Build.SourcesDirectory)/sdk_v2/cs/test/FoundryLocal.Tests/Microsoft.AI.Foundry.Local.Tests.csproj"
+      $proj = "$(repoRoot)/sdk_v2/cs/test/FoundryLocal.Tests/Microsoft.AI.Foundry.Local.Tests.csproj"
 
       # Test TFMs:
       #   * net9.0 covers the .NET (Core) runtime test surface.
diff --git a/.pipelines/v2/templates/steps-test-js.yml b/.pipelines/v2/templates/steps-test-js.yml
index d161da06..003b3420 100644
--- a/.pipelines/v2/templates/steps-test-js.yml
+++ b/.pipelines/v2/templates/steps-test-js.yml
@@ -18,6 +18,20 @@ parameters:
 
 steps:
 
+- task: PowerShell@2
+  displayName: 'Set source paths'
+  inputs:
+    targetType: inline
+    pwsh: true
+    script: |
+      $multiCheckout = "$(Build.SourcesDirectory)/Foundry-Local"
+      if (Test-Path $multiCheckout) {
+        $repoRoot = $multiCheckout
+      } else {
+        $repoRoot = "$(Build.SourcesDirectory)"
+      }
+      Write-Host "##vso[task.setvariable variable=repoRoot]$repoRoot"
+
 - task: NodeTool@0
   displayName: 'Use Node.js 20'
   inputs:
@@ -26,7 +40,7 @@ steps:
 - ${{ if eq(parameters.rid, 'win-x64') }}:
   - pwsh: |
       $src = "${{ parameters.prebuildArtifactDir }}/prebuilds"
-      $dst = "$(Build.SourcesDirectory)/sdk_v2/js/prebuilds"
+      $dst = "$(repoRoot)/sdk_v2/js/prebuilds"
       if (-not (Test-Path $src)) { throw "Prebuild artifact missing: $src" }
       if (Test-Path $dst) { Remove-Item -Recurse -Force $dst }
       New-Item -ItemType Directory -Force -Path $dst | Out-Null
@@ -38,7 +52,7 @@ steps:
   - bash: |
       set -euo pipefail
       src="${{ parameters.prebuildArtifactDir }}/prebuilds"
-      dst="$(Build.SourcesDirectory)/sdk_v2/js/prebuilds"
+      dst="$(repoRoot)/sdk_v2/js/prebuilds"
       if [ ! -d "$src" ]; then echo "Prebuild artifact missing: $src" >&2; exit 1; fi
       rm -rf "$dst"
       mkdir -p "$dst"
@@ -51,17 +65,17 @@ steps:
     displayName: 'npm ci (runs install-native postinstall)'
     inputs:
       command: custom
-      workingDir: '$(Build.SourcesDirectory)/sdk_v2/js'
+      workingDir: '$(repoRoot)/sdk_v2/js'
       customCommand: 'ci --no-audit --no-fund'
 
   - pwsh: |
-      Set-Location "$(Build.SourcesDirectory)/sdk_v2/js"
+      Set-Location "$(repoRoot)/sdk_v2/js"
       npm run build:ts
       if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
     displayName: 'Build TypeScript'
 
   - pwsh: |
-      Set-Location "$(Build.SourcesDirectory)/sdk_v2/js"
+      Set-Location "$(repoRoot)/sdk_v2/js"
       npx --no-install vitest run --reporter=verbose
       if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
     displayName: 'Run vitest'
@@ -71,19 +85,19 @@ steps:
 - ${{ if or(eq(parameters.rid, 'linux-x64'), eq(parameters.rid, 'osx-arm64')) }}:
   - bash: |
       set -euo pipefail
-      cd "$(Build.SourcesDirectory)/sdk_v2/js"
+      cd "$(repoRoot)/sdk_v2/js"
       npm ci --no-audit --no-fund
     displayName: 'npm ci (runs install-native postinstall)'
 
   - bash: |
       set -euo pipefail
-      cd "$(Build.SourcesDirectory)/sdk_v2/js"
+      cd "$(repoRoot)/sdk_v2/js"
       npm run build:ts
     displayName: 'Build TypeScript'
 
   - bash: |
       set -euo pipefail
-      cd "$(Build.SourcesDirectory)/sdk_v2/js"
+      cd "$(repoRoot)/sdk_v2/js"
       npx --no-install vitest run --reporter=verbose
     displayName: 'Run vitest'
     env:
diff --git a/.pipelines/v2/templates/steps-test-python.yml b/.pipelines/v2/templates/steps-test-python.yml
index 9396a7cc..996f07a2 100644
--- a/.pipelines/v2/templates/steps-test-python.yml
+++ b/.pipelines/v2/templates/steps-test-python.yml
@@ -23,6 +23,20 @@ parameters:
 
 steps:
 
+- task: PowerShell@2
+  displayName: 'Set source paths'
+  inputs:
+    targetType: inline
+    pwsh: true
+    script: |
+        $multiCheckout = "$(Build.SourcesDirectory)/Foundry-Local"
+        if (Test-Path $multiCheckout) {
+            $repoRoot = $multiCheckout
+        } else {
+            $repoRoot = "$(Build.SourcesDirectory)"
+        }
+        Write-Host "##vso[task.setvariable variable=repoRoot]$repoRoot"
+
 - task: UsePythonVersion@0
   displayName: 'Use Python 3.12'
   inputs:
@@ -80,7 +94,7 @@ steps:
     targetType: inline
     pwsh: true
     script: |
-        Push-Location "$(Build.SourcesDirectory)/sdk_v2/python"
+        Push-Location "$(repoRoot)/sdk_v2/python"
         try {
             # Override pythonpath = ["src"] from pyproject.toml so pytest
             # imports the installed wheel (which contains the compiled cffi
diff --git a/sdk_v2/DEVELOPMENT.md b/sdk_v2/DEVELOPMENT.md
index bc8afb6c..6ce486d4 100644
--- a/sdk_v2/DEVELOPMENT.md
+++ b/sdk_v2/DEVELOPMENT.md
@@ -69,6 +69,11 @@ install per-SDK package dependencies on first run:
 | Python | `python -m pip install -e .[dev]` (compiles the cffi extension; needs MSVC/Clang) → `python -m pytest test/`. |
 | JS     | `npm install` (runs `node-gyp` against the C++ build output) → `npm run build` → `npm test` (vitest). |
 
+In CI, the shared `test-data-shared` cache is checked out from
+`AIFoundryLocal/test-data-shared` in the same ADO org that runs the Foundry
+Local Packaging pipeline, so sdk_v2 jobs no longer depend on the older
+`windows.ai.toolkit` org path.
+
 ## Common knobs
 
 ```powershell