ci: fix Windows surrogate build consistency with rust-cache

When Swatinem/rust-cache restores cached fingerprints but not the
surrogate exe, Cargo skips the build script and RustEmbed fails.
Clear hyperlight-host fingerprints when the surrogate is missing
so the build script re-runs.

Signed-off-by: danbugs <danilochiarlone@gmail.com>

Author: danbugs

.github/workflows/benchmarks.yml

@@ -329,6 +329,16 @@ jobs:
         with:
           workspaces: host -> target
 
+      - name: Ensure surrogate build consistency
+        shell: pwsh
+        run: |
+          $hlsExe = "host\target\release\build\hyperlight-host-*\out\..\..\hls\x86_64-pc-windows-msvc\release\hyperlight_surrogate.exe"
+          if (-not (Resolve-Path $hlsExe -ErrorAction SilentlyContinue)) {
+            Write-Host "Surrogate missing — clearing hyperlight-host fingerprints to force rebuild"
+            Get-ChildItem "host\target\release\.fingerprint" -Filter "hyperlight-host-*" -Directory -ErrorAction SilentlyContinue |
+              Remove-Item -Recurse -Force
+          }
+
       - name: Install pyhl
         shell: pwsh
         run: |

.github/workflows/test-examples.yml

@@ -556,6 +556,16 @@ jobs:
         with:
           workspaces: host -> target
 
+      - name: Ensure surrogate build consistency
+        shell: pwsh
+        run: |
+          $hlsExe = "host\target\release\build\hyperlight-host-*\out\..\..\hls\x86_64-pc-windows-msvc\release\hyperlight_surrogate.exe"
+          if (-not (Resolve-Path $hlsExe -ErrorAction SilentlyContinue)) {
+            Write-Host "Surrogate missing — clearing hyperlight-host fingerprints to force rebuild"
+            Get-ChildItem "host\target\release\.fingerprint" -Filter "hyperlight-host-*" -Directory -ErrorAction SilentlyContinue |
+              Remove-Item -Recurse -Force
+          }
+
       - name: Build host binaries
         shell: pwsh
         run: |