From 5b010f448f51ec0087a4d7e061ad095bf09bef67 Mon Sep 17 00:00:00 2001
From: f-trycua <195596869+f-trycua@users.noreply.github.com>
Date: Sun, 16 Aug 2026 12:50:41 -0500
Subject: [PATCH] fix(computer-use): verify Windows driver repair

---
 scripts/install.ps1                        | 5 +++--
 tests/test_install_scripts_computer_use.py | 9 +++++++++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/scripts/install.ps1 b/scripts/install.ps1
index 2087df1e9c..38c2012a97 100644
--- a/scripts/install.ps1
+++ b/scripts/install.ps1
@@ -3637,10 +3637,11 @@ function Install-CuaDriver {
         if (Wait-Job $job -Timeout 660) {
             Receive-Job $job -ErrorAction SilentlyContinue | Out-Null
             Remove-Job $job -Force -ErrorAction SilentlyContinue
-            if (Get-Command cua-driver -ErrorAction SilentlyContinue) {
+            $installedCuaDriver = Get-Command cua-driver -ErrorAction SilentlyContinue
+            if ($installedCuaDriver -and (Test-CuaDriverRuntimeContract -DriverPath $installedCuaDriver.Source)) {
                 Write-Success "Computer Use driver installed (enable via 'hermes tools' -> Computer Use)"
             } else {
-                Write-Warn "Computer Use driver install did not complete -- it will install on demand when you enable the tool."
+                Write-Warn "Computer Use driver install did not produce a compatible runtime -- repair it before enabling the tool."
                 Write-Info "Install later with: hermes computer-use install"
             }
         } else {
diff --git a/tests/test_install_scripts_computer_use.py b/tests/test_install_scripts_computer_use.py
index 322dab361f..e213a2653d 100644
--- a/tests/test_install_scripts_computer_use.py
+++ b/tests/test_install_scripts_computer_use.py
@@ -65,3 +65,12 @@ class TestInstallPs1:
         text = INSTALL_PS1.read_text()
         assert "Computer Use driver install timed out" in text
         assert "hermes computer-use install" in text
+
+    def test_install_rechecks_runtime_contract_before_success(self) -> None:
+        text = INSTALL_PS1.read_text()
+        assert "$installedCuaDriver = Get-Command cua-driver" in text
+        assert (
+            "Test-CuaDriverRuntimeContract -DriverPath $installedCuaDriver.Source"
+            in text
+        )
+        assert "did not produce a compatible runtime" in text