fix: refresh occluded browser windows before plugin capture

scripts/build_computer_use.py

@@ -71,6 +71,25 @@ def build_windows(
         "screenshotPngBase64 = Capture-WindowPngBase64 $bounds",
         "screenshotPngBase64 = Capture-WindowPngBase64 $bounds ([IntPtr]$process.MainWindowHandle)",
     )
+    snapshot_start = runtime.index("function Build-Snapshot(")
+    snapshot_end = runtime.index("function List-Apps", snapshot_start)
+    runtime = (
+        runtime[:snapshot_start]
+        + adapter.with_name("window-snapshot.ps1").read_text(encoding="utf-8")
+        + "\n\n"
+        + runtime[snapshot_end:]
+    )
+    runtime = runtime.replace(
+        marker,
+        marker
+        + """
+    [DllImport("user32.dll")] public static extern bool SetWindowPos(IntPtr h, IntPtr after, int x, int y, int w, int height, uint flags);
+    [DllImport("user32.dll")] public static extern int GetWindowLong(IntPtr h, int index);
+    [DllImport("user32.dll")] public static extern IntPtr GetWindow(IntPtr h, uint command);
+    [DllImport("user32.dll")] public static extern bool IsWindow(IntPtr h);
+    [DllImport("dwmapi.dll")] public static extern int DwmFlush();
+""",
+    )
     files["runtime.ps1"] = runtime.encode("utf-8")
     # Advertise only methods this Windows runtime actually implements.
     main = files["main.go"].decode("utf-8")
@@ -101,7 +120,7 @@ def build_windows(
                 "build",
                 "-trimpath",
                 "-buildvcs=false",
-                "-ldflags=-s -w -X main.version=1.1.0-artemis.1",
+                "-ldflags=-s -w -X main.version=1.1.0-artemis.2",
                 "-o",
                 str(output),
                 ".",
@@ -168,6 +187,9 @@ def main():
             source / "window-capture.ps1", "source/artemis-window-capture.ps1"
         )
         archive.write(source / "window-input.ps1", "source/artemis-window-input.ps1")
+        archive.write(
+            source / "window-snapshot.ps1", "source/artemis-window-snapshot.ps1"
+        )
         archive.writestr(
             "provenance.json",
             json.dumps(