diff --git a/plugins/platforms/photon/adapter.py b/plugins/platforms/photon/adapter.py
index 27df34ecf..4dfe7ffc6 100644
--- a/plugins/platforms/photon/adapter.py
+++ b/plugins/platforms/photon/adapter.py
@@ -944,6 +944,10 @@ class PhotonAdapter(BasePlatformAdapter):
         # never runs — can't leave it orphaned on the port.
         env["PHOTON_SIDECAR_WATCH_STDIN"] = "1"
 
+        # Windows: hide the child console (0 elsewhere). Same helper the
+        # discord/whatsapp adapters use for their sidecar spawns.
+        from hermes_cli._subprocess_compat import windows_hide_flags
+
         try:
             patch = subprocess.run(  # noqa: S603
                 [
@@ -955,6 +959,9 @@ class PhotonAdapter(BasePlatformAdapter):
                 text=True,
                 timeout=10,
                 check=False,
+                # Windows: suppress the brief console flash this short-lived
+                # node patch run would otherwise pop on every sidecar start.
+                creationflags=windows_hide_flags(),
             )
             if patch.returncode != 0:
                 raise RuntimeError((patch.stderr or patch.stdout or "").strip())
@@ -973,6 +980,10 @@ class PhotonAdapter(BasePlatformAdapter):
             stderr=subprocess.STDOUT,
             env=env,
             start_new_session=(sys.platform != "win32"),
+            # Windows: run the persistent sidecar headless so it does not open
+            # (or leave) a visible console window. CREATE_NO_WINDOW only (no
+            # DETACHED_PROCESS) so the stdin/stdout pipes above stay usable.
+            creationflags=windows_hide_flags(),
         )
 
         # Pump sidecar stderr/stdout into our logger so users see crashes.