diff --git a/agents.md b/agents.md
index fcb9a4c..02160d1 100644
--- a/agents.md
+++ b/agents.md
@@ -104,7 +104,8 @@ Real and verified:
   preserves the selected scheme. Verified with real Servo media-query pixels.
 - Cross-platform: download Open/Reveal use per-OS launchers (macOS `open`,
   Windows `cmd start`/`explorer /select`, Linux `xdg-open`); the command
-  overlay closes on Escape.
+  overlay closes on Escape. The Windows app binary uses the GUI PE subsystem,
+  so release launches do not open a companion console window.
 
 Deferred deliberately (do NOT fake; ship with their subsystem):
 - Updates settings page — returns with a real updater.
diff --git a/crates/ely_app/src/main.rs b/crates/ely_app/src/main.rs
index da51a69..fe0d6e9 100644
--- a/crates/ely_app/src/main.rs
+++ b/crates/ely_app/src/main.rs
@@ -1,3 +1,5 @@
+#![cfg_attr(windows, windows_subsystem = "windows")]
+
 mod brand;
 mod services;
 mod shell;