Hide console window, add Debug Window tray option

- Hide console window by default (windows_subsystem = "windows")
- Add "Show Debug Window" menu item to tray
- AllocConsole when debug window requested
- Console shows logs for troubleshooting

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

agent/Cargo.toml

@@ -72,6 +72,7 @@ windows = { version = "0.58", features = [
     "Win32_System_LibraryLoader",
     "Win32_System_Threading",
     "Win32_System_Registry",
+    "Win32_System_Console",
     "Win32_Security",
     "Win32_Storage_FileSystem",
 ]}

agent/src/main.rs

@@ -8,6 +8,9 @@
 //! If a support code is provided, the agent will connect using that code
 //! for a one-time support session.
 
+// Hide console window by default on Windows (release builds)
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
 mod capture;
 mod chat;
 mod config;
@@ -34,6 +37,10 @@ use windows::core::PCWSTR;
 use windows::Win32::Security::{GetTokenInformation, TokenElevation, TOKEN_ELEVATION, TOKEN_QUERY};
 #[cfg(windows)]
 use windows::Win32::System::Threading::{GetCurrentProcess, OpenProcessToken};
+#[cfg(windows)]
+use windows::Win32::System::Console::{AllocConsole, FreeConsole, GetConsoleWindow};
+#[cfg(windows)]
+use windows::Win32::UI::WindowsAndMessaging::{ShowWindow, SW_SHOW, SW_HIDE};
 
 /// Extract a 6-digit support code from the executable's filename.
 /// Looks for patterns like "GuruConnect-123456.exe" or "123456.exe"
@@ -125,6 +132,29 @@ fn show_message_box(_title: &str, _message: &str) {
     // No-op on non-Windows platforms
 }
 
+/// Show the debug console window (Windows only)
+#[cfg(windows)]
+fn show_debug_console() {
+    unsafe {
+        // Check if we already have a console
+        let hwnd = GetConsoleWindow();
+        if hwnd.0 == std::ptr::null_mut() {
+            // No console, allocate one
+            let _ = AllocConsole();
+            info!("Debug console window opened");
+        } else {
+            // Console exists, make sure it's visible
+            let _ = ShowWindow(hwnd, SW_SHOW);
+            info!("Debug console window shown");
+        }
+    }
+}
+
+#[cfg(not(windows))]
+fn show_debug_console() {
+    // No-op on non-Windows platforms
+}
+
 #[tokio::main]
 async fn main() -> Result<()> {
     // Initialize logging

agent/src/session/mod.rs

@@ -6,11 +6,36 @@
 //! - Frame capture and encoding loop
 //! - Input event handling
 
+#[cfg(windows)]
+use windows::Win32::System::Console::{AllocConsole, GetConsoleWindow};
+#[cfg(windows)]
+use windows::Win32::UI::WindowsAndMessaging::{ShowWindow, SW_SHOW};
+
 use crate::capture::{self, Capturer, Display};
 use crate::chat::{ChatController, ChatMessage as ChatMsg};
 use crate::config::Config;
 use crate::encoder::{self, Encoder};
 use crate::input::InputController;
+
+/// Show the debug console window (Windows only)
+#[cfg(windows)]
+fn show_debug_console() {
+    unsafe {
+        let hwnd = GetConsoleWindow();
+        if hwnd.0 == std::ptr::null_mut() {
+            let _ = AllocConsole();
+            tracing::info!("Debug console window opened");
+        } else {
+            let _ = ShowWindow(hwnd, SW_SHOW);
+            tracing::info!("Debug console window shown");
+        }
+    }
+}
+
+#[cfg(not(windows))]
+fn show_debug_console() {
+    // No-op on non-Windows platforms
+}
 use crate::proto::{Message, message, ChatMessage};
 use crate::transport::WebSocketTransport;
 use crate::tray::{TrayController, TrayAction};
@@ -195,6 +220,9 @@ impl SessionManager {
                             // TODO: Show a details dialog
                             tracing::info!("User requested details (not yet implemented)");
                         }
+                        TrayAction::ShowDebugWindow => {
+                            show_debug_console();
+                        }
                     }
                 }
 

agent/src/tray/mod.rs

@@ -22,7 +22,7 @@ use windows::Win32::UI::WindowsAndMessaging::{
 pub enum TrayAction {
     EndSession,
     ShowDetails,
-    // Future: OpenChat,
+    ShowDebugWindow,
 }
 
 /// Tray icon controller
@@ -30,6 +30,7 @@ pub struct TrayController {
     _tray_icon: TrayIcon,
     menu: Menu,
     end_session_item: MenuItem,
+    debug_item: MenuItem,
     status_item: MenuItem,
     exit_requested: Arc<AtomicBool>,
 }
@@ -57,11 +58,15 @@ impl TrayController {
             MenuItem::new("Managed by Administrator", false, None)
         };
 
+        // Debug window option (always available)
+        let debug_item = MenuItem::new("Show Debug Window", true, None);
+
         // Build menu
         let menu = Menu::new();
         menu.append(&status_item)?;
         menu.append(&machine_item)?;
         menu.append(&separator)?;
+        menu.append(&debug_item)?;
         menu.append(&end_session_item)?;
 
         // Create tray icon
@@ -79,6 +84,7 @@ impl TrayController {
             _tray_icon: tray_icon,
             menu,
             end_session_item,
+            debug_item,
             status_item,
             exit_requested,
         })
@@ -107,6 +113,10 @@ impl TrayController {
                 self.exit_requested.store(true, Ordering::SeqCst);
                 return Some(TrayAction::EndSession);
             }
+            if event.id == self.debug_item.id() {
+                info!("Debug window requested from tray menu");
+                return Some(TrayAction::ShowDebugWindow);
+            }
         }
 
         // Check for tray icon events (like double-click)