From 01493d4e3ae2037393c249e318dc8e56a43c9896 Mon Sep 17 00:00:00 2001
From: Ian Chua <iancrb00@gmail.com>
Date: Tue, 4 Aug 2026 14:30:59 +0800
Subject: [PATCH] Add developer flag for printer agents

---
 src/libslic3r/AppConfig.cpp    | 6 ++++++
 src/slic3r/GUI/Preferences.cpp | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/src/libslic3r/AppConfig.cpp b/src/libslic3r/AppConfig.cpp
index 159d9bbeda..1b170bf884 100644
--- a/src/libslic3r/AppConfig.cpp
+++ b/src/libslic3r/AppConfig.cpp
@@ -626,6 +626,12 @@ void AppConfig::set_defaults()
         set_bool("window_buttons_on_left", false);
 #endif
 
+    if (get("use_printer_agents").empty())
+    {
+        // false = legacy behavior using print hosts
+        set_bool("use_printer_agents", false);
+    }
+
     // Remove legacy window positions/sizes
     erase("app", "main_frame_maximized");
     erase("app", "main_frame_pos");
diff --git a/src/slic3r/GUI/Preferences.cpp b/src/slic3r/GUI/Preferences.cpp
index 6bcc00848b..1a3c6fd26a 100644
--- a/src/slic3r/GUI/Preferences.cpp
+++ b/src/slic3r/GUI/Preferences.cpp
@@ -2101,6 +2101,12 @@ void PreferencesDialog::create_items()
     auto item_show_unsupported = create_item_checkbox(_L("Show unsupported presets"), _L("Show incompatible/unsupported presets in the printer and filament dropdown lists. These presets cannot be selected."), "show_unsupported_presets");
     g_sizer->Add(item_show_unsupported);
 
+    auto item_plugin_printer_agents = create_item_checkbox(
+        _L("(Experimental) Use printer agents instead of print hosts"), _L(
+            "Route print jobs for non-Bambu printers through printer plug-in agents instead of the classic print-host upload flow.\nWhen disabled, OrcaSlicer uses the legacy print-host behavior."),
+        "use_printer_agents");
+    g_sizer->Add(item_plugin_printer_agents);
+
     //// DEVELOPER > Experimental Features
     g_sizer->Add(create_item_title(_L("Experimental Features")), 1, wxEXPAND);