diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
new file mode 100644
index 00000000..75132889
--- /dev/null
+++ b/.github/workflows/build-test.yml
@@ -0,0 +1,52 @@
+name: Test Electron App Production Build
+
+on:
+  # Runs on pushes targeting the default branch
+  push:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+
+jobs:
+  build-ubuntu:
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build Electron app
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+        run: npm run build
+        
+  build-windows:
+    runs-on: "windows-latest"
+  
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build Electron app
+        env:
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
+        run: npm run build
+
+
+
diff --git a/.github/workflows/prod-test.yml b/.github/workflows/prod-test.yml
new file mode 100644
index 00000000..28093deb
--- /dev/null
+++ b/.github/workflows/prod-test.yml
@@ -0,0 +1,27 @@
+name: Test NPM Production Build
+
+on:
+  # Runs on pushes targeting the default branch
+  push:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+
+jobs:
+  build:
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Setup And Install dependencies
+        run: npm run setup
+
+      - name: dry run production build
+        run: npm run prod-dryrun
\ No newline at end of file
diff --git a/mods/bambu/bambu.js b/mods/bambu/bambu.js
index 6ff97b21..5d182528 100644
--- a/mods/bambu/bambu.js
+++ b/mods/bambu/bambu.js
@@ -126,7 +126,12 @@ self.kiri.load(api => {
         },
         drain() {
             while (socket.open && socket.q.length) {
-                socket.ws.send(JSON.stringify(socket.q.shift()));
+                let data = socket.q.shift();
+                if (data instanceof ArrayBuffer) {
+                    socket.ws.send(data);
+                } else {
+                    socket.ws.send(JSON.stringify(data));
+                }
             }
         },
         send(msg) {
@@ -614,6 +619,16 @@ self.kiri.load(api => {
         }
     }
 
+    function file_send(file, data) {
+        if (selected?.rec?.host) {
+            let { rec } = selected;
+            host = rec.host;
+            serial = rec.serial;
+            password = rec.code;
+            send(file.name, data, false);
+        }
+    }
+
     function calcFG(bg) {
         let r = parseInt(bg.substring(0, 2), 16);
         let g = parseInt(bg.substring(2, 4), 16);
@@ -1007,7 +1022,7 @@ self.kiri.load(api => {
                         ])
                     ]),
 
-                    h.div({ class: "t-body t-inset f-col gap3 pad4 grow" }, [
+                    h.div({ id: "bbl_drop", class: "t-body t-inset f-col gap3 pad4 grow" }, [
                         h.div({ class: "set-header", onclick() {
                             file_list();
                         } }, h.a({ class: "flex f-row grow a-center" }, [
@@ -1050,7 +1065,10 @@ self.kiri.load(api => {
                                 file_print(selected.file.path);
                                 api.alerts.show(`printing: ${selected.file.path}`,2);
                             }}),
-                        ])
+                        ]),
+                        h.div({ id: "bbl_drop_zone", class: "full hide allpe", style: "background-color: rgba(0,255,0,0.75); font-weight: bold" }, [
+                            h.label('drop to upload')
+                        ]),
                     ]),
                     h.div({ class: "t-body t-inset f-col gap3 pad4" }, [
                         h.label({ class: "set-header dev-sel" }, [
@@ -1122,6 +1140,41 @@ self.kiri.load(api => {
             $('bbl_file_delete').disabled =
             $('bbl_file_print').disabled = false;
         });
+        let drop = modal.bbl_drop;
+        let drop_zone = modal.bbl_drop_zone;
+        let drop_timer;
+        drop.ondragenter = (ev) => {
+            if (!selected?.rec?.serial) {
+                return;
+            }
+            drop.classList.add('nope');
+            drop_zone.classList.remove('hide');
+            clearTimeout(drop_timer);
+        };
+        drop_zone.ondragleave = (ev) => {
+            clearTimeout(drop_timer);
+            drop_timer = setTimeout(() => {
+                drop.classList.remove('nope');
+                drop_zone.classList.add('hide');
+            }, 50);
+        };
+        drop_zone.ondrop = (ev) => {
+            drop.classList.remove('nope');
+            drop_zone.classList.add('hide');
+            ev.preventDefault();
+            ev.stopPropagation();
+            let files = ev.dataTransfer.files;
+            console.log('filedrop', files);
+            for (let file of files) {
+                let reader = new FileReader();
+                // reader.file = file;
+                reader.onloadend = (ev) => {
+                    let data = ev.target.result;
+                    file_send(file, data);
+                };
+                reader.readAsArrayBuffer(file);
+            }
+        };
     });
 
     api.event.on("modal.show", which => {
@@ -1251,6 +1304,7 @@ self.kiri.load(api => {
             console.log('Bambu Send', res);
             if (res.sent) {
                 api.alerts.show('File Sent', 3);
+                file_list();
             } else {
                 api.alerts.show('File Send Error', 3);
             }
diff --git a/mods/bambu/init.js b/mods/bambu/init.js
index 25020120..370554c6 100644
--- a/mods/bambu/init.js
+++ b/mods/bambu/init.js
@@ -349,9 +349,13 @@ module.exports = async (server) => {
         wsopen.push(ws);
         debug && util.log('ws open', req.url, wsopen.length);
         wsend({ found });
-        ws.on('message', msg => {
-            msg = JSON.parse(msg);
-            let { cmd, host, code, serial, path, amsmap, direct, frames } = msg;
+        let binaryData;
+        ws.on('message', (msg, isBinary) => {
+            if (isBinary) {
+                return binaryData = msg;
+            }
+            msg = isBinary ? msg : JSON.parse(msg.toString());
+            let { cmd, host, code, serial, path, amsmap, direct, frames, file, data } = msg;
             switch (cmd) {
                 case "monitor":
                     get_mqtt(host, code, serial, message => {
diff --git a/package.json b/package.json
index 3dfb17e4..a09a9fab 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "grid-apps",
-    "version": "4.1.6",
+    "version": "4.1.7",
     "description": "grid.space 3d slicing & modeling tools",
     "author": "Stewart Allen <sa@grid.space>",
     "license": "MIT",
@@ -36,7 +36,7 @@
     },
     "dependencies": {
         "@fortawesome/fontawesome-free": "^6.1.1",
-        "@gridspace/app-server": "^0.0.15",
+        "@gridspace/app-server": "^0.0.16",
         "@gridspace/net-level-client": "^0.2.3",
         "@tracespace/parser": "^5.0.0-next.0",
         "@tweenjs/tween.js": "^16.6.0",
@@ -55,7 +55,7 @@
         "three-mesh-bvh": "^0.7.6",
         "uglify-js": "3.14.5",
         "validator": ">=13.7.0",
-        "ws": "^7.5.5"
+        "ws": "^8.18.2"
     },
     "devDependencies": {
         "@electron/notarize": "^3.0.0",
@@ -72,6 +72,7 @@
         "setup": "npm i && cd mods && npm i",
         "dev": "gs-app-server --debug",
         "prod": "gs-app-server",
+        "prod-dryrun": "gs-app-server --dryrun",
         "start": "npm run prebuild && electron .",
         "start-dev": "npm run prebuild && electron . --devel",
         "start-dbg": "npm run prebuild && electron . --debugg",
diff --git a/src/moto/license.js b/src/moto/license.js
index 9d24a228..05f7cb15 100644
--- a/src/moto/license.js
+++ b/src/moto/license.js
@@ -5,7 +5,7 @@
     let terms = {
         COPYRIGHT: "Copyright (C) Stewart Allen <sa@grid.space> - All Rights Reserved",
         LICENSE: "See the license.md file included with the source distribution",
-        VERSION: (is_self ? self : this).debug_version || "4.1.6"
+        VERSION: (is_self ? self : this).debug_version || "4.1.7"
     };
 
     if (typeof(module) === 'object') {
diff --git a/web/kiri/index.css b/web/kiri/index.css
index 65c51cd2..a35f0b7f 100644
--- a/web/kiri/index.css
+++ b/web/kiri/index.css
@@ -646,6 +646,23 @@ details[open] summary::after {
 .contents {
     display: contents;
 }
+.full {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+}
+.nope, .nope * {
+    pointer-events: none;
+}
+.allpe {
+    pointer-events: auto !important;
+}
 .hide {
     display: none !important;
 }
diff --git a/web/kiri/manifest.json b/web/kiri/manifest.json
index 4c762d51..84bfb412 100644
--- a/web/kiri/manifest.json
+++ b/web/kiri/manifest.json
@@ -1,5 +1,5 @@
 {
-    "name": "Kiri:Moto 4.1.6",
+    "name": "Kiri:Moto 4.1.7",
     "short_name": "Kiri:Moto",
     "description": "Slicer for 3D printers, CNC mills, laser cutters and more",
     "start_url": "/kiri/",