chore: fix electron-builder and add package metadata

- Add Python with setuptools to devenv.nix for node-gyp compatibility
- Remove Tauri dependencies from devenv (replaced by Electron)
- Add author, homepage, license to package.json for electron-builder
- Simplify Linux target to AppImage only

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

lamassu-next/apps/machine/package.json

@@ -2,6 +2,12 @@
   "name": "@lamassu/machine",
   "version": "0.1.0",
   "description": "Electron ATM kiosk application with Vue 3 UI",
+  "author": {
+    "name": "AIO Labs",
+    "email": "dev@aiolabs.dev"
+  },
+  "homepage": "https://aiolabs.dev",
+  "license": "AGPL-3.0",
   "type": "module",
   "main": "dist-electron/main.js",
   "scripts": {
@@ -57,8 +63,7 @@
     ],
     "linux": {
       "target": [
-        "AppImage",
-        "deb"
+        "AppImage"
       ],
       "category": "Finance"
     }

lamassu-next/devenv.nix

@@ -33,11 +33,11 @@
     openssl
     openssl.dev
 
-    # Tauri dependencies (Linux)
-    gtk3
-    webkitgtk_4_1
-    libappindicator-gtk3
-    librsvg
+    # Electron dependencies (Linux)
+    # electron  # Use npm-installed electron instead
+
+    # Python for node-gyp (native module builds)
+    (python3.withPackages (ps: [ ps.setuptools ]))
 
     # Hardware access
     libusb1