feat(editors): restore vscode alongside zed for build123d workflows

- linux: programs.vscode via pkgs-master with gnome-libsecret password store
- darwin: visual-studio-code cask + aerospace window rules
- idols-ai: persist .vscode and .config/Code (Settings Sync handles extensions)
- xdg: code.desktop editor association and vscode:// scheme handler

home/darwin/aerospace/aerospace.toml

@@ -280,6 +280,10 @@ run = ['layout floating', 'move-node-to-workspace 9File']
 if.app-id = 'com.apple.Preview'
 run = ['layout floating', 'move-node-to-workspace 9File']
 
+[[on-window-detected]]
+if.app-id = 'com.microsoft.VSCode'
+run = ['layout floating', 'move-node-to-workspace 9File']
+
 [[on-window-detected]]
 if.app-id = 'com.todesktop.230313mzl4w4u92' # Cursor AI Editor
 run = ['layout floating', 'move-node-to-workspace 9File']