Refactor emacs configuration and clean up lab-tool project

- Reorganized emacs configuration with profiles in modules/development/emacs.nix
- Updated machine configurations to use new emacs module structure
- Cleaned up lab-tool project by removing archive, research, testing, and utils directories
- Streamlined lab-tool to focus on core deployment functionality with deploy-rs
- Added DEVELOPMENT.md documentation for lab-tool

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

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

machines/congenital-optimist/configuration.nix

@@ -68,7 +68,7 @@
   # Emacs workstation configuration
   services.emacs-profiles = {
     enable = true;
-    profile = "workstation";
+    profile = "gui";
     enableDaemon = true;
     user = "geir";
   };

machines/grey-area/configuration.nix

@@ -49,7 +49,7 @@
   # Emacs server configuration (minimal for services host)
   services.emacs-profiles = {
     enable = true;
-    profile = "server";
+    profile = "nox";
     enableDaemon = false;
     user = "sma";
   };

machines/little-rascal/configuration.nix

@@ -79,10 +79,10 @@
     kernel.sysctl."vm.swappiness" = 180;
   };
 
-  # Emacs laptop configuration
+  # Emacs GUI configuration
   services.emacs-profiles = {
     enable = true;
-    profile = "laptop";
+    profile = "gui";
     enableDaemon = true;
     user = "geir";
   };

machines/reverse-proxy/configuration.nix

@@ -49,7 +49,7 @@
   # Emacs server configuration (minimal for edge server)
   services.emacs-profiles = {
     enable = true;
-    profile = "server";
+    profile = "nox";
     enableDaemon = false;
     user = "sma";
   };

machines/sleeper-service/configuration.nix

@@ -53,7 +53,7 @@
   # Emacs server configuration (minimal)
   services.emacs-profiles = {
     enable = true;
-    profile = "server";
+    profile = "nox";
     enableDaemon = false; # Don't run daemon on server
     user = "sma";
   };