style: auto-format example files with lux fmt

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

examples/shell.lux

@@ -1,58 +1,43 @@
-// Shell/Process example - demonstrates the Process effect
-//
-// This script runs shell commands and uses environment variables
-
 fn main(): Unit with {Process, Console} = {
     Console.print("=== Lux Shell Example ===")
     Console.print("")
-
-    // Get current working directory
     let cwd = Process.cwd()
     Console.print("Current directory: " + cwd)
     Console.print("")
-
-    // Get environment variables
     Console.print("Environment variables:")
     match Process.env("USER") {
-        Some(user) => Console.print("  USER: " + user),
-        None => Console.print("  USER: (not set)")
-    }
+    Some(user) => Console.print("  USER: " + user),
+    None => Console.print("  USER: (not set)"),
+}
     match Process.env("HOME") {
-        Some(home) => Console.print("  HOME: " + home),
-        None => Console.print("  HOME: (not set)")
-    }
+    Some(home) => Console.print("  HOME: " + home),
+    None => Console.print("  HOME: (not set)"),
+}
     match Process.env("SHELL") {
-        Some(shell) => Console.print("  SHELL: " + shell),
-        None => Console.print("  SHELL: (not set)")
-    }
+    Some(shell) => Console.print("  SHELL: " + shell),
+    None => Console.print("  SHELL: (not set)"),
+}
     Console.print("")
-
-    // Run shell commands
     Console.print("Running shell commands:")
-
     let date = Process.exec("date")
     Console.print("  date: " + String.trim(date))
-
     let kernel = Process.exec("uname -r")
     Console.print("  kernel: " + String.trim(kernel))
-
     let files = Process.exec("ls examples/*.lux | wc -l")
     Console.print("  .lux files in examples/: " + String.trim(files))
     Console.print("")
-
-    // Command line arguments
     Console.print("Command line arguments:")
     let args = Process.args()
     let argCount = List.length(args)
     if argCount == 0 then {
-        Console.print("  (no arguments)")
-    } else {
-        Console.print("  Count: " + toString(argCount))
-        match List.head(args) {
-            Some(first) => Console.print("  First: " + first),
-            None => Console.print("  First: (empty)")
-        }
-    }
+    Console.print("  (no arguments)")
+} else {
+    Console.print("  Count: " + toString(argCount))
+    match List.head(args) {
+    Some(first) => Console.print("  First: " + first),
+    None => Console.print("  First: (empty)"),
+}
+}
 }
 
 let result = run main() with {}