style: auto-format example files with lux fmt

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

examples/stress_rc.lux

@@ -1,8 +1,4 @@
-// Stress test for RC system with large lists
-// Tests FBIP optimization with single-owner chains
-
 fn processChain(n: Int): Int = {
-    // Single owner chain - FBIP should reuse lists
     let nums = List.range(1, n)
     let doubled = List.map(nums, fn(x: Int): Int => x * 2)
     let filtered = List.filter(doubled, fn(x: Int): Bool => x > n)
@@ -12,13 +8,10 @@ fn processChain(n: Int): Int = {
 
 fn main(): Unit = {
     Console.print("=== RC Stress Test ===")
-
-    // Run multiple iterations of list operations
     let result1 = processChain(100)
     let result2 = processChain(200)
     let result3 = processChain(500)
     let result4 = processChain(1000)
-
     Console.print("Completed 4 chains")
     Console.print("Sizes: 100, 200, 500, 1000")
 }