Fix Collatz demo to use integer division (#1541)

- Change self.count /= 2 to self.count //= 2 in run_step method
- Ensures int state variable receives int values instead of float
- Maintains mathematical correctness of Collatz conjecture algorithm

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: [email protected] <[email protected]>

Author: devin-ai-integration[bot]

docs/events/chaining_events.md

@@ -74,7 +74,7 @@ class CollatzState(rx.State):
 
             if self.count % 2 == 0:
                 # If the number is even, divide by 2.
-                self.count /= 2
+                self.count //= 2
             else:
                 # If the number is odd, multiply by 3 and add 1.
                 self.count = self.count * 3 + 1