506. Longest Sequence of Identical Beads

You are given a string beads representing a necklace of colored beads. Each character in the string represents a specific color. Your task is to find the length of the longest contiguous segment of beads that are all the same color.

Example:
Input: beads = "aaabbbbcc"
Output: 4

Run this challenge interactively in Python or JavaScript when the app loads.