First commit!

app/models/path_segment.rb

@@ -0,0 +1,17 @@
+class PathSegment < ApplicationRecord
+  validates :segment, presence: true, uniqueness: true
+  validates :usage_count, presence: true, numericality: { greater_than: 0 }
+
+  # Class method to find or create a segment
+  def self.find_or_create_segment(segment)
+    find_or_create_by(segment: segment) do |path_segment|
+      path_segment.usage_count = 1
+      path_segment.first_seen_at = Time.current
+    end
+  end
+
+  # Increment usage count
+  def increment_usage!
+    increment!(:usage_count)
+  end
+end