Add a rules controller

app/models/current.rb

@@ -6,11 +6,11 @@ class Current < ActiveSupport::CurrentAttributes
   attribute :project
   attribute :ip
 
-  def self.baffle_host
+  def baffle_host
     @baffle_host || ENV.fetch("BAFFLE_HOST", "localhost:3000")
   end
 
-  def self.baffle_internal_host
+  def baffle_internal_host
     @baffle_internal_host || ENV.fetch("BAFFLE_INTERNAL_HOST", nil)
   end
 end

app/models/project.rb

@@ -43,15 +43,16 @@ class Project < ApplicationRecord
   end
 
   def dsn
-    host = Current.baffle_host || "localhost:3000"
+    host = Current.baffle_host || ENV.fetch("BAFFLE_HOST", "localhost:3000")
     protocol = host.include?("localhost") ? "http" : "https"
     "#{protocol}://#{public_key}@#{host}/#{slug}"
   end
 
   def internal_dsn
-    return nil unless Current.baffle_internal_host.present?
+    internal_host = Current.baffle_internal_host || ENV.fetch("BAFFLE_INTERNAL_HOST", nil)
+    return nil unless internal_host.present?
 
-    host = Current.baffle_internal_host
+    host = internal_host
     protocol = "http"  # Internal connections use HTTP
     "#{protocol}://#{public_key}@#{host}/#{slug}"
   end

app/models/rule.rb

@@ -62,8 +62,15 @@ class Rule < ApplicationRecord
   end
 
   # Class method to get latest version (for sync cursor)
+  # Returns microsecond Unix timestamp for efficient machine comparison
   def self.latest_version
-    maximum(:updated_at)&.iso8601(6) || Time.current.iso8601(6)
+    max_time = maximum(:updated_at)
+    if max_time
+      # Convert to microseconds since epoch
+      (max_time.to_f * 1_000_000).to_i
+    else
+      (Time.current.to_f * 1_000_000).to_i
+    end
   end
 
   # Disable rule (soft delete)