Combine uuid-old and uuid branch changes

- Switch to binary 16 for UUID keys
- Remove AccountScopedRecord base class, all model use binary uuids now
- Fix the search sql to serialize uuids properly
- Patch the MySQL schema dumper to output binary lengths

lib/rails_ext/active_record_uuid_type.rb

@@ -0,0 +1,37 @@
+# Custom UUID attribute type for MySQL binary storage with base36 string representation
+module ActiveRecord
+  module Type
+    class Uuid < Binary
+      BASE36_LENGTH = 25 # 36^25 > 2^128
+
+      def self.generate
+        uuid = SecureRandom.uuid_v7
+        hex = uuid.delete("-")
+        hex.to_i(16).to_s(36).rjust(25, "0")
+      end
+
+      def serialize(value)
+        return unless value
+
+        hex = value.to_s.to_i(36).to_s(16).rjust(32, "0")
+        binary = hex.scan(/../).map(&:hex).pack("C*")
+        binary.force_encoding(Encoding::BINARY)
+      end
+
+      def deserialize(value)
+        return unless value
+
+        hex = value.unpack1("H*")
+        hex.to_i(16).to_s(36).rjust(BASE36_LENGTH, "0")
+      end
+
+      def cast(value)
+        deserialize(serialize(value))
+      end
+
+    end
+  end
+end
+
+# Register the UUID type for Trilogy adapter
+ActiveRecord::Type.register(:uuid, ActiveRecord::Type::Uuid, adapter: :trilogy)