Merge pull request #11468 from tobymao/1837-sr1-sd-minors

[1837] Maintain unauctioned start packets in SR1 and coal companies have no end game value

lib/engine/game/g_1837/entities.rb

@@ -323,7 +323,7 @@ module Entities
             sym: 'SD2',
             value: 120,
             desc: "Director's certificate of the minor company Kärntner Railway (SD2). The company " \
-                  "starts in Marburg (J16) with 90K starting capital.\n\n =Comes with the Mountain Railway " \
+                  "starts in Marburg (J16) with 90K starting capital.\n\nComes with the Mountain Railway " \
                   'Karawanken Railway (J12) that has a value of 120K and a revenue of 25K.',
             color: :orange,
             meta: { start_packet: true },

lib/engine/game/g_1837/game.rb

@@ -286,7 +286,7 @@ def initial_auction_companies
 
         def setup
           non_purchasable = @companies.flat_map do |c|
-            Array(c.meta['additional_companies']) + [c.meta['hidden'] ? c.id : nil]
+            [abilities(c, :acquire_company, time: 'any')&.company, c.meta['hidden'] ? c.id : nil]
           end.compact
           @companies.each { |company| company.owner = @bank unless non_purchasable.include?(company.id) }
           setup_mines
@@ -623,6 +623,7 @@ def corporation_show_individual_reserved_shares?
         end
 
         def unowned_purchasable_companies(_entity)
+          @companies.select { |company| company.meta[:start_packet] }
           @companies.select { |c| c.owner == @bank }
         end
 
@@ -640,6 +641,7 @@ def after_buy_company(player, company, _price)
             minor = minor_by_id(company.id)
             minor.owner = player
             float_minor!(minor)
+            company.value = 0
           end
 
           abilities(company, :acquire_company) do |ability|