Update uncap level endpoints to use uncap view

- Change response view from :nested/:full to :uncap for update_uncap_level
- Add default value of 0 for transcendence_step when not provided
- Fix max_uncap_level method call in GridSummonsController

app/controllers/api/v1/grid_characters_controller.rb

@@ -82,12 +82,12 @@ module Api
       # @return [void]
       def update_uncap_level
         @grid_character.uncap_level = character_params[:uncap_level]
-        @grid_character.transcendence_step = character_params[:transcendence_step]
+        @grid_character.transcendence_step = character_params[:transcendence_step] || 0
 
         if @grid_character.save
           render json: GridCharacterBlueprint.render(@grid_character,
                                                      root: :grid_character,
-                                                     view: :nested)
+                                                     view: :uncap)
         else
           render_validation_error_response(@grid_character)
         end

app/controllers/api/v1/grid_summons_controller.rb

@@ -33,7 +33,7 @@ module Api
         # Then, using `tap`, ensure that the uncap_level is set by using the max_uncap_level helper
         # if it hasn't already been provided.
         grid_summon = build_grid_summon.tap do |gs|
-          gs.uncap_level ||= max_uncap_level(gs)
+          gs.uncap_level ||= max_uncap_level(gs.summon)
         end
 
         # If the grid summon is valid (i.e. it passes all validations), then save it normally.
@@ -84,7 +84,7 @@ module Api
         new_transcendence_step = summon.transcendence && summon_params[:transcendence_step].present? ? summon_params[:transcendence_step] : 0
 
         if @grid_summon.update(uncap_level: new_uncap_level, transcendence_step: new_transcendence_step)
-          render json: GridSummonBlueprint.render(@grid_summon, view: :nested, root: :grid_summon)
+          render json: GridSummonBlueprint.render(@grid_summon, view: :uncap, root: :grid_summon)
         else
           render_validation_error_response(@grid_summon)
         end

app/controllers/api/v1/grid_weapons_controller.rb

@@ -74,8 +74,8 @@ module Api
         requested_uncap = weapon_params[:uncap_level].to_i
         new_uncap = requested_uncap > max_uncap ? max_uncap : requested_uncap
 
-        if @grid_weapon.update(uncap_level: new_uncap, transcendence_step: weapon_params[:transcendence_step].to_i)
-          render json: GridWeaponBlueprint.render(@grid_weapon, view: :full, root: :grid_weapon), status: :ok
+        if @grid_weapon.update(uncap_level: new_uncap, transcendence_step: (weapon_params[:transcendence_step] || 0).to_i)
+          render json: GridWeaponBlueprint.render(@grid_weapon, view: :uncap, root: :grid_weapon), status: :ok
         else
           render_validation_error_response(@grid_weapon)
         end