feat(progression): add tyrant unlock choices

design/user-stories/us-003-progress-and-purchase-unlocks.md

@@ -2,7 +2,7 @@
 type: User Story
 title: "US-003: Progress and purchase Tyrant unlocks"
 description: Let the Tyrant earn and spend choices by personally defeating the Vigilante.
-status: backlog
+status: done
 ---
 
 # US-003: Progress and purchase Tyrant unlocks
@@ -11,14 +11,14 @@ As the **Tyrant**, I want to earn one meaningful choice for defeating the Vigila
 
 ## Acceptance criteria
 
-- [ ] The Tyrant gains one level and one unlock choice only when personally credited with killing the current Vigilante.
-- [ ] A Vigilante death caused by another player, the environment, or the Vigilante does not level the Tyrant.
-- [ ] Available purchases are Assassin, Fixer, Tamer, roster intelligence, permanent Resistance, and permanent Strength.
-- [ ] Each class or ability can be purchased at most once during a reign.
-- [ ] A menu or command clearly identifies purchased, available, and unavailable choices.
-- [ ] A purchase consumes exactly one unspent choice and cannot be duplicated by retries or concurrent input.
-- [ ] Progress cannot be earned or spent while the game is paused.
-- [ ] Levels, purchases, and unspent choices survive logout and restart but reset when the reign ends.
+- [x] The Tyrant gains one level and one unlock choice only when personally credited with killing the current Vigilante.
+- [x] A Vigilante death caused by another player, the environment, or the Vigilante does not level the Tyrant.
+- [x] Available purchases are Assassin, Fixer, Tamer, roster intelligence, permanent Resistance, and permanent Strength.
+- [x] Each class or ability can be purchased at most once during a reign.
+- [x] A menu or command clearly identifies purchased, available, and unavailable choices.
+- [x] A purchase consumes exactly one unspent choice and cannot be duplicated by retries or concurrent input.
+- [x] Progress cannot be earned or spent while the game is paused.
+- [x] Levels, purchases, and unspent choices survive logout and restart but reset when the reign ends.
 
 ## Related