Implement Channel Points Twungeon MVP

Twungeon_MVP_PRD_Current.md

@@ -35,7 +35,7 @@ The MVP should demonstrate that multiple Twitch viewers can:
 - encounter and fight a basic enemy,
 - heal themselves,
 - die and remain inactive for the current floor,
-- resurrect through Bits,
+- resurrect through a configured Channel Points reward,
 - advance the entire party by reaching the exit,
 - revive dead players on floor advancement,
 - and reset the run when all participating players die.
@@ -81,7 +81,7 @@ When a valid `!spawn` command is received:
 
 Only one active character may exist per Twitch user.
 
-A follower who has died on the current floor cannot use `!spawn` to bypass death. That player must wait for either a Bits resurrection or advancement to the next floor.
+A follower who has died on the current floor cannot use `!spawn` to bypass death. That player must wait for either a Channel Points resurrection or advancement to the next floor.
 
 ### 3.4 Twitch Identity Binding
 
@@ -153,7 +153,7 @@ It must provide clear confirmation of significant game actions and state changes
 - AutoGuard blocks,
 - self-heal use,
 - player death,
-- Bits resurrection,
+- Channel Points resurrection,
 - Goblin aggro or return behavior when useful,
 - floor advancement,
 - dormant-state changes,
@@ -489,22 +489,24 @@ There is no timed automatic resurrection.
 
 A dead player returns to play only through:
 
-1. immediate Bits resurrection, or
+1. immediate Channel Points resurrection, or
 2. another living player reaching the next floor.
 
 ---
 
-## 17. Bits Resurrection
+## 17. Channel Points Resurrection
 
-A dead player may use the Twitch Bits mechanism to resurrect immediately during the current floor.
+A dead player may redeem the configured Twitch Channel Points custom reward to resurrect immediately during the current floor.
 
-Upon successful Bits resurrection:
+Upon successful Channel Points redemption:
 
 - the player's dead state is removed,
 - the player returns to active play on the current floor,
 - and the player may participate in subsequent Player Phases.
 
-The exact Bits price is not required to be finalized before implementation of the core MVP.
+The broadcaster configures the reward cost in Twitch. Twungeon identifies the reward by its stable reward ID and does not duplicate or override its cost in domain code.
+
+Bits and Cheers are outside the MVP and must not trigger game-state changes.
 
 ---
 
@@ -572,7 +574,7 @@ The setup documentation must cover at minimum:
 - follower eligibility verification,
 - receiving and processing `!spawn`,
 - chat-to-Extension Twitch identity binding,
-- Bits resurrection event setup,
+- Channel Points custom reward and redemption EventSub setup,
 - separation and protection of secrets,
 - local/development testing,
 - live-channel testing,
@@ -671,7 +673,7 @@ The MVP is successful if it demonstrates that:
 22. A surviving player can reach the exit without necessarily killing the Goblin and advance the entire group.
 23. Dead players return when the floor advances.
 24. A player who died on the current floor cannot bypass death by using `!spawn`.
-25. Bits can resurrect the correct dead player during the current floor.
+25. The configured Channel Points reward can resurrect the correct dead player during the current floor.
 26. A total-party wipe resets the run to Floor 1.
 27. Zero active players is distinguished from a total-party wipe.
 28. An eligible follower who has not died on the current floor can `!spawn` into an otherwise empty current floor.