feat(mystery): add altered rooms and drunk sequence

src/world/endings/bad.md

@@ -1,6 +1,13 @@
 ---
 id: bad
 whenFlags:
-  _never: true
+  tookPhotograph: true
 ---
 
+You take the photograph.
+
+The child in it is you.
+
+Behind you, on the stairs, someone has come up to meet you.
+
+You do not go down again.

src/world/endings/mercy.md

@@ -0,0 +1,17 @@
+---
+id: mercy
+whenFlags:
+  nameSpoken: true
+  woofReturned: true
+  basiliskSpared: true
+  burialRingPlaced: true
+  familyResemblanceSeen: true
+---
+
+You remain in the vault until the lamp goes out.
+
+The house is quiet.
+
+Somewhere above, floorboards settle one final time.
+
+By morning, Halfstreet contains one fewer restless thing.

src/world/endings/replacement.md

@@ -0,0 +1,15 @@
+---
+id: replacement
+whenFlags:
+  houseAcceptedYou: true
+  rainRoomEntered: true
+  hallwayShifted: true
+---
+
+You open the front door.
+
+Someone is standing at the gate outside.
+
+They look tired. Rain-darkened. Lost.
+
+After a moment, you understand they have arrived for you.

src/world/endings/true.md

@@ -1,7 +1,18 @@
 ---
 id: true
 whenFlags:
-  ratGone: true
+  nameSpoken: true
+  basiliskSpared: true
+  burialRingPlaced: true
+  familyResemblanceSeen: true
 ---
 
-You stand at the top of the stair. The thing below has settled. The door behind you opens, and outside, finally, is morning.
+You stand in the vault. What is buried at Halfstreet is buried because it was loved, and grieved, and finally let go.
+
+You set the lamp beside it.
+
+You speak the name aloud.
+
+The house settles around you like a long exhalation.
+
+Outside, the road exists again.

src/world/endings/wrong.md

@@ -1,6 +1,15 @@
 ---
 id: wrong
 whenFlags:
-  _never: true
+  disturbedVault: true
 ---
 
+You disturb what should have remained untouched.
+
+The house rearranges itself around your leaving.
+
+Corridors repeat.
+
+Doors return you to themselves.
+
+The hallway grows longer.