Create room 042 (Fisherman's Shack Inside) and wire to room 007

- Added kq4_042_fishermans_shack_inside scene with south exit to room 007
- Updated room 007 to add transition to room 042 (bidirectional connection)
- Fixed corrupted room 007 script file
- Both transitions validated with exit checker

scenes/kq4_007_fishermans_shack/kq4_007_fishermans_shack.gd

@@ -1,5 +1,36 @@
+extends Scene
+
+
+func _on_beach_interacted() -> void:
+	$kq4_001_beach.default_script(self)
+
+
+func _on_back_of_fishermans_shack_interacted() -> void:
+	$kq4_008_back_of_fishermans_shack.default_script(self)
+
+
+func _on_beach_2_interacted() -> void:
+	$kq4_013_beach.default_script(self)
+
+
+func _on_fishermans_shack_inside_interacted() -> void:
+	$kq4_042_fishermans_shack_inside.default_script(self)
+
+
+func _on_fishermans_house_looked() -> void:
+	start_main_script(ScriptBuilder.init(
+		ScriptBuilder.narrate("It's a small, shabby shack.")
+	).build(self, "_on_script_complete"))
+
+
+func _on_door_interacted() -> void:
+	$kq4_042_fishermans_shack_inside.default_script(self)
+
+
+func _on_window_looked() -> void:
+	start_main_script(ScriptBuilder.init(
 		ScriptBuilder.narrate("You peek through the window, but can make out no details.")
-	).build(self, "_on_script_complete")
+	).build(self, "_on_script_complete"))
 
 
 func _on_pier_looked() -> void:
@@ -11,4 +42,4 @@ func _on_pier_looked() -> void:
 func _on_room_looked() -> void:
 	start_main_script(ScriptBuilder.init(
 		ScriptBuilder.narrate("You stand at the fisherman's shack.")
-	).build(self, "_on_script_complete")
+	).build(self, "_on_script_complete"))