refactor: split casino.go, dedup helpers, remove audit docs

1 files changed, 25 insertions, 21 deletions

diff --git a/internal/admin/api_rooms.go b/internal/admin/api_rooms.go
index 06e736c..72f4a2c 100644
--- a/internal/admin/api_rooms.go
+++ b/internal/admin/api_rooms.go
@@ -349,26 +349,9 @@ func (s *AdminServer) handleRoomByID(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
-		courseID, _ := s.detachRoomFromCourse(id)
-
-		if err := os.Remove(path); err != nil {
-			failJSON(w, fmt.Sprintf("delete room: %v", err))
-			return
-		}
-
-		s.world.RebuildRoomIndex(s.dataDir)
-		s.world.ClearRoomState(id)
-		// Drop the room's live mob instances too, or they keep wandering and
-		// are returned by MobsInRoom for a room that no longer exists.
-		if s.mobStore != nil {
-			s.mobStore.RemoveMobsInRoom(id)
-		}
-		// Drop any cached in-room games (tables/machines) and refund their
-		// outstanding wagers — same eviction semantics as bulk delete.
-		if s.evictRoom != nil {
-			s.evictRoom(id)
-		}
-
+		// Clean up references and exits in every OTHER room BEFORE deleting this
+		// one: a failed write then aborts with the world untouched, instead of
+		// leaving dangling exits while reporting success.
 		allIDs, _ := listRoomIDs(s.dataDir)
 		var extraFiles []ExtraFile
 		var exitCleaned int
@@ -395,7 +378,8 @@ func (s *AdminServer) handleRoomByID(w http.ResponseWriter, r *http.Request) {
 					oldExtra, _ := snapshotFile(otherPath)
 					newContent, writeErr := writeYAMLFile(otherPath, otherRoom)
 					if writeErr != nil {
-						continue
+						failJSON(w, fmt.Sprintf("clean exits in room %d: %v", otherID, writeErr))
+						return
 					}
 					extraFiles = append(extraFiles, ExtraFile{
 						FilePath:   otherPath,
@@ -407,6 +391,26 @@ func (s *AdminServer) handleRoomByID(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 
+		courseID, _ := s.detachRoomFromCourse(id)
+
+		if err := os.Remove(path); err != nil {
+			failJSON(w, fmt.Sprintf("delete room: %v", err))
+			return
+		}
+
+		s.world.RebuildRoomIndex(s.dataDir)
+		s.world.ClearRoomState(id)
+		// Drop the room's live mob instances too, or they keep wandering and
+		// are returned by MobsInRoom for a room that no longer exists.
+		if s.mobStore != nil {
+			s.mobStore.RemoveMobsInRoom(id)
+		}
+		// Drop any cached in-room games (tables/machines) and refund their
+		// outstanding wagers — same eviction semantics as bulk delete.
+		if s.evictRoom != nil {
+			s.evictRoom(id)
+		}
+
 		s.undoStack.Push(ChangeDesc{
 			Description: fmt.Sprintf("delete room %d (cleaned %d exits)", id, exitCleaned),
 			FilePath:    path,