fix: journal in-game room insert/remove, rewrite non-room room refs on rename/swap, seed admin grid from edited room, type action switches

1 files changed, 20 insertions, 4 deletions

diff --git a/internal/admin/api_rooms.go b/internal/admin/api_rooms.go
index ca7ad06..efc466c 100644
--- a/internal/admin/api_rooms.go
+++ b/internal/admin/api_rooms.go
@@ -101,7 +101,7 @@ func (s *AdminServer) handleRooms(w http.ResponseWriter, r *http.Request) {
 			opp, validDir := world.OppositeExit[dir]
 			if validDir {
 				conflicts := 0
-				world.BuildGrid(s.cfg.StartingRoom, func(rid int) (*world.Room, bool) {
+				world.BuildGrid(*linkFrom, func(rid int) (*world.Room, bool) {
 					if rid == id {
 						ex := make(map[world.ExitDir]world.ExitDef)
 						if !linkOneWay {
@@ -571,7 +571,11 @@ func (s *AdminServer) handleRoomLink(w http.ResponseWriter, r *http.Request) {
 				return
 			}
 		} else {
-			grid := world.BuildGrid(s.cfg.StartingRoom, func(id int) (*world.Room, bool) {
+			// Auto-detect the direction from the room being edited, not the
+			// configured starting room: a detached in-progress area is not
+			// reachable from the start room, and seeding there would report
+			// both rooms as unreachable even though they are adjacent.
+			grid := world.BuildGrid(body.From, func(id int) (*world.Room, bool) {
 				room, err := s.world.LoadRoom(id)
 				if err != nil {
 					log.Printf("link: BuildGrid failed to load room %d: %v", id, err)
@@ -583,7 +587,7 @@ func (s *AdminServer) handleRoomLink(w http.ResponseWriter, r *http.Request) {
 			cA, okA := grid.Coord[body.From]
 			cB, okB := grid.Coord[body.To]
 			if !okA || !okB {
-				writeJSONError(w, "one or both rooms are not reachable from the seed room", http.StatusBadRequest)
+				writeJSONError(w, "rooms are not in the same connected component; specify a direction explicitly", http.StatusBadRequest)
 				return
 			}
 			if cA[2] != cB[2] {
@@ -636,7 +640,7 @@ func (s *AdminServer) handleRoomLink(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 
-		conflicts := world.BuildGridConflicts(s.cfg.StartingRoom, func(id int) (*world.Room, bool) {
+		conflicts := world.BuildGridConflicts(body.From, func(id int) (*world.Room, bool) {
 			room, err := s.world.LoadRoom(id)
 			if err != nil {
 				log.Printf("link: conflict test BuildGrid failed to load room %d: %v", id, err)
@@ -1062,6 +1066,15 @@ func (s *AdminServer) handleRoomRename(w http.ResponseWriter, r *http.Request) {
 		}
 		refUpdates++
 	}
+	// Non-room content (courses, modules, triggers, items, objects, mobs)
+	// carries structural room references too. Update it in the same journaled
+	// commit, or a renamed room leaves a course obstacle or transport
+	// destination pointing at an ID that no longer exists.
+	contentExtras, err := rewriteContentRoomRefs(s.dataDir, idMap, txn)
+	if err != nil {
+		writeJSONError(w, "plan content write: "+err.Error(), http.StatusInternalServerError)
+		return
+	}
 	if err := txn.Commit(); err != nil {
 		writeJSONError(w, "commit rename: "+err.Error(), http.StatusInternalServerError)
 		return
@@ -1101,6 +1114,9 @@ func (s *AdminServer) handleRoomRename(w http.ResponseWriter, r *http.Request) {
 			})
 		}
 	}
+	// Content-file rewrites are part of the same change, so undo restores
+	// them alongside the room files.
+	change.ExtraFiles = append(change.ExtraFiles, contentExtras...)
 	s.undoStack.Push(change)
 	writeJSON(w, map[string]any{"ok": true, "refs": refUpdates})
 }