drop the process markers from the remaining ceiling comments

app/src/main/kotlin/com/subtracks/data/repo/DownloadRepository.kt

@@ -248,10 +248,9 @@ class DownloadRepository(
             return@withContext
         }
         // Under one lock, so a cancel that lands mid-loop waits for the queue to be complete and
-        // then removes all of it, rather than missing the songs enqueued after it looked.
-        // ponytail: the lock is held for the whole insert pass, so cancel latency scales with the
-        // list length; the promote below hands over at most IN_FLIGHT_LIMIT, which is what keeps
-        // the platform's queue (and our poll writes) bounded.
+        // then removes all of it, rather than missing the songs enqueued after it looked. Holding
+        // it for the whole insert pass makes cancel latency scale with the list length; the promote
+        // below hands over at most IN_FLIGHT_LIMIT, which bounds the platform's queue.
         val promoted =
             mutex.withLock {
                 songIds.forEach { songId ->

app/src/main/kotlin/com/subtracks/data/sync/SyncService.kt

@@ -93,8 +93,7 @@ class SyncService(
         library.deleteOrphanPlaylistSongs(source.id)
     }
 
-    // ponytail: one commit per batch means Room notifies paged observers once per batch; gate
-    // UI observation on SyncStatus.Running if that churn is ever noticeable.
+    // One commit per batch, so Room notifies paged observers once per batch rather than per row.
     private suspend fun <T> write(
         table: String,
         columns: List<String>,

app/src/main/kotlin/com/subtracks/playback/PlaybackController.kt

@@ -1465,8 +1465,8 @@ class PlaybackController(
         const val SEED_PIN_TRIES = 1_000_000
         const val FILE_SCHEME = "file:"
 
-        // ponytail: walks the queue one row at a time to find the next downloaded track; swap for a
-        // single query over the downloaded ids if a sparse queue ever makes the scan noticeable.
+        // The offline scan walks the queue one row at a time to find the next downloaded track, so
+        // this caps the work on a sparse queue.
         const val OFFLINE_SCAN_LIMIT = 10_000L
     }
 }