Miscellaneous Fixes (0.17 beta) (#21355)

* remove footer messages and add update topic to motion tuner view

restart after changing values is no longer required

* add cache key and activity indicator for loading classification wizard images

* Always mark model as untrained when a classname is changed

* clarify object classification docs

* add debug logs for individual lpr replace_rules

* update memray docs

* memray tweaks

* Don't fail for audio transcription when semantic search is not enabled

* Fix incorrect mismatch for object vs sub label

* Check if the video is currently playing when deciding to seek due to misalignment

* Refactor timeline event handling to allow multiple timeline entries per update

* Check if zones have actually changed (not just count) for event state update

* show event icon on mobile

* move div inside conditional

---------

Co-authored-by: Nicolas Mowen <nickmowen213@gmail.com>

frigate/api/classification.py

@@ -40,6 +40,7 @@ from frigate.util.classification import (
     collect_state_classification_examples,
     get_dataset_image_count,
     read_training_metadata,
+    write_training_metadata,
 )
 from frigate.util.file import get_event_snapshot
 
@@ -842,6 +843,12 @@ def rename_classification_category(
 
     try:
         os.rename(old_folder, new_folder)
+
+        # Mark dataset as ready to train by resetting training metadata
+        # This ensures the dataset is marked as changed after renaming
+        sanitized_name = sanitize_filename(name)
+        write_training_metadata(sanitized_name, 0)
+
         return JSONResponse(
             content=(
                 {