* incremental parquet writing
* add .finalise() and a backup __del__ for stopping writers
* fix missing import
* precommit fixes added back the use of embed images
* added lazy loading for hf_Dataset to avoid frequently reloading the dataset during recording
* fix bug in video timestamps
* Added proper closing of parquet file before reading
* Added rigorous testing to validate the consistency of the meta data after creation of a new dataset
* fix bug in episode index during clear_episode_buffer
* fix(empty concat): check for empty paths list before data files concatenation
* fix(v3.0 message): updating v3.0 backward compatibility message.
* added fixes for the resume logic
* answering co-pilot review
* reverting some changes and style nits
* removed unused functions
* fix chunk_id and file_id when resuming
* - fix parquet loading when resuming
- add test to verify the parquet file integrity when resuming so that data files are now overwritten
* added general function get_file_size_in_mb and removed the one for video
* fix table size value when resuming
* Remove unnecessary reloading of the parquet file when resuming record.
Write to a new parquet file when resuming record
* added back reading parquet file for image datasets only
* - respond to Qlhoest comments
- Use pyarrows `from_pydict` function
- Add buffer for episode metadata to write to the parquet file in batches to improve efficiency
- Remove the use of `to_parquet_with_hf_images`
* fix(dataset_tools) with the new logic using proper finalize
bug in finding the latest path of the metdata that was pointing to the data files
added check for the metadata size in the case the metadatabuffer was not written yet
* nit in flush_metadata_buffer
* fix(lerobot_dataset) return the right dataset len when a subset of the dataset is requested
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Co-authored-by: Harsimrat Sandhawalia <hs.sandhawalia@gmail.com>
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