* fix(caching): convert arg to equivalent kwargs in llm caching handler
prevent unexpected errors
* fix(caching_handler.py): don't pass args to caching
* fix(caching): remove all *args from caching.py
* fix(caching): consistent function signatures + abc method
* test(caching_unit_tests.py): add unit tests for llm caching
ensures coverage for common caching scenarios across different implementations
* refactor(litellm_logging.py): move to using cache key from hidden params instead of regenerating one
* fix(router.py): drop redis password requirement
* fix(proxy_server.py): fix faulty slack alerting check
* fix(langfuse.py): avoid copying functions/thread lock objects in metadata
fixes metadata copy error when parent otel span in metadata
* test: update test
* refactor - use helpers for name space and hashing
* use openai to get the relevant supported params
* use helpers for getting cache key
* fix test caching
* use get/set helpers for preset cache keys
* make get_cache_key under 100 LOC
* fix _get_model_param_value
* fix _get_caching_group
* fix linting error
* add unit testing for get cache key
* test_generate_streaming_content
* add unit testing for test_async_set_cache
* test test_async_log_cache_hit_on_callbacks
* assert the correct response type is returned
* test_convert_cached_result_to_model_response
* unit testing for caching handler
* fix remove qdrant semantic caching to it's own folder
* refactor use 1 file for s3 caching
* fix use sep files for in mem and redis caching
* fix refactor caching
* add readme.md for caching folder
* caching - use _sync_set_cache
* add sync _sync_add_streaming_response_to_cache
* use caching class for cache storage
* fix use _sync_get_cache
* fix circular import
* use _update_litellm_logging_obj_environment
* use one helper for _process_async_embedding_cached_response
* fix _is_call_type_supported_by_cache
* fix checking cache
* fix sync get cache
* fix use _combine_cached_embedding_response_with_api_result
* fix _update_litellm_logging_obj_environment
* adjust test_redis_cache_acompletion_stream_bedrock
* (refactor) use _assemble_complete_response_from_streaming_chunks
* add unit test for test_assemble_complete_response_from_streaming_chunks_1
* fix assemble complete_streaming_response
* config add logging_testing
* add logging_coverage in codecov
* test test_assemble_complete_response_from_streaming_chunks_3
* add unit tests for _assemble_complete_response_from_streaming_chunks
* fix remove unused / junk function
* add test for streaming_chunks when error assembling
