* 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
* fix raise correct error on /key/info
* add not_found_error error
* fix key not found in DB error
* use 1 helper for checking token hash
* fix error code on key info
* fix test key gen prisma
* test_generate_and_call_key_info
* test fix test_call_with_valid_model_using_all_models
* fix key info tests
* add langsmith_api_key to StandardCallbackDynamicParams
* create a file for langsmith types
* langsmith add key / team based logging
* add key based logging for langsmith
* fix langsmith key based logging
* fix linting langsmith
* remove NOQA violation
* add unit test coverage for all helpers in test langsmith
* test_langsmith_key_based_logging
* docs langsmith key based logging
* run langsmith tests in logging callback tests
* fix logging testing
* test_langsmith_key_based_logging
* test_add_callback_via_key_litellm_pre_call_utils_langsmith
* add debug statement langsmith key based logging
* test_langsmith_key_based_logging
* fix(__init__.py): add 'watsonx_text' as mapped llm api route
Fixes https://github.com/BerriAI/litellm/issues/6663
* fix(opentelemetry.py): fix passing parallel tool calls to otel
Fixes https://github.com/BerriAI/litellm/issues/6677
* refactor(test_opentelemetry_unit_tests.py): create a base set of unit tests for all logging integrations - test for parallel tool call handling
reduces bugs in repo
* fix(__init__.py): update provider-model mapping to include all known provider-model mappings
Fixes https://github.com/BerriAI/litellm/issues/6669
* feat(anthropic): support passing document in llm api call
* docs(anthropic.md): add pdf anthropic call to docs + expose new 'supports_pdf_input' function
* fix(factory.py): fix linting error
* use CustomBatchLogger for GCS
* add GCS bucket logging type
* use batch logging for GCs bucket
* add gcs_bucket
* allow setting flush_interval on CustomBatchLogger
* set GCS_FLUSH_INTERVAL to 1s
* fix test_key_logging
* fix test_key_logging
* add docs on new env vars
