* run pass through logging async
* fix use thread_pool_executor for pass through logging
* test_pass_through_request_logging_failure_with_stream
* fix anthropic pt logging test
* test_pass_through_request_logging_failure
* feat - allow tagging vertex JS SDK request
* add unit testing for passing headers for pass through endpoints
* fix allow using vertex_ai as the primary way for pass through vertex endpoints
* docs on vertex js pass tags
* add e2e test for vertex pass through with spend tags
* add e2e tests for streaming vertex JS with tags
* fix vertex ai testing
* feat(pass_through_endpoints/): support logging anthropic/gemini pass through calls to langfuse/s3/etc.
* fix(utils.py): allow disabling end user cost tracking with new param
Allows proxy admin to disable cost tracking for end user - keeps prometheus metrics small
* docs(configs.md): add disable_end_user_cost_tracking reference to docs
* feat(key_management_endpoints.py): add support for restricting access to `/key/generate` by team/proxy level role
Enables admin to restrict key creation, and assign team admins to handle distributing keys
* test(test_key_management.py): add unit testing for personal / team key restriction checks
* docs: add docs on restricting key creation
* docs(finetuned_models.md): add new guide on calling finetuned models
* docs(input.md): cleanup anthropic supported params
Closes https://github.com/BerriAI/litellm/issues/6856
* test(test_embedding.py): add test for passing extra headers via embedding
* feat(cohere/embed): pass client to async embedding
* feat(rerank.py): add `/v1/rerank` if missing for cohere base url
Closes https://github.com/BerriAI/litellm/issues/6844
* fix(main.py): pass extra_headers param to openai
Fixes https://github.com/BerriAI/litellm/issues/6836
* fix(litellm_logging.py): don't disable global callbacks when dynamic callbacks are set
Fixes issue where global callbacks - e.g. prometheus were overriden when langfuse was set dynamically
* fix(handler.py): fix linting error
* fix: fix typing
* build: add conftest to proxy_admin_ui_tests/
* test: fix test
* fix: fix linting errors
* test: fix test
* fix: fix pass through testing
* stash gemini JS test
* add vertex js sdj example
* handle vertex pass through separately
* tes vertex JS sdk
* fix vertex_proxy_route
* use PassThroughStreamingHandler
* fix PassThroughStreamingHandler
* use common _create_vertex_response_logging_payload_for_generate_content
* test vertex js
* add working vertex jest tests
* move basic bass through test
* use good name for test
* test vertex
* test_chunk_processor_yields_raw_bytes
* unit tests for streaming
* test_convert_raw_bytes_to_str_lines
* run unit tests 1st
* simplify local
* docs add usage example for js
* use get_litellm_virtual_key
* add unit tests for vertex pass through
* use 1 file for AnthropicPassthroughLoggingHandler
* add support for anthropic streaming usage tracking
* ci/cd run again
* fix - add real streaming for anthropic pass through
* remove unused function stream_response
* working anthropic streaming logging
* fix code quality
* fix use 1 file for vertex success handler
* use helper for _handle_logging_vertex_collected_chunks
* enforce vertex streaming to use sse for streaming
* test test_basic_vertex_ai_pass_through_streaming_with_spendlog
* fix type hints
* add comment
* fix linting
* add pass through logging unit testing
