feat(api): update API spec from langfuse/langfuse a93f65a

[langfuse-bot]

Important

Introduce ObservationV2 class and integrate it into the API structure, updating imports and response handling.

• New Class:
  • Add ObservationV2 class in observation_v2.py with various fields like id, trace_id, start_time, etc.
• API Integration:
  • Update __init__.py in api and commons to include ObservationV2 in imports and __all__.
  • Modify observations_v2response.py to use ObservationV2 in data field.
• Misc:
  • Add ObservationV2 to _dynamic_imports in commons/types/__init__.py and commons/__init__.py.

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Disclaimer: Experimental PR review

Greptile Summary

This PR introduces the ObservationV2 class for the v2 observations API and integrates it throughout the API module structure. The key change improves type safety by replacing typing.List[typing.Dict[str, typing.Any]] with typing.List[ObservationV2] in the ObservationsV2Response class.

• New Model: Added comprehensive ObservationV2 Pydantic model with 30+ fields including core observation data, timestamps, usage/cost tracking, and model information
• Import Updates: Properly integrated ObservationV2 into module exports across api, commons, and commons/types packages with correct alphabetical ordering
• Type Safety: Response data is now strongly-typed instead of generic dictionaries, providing better IDE support and runtime validation
• Configuration: Model uses extra="allow" for API flexibility and frozen=True for immutability

All imports follow the custom rule requirement of being placed at the top of modules. The auto-generated code is clean and follows Python/Pydantic best practices.

Confidence Score: 5/5

• This PR is safe to merge with no risk
• Auto-generated API spec update that adds a new well-structured Pydantic model and improves type safety. All imports follow conventions, code is clean, and no logical errors or security issues detected.
• No files require special attention

Important Files Changed

Filename	Overview
langfuse/api/commons/types/observation_v2.py	New Pydantic model with comprehensive fields, proper type annotations, and field aliases for camelCase API compatibility
langfuse/api/observations_v2/types/observations_v2response.py	Improved type safety by replacing generic dict with strongly-typed ObservationV2 model

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