chore: specify otlp http exporter dep

[hassiebp]

Important

Specify opentelemetry-exporter-otlp-proto-http dependency in pyproject.toml.

• Dependencies:
  • Change opentelemetry-exporter-otlp to opentelemetry-exporter-otlp-proto-http in pyproject.toml to specify the HTTP protocol version.

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Disclaimer: Experimental PR review

Greptile Summary

This PR optimizes the OpenTelemetry dependency specification by replacing the generic opentelemetry-exporter-otlp metapackage with the specific opentelemetry-exporter-otlp-proto-http package. The version is also bumped from 3.2.3 to 3.2.4.

The change is motivated by Langfuse's actual usage pattern - the codebase only uses HTTP-based OTLP exports through the LangfuseSpanProcessor, which creates OTLPSpanExporter instances with HTTP endpoints. The original metapackage includes multiple transport implementations (gRPC, HTTP protobuf, and HTTP JSON), but Langfuse only needs the HTTP protobuf variant.

This dependency optimization follows OpenTelemetry's recommended best practices of installing specific exporter packages rather than metapackages to avoid unnecessary dependencies. The change maintains the same version constraint (^1.33.1) and functionality while reducing the overall dependency footprint by eliminating unused gRPC and JSON transport implementations.

The modification aligns with modern Python packaging practices of being explicit about dependencies and only including what's actually used by the application.

Confidence score: 5/5

• This PR is extremely safe to merge with no risk of breaking changes
• Score reflects a simple dependency optimization that maintains exact functionality while reducing bloat
• No files require special attention as this is a straightforward dependency specification change

[greptile-apps]

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