[bot] dspy gem (dspy.rb) not instrumented
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- 4/5
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- 3-5 天
- 新手友好度
- 45/100
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- 功能
- 描述清晰度
- 基本清楚
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- 冷清
- 技术栈
- ruby
调研方向
先从 lib/braintrust/contrib.rb 中现有的集成注册和 lib/braintrust/contrib/ 下的文件开始，然后检查 dspy.rb 的 Predict、ChainOfThought、ReAct 和 LM API。查看 Appraisals 的设置，了解集成场景是如何执行的；完成标准是：dspy 模块执行和 ReAct 工具调用都能使用所列的输入、输出、模型详细信息和推理数据进行跟踪。
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描述
Summary
The dspy gem (dspy.rb, ~70K downloads, v1.0.0, April 2026) is the Ruby port of the DSPy LLM programming framework and is not instrumented by this SDK. Braintrust documents DSPy integration for Python, capturing module-level spans for Predict, ChainOfThought, and other DSPy modules — but there is no equivalent Ruby instrumentation for dspy.rb.
What is missing
No instrumentation exists for any dspy execution surface. Key APIs that should be instrumented:
Module Execution
DSPy::Predict#call(**inputs)— single-pass LLM call with typed input/output contract. The core building block of all DSPy programs.DSPy::ChainOfThought#call(**inputs)— LLM call that surfaces intermediate chain-of-thought reasoning steps before the final answer. Produces a richer trace thanPredictdue to the reasoning span.DSPy::ReAct#call(**inputs)— agentic reasoning loop that interleaves LLM calls with tool executions. May span multiple LLM turns and tool invocations.
Tool Execution (ReAct)
- Tool calls dispatched within
DSPy::ReActloops should be captured as child spans, including tool name, inputs, and output.
LM Configuration
DSPy::LM.new('openai/gpt-4o-mini', ...)— LM adapter configuration, useful for capturing which model and provider is driving each module.
Expected instrumentation
Module execution spans should capture:
- Module type (Predict, ChainOfThought, ReAct)
- Signature type name (typed input/output schema)
- Input fields and values
- LLM calls made (model, provider, tokens)
- Intermediate reasoning steps (for ChainOfThought)
- Tool calls and results (for ReAct)
- Typed output fields
Braintrust docs status
unclear — Braintrust documents DSPy integration at https://www.braintrust.dev/docs/integrations/sdk-integrations/dspy and captures Predict, ChainOfThought, and other DSPy module spans with full tracing. However, the documented integration requires dspy>=2.6.0 (Python) and covers only Python. No Ruby-specific dspy.rb instrumentation is documented.
Upstream sources
- GitHub: https://github.com/vicentereig/dspy.rb
- RubyGems: https://rubygems.org/gems/dspy (~70K downloads, v1.0.0, April 11, 2026; 73 releases since March 2025)
- Documentation: https://github.com/vicentereig/dspy.rb#readme
Local repo files inspected
lib/braintrust/contrib.rb(lines 195–205) — registers only 4 integrations: OpenAI, RubyOpenAI, RubyLLM, Anthropic. Nodspyintegration.lib/braintrust/contrib/— no directory or files fordspyAppraisals— no appraisal scenarios fordspybraintrust.gemspec— no mention ofdspy- Grep for
dspy,DSPy,Predict,ChainOfThought,ReActacross entire codebase returns zero matches
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