feat(openai): make tiktoken_enabled and embedding_ctx_length configurable

[brucezo]

No description provided.

[vercel]

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Project	Deployment	Preview	Comments	Updated (UTC)
langchain	Ready	Preview	Comment	Aug 29, 2025 5:20am

[codspeed-hq]

CodSpeed WallTime Performance Report

Merging #32745 will not alter performance

_{Comparing brucezo:master (b5cafd1) with master (b26e52a)}

⚠️ Unknown Walltime execution environment detected

Using the Walltime instrument on standard Hosted Runners will lead to inconsistent data.

For the most accurate results, we recommend using CodSpeed Macro Runners: bare-metal machines fine-tuned for performance measurement consistency.

Summary

✅ 13 untouched benchmarks

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #32745 will not alter performance

_{Comparing brucezo:master (b5cafd1) with master (b26e52a)}

Summary

✅ 14 untouched benchmarks

[ccurme]

Can you elaborate on the motivation here? Preferably with a PR summary and/or a test demonstrating desired behavior. From what I can tell there is functionally no change here. Closing for now.