fix(anthropic,standard-tests): carry over updates to v0.3

[ccurme]

Cherry pick of #33390 and #33391.

[codspeed-hq]

CodSpeed Performance Report

Merging #33393 will improve performances by 16.17%

_{Comparing cc/anthropic_updates (58f8058) with master (11a2efe)¹}

Summary

⚡ 1 improvement
✅ 2 untouched
⏩ 31 skipped²

Benchmarks breakdown

	Mode	Benchmark	BASE	HEAD	Change
⚡	Instrumentation	test_init_time	789.9 µs	679.9 µs	+16.17%

Footnotes

1. No successful run was found on v0.3 (dd4de69) during the generation of this report, so master (11a2efe) was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

2. 31 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩