port lazy_loader perf and native PEP810 + add python3.15 support

[benedikt-bartscher]

scientific-python/lazy-loader#172
scientific-python/lazy-loader#173 (merged)

[codspeed-hq]

Merging this PR will improve performance by 4.67%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 5 improved benchmarks
✅ 35 untouched benchmarks
⏩ 8 skipped benchmarks¹

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚡	test_evaluate_page[_complicated_page]	62.6 ms	59.3 ms	+5.61%
⚡	test_evaluate_page_with_hooks[_complicated_page]	63.1 ms	59.8 ms	+5.6%
⚡	test_evaluate_page[_stateful_page]	10.5 ms	10 ms	+4.64%
⚡	test_evaluate_page_with_hooks[_stateful_page]	11 ms	10.6 ms	+4.31%
⚡	test_console_log	812.7 µs	787.6 µs	+3.19%

Tip

Curious why performance improved? Comment @codspeedbot explain why performance improved on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing benedikt-bartscher:use-lazy-loader-branch (729ccc4) with main (9165dc6)}

Footnotes

1. 8 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. ↩

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge because no blocking failure remains in the eligible follow-up review scope.

Summary

• Caches resolved lazy attributes to avoid repeated __getattr__ lookups.
• Adds Python 3.15 compatibility handling for dataclass and TypedDict internals.
• Extends CI matrices and adjusts dependency markers for Python 3.15.

_{Reviews (17) · Last reviewed commit: "Merge branch 'main' into use-lazy-loader..."}

[cubic-dev-ai]

All reported issues were addressed across 17 files

<sub>Reply with feedback, questions, or to request a fix.

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