Migrate AI local review to OpenAI Responses API #562

Job	Run time
Pure Python Fallback	45m 1s
Rust Unit Tests (ubuntu-latest)	1m 15s
Rust Unit Tests (ubuntu-24.04-arm)	1m 27s
Rust Unit Tests (macos-latest)	1m 44s
Rust Unit Tests (windows-latest)	2m 15s
Python Tests (windows-latest, py3.13)	35m 47s
Python Tests (macos-latest, py3.13)	18m 11s
Python Tests (ubuntu-24.04-arm, py3.13)	17m 40s
Python Tests (ubuntu-24.04-arm, py3.11)	17m 27s
Python Tests (windows-latest, py3.11)	35m 54s
Python Tests (ubuntu-latest, py3.13)	39m 1s
Python Tests (macos-latest, py3.11)	16m 50s
Python Tests (ubuntu-latest, py3.11)	38m 11s
	4h 30m 43s

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