docs(todo): reorganize into Actionable / Deferred / Reference buckets #2457

Job	Run time
Pure Python Fallback	1h 32m 1s
Rust Unit Tests (windows-latest)	1m 36s
Rust Unit Tests (macos-latest)	1m 5s
Rust Unit Tests (ubuntu-24.04-arm)	1m 23s
Rust Unit Tests (ubuntu-latest)	1m 10s
Python Tests (windows-latest, py3.11)	59m 36s
Python Tests (windows-latest, py3.14)	1h 1m 42s
Python Tests (ubuntu-24.04-arm, py3.14)	36m 20s
Python Tests (ubuntu-24.04-arm, py3.13)	36m 8s
Python Tests (macos-latest, py3.11)	37m 13s
Python Tests (ubuntu-latest, py3.14)	58m 54s
Python Tests (windows-latest, py3.13)	54m 13s
Python Tests (ubuntu-latest, py3.13)	1h 4m 26s
Python Tests (ubuntu-latest, py3.11)	1h 7m 4s
Python Tests (macos-latest, py3.13)	32m 8s
Python Tests (macos-latest, py3.14)	29m 32s
Python Tests (ubuntu-24.04-arm, py3.11)	42m 3s
	11h 16m 34s

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