♻️ 💥 move many internals to v1 & v2 namespaces #355

Job	Run time
static-analysis / Run Static Analysis	56s
test-units / Run Unit Tests (ubuntu-24.04, 3.4)	44s
test-units / Run Unit Tests (ubuntu-24.04, 3.1)	40s
test-units / Run Unit Tests (ubuntu-22.04, 3.2)	41s
test-units / Run Unit Tests (macos-latest, 3.3)	42s
test-units / Run Unit Tests (ubuntu-22.04, 3.1)	24s
test-units / Run Unit Tests (macos-latest, 3.2)	49s
test-units / Run Unit Tests (ubuntu-24.04, 3.2)	40s
test-units / Run Unit Tests (ubuntu-22.04, 3.0)	28s
test-units / Run Unit Tests (ubuntu-24.04, 3.3)	39s
test-units / Run Unit Tests (ubuntu-24.04, 3.0)	34s
test-units / Run Unit Tests (ubuntu-24.04, 4.0)	35s
test-units / Run Unit Tests (ubuntu-22.04, 4.0)	34s
test-units / Run Unit Tests (macos-latest, 3.0)	46s
test-units / Run Unit Tests (macos-latest, 4.0)	43s
test-units / Run Unit Tests (ubuntu-22.04, 3.4)	43s
test-units / Run Unit Tests (ubuntu-22.04, 3.3)	29s
test-units / Run Unit Tests (macos-latest, 3.4)	43s
test-units / Run Unit Tests (macos-latest, 3.1)	27s
test-cli	0s
test-smoke	0s
test-integrations	-1s
	12m 16s

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