Implement placement shim allocations via hv1 bookings#787

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PhilippMatthes wants to merge 3 commits into

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Commits on May 4, 2026

Initial implementation of allocations
PhilippMatthes
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Improve allocations handler code organization and robustness
PhilippMatthes
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Fix build after rebase: restore operator pre-release and adapt to new API
PhilippMatthes
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