Streamline adaptive executor for single task queries#8607

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colm-mchugh wants to merge 4 commits into

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colm/1-task-AE-take-2

Commits on Jun 4, 2026

DESCRIPTION: Add single-task adaptive executor for single-shard fast-path queries
colm-mchugh
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Commits on Jun 5, 2026

Fix local_shard_execution flaky test failure
colm-mchugh
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Commits on Jun 8, 2026

Address CI fails
colm-mchugh
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Commits on Jun 10, 2026

Lazily create WaitEventSet, ensure bound params (if any) are evaluated.
colm-mchugh
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