Prerequisite and dependency mapping

Problem

Future execution adapter work — supporting new databases, adding streaming execution, enabling cross-database joins — has unclear prerequisites and dependency chains. Without a mapped dependency graph, teams starting on these features will repeatedly discover missing foundational pieces (shared connection pooling, result type normalization, adapter plugin interfaces) only after beginning implementation, inflating startup cost and causing mid-project redesigns.

Context

Possible Solutions

Plan

Implementation Progress

Review Feedback

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