Shared code architecture#1027

Draft

BobDickinson wants to merge 21 commits intomodelcontextprotocol:mainfrom

BobDickinson:tui-integration-design

Commits on Jan 14, 2026

Pinned server-everything, fixed all tests to work with current pinned version, fixed problem with undetected failures (isError: true payloads).
BobDickinson
committed

Commits on Jan 16, 2026

Made both stdio and http test servers fully composable, cleaned up types, terminology, and usage.
BobDickinson
committed

Commits on Jan 18, 2026

Commits on Jan 19, 2026

Commits on Jan 20, 2026