Widen the tools/call result serialization (via a refcounted, modern-gated wrap
installed by TasksExtension) so a CreateTaskResult reaches the client instead of
being stripped by the CallToolResult|InputRequiredResult surface — the SDK ships
claim consumption but no production. Emit the resultType discriminator the
protocol requires (task on CreateTaskResult, complete on the tasks/* results);
the draft schema forbids it (additionalProperties:false), a contradiction
reported upstream. Closes compliance gaps G1/G4/G5.
Co-Authored-By: Claude <noreply@anthropic.com>
TasksExtension serves io.modelcontextprotocol/tasks on the extension API:
a decide-and-task tools/call interceptor (era-gated to modern connections),
tasks/get with inlined results and inputRequests, tasks/update delivering
poll-based in-task elicitation, tasks/cancel, durable creation, and
auth-scoped task isolation. Wire models validate against the vendored
ext-tasks schema. Worker-side Context hooks are refcounted so sibling
servers cannot strand each other's workers.
Co-Authored-By: Claude <noreply@anthropic.com>
