Show workflow questions in Decisions without run and stage ids

A workflow stage's question reached Decisions with "Workflow run: <uuid>;
stage: <uuid>" appended to its prompt. The prompt is the card's bold
title, so two UUIDs ran on after every question and pushed the choice
itself out of view. Members can't act on those ids. Chat's run card
already shows which run is waiting on Decisions.

Cards now show the question exactly as asked. Pause holds still key off
the run id, so a paused run still keeps its answer until it resumes.

Assistant-workflow: inline
Assistant-model: Claude Opus 5.5
Assistant-duration: 4m converged, estimated 15m
Assistant-verification: bun test passed: apps/server/src/harness/atomic (52 pass, 0 fail)
Assistant-verification: bun run types passed: all workspace checks
Assistant-verification: bun run ci passed: dprint, oxlint, tokens, design contract, design record, Impeccable (no new findings)
User-preference: Workflow questions in Decisions should not show run or stage ids
Co-authored-by: Alex Lavaee <lavaman131@github.com>