Phase 2: Recovery state components (ProviderUnavailableCard,
MalformedResponseCard, UnexpectedStateCard, ContinueLaterBanner) with
automatic error detection for provider/network/malformed/unexpected states.
Phase 3: Session persistence via sessionStorage — save after each
successful turn, restore on mount, clear on restart/reset. Continuelater banner shown when session is restored.
Phase 4: InvestigationSummaryPanel component displaying current status,
understanding summary, questions answered/remaining, investigation timestamps.
Phase 5: docs/reasoning-contract-backlog.md documenting all mocked
fields (60+ rows across 7 categories) with feature/UI need/mock/desired
output/stage/notes columns.
Also: wired onRestart through ReasoningWorkspace → ScenarioForm, fixed
getErrorType scope issues, removed broken window.__restartInvestigation.
robbond