Function recordWorkspaceModelChange

src/browser/utils/modelChange.ts:18–42

(
  workspaceId: string,
  model: string,
  origin: ModelChangeOrigin
)

const normalizeExplicitModel = (model: string): string => normalizeToCanonical(model).trim();

export function recordWorkspaceModelChange(
  workspaceId: string,
  model: string,
  origin: ModelChangeOrigin
): void {
  if (origin === "sync") return;

  const normalized = normalizeExplicitModel(model);
  const current = readPersistedString(getModelKey(workspaceId));
  const normalizedCurrent = current ? normalizeExplicitModel(current) : null;

  // Avoid leaving stale explicit-change entries when the effective model doesn't change
  // (ex: user re-selects the current model, or callers pass gateway-vs-canonical equivalents).
  // Without this guard, a later sync-driven away→back transition could incorrectly consume the
  // lingering entry and surface a warning that wasn't explicitly triggered.
  if (normalizedCurrent === normalized) {
    return;
  }

  pendingExplicitChanges.set(workspaceId, {
    model: normalized,
    origin,
    previousModel: normalizedCurrent,
  });
}

export function consumeWorkspaceModelChange(
  workspaceId: string,