Say so when the Planner is unavailable #294MergedMaggieAppletonmerged 1 commit intomainfromrefs/pull/294/headConversationFiles changed4 files changed+75-1StackedSplitapps/web/src/chat/chat.tsx+17 −1apps/web/src/chat/references.test.ts+22 −0apps/web/src/chat/references.ts+17 −0e2e/chat-mentions.e2e.ts+19 −0