feat(chat)!: remove the old chat components

.github/workflows/ci.yml

@@ -29,7 +29,29 @@ jobs:
           mkdir -p "$RUNNER_TEMP/c" && cd "$RUNNER_TEMP/c"
           npm init -y >/dev/null && npm pkg set type=module >/dev/null
           npm install "$TARBALL"
-          node -e 'import("@corbits/react-ui").then((m) => { for (const n of ["Button", "ChatThread", "Badge"]) if (typeof m[n] !== "function") throw new Error("missing export: " + n); })'
+          # One runtime export from each module the chat family puts in
+          # src/index.ts, so a dropped `export *` line fails here and not in a
+          # consumer's build. lib/conversation.js is types only and has none.
+          # A forwardRef component is an object, so presence is the check.
+          node --input-type=module -e '
+            const m = await import("@corbits/react-ui");
+            const names = [
+              "Button", "Badge",
+              "usePromptInput", "useResizable", "useTabs", "useTabDrag", "useCopy",
+              "useHistoryWindow", "useReadingPosition", "useAttachments",
+              "useFileDrop", "useMediaViewer",
+              "groupActivity", "mediaKindOf", "checkAttachments", "matchPromptTokens",
+              "Conversation", "ConversationDivider", "ConversationEarlier",
+              "ConversationMap", "ConversationThread",
+              "PromptInput", "PromptInputToolbar", "Panel", "PanelTabs",
+              "Tool", "ToolApproval", "ToolGroup", "Reasoning", "Activity",
+              "Message", "MessageFold", "MessageActions", "MessageReactions",
+              "MessageReplies", "Attachments", "AttachmentDropZone",
+              "GeneratedImages", "Sources", "MediaViewer",
+            ];
+            const missing = names.filter((n) => m[n] === undefined);
+            if (missing.length) throw new Error("missing exports: " + missing.join(", "));
+          '
 
   policy-check:
     if: github.event_name == 'pull_request'

e2e/fixtures.tsx

@@ -2,10 +2,8 @@ import { useEffect, useLayoutEffect, useRef, useState, Profiler } from "react";
 import type { ReactNode } from "react";
 
 import {
-  ApprovalCard,
   AuthLayout,
   Button,
-  ChatThread,
   Conversation,
   ConversationContent,
   ConversationEmptyState,
@@ -18,8 +16,6 @@ import {
   ThemeProvider,
   ThemeToggle,
   ThinkingMark,
-  type ApprovalRequest,
-  type ChatMessage,
   type ConversationScrollPolicy,
   useConversation,
   PromptInput,
@@ -98,13 +94,6 @@ import {
   DialogTitle,
 } from "@corbits/react-ui/ui/dialog";
 
-const REQUEST: ApprovalRequest = {
-  id: "req-1",
-  headline: "Post to #sales (Slack)",
-  requestedBy: "Scout",
-  details: [{ label: "Message", value: "Q3 numbers are in." }],
-};
-
 const GROUPS: CommandPaletteGroup[] = [
   {
     id: "pages",
@@ -126,21 +115,6 @@ function useEventLog() {
   };
 }
 
-function Approval({ state }: { state: "idle" | "approving" }) {
-  const { log, record } = useEventLog();
-  return (
-    <>
-      <ApprovalCard
-        request={REQUEST}
-        state={state}
-        onApprove={() => record("approve")}
-        onReject={() => record("reject")}
-      />
-      {log}
-    </>
-  );
-}
-
 function Palette() {
   const [open, setOpen] = useState(false);
   const [query, setQuery] = useState("");
@@ -164,32 +138,6 @@ function Palette() {
   );
 }
 
-const CHAT: ChatMessage[] = [
-  {
-    id: "m1",
-    role: "user",
-    createdAt: "2026-01-01T09:00:00Z",
-    parts: [{ type: "text", text: "What changed today?" }],
-  },
-  {
-    id: "m2",
-    role: "agent",
-    createdAt: "2026-01-01T09:00:04Z",
-    parts: [
-      { type: "reasoning", text: "Check the commit log first." },
-      {
-        type: "tool",
-        toolCallId: "t1",
-        toolName: "git__log",
-        label: "Read today's commits",
-        state: "done",
-        output: "3 commits",
-      },
-      { type: "text", text: "Three commits landed today." },
-    ],
-  },
-];
-
 function SelectField() {
   const [value, setValue] = useState("a");
   const { log, record } = useEventLog();
@@ -1692,14 +1640,7 @@ function ConversationThreadScenario() {
 
 export const scenarios: Record<string, () => ReactNode> = {
   smoke: () => <Button>Ready</Button>,
-  "approval-card": () => <Approval state="idle" />,
-  "approval-card-busy": () => <Approval state="approving" />,
   "command-palette": () => <Palette />,
-  "chat-thread": () => (
-    <div style={{ display: "flex", flexDirection: "column", height: 480 }}>
-      <ChatThread messages={CHAT} identity={{ name: "Scout" }} />
-    </div>
-  ),
   select: () => <SelectField />,
   "filter-chip": () => <Chip />,
   "dictation-denied": () => <DictationStatusLine state="denied" />,

src/hooks/use-attachments.test.ts

@@ -11,7 +11,7 @@ import {
 } from "react";
 import { createRoot } from "react-dom/client";
 
-import type { PartFile } from "../lib/chat-parts.js";
+import type { PartFile } from "../lib/conversation.js";
 import type { AttachmentData } from "../ui/attachments.js";
 import {
   useAttachments,

src/hooks/use-controllable-state.ts

@@ -18,9 +18,8 @@ const isProduction =
 /**
  * The controlled-or-uncontrolled resolution every prop pair shaped like
  * `open`/`onOpenChange` needs: track state internally, but defer to `value`
- * whenever the caller supplies one. `useDismissablePopover`, `ToolBlock` and
- * `ToolNarrative` each want exactly this and previously each wrote their own
- * ternary for it; this is the one place it lives now.
+ * whenever the caller supplies one. Every such pair resolves through here
+ * rather than writing its own ternary.
  *
  * The returned setter accepts a value or a React-style updater
  * (`setOpen((prev) => !prev)`), same as `useState`.

src/index.ts

@@ -15,7 +15,6 @@ export * from "./blocks/login/auth-layout.js";
 export * from "./blocks/login/login-form.js";
 export * from "./hooks/use-command-palette-navigation.js";
 export * from "./hooks/use-controllable-state.js";
-export * from "./hooks/use-delayed-autofocus.js";
 export * from "./hooks/use-dismissable-popover.js";
 export * from "./hooks/use-list-selection.js";
 export * from "./hooks/use-prefers-reduced-motion.js";
@@ -32,8 +31,6 @@ export * from "./hooks/use-file-drop.js";
 export * from "./hooks/use-media-viewer.js";
 export * from "./lib/artifact.js";
 export * from "./lib/chart-palette.js";
-export * from "./lib/chat-message.js";
-export * from "./lib/chat-parts.js";
 export * from "./lib/metrics.js";
 export * from "./lib/now-item.js";
 export * from "./lib/relative-time.js";
@@ -47,9 +44,7 @@ export * from "./lib/conversation-activity.js";
 export * from "./lib/media-kind.js";
 export * from "./lib/attachment-limits.js";
 export * from "./lib/prompt-tokens.js";
-export * from "./ui/agent-turn.js";
 export * from "./ui/animated-number.js";
-export * from "./ui/approval-card.js";
 export * from "./ui/artifact-body.js";
 export * from "./ui/artifact-notice.js";
 export * from "./ui/avatar.js";
@@ -62,10 +57,6 @@ export * from "./ui/button.js";
 export * from "./ui/card.js";
 export * from "./ui/category-bars.js";
 export * from "./ui/chart-frame.js";
-export * from "./ui/chat-composer.js";
-export * from "./ui/chat-input.js";
-export * from "./ui/chat-panel.js";
-export * from "./ui/chat-thread.js";
 export * from "./ui/checkbox.js";
 export * from "./ui/compare-body.js";
 export * from "./ui/confirm-button.js";
@@ -88,19 +79,15 @@ export * from "./ui/library-page-header.js";
 export * from "./ui/list-detail.js";
 export * from "./ui/live-run-banner.js";
 export * from "./ui/live-status-line.js";
-export * from "./ui/message-bubble.js";
 export * from "./ui/mic-button.js";
 export * from "./ui/notifications-bell.js";
 export * from "./ui/now-cards.js";
 export * from "./ui/page-panel.js";
 export * from "./ui/page-shell.js";
-export * from "./ui/parts-renderer.js";
 export * from "./ui/profile-card.js";
 export * from "./ui/progress-checklist.js";
 export * from "./ui/provider-mark.js";
-export * from "./ui/quick-reply-chips.js";
 export * from "./ui/quote-card.js";
-export * from "./ui/reasoning-block.js";
 export * from "./ui/research-body.js";
 export * from "./ui/rich-empty-state.js";
 export * from "./ui/run-now-button.js";
@@ -129,8 +116,6 @@ export * from "./ui/thinking-label.js";
 export * from "./ui/thinking-mark.js";
 export * from "./ui/time-series-chart.js";
 export * from "./ui/token-mosaic.js";
-export * from "./ui/tool-block.js";
-export * from "./ui/tool-narrative.js";
 export * from "./ui/tool-picker.js";
 export * from "./ui/top-bar.js";
 export * from "./ui/trace-waterfall.js";