feat(chat): add shared find menu

apps/sim/app/workspace/[workspaceId]/components/find-bar/index.ts

@@ -0,0 +1,5 @@
+export {
+  FindBar,
+  type FindBarProps,
+} from '@/app/workspace/[workspaceId]/components/find-bar/find-bar'
+export { useFindShortcut } from '@/app/workspace/[workspaceId]/components/find-bar/use-find-shortcut'

apps/sim/app/workspace/[workspaceId]/components/find-bar/use-find-shortcut.ts

@@ -1,34 +1,43 @@
 'use client'
 
 import type React from 'react'
-import { useEffect } from 'react'
+import { useCallback, useEffect } from 'react'
 
 interface UseFindShortcutOptions {
   /**
-   * Whether this surface currently owns Cmd/Ctrl+F. Every find surface binds its own listener, so
-   * exactly one owner may be enabled at a time — the surfaces arbitrate by mounting (the Files list
-   * disables itself while a file is open, and the file editor enables itself only where the document
-   * is the page), by an embed flag (the table grid), or by DOM containment (the browser session).
-   * Two enabled owners mounted at once would race, and first-registered would win.
+   * Whether this surface owns Cmd/Ctrl+F. Full-page owners must be mutually exclusive;
+   * scoped owners arbitrate through containment and descendant event handling.
    */
   enabled: boolean
   /** The find bar's input, focused and selected once the bar opens. */
   inputRef: React.RefObject<HTMLInputElement | null>
+  /** Limits a split-pane surface to shortcuts originating inside it. */
+  containerRef?: React.RefObject<HTMLElement | null>
   onOpen: () => void
 }
 
 /**
  * Binds Cmd/Ctrl+F to open a find bar, overriding the browser's own find.
  *
- * Listens on the document rather than a container so the shortcut answers before anything inside the
- * surface has been focused — a file that has only been opened, never clicked into, still responds.
+ * Full-page surfaces listen on the document so an opened file responds before being focused.
+ * Scoped surfaces attach the returned React key handler so descendant controls can consume it first.
  * A press another surface already consumed is left alone (`defaultPrevented`), and any chord with a
  * further modifier falls through to the browser, so Cmd+Shift+F and Cmd+Alt+F keep their meanings.
  */
-export function useFindShortcut({ enabled, inputRef, onOpen }: UseFindShortcutOptions): void {
-  useEffect(() => {
-    if (!enabled) return
-    const handleFindShortcut = (event: KeyboardEvent) => {
+export function useFindShortcut({
+  enabled,
+  inputRef,
+  containerRef,
+  onOpen,
+}: UseFindShortcutOptions): React.KeyboardEventHandler<HTMLElement> {
+  const handleFindShortcut = useCallback(
+    (event: KeyboardEvent | React.KeyboardEvent<HTMLElement>) => {
+      if (!enabled) return
+      if (
+        containerRef &&
+        (!(event.target instanceof Node) || !containerRef.current?.contains(event.target))
+      )
+        return
       if (!(event.metaKey || event.ctrlKey) || event.altKey || event.shiftKey) return
       if (event.key.toLowerCase() !== 'f') return
       if (event.defaultPrevented) return
@@ -39,8 +48,13 @@ export function useFindShortcut({ enabled, inputRef, onOpen }: UseFindShortcutOp
         inputRef.current?.focus()
         inputRef.current?.select()
       })
-    }
+    },
+    [enabled, inputRef, containerRef, onOpen]
+  )
+  useEffect(() => {
+    if (!enabled || containerRef) return
     document.addEventListener('keydown', handleFindShortcut)
     return () => document.removeEventListener('keydown', handleFindShortcut)
-  }, [enabled, inputRef, onOpen])
+  }, [enabled, containerRef, handleFindShortcut])
+  return handleFindShortcut
 }

apps/sim/app/workspace/[workspaceId]/home/components/message-content/components/chat-content/chat-content.tsx

@@ -182,7 +182,11 @@ interface SourceReferenceProps {
 function SourceReference({ index, children }: SourceReferenceProps) {
   const source = useContext(SourceRefsContext)[index]
   if (!source) return <>{children}</>
-  return <SourceChip source={source} />
+  return (
+    <span data-chat-find-boundary>
+      <SourceChip source={source} />
+    </span>
+  )
 }
 
 const WORKSPACE_LINK_PREFIX = '#sim-workspace-ref-'
@@ -196,7 +200,9 @@ function WorkspaceReference({ index, children }: SourceReferenceProps) {
   const { resources, onSelect } = useContext(WorkspaceRefsContext)
   const resource = resources[index]
   return resource ? (
-    <WorkspaceResourceDisplay data={resource} onSelect={onSelect} />
+    <span data-chat-find-boundary>
+      <WorkspaceResourceDisplay data={resource} onSelect={onSelect} />
+    </span>
   ) : (
     <>{children}</>
   )
@@ -342,7 +348,10 @@ const MARKDOWN_COMPONENTS = {
 
     return (
       <div className='not-prose my-6 overflow-hidden rounded-lg border border-[var(--border)]'>
-        <div className='flex items-center justify-between border-[var(--border)] border-b bg-[var(--surface-4)] px-4 py-2 dark:bg-[var(--surface-4)]'>
+        <div
+          data-chat-find-ignore
+          className='flex items-center justify-between border-[var(--border)] border-b bg-[var(--surface-4)] px-4 py-2 dark:bg-[var(--surface-4)]'
+        >
           <span className='text-[var(--text-tertiary)] text-xs'>{language || 'code'}</span>
           <CopyCodeButton
             code={codeString}
@@ -762,6 +771,7 @@ function ChatContentInner({
                 return (
                   <div
                     key={`inline-${i}`}
+                    data-chat-find-content
                     className={cn(PROSE_CLASSES, '[&>:first-child]:mt-0 [&>:last-child]:mb-0')}
                   >
                     <Streamdown

apps/sim/app/workspace/[workspaceId]/home/components/message-content/index.ts

@@ -1,6 +1,7 @@
 export {
   assistantMessageHasRenderableContent,
   getOrchestratorMessageText,
+  getOrchestratorMessageTextSegments,
   MessageContent,
 } from './message-content'
 export type { MessagePhase } from './utils'

apps/sim/app/workspace/[workspaceId]/home/components/message-content/message-content.tsx

@@ -624,21 +624,23 @@ export function parseBlocks(blocks: ContentBlock[], isStreaming = false): Messag
   )
 }
 
-function joinRenderableText(parts: string[]): string {
-  return parts.filter(Boolean).join('\n\n')
+/** Returns independently rendered text segments, excluding agent groups and other UI segments. */
+export function getOrchestratorMessageTextSegments(
+  blocks: ContentBlock[],
+  fallbackContent: string
+): string[] {
+  const parsed = blocks.length > 0 ? parseBlocks(blocks) : []
+  if (parsed.length === 0) return [fallbackContent]
+
+  return parsed.map((segment) => (segment.type === 'text' ? segment.content : '')).filter(Boolean)
 }
 
 /** Returns only top-level orchestrator text, excluding agent groups and other UI segments. */
 export function getOrchestratorMessageText(
   blocks: ContentBlock[],
   fallbackContent: string
 ): string {
-  const parsed = blocks.length > 0 ? parseBlocks(blocks) : []
-  if (parsed.length === 0) return fallbackContent
-
-  return joinRenderableText(
-    parsed.map((segment) => (segment.type === 'text' ? segment.content : ''))
-  )
+  return getOrchestratorMessageTextSegments(blocks, fallbackContent).join('\n\n')
 }
 
 function parseBlocksLegacy(blocks: ContentBlock[]): MessageSegment[] {

apps/sim/app/workspace/[workspaceId]/home/components/mothership-chat/chat-find-text.test.ts

@@ -0,0 +1,22 @@
+import { describe, expect, it } from 'vitest'
+import { getChatFindText } from '@/app/workspace/[workspaceId]/home/components/mothership-chat/chat-find-text'
+
+describe('chat find text', () => {
+  it('searches visible Markdown across inline formatting without indexing link destinations', () => {
+    expect(getChatFindText('A **formatted** [answer](https://example.com/hidden).')).toBe(
+      'A formatted answer.'
+    )
+  })
+
+  it('keeps separate blocks and inline images from creating joined words', () => {
+    expect(getChatFindText('first\n\nsecond\n\nleft![image](image.png)right')).toBe(
+      'first\nsecond\nleft\uffffright'
+    )
+  })
+
+  it('preserves code and decodes escaped prose without indexing reference definitions', () => {
+    expect(
+      getChatFindText('Use `a_b` and a\\_b & c.\n\n```ts\na_b()\n```\n\n[ref]: /hidden')
+    ).toBe('Use a_b and a_b & c.\na_b()')
+  })
+})

apps/sim/app/workspace/[workspaceId]/home/components/mothership-chat/chat-find-text.ts

@@ -0,0 +1,32 @@
+import type { Nodes } from 'mdast'
+import remarkGfm from 'remark-gfm'
+import remarkParse from 'remark-parse'
+import { unified } from 'unified'
+
+const parser = unified().use(remarkParse).use(remarkGfm)
+const INLINE_CONTAINERS = new Set([
+  'paragraph',
+  'heading',
+  'strong',
+  'emphasis',
+  'delete',
+  'link',
+  'linkReference',
+  'tableCell',
+])
+
+/** Projects Markdown onto searchable display text, excluding invisible destinations and metadata. */
+export function getChatFindText(markdown: string): string {
+  function text(node: Nodes): string {
+    if (node.type === 'text' || node.type === 'inlineCode' || node.type === 'code')
+      return node.value
+    if (node.type === 'image' || node.type === 'imageReference') return '\uffff'
+    if (node.type === 'break') return '\n'
+    if (!('children' in node)) return ''
+    return node.children
+      .map(text)
+      .filter(Boolean)
+      .join(INLINE_CONTAINERS.has(node.type) ? '' : '\n')
+  }
+  return text(parser.parse(markdown))
+}

apps/sim/app/workspace/[workspaceId]/home/components/mothership-chat/mothership-chat.tsx

@@ -18,6 +18,7 @@ import { defaultRangeExtractor, type Range, useVirtualizer } from '@tanstack/rea
 import { SMOOTH_CHASE_RATE } from '@/lib/core/utils/smooth-bottom-chase'
 import type { WorkspaceFileRecord } from '@/lib/uploads/contexts/workspace'
 import { inter } from '@/app/_styles/fonts/inter/inter'
+import { FindBar } from '@/app/workspace/[workspaceId]/components/find-bar'
 import { MessageActions } from '@/app/workspace/[workspaceId]/components/message-actions'
 import { ChatMessageAttachments } from '@/app/workspace/[workspaceId]/home/components/chat-message-attachments'
 import { ChatSurfaceProvider } from '@/app/workspace/[workspaceId]/home/components/chat-surface-context'
@@ -41,6 +42,7 @@ import {
   toCopyableMarkdown,
 } from '@/app/workspace/[workspaceId]/home/components/mothership-chat/copyable-markdown'
 import { nextSizerFloor } from '@/app/workspace/[workspaceId]/home/components/mothership-chat/sizer-floor'
+import { useChatFind } from '@/app/workspace/[workspaceId]/home/components/mothership-chat/use-chat-find'
 import { QueuedMessages } from '@/app/workspace/[workspaceId]/home/components/queued-messages'
 import {
   UserInput,
@@ -217,7 +219,7 @@ const UserMessageRow = memo(function UserMessageRow({
           className={attachmentWidthClassName}
         />
       )}
-      <div className={bubbleClassName}>
+      <div className={bubbleClassName} data-chat-find-content>
         <UserMessageContent content={content} contexts={contexts} />
       </div>
     </div>
@@ -386,8 +388,8 @@ export function MothershipChat({
    */
   const messages = useDeferredValue(messagesProp)
   const [lastRowAnimating, setLastRowAnimating] = useState(false)
+  const containerRef = useRef<HTMLDivElement>(null)
   const scrollElementRef = useRef<HTMLDivElement | null>(null)
-  const { ref: autoScrollRef } = useAutoScroll(isStreamActive || lastRowAnimating)
   const sizerRef = useRef<HTMLDivElement | null>(null)
   const scrollerPaddingRef = useRef<{ top: number; bottom: number } | null>(null)
   const sizerFloorAppliedRef = useRef(0)
@@ -525,13 +527,6 @@ export function MothershipChat({
     sizerFloorAppliedRef.current = floor
     sizer.style.minHeight = `${floor}px`
   })
-  const setScrollElement = useCallback(
-    (el: HTMLDivElement | null) => {
-      scrollElementRef.current = el
-      autoScrollRef(el)
-    },
-    [autoScrollRef]
-  )
 
   const hasMessages = messages.length > 0
 
@@ -695,6 +690,23 @@ export function MothershipChat({
     useAnimationFrameWithResizeObserver: true,
   })
 
+  const find = useChatFind({
+    chatId,
+    messages,
+    hiddenUserByIndex: interactionPairing.hiddenUserByIndex,
+    containerRef,
+    scrollElementRef,
+    virtualizer,
+  })
+  const { ref: autoScrollRef } = useAutoScroll(isStreamActive || lastRowAnimating, find.isOpen)
+  const setScrollElement = useCallback(
+    (el: HTMLDivElement | null) => {
+      scrollElementRef.current = el
+      autoScrollRef(el)
+    },
+    [autoScrollRef]
+  )
+
   /**
    * Instance property — silently ignored if passed as a `useVirtualizer`
    * option. Skips scroll compensation for the streaming last row: it starts
@@ -784,7 +796,7 @@ export function MothershipChat({
   }, [chatId, hasMessages, initialScrollBlocked, lastIndex, virtualizer])
 
   /**
-   * The user's OWN send always snaps the viewport to their message: sending IS the intent
+   * With find closed, the user's own send snaps the viewport to their message: sending is the intent
    * to watch the reply, and the streaming sticky-scroll only engages when already pinned
    * to the bottom — from a scrolled-up position a fresh turn would stream out of view
    * (verified live, three-for-three, during the revamp browser pass).
@@ -795,11 +807,11 @@ export function MothershipChat({
   const scrolledForUserMsgRef = useRef<string | undefined>(undefined)
   useLayoutEffect(() => {
     if (!lastUserMessageId || scrolledForUserMsgRef.current === lastUserMessageId) return
-    if (isSending && initialScrollBlocked) return
+    if (find.isOpen || (isSending && initialScrollBlocked)) return
     scrolledForUserMsgRef.current = lastUserMessageId
     if (!isSending) return
     virtualizer.scrollToIndex(lastIndex, { align: 'end' })
-  }, [lastUserMessageId, lastIndex, isSending, initialScrollBlocked, virtualizer])
+  }, [lastUserMessageId, lastIndex, isSending, initialScrollBlocked, virtualizer, find.isOpen])
 
   const virtualItems = virtualizer.getVirtualItems()
 
@@ -813,7 +825,32 @@ export function MothershipChat({
       onViewSources={onViewSources}
       onWorkspaceResourceSelect={onWorkspaceResourceSelect}
     >
-      <div className={cn('flex h-full min-h-0 flex-col', inter.className, className)}>
+      <div
+        ref={containerRef}
+        onKeyDown={find.onKeyDown}
+        tabIndex={-1}
+        className={cn(
+          'relative flex h-full min-h-0 flex-col [&::highlight(chat-find)]:bg-[var(--highlight-match-bg)] [&::highlight(chat-find)]:text-[var(--highlight-match-text)] [&::highlight(chat-find-active)]:bg-[var(--brand-secondary)] [&::highlight(chat-find-active)]:text-[var(--color-black)]',
+          inter.className,
+          className
+        )}
+      >
+        {find.isOpen && (
+          <FindBar
+            ariaLabel='Find in chat'
+            query={find.query}
+            onQueryChange={find.onQueryChange}
+            onNext={find.next}
+            onPrev={find.prev}
+            onClose={find.close}
+            count={find.count}
+            currentIndex={find.currentIndex}
+            truncated={find.truncated}
+            isLoading={find.isStale}
+            canNavigate={!find.isStale}
+            inputRef={find.inputRef}
+          />
+        )}
         <div ref={setScrollElement} className={styles.scrollContainer} onCopy={handleCopy}>
           {isLoading && !hasMessages ? (
             <MothershipChatSkeleton layout={layout} />