feat(web): find text in the current thread with mod+f - #12959
rodrigohpalmeirim wants to merge 6 commits into
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Long threads had no way to locate earlier text: mod+f did nothing in the desktop app and native browser find only saw the rows the virtualized timeline had mounted. Add a client-only find bar over the open thread. mod+f, or "Find in thread" in the command palette, opens it. Matches are counted from the loaded user and assistant messages and proposed plans, so folded and unmounted rows count, and are painted with the CSS Custom Highlight API onto whatever rows are mounted. Enter and Shift+Enter step between matches, unfolding the turn and pinning the row before scrolling the hit into view; Escape closes and clears. When older turns are not loaded yet the bar offers to load them. Thinking and tool output are not searched. The command palette's close handler now leaves focus alone when the action it ran already moved it, so opening find from the palette keeps the caret in the find input. No server or contract RPC changes. Implemented by Claude Fable 5.1 through the Claude Code harness in T3 Code.
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| onManualNavigation: () => void; | ||
| }) { | ||
| const pattern = useMemo(() => (enabled ? buildChatFindPattern(query) : null), [enabled, query]); | ||
| const matches = useMemo(() => collectChatFindMatches(entries, pattern), [entries, pattern]); |
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🟡 Medium chat/useChatFind.ts:51
Find results are counted from raw Markdown while highlights are searched in the rendered row, so queries matching Markdown delimiters or link destinations (for example, ** in **bold**) select a result with no visible range. Rendered row chrome can also shift the occurrence index, causing navigation to highlight the wrong hit; build the match counter from the same visible message text used by collectChatFindRanges, or otherwise map raw matches to rendered ranges.
Also found in 1 other location(s)
apps/web/src/components/chat/chatFindHighlight.ts:40
collectChatFindRangessearches the rendered DOM stream, while the find match counter is built from the original message/plan Markdown. Markdown delimiters and link destinations are absent from the rendered stream, so a query such as**bold**is counted and can be selected, but produces no range to highlight or reveal in the row. The counter and navigation therefore lead to an invisible result.
🤖 Copy this AI Prompt to have your agent fix this:
In file @apps/web/src/components/chat/useChatFind.ts around line 51:
Find results are counted from raw Markdown while highlights are searched in the rendered row, so queries matching Markdown delimiters or link destinations (for example, `**` in `**bold**`) select a result with no visible range. Rendered row chrome can also shift the occurrence index, causing navigation to highlight the wrong hit; build the match counter from the same visible message text used by `collectChatFindRanges`, or otherwise map raw matches to rendered ranges.
Also found in 1 other location(s):
- apps/web/src/components/chat/chatFindHighlight.ts:40 -- `collectChatFindRanges` searches the rendered DOM stream, while the find match counter is built from the original message/plan Markdown. Markdown delimiters and link destinations are absent from the rendered stream, so a query such as `**bold**` is counted and can be selected, but produces no range to highlight or reveal in the row. The counter and navigation therefore lead to an invisible result.
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Fixed in 4bbf955. Matches are now counted from a markdown-stripped copy of the source: emphasis delimiters, link and image targets, code fences, headings and list markers are dropped while their text is kept. A query like ** no longer counts, and bold maps to the rendered word. Exact parity with the DOM is not attainable without rendering; the remaining gap is non-content chrome such as a code block's language label.
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| switch (entry.kind) { | ||
| case "message": | ||
| if (entry.message.role !== "user" && entry.message.role !== "assistant") return null; | ||
| return { text: entry.message.text, turnId: entry.message.turnId }; |
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🟡 Medium chat/ChatFind.logic.ts:55
Matches after the 11rem-capped timeline body are counted and selected, but they remain clipped and cannot be shown to the user. chatFindEntrySource searches the full entry.message.text, while useChatFind only unfolds turns and never expands the per-message disclosure; expand the matched message (or restrict matches to visible text) when selecting a hit.
🤖 Copy this AI Prompt to have your agent fix this:
In file @apps/web/src/components/chat/ChatFind.logic.ts around line 55:
Matches after the 11rem-capped timeline body are counted and selected, but they remain clipped and cannot be shown to the user. `chatFindEntrySource` searches the full `entry.message.text`, while `useChatFind` only unfolds turns and never expands the per-message disclosure; expand the matched message (or restrict matches to visible text) when selecting a hit.
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Fixed in 4bbf955. The row context now carries the entry that holds the active match, and the collapsed user message body stays open while the match is inside it, so the highlight is visible and the reveal scroll can reach it.
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| const pattern = useMemo(() => (enabled ? buildChatFindPattern(query) : null), [enabled, query]); | ||
| const matches = useMemo(() => collectChatFindMatches(entries, pattern), [entries, pattern]); | ||
| // A new query restarts from the first match; the same query keeps its place. | ||
| const [selection, setSelection] = useState<{ query: string; match: ChatFindMatch } | null>(null); |
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🟡 Medium chat/useChatFind.ts:53
After switching from foo to bar and back, this hook restores the previous foo match instead of starting at the first occurrence, so the match counter and initial reveal are stale. selection is never cleared when query changes, and the selection.query === query check reactivates it when foo returns. Reset the selection whenever the query changes.
const [selection, setSelection] = useState<{ query: string; match: ChatFindMatch } | null>(null);
+ useEffect(() => {
+ setSelection(null);
+ }, [query]);🤖 Copy this AI Prompt to have your agent fix this:
In file @apps/web/src/components/chat/useChatFind.ts around line 53:
After switching from `foo` to `bar` and back, this hook restores the previous `foo` match instead of starting at the first occurrence, so the match counter and initial reveal are stale. `selection` is never cleared when `query` changes, and the `selection.query === query` check reactivates it when `foo` returns. Reset the selection whenever the query changes.
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Fixed in 4bbf955. The hook owns the query now, and setting it clears the stepped-to selection, so returning to an earlier query starts at its first match again. No effect involved.
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| if (entry.message.role !== "user" && entry.message.role !== "assistant") return null; | ||
| return { text: entry.message.text, turnId: entry.message.turnId }; | ||
| case "proposed-plan": | ||
| return { text: entry.proposedPlan.planMarkdown, turnId: entry.proposedPlan.turnId }; |
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🟡 Medium chat/ChatFind.logic.ts:57
chatFindEntrySource includes the entire proposedPlan.planMarkdown, so matches below ProposedPlanCard’s ten-line collapsed preview are counted and selected even though no rendered range exists to highlight or reveal them. Restrict plan search to the initially rendered preview, or expand the card when an out-of-preview match is selected.
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In file @apps/web/src/components/chat/ChatFind.logic.ts around line 57:
`chatFindEntrySource` includes the entire `proposedPlan.planMarkdown`, so matches below `ProposedPlanCard`’s ten-line collapsed preview are counted and selected even though no rendered range exists to highlight or reveal them. Restrict plan search to the initially rendered preview, or expand the card when an out-of-preview match is selected.
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Fixed in 4bbf955 with the same mechanism: while the active match is inside a collapsed plan, the card renders the full plan, and the fine scroll waits for the range to exist before positioning.
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| matchCount={chatFind.matches.length} | ||
| activeIndex={chatFind.activeIndex} | ||
| onStep={chatFind.step} | ||
| onClose={hideFind} |
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🟡 Medium chat/MessagesTimeline.tsx:1307
Closing ChatFindBar leaves findQuery populated, so reopening the bar restores the previous search and its highlights/count, including when it is closed with Escape. Clear findQuery in the close handler before hiding the bar.
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In file @apps/web/src/components/chat/MessagesTimeline.tsx around line 1307:
Closing `ChatFindBar` leaves `findQuery` populated, so reopening the bar restores the previous search and its highlights/count, including when it is closed with Escape. Clear `findQuery` in the close handler before hiding the bar.
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Intentional. Browser find in Chrome, Firefox and Safari keeps the last query when the bar is reopened, and this mirrors that so a repeat search is one keystroke away. Highlights are cleared on close and only return with the bar.
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ApprovabilityVerdict: Not approved Macroscope's review found this PR not approvable — This PR introduces a substantial production find-in-thread workflow spanning keyboard defaults, command-palette focus, virtualized timeline navigation, and rendered-text highlighting. It also changes the default Not approved because:
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Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughThis change adds in-thread chat search. It adds search state, matching and navigation logic, a find bar, timeline reveal and highlighting, keyboard and command-palette entry points, tests, styles, and documentation. ChangesChat find-in-thread
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant User
participant ChatView
participant useChatFindStore
participant MessagesTimeline
participant useChatFind
participant chatFindHighlight
User->>ChatView: Press mod+f
ChatView->>useChatFindStore: show()
useChatFindStore->>MessagesTimeline: Open find state
MessagesTimeline->>useChatFind: Search timeline entries
useChatFind->>chatFindHighlight: Paint matching ranges
chatFindHighlight->>MessagesTimeline: Display regular and active highlights
Suggested reviewers: Merge Risk: 🔵 Low · up to Using Find in thread while the chat panel is hidden can move focus to an invisible search field, but the issue is limited to that UI state. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
Comment |
Review follow-ups on pingdotgg#12959: - Match counts come from a markdown-stripped copy of the source, so delimiter-only queries no longer count and word matches line up with what the highlighter finds in the rendered row. - The row context carries the entry holding the active match; the collapsed user message body and the plan card stay open while that match is inside them, and the fine scroll waits for the range to exist. - The hook owns the query and clears the stepped-to selection when it changes, so returning to an earlier query starts at its first match.
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- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
In `@apps/web/src/components/chat/ChatFind.logic.ts`:
- Line 55: Update the Markdown normalization logic in ChatFind to preserve
HTML-shaped text inside inline and fenced code spans while stripping actual HTML
tags. Ensure searching for terms such as “div” still matches code rendered
literally by ChatMarkdown, either by protecting code segments during HTML
removal or by deriving searchable text from the Markdown AST, while retaining
existing normalization for non-code HTML.
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apps/web/src/components/chat/ChatFind.logic.test.tsapps/web/src/components/chat/ChatFind.logic.tsapps/web/src/components/chat/MessagesTimeline.tsxapps/web/src/components/chat/ProposedPlanCard.tsxapps/web/src/components/chat/useChatFind.ts
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Fenced and inline code render as written, so their contents now skip the HTML tag and emphasis stripping; a search for a tag name written in code matches again.
A NUL placeholder tripped the control-character regex lint; U+E000 is equally absent from message text and keeps the rule quiet.
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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
In `@apps/web/src/components/chat/ChatFind.logic.ts`:
- Around line 54-55: Update the fence-matching replacement in the markdown
processing flow to capture variable-length backtick or tilde delimiters, require
the closing fence to use the same marker and be at least as long as the opening
fence, and pass the fenced body through keep(). Add regression coverage for
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A fence opens on three or more backticks or tildes and closes on the same marker at least as long, so four-delimiter fences now keep their body literal for find matching too.
| return; | ||
| } | ||
|
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||
| if (command === "chat.find") { |
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The new default mod+f -> chat.find binding (guarded only by !terminalFocus) is claimed by ChatView's window capture-phase keydown handler with preventDefault + stopPropagation no matter where focus is or whether the bar can be seen, so it steals Cmd/Ctrl+F from the Files-panel code editor and opens an invisible, focus-grabbing bar when the chat column is hidden.
Open a workspace file in the Files panel (@pierre/diffs Editor), click into the code and press Cmd/Ctrl+F: before this PR the editor's search panel opened; now the window-capture handler stops the event before the editor's contentEl listener, and the chat find bar opens and takes focus (only Mod+Alt+F still reaches the editor). With the right panel maximized (the chat column is w-0 but MessagesTimeline stays mounted), shown as the <=980px modal Sheet, or with a Base UI modal open (outside content is only aria-hidden, not inert), Cmd/Ctrl+F moves focus into a find input the user cannot see; typing searches and scrolls the hidden timeline and turns live-follow off, and on web the browser's native find is gone on those surfaces.
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Fixed in ac2b0eb. chat.find now returns without preventDefault when the event target is inside the file editor (.file-preview-virtualizer) or a [role=dialog], and when the right panel is maximized, so the editor's search panel or the browser's native find runs instead. The !terminalFocus when-clause is unchanged.
| const rowRanges = collectChatFindRanges(rowElement, state.pattern); | ||
| if (state.activeMatch !== null && rowId === state.activeMatch.entryId) { | ||
| activeRange = | ||
| rowRanges[Math.min(state.activeMatch.occurrence, rowRanges.length - 1)] ?? null; |
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The active DOM range is rowRanges[Math.min(occurrence, rowRanges.length - 1)], but rowRanges come from readAssistantText over the whole [data-timeline-row-id] element, which includes chrome the source-text count never sees (the sr-only author <h3>: "T3 Code" on every assistant row, "You" on every user row, and the plan card's "Plan" badge), so the active match is shifted by one in those rows.
Assistant reply "I updated the code in two places; the code now compiles." with query "code": the counter says 1/2 but the row yields three ranges [hidden "Code", code#1, code#2]. At 1/2 the active highlight is painted on the visually hidden heading and revealRange targets the row top (a hit deep in the message stays off-screen); at 2/2 code#1 is active; code#2 can never become active. The same happens for "you" in user rows and "plan" in plan cards (reproduced with the verbatim functions over a mocked row). Scoping the walk to the body markers the citation code already uses ([data-assistant-citation-source], [data-user-message-body]) avoids it.
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Fixed in ac2b0eb. Ranges are collected from the row bodies only: [data-user-message-body], [data-assistant-citation-source], and a data-chat-find-body marker on the plan card's title and body. The hidden author heading and the Plan badge no longer enter the stream, so occurrence N in the source maps to range N in the row.
| export const CHAT_FIND_HIGHLIGHT_NAME = "t3-chat-find"; | ||
| export const CHAT_FIND_ACTIVE_HIGHLIGHT_NAME = "t3-chat-find-active"; | ||
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| export function supportsChatFindHighlights(): boolean { |
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CHAT_FIND_HIGHLIGHT_NAME, CHAT_FIND_ACTIVE_HIGHLIGHT_NAME and supportsChatFindHighlights are exported but only used inside this file, so CI's knip --exports step ("Check unused code") will fail.
vp run knip:check runs knip --workspace apps/web ... --exports and knip.jsonc does not set ignoreExportsUsedInFile, so knip 6.34.0 reports "Unused exports (3)" at chatFindHighlight.ts:4, :5 and :7 and exits 1 (reproduced on a fixture with this PR's files). That fails the job and skips the later check, typecheck and build steps; CI has not run yet because the fork PR is awaiting approval. Dropping export from the three declarations fixes it.
| export const CHAT_FIND_HIGHLIGHT_NAME = "t3-chat-find"; | |
| export const CHAT_FIND_ACTIVE_HIGHLIGHT_NAME = "t3-chat-find-active"; | |
| export function supportsChatFindHighlights(): boolean { | |
| const CHAT_FIND_HIGHLIGHT_NAME = "t3-chat-find"; | |
| const CHAT_FIND_ACTIVE_HIGHLIGHT_NAME = "t3-chat-find-active"; | |
| function supportsChatFindHighlights(): boolean { |
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Fixed in ac2b0eb. The three names are module-private now. knip --workspace apps/web --exports passes locally.
| const findFocusRequestId = useChatFindStore((store) => store.focusRequestId); | ||
| const hideFind = useChatFindStore((store) => store.hide); | ||
| // Find is scoped to one thread; switching threads closes it. | ||
| const findThreadKeyRef = useRef(listIdentityKey); |
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Find's open flag lives in a module-global store that is cleared only when an already-mounted MessagesTimeline sees listIdentityKey change (the ref starts at the current key on mount and nothing resets it on unmount), while a freshly mounted ChatFindBar treats its own mount as a focus request, so find reopens on threads where the user never opened it and can steal focus from the composer.
Press Cmd/Ctrl+F in a new, empty draft: the key is swallowed and nothing shows (the empty timeline returns before rendering the bar), but open is now true. Leaving find open and starting a new thread gives the same state (draft ChatViews are keyed by draftId and remount). Type the first prompt and press Enter: rows appear, ChatFindBar mounts and calls focus() and select() on its input, and the composer autofocus does not re-run (the thread id is unchanged), so the next keystrokes go into the find box and Enter steps through matches instead of sending. Returning from Settings or Pull requests also brings the bar back on whatever thread opens.
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Fixed in ac2b0eb. MessagesTimeline records which focus request it consumed and binds find to the thread key that had rows on screen at that moment. A request that predates the mount is consumed without opening, and a request that arrives while nothing is rendered (empty draft) is dropped and the store closed by effect. A draft's first turn, a new-thread remount, or a return from Settings can no longer bring the bar back or take focus from the composer.
| const hideFind = useChatFindStore((store) => store.hide); | ||
| // Find is scoped to one thread; switching threads closes it. | ||
| const findThreadKeyRef = useRef(listIdentityKey); | ||
| useEffect(() => { |
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On an in-place thread switch, find is closed only by this passive effect's hideFind(), so in the same effect flush useChatFind's reveal effect still runs with enabled: true, the old query and the new thread's entries and rows, calling onManualNavigation() (which cancels the new thread's position restore and turns live-follow off) and scrolling to, or unfolding the turn of, the stale query's first match.
Find is open with "error" in thread A; click server thread B (same ChatView and MessagesTimeline instance) whose history contains "error". B opens scrolled to its oldest "error" row instead of its end or remembered position (the find scrollToIndex supersedes the restore scroll), handleScroll then saves that spot as B's remembered position, live-follow can stay off, and the bar is already gone so nothing explains the jump. Resetting find in the existing render-phase listIdentityKey block, or scoping open to a thread key, prevents the stale render.
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Fixed in ac2b0eb. findOpen is derived during render as store.open && scope.threadKey === listIdentityKey, so on an in-place switch the hook is disabled in the very render that shows the new thread; the hide() is only cleanup. No stale scrollToIndex, turn expand, or onManualNavigation reaches thread B.
| .replace(/^[ \t]*(~{3,})[^\n]*\n([\s\S]*?)\n[ \t]*\1~*[ \t]*$/gm, (_, _fence, body: string) => | ||
| keep(body), | ||
| ) | ||
| .replace(/(`+)([^`]+?)\1/g, (_, _ticks, body: string) => keep(body)) |
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markdownSearchText keeps inline-code and link text verbatim, but ChatMarkdown renders path-like inline code and file links as chips whose only text is the basename (plus " · L<line>"), and mention/context chips (buttons), <details> summaries (buttons; closed bodies unmounted) and image alt text contribute no searchable DOM text, so counted hits have no range and the Math.min clamp stacks them onto another hit.
In a project thread the assistant writes "I changed apps/web/src/components/ChatView.tsx and the components list." and the user searches "components": the counter says 2 but the row has one DOM hit (the chip shows "ChatView.tsx"), so 1/2 and 2/2 highlight the same word and Enter looks stuck. Searching a full path such as "apps/server/src/wsServer.ts" against "apps/server/src/wsServer.ts:120" shows 1/1 with no highlight at all. Coding agents cite paths this way in most replies. The new test at ChatFind.logic.test.ts:84 also locks image alt text into the count.
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Fixed in ac2b0eb for the common cases. Inline code and markdown links that resolve to a file (same resolveInlineCodeFileLinkMeta / resolveMarkdownFileLinkMeta, with the thread cwd) are replaced by the chip label (basename plus · L<line>), images contribute no text, and user context chips are removed. Not replicated: the parent-directory suffix ChatMarkdown adds when two files in one message share a basename, <details> summaries, and mention chips. For any residual mismatch the active range now prefers the exact occurrence and only falls back to the last painted hit after the retry window, so stepping still lands in the right row.
| switch (entry.kind) { | ||
| case "message": | ||
| if (entry.message.role !== "user" && entry.message.role !== "assistant") return null; | ||
| return { text: markdownSearchText(entry.message.text), turnId: entry.message.turnId }; |
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Entries are counted from raw message.text, but user rows render resolveUserMessageContext(message).text through ChatMarkdown with parseRawHtml={false} (raw HTML shown literally; legacy <terminal_context>/<element_context> blocks lifted into chips) and assistant rows render Codex :codex-file-citation{...} directives as basename links, so visible text reports "No results" while hidden text is counted.
User message Why does <Suspense> not catch this error? with query "suspense" shows "No results" (the tag rule at line 67 deletes it) even though it is on screen; the same goes for Promise<void> or Array<T>. A legacy user message ending in a terminal_context block counts words from the hidden terminal output ("boom" gives 1/1 with nothing highlighted). In a Codex thread :codex-file-citation{path="/repo/apps/web/src/lib/bar.ts"} renders as "bar.ts", yet "src" counts 3 hits with 0 in the DOM. Normalizing through resolveUserMessageContext and renderCodexDirectivesForCopy (existing helpers) and not stripping tags for user rows would line them up.
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Fixed in ac2b0eb. User rows normalize resolveUserMessageContext(message).text with tag stripping off, so <Suspense> counts and highlights; legacy terminal/element context blocks are lifted into chips and dropped. Assistant text goes through renderCodexDirectivesForCopy first, so a Codex citation counts as its basename.
| if (pending?.rowId === rowId) { | ||
| const listState = list.getState(); | ||
| const index = listState.indexByKey(rowId); | ||
| const settled = index !== undefined && listState.sizeAtIndex(index) > 0; |
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The pending reveal counts a row as settled once sizeAtIndex(index) > 0 and any active range exists, then scrolls once and clears pendingRevealRef with no retry and no cancellation on user input; right after revealed expands a plan or long user message that size is still the last measured collapsed height, and a code block still showing its aria-hidden Suspense fallback yields no range or a clamped neighbour.
A thread ends with a long, collapsed proposed plan; search a word about 40 lines into it: the plan expands in the same commit, but the rAF paint runs before LegendList's ResizeObserver re-measures, so scrollToOffset is clamped to the stale total size and the match stays below the viewport with no retry. For a hit inside a code block whose Shiki grammar has not loaded yet, the loop either settles on a different hit in that row (never revealing the real one) or keeps retrying for up to 60 frames and then yanks the viewport back after the user has already scrolled away.
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Fixed in ac2b0eb. The reveal requires the exact range for the occurrence rather than a clamped neighbour, revealRange reports when the wanted offset was clamped by an unmeasured row so the paint loop retries next frame, and wheel/touchmove/pointerdown on the scroll node cancel a pending reveal so it cannot yank the viewport after the user has moved on.
| const rect = range.getBoundingClientRect(); | ||
| const scrollRect = scrollNode.getBoundingClientRect(); | ||
| if (rect.height <= 0 || scrollNode.clientHeight <= 0) return; | ||
| const visible = |
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revealRange treats the active range as visible when it sits 48px inside the scroll node's rect vertically, ignoring the composer overlay that covers the bottom of that node and any horizontal clipping by nested scrollers, so the active match can stay hidden while the counter advances.
With the composer expanded (a glass overlay of roughly 140-190px positioned over the list), stepping to a hit deep in a long message lands it near y=700 of an 800px viewport; rect.bottom <= scrollRect.bottom - 48 passes, revealRange returns, and the active highlight sits under the composer. A hit in the last column of a wide markdown table (tables scroll horizontally inside a ScrollArea) or at the end of an unwrapped code line is never scrolled into horizontal view. Other scroll code already subtracts the composer inset (timelineScrollAnchoring.ts:63, ChatView.tsx:5370).
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Fixed in ac2b0eb for the composer: the visibility check and target offset subtract the composer inset (contentInsetEndAdjustment, the same value the timeline footer uses). Horizontal clipping inside a table's ScrollArea or an unwrapped code line is not handled; the highlight is painted but not scrolled horizontally. Left as is for now; happy to follow up if maintainers want it.
| return { text: markdownSearchText(entry.message.text), turnId: entry.message.turnId }; | ||
| case "proposed-plan": | ||
| return { | ||
| text: markdownSearchText(entry.proposedPlan.planMarkdown), |
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Plans are counted over raw planMarkdown, but ProposedPlanCard renders a "Plan" badge, a title from proposedPlanTitle(...) ?? "Proposed plan" and a body from stripDisplayedPlanMarkdown (which drops the leading title and a following "Summary" heading), so plan rows have phantom and extra hits and the occurrence-to-range mapping is off.
Plan "# Fix login / ## Summary / Do X" with query "summary" shows 1/1 with no DOM range, so nothing is highlighted and the reveal retries for 60 frames, then gives up. This PR's own fixture "# Plan / 1. Reproduce the login bug ..." with query "plan" counts 1 but renders 2 (badge and title), so the active highlight lands on the badge. A plan without a heading counts "proposed" once but also renders it in the fallback title.
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Fixed in ac2b0eb. Plan text is now proposedPlanTitle(plan) ?? "Proposed plan" followed by stripDisplayedPlanMarkdown(plan) normalized, which is what the card renders; the badge sits outside the body markers so it is not painted.
| const match = next >= 0 ? matches[next] : undefined; | ||
| if (!match) return; | ||
| // Re-reveal even when the match is unchanged, as with a single result. | ||
| navigatedKeyRef.current = null; |
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Re-revealing depends on refs and targetKey changes: step() nulls navigatedKeyRef but nothing re-runs the effect when the match is unchanged, expandedKeyRef is never cleared by step(), and until the user steps the active match is simply matches[0], so navigation silently fails or fires later without a user action.
(a) With a single result, scroll away and press Enter: nothing happens; the next unrelated update (a streamed chunk, a disclosure toggle) re-runs the effect with the nulled ref, yanks the view back and turns live-follow off. (b) Match A is in folded turn T: find unfolds T, you step to B, T re-folds (fold toggle or a new turn starting), Shift+Enter back to A: expandedKeyRef.current === targetKey, so T is never re-expanded and nothing is revealed while the counter says 1/2. (c) Unstepped at 1/3 in turn 30, click the bar's "Load earlier": matches[0] becomes a hit in the prepended page and the view jumps there, contrary to resolveActiveMatchIndex's own doc comment.
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Fixed in ac2b0eb. Each step bumps a reveal request that is part of the target key, so Enter on a single result re-reveals and a turn that folded again is re-expanded. The first match is adopted as the selection during render, so Load earlier cannot move an unstepped active match.
| .replace(/`+/g, "") | ||
| .replace(/(\*\*|__|~~)(?=\S)([\s\S]*?\S)\1/g, "$2") | ||
| .replace(/(^|[^\w*])[*_](?=\S)([^*_\n]*?\S)[*_](?![\w*])/g, "$1$2") | ||
| .replace(/\uE000(\d+)\uE000/g, (_, index: string) => literals[Number(index)] ?? "") |
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markdownSearchText restores its U+E000 placeholders in one non-recursive pass, so a placeholder captured inside another literal is never expanded, and it never decodes backslash escapes or character references or strips table-cell pipes, so whole code blocks and ordinary visible text drop out of the count.
A ~~~ fence wrapping a ``` fence (the backtick pass at line 56 runs before the tilde pass at line 59) leaves a raw placeholder, so "npm install" inside it shows "No results"; a stray backtick before a fence that pairs with a later inline code span makes "TypeError" in that fence count 0. Likewise **MAX\_RETRIES** (renders MAX_RETRIES), `<div>`, and "alpha beta" across table cells all count 0 while visible, and "|" counts 6 phantom hits per table row (checked against the real react-markdown pipeline).
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Fixed in ac2b0eb. Placeholders are restored until none remain, backslash escapes are kept literal and cannot open markup, character references decode, and pipes in table rows become spaces. The emphasis, link, and image rules are line-bounded now.
| const canCollapse = hasVisibleBody && shouldCollapseUserMessage(props.text); | ||
| const isCollapsed = canCollapse && !expanded; | ||
| // The find bar holds the body open while its active match is inside. | ||
| const isCollapsed = canCollapse && !expanded && props.revealed !== true; |
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revealed is a temporary override OR-ed into the collapse state instead of setting the component's own expanded state, so while find holds a long user message or plan open its "Show less"/"Collapse plan" button (setExpanded(isCollapsed), i.e. setExpanded(false)) does nothing, and as soon as find closes or steps away the body re-collapses and hides the text that was just found.
Search a word that appears only past the 10-line preview of a long plan: the plan expands and the hit scrolls into view, but the visible "Collapse plan" button is a no-op. Press Escape to read: chatFindRevealEntryId becomes null, the card swaps back to the preview so the matched text leaves the DOM, and since the list anchors on the plan itself the viewport can land on unrelated content. The same applies to long user messages here and in ProposedPlanCard.tsx:76/208.
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Fixed in ac2b0eb. revealed now flips the component's own expanded state when it changes, so Collapse works while find is open and the text stays visible after Escape.
| .replace(/^[ \t]*(?:[-*+]|\d+[.)])[ \t]+(?:\[[ xX]\][ \t]+)?/gm, "") | ||
| .replace(/^[ \t]*\|?[ \t]*:?-{3,}:?[ \t]*(\|[ \t]*:?-{3,}:?[ \t]*)*\|?[ \t]*$/gm, "") | ||
| .replace(/`+/g, "") | ||
| .replace(/(\*\*|__|~~)(?=\S)([\s\S]*?\S)\1/g, "$2") |
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markdownSearchText has quadratic rules for unclosed **/__/~~ (line 73) and [ (line 65) openers, and collectChatFindMatches re-runs it over every loaded message on every keystroke and every entries change with no per-message cache, so one large message stalls the main thread on each update.
A user message of 64K-120K chars of unfenced C (void f(char **argv, int **grid), sendable via paste-as-text) costs 150-560 ms per find keystroke and per streamed or activity update while a query is active; colored git log output (unclosed ESC[ sequences) costs about 320 ms at 120K. Even normal text costs about 13-19 ms per update at 150 loaded turns. A WeakMap cache keyed by the message/plan object (about 0.2 ms) plus line-bounded rules removes both.
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Fixed in ac2b0eb. Emphasis, link, and image rules stop at line ends, and normalized text is cached per message/plan object in a WeakMap, invalidated when the text or cwd changes. Locally the 111 KB unfenced-C case went from about 900 ms to about 2 ms per pass and the unclosed-[ case from about 230 ms to about 1 ms.
| aria-label="Find in thread" | ||
| className="surface-glass absolute top-2 right-4 z-30 flex items-center gap-0.5 rounded-lg border border-border/60 p-1 shadow-sm" | ||
| onKeyDown={(event) => { | ||
| if (event.nativeEvent.isComposing) return; |
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The IME guard checks only event.nativeEvent.isComposing, not the event.keyCode === 229 check the rest of the repo uses, so in Safari 26.x and earlier the Enter that commits an IME candidate (delivered after compositionend with isComposing false) steps to the next match.
On app.t3.codes or npx t3 web in macOS Safari 26.x, a Japanese or Chinese IME user types a query and presses Enter to commit the candidate: onStep(1) runs, so the counter shows 2/N instead of 1/N and the view scrolls on every commit. Sidebar.tsx:1303/2944, ThemeSearchSection.tsx:277 and others use if (event.nativeEvent.isComposing || event.keyCode === 229) return; for exactly this (#2817, #6281, #10262).
| if (event.nativeEvent.isComposing) return; | |
| if (event.nativeEvent.isComposing || event.keyCode === 229) return; |
…read Match counts now come from the text each row renders: user rows keep raw HTML literal and drop context chips, assistant rows render Codex citations first, plan cards count their title plus the body without it, file paths become their chip labels, and escapes, character references, table pipes and nested fences normalize like the renderer. Every rule is line-bounded and results are cached per entry, so a large message no longer stalls each keystroke. Highlights are collected from the row bodies only, so the hidden author heading and the plan badge cannot shift the active occurrence. Revealing waits for the exact range, retries while the list has not measured an expanded row, respects the composer overlay, and stops when the user scrolls. Each step is its own reveal request, and the first match is adopted as the selection so a prepended page cannot move it. Expanding a clipped body sets its own state, so its collapse button works and the text stays once find closes. Find binds to the thread that had rows on screen when it was requested, closes in the same render on an in-place switch, and never reopens on a remounted timeline. Mod+F yields to the file editor, to modals, and to a maximized panel. The IME guard matches the rest of the repo, and the highlight module no longer exports names nothing imports.
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What Changed
mod+f, or Find in thread in the command palette, opens a find bar over the open conversation on web and desktop.Wiring: one new
chat.findcommand in contracts, a defaultmod+fbinding gated on!terminalFocusso a focused terminal keeps the chord, a palette action, and a small store so the shortcut, palette and bar share open state. The palette's close handler now leaves focus alone when the action it ran already moved it, the same guard the composer menus use.No server, RPC or provider changes. Mobile is unchanged.
Why
There is no way to find text inside an open thread.
mod+fdoes nothing in the desktop app, and native browser find only sees the rows currently mounted, so a long agent thread means scrolling and eyeballing. Tracker: #6709.Earlier attempts (#1501, #3539, #3779, #4599, #7434, #9638, #9660, #10439, #11526) were closed for size or for touching the orchestration layer ahead of V2. This one is deliberately client-only and self-contained, so it does not conflict with that rewrite. Whole-thread search can move server-side later without changing the UI.
UI Changes
Recording.2026-09-21.232748.mp4
Verification
vp test runinapps/webonChatFind.logicandchatFindHighlight: 15 new cases cover pattern escaping and whitespace, occurrence counting across messages and plans, exclusion of thinking and system messages, active-match retention when history prepends, wrap-around stepping, and range mapping across inline markup and block boundaries. Neighbouring suites pass: assistant text selection, web keybindings, keybinding settings, command palette logic, contracts keybindings, mobile hardware keyboard commands.tsc --noEmitis clean inapps/web,apps/server,apps/desktop,apps/mobile,packages/contractsandpackages/shared. Lint and format are clean on all touched files.Checklist
Implemented by Claude Fable 5.1 through the Claude Code harness in T3 Code.
Summary by CodeRabbit
New Features
Documentation