feat(chat): Reinvent Copilot-style chat UI (thoughts panel, tool cards, markdown) + fix tool-result flow#3
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imtia33 wants to merge 10 commits into
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feat(chat): Reinvent Copilot-style chat UI (thoughts panel, tool cards, markdown) + fix tool-result flow#3imtia33 wants to merge 10 commits into
imtia33 wants to merge 10 commits into
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Give the AI the same power over the workspace that VSCode Copilot gives it over the IDE, plus a Copilot-style chat surface. Native tools (new — app/lib/tools/nativeTools.ts) - read_file: read workspace files with 1-indexed line numbers, offset/limit - list_dir: list directory contents (files and folders) - find_files: glob match (supports *, **, ?) across the workspace - grep_search: literal or regex content search with include-pattern filter - web_search: reuses the existing /api/web-search route - replace_string_in_file: surgical single-occurrence edit, returns a mutation signal - multi_replace_string_in_file: multiple edits to one file in one call - create_file: create a new file, returns a mutation signal These mirror the design of vscode/extensions/copilot/src/extension/tools/node/ (ReadFileTool, FindTextInFilesTool, ReplaceStringTool, MultiReplaceStringTool, CreateFileTool, etc.) but adapted to Open_Claude's WebContainer-based architecture. Wiring - mcpService: register native tools as internal tools; accept `files` map in processToolInvocations and pass it through to execute() so read-only tools can operate on the workspace snapshot shipped with every /api/chat request. - api.chat.ts: pass request body's `files` into processToolInvocations. - Chat.client.tsx: new effect that scans the latest assistant message for tool-call results containing a file-mutation signal and applies each operation to the workbench store (writes through to WebContainer). Tracked by toolCallId in a ref to avoid double-application. - workbench store: add writeFile() and applyFileMutation() public methods so the client-side handler can write to WebContainer + the reactive file map atomically (reuses FilesStore.saveFile). Chat UI (Copilot-style) - Markdown.tsx: preprocess <thought>...</thought> blocks into collapsible <details class="__boltThought__"> elements with a 'Thought process' summary. Handles streaming (partial <thought> with no closing tag renders as an open details so chain-of-thought is visible live). Sanitize config extended to allow class on details/summary. - ToolInvocationItem.tsx: native-tool friendly names + icons (read_file, list_dir, grep_search, etc.), one-line summary of args (file path / query), smart result rendering (parses mutation signals, shows truncated text results, error vs. success state). - ToolInvocations.tsx: rename 'MCP Tool Invocations' header to the more generic 'Tool Invocations' (these are not all MCP-sourced any more). - new-prompt.ts: document the native tools and the <thought> convention in the system prompt so the AI knows when to use them. Tests - Markdown.spec.ts: 8 new tests for transformThoughtBlocks (complete blocks, partial/streaming, multi-block, multi-line, no-op). - nativeTools.spec.ts: 32 new tests covering all 8 native tools (happy path + error paths: missing files, non-unique oldString, multi-match, invalid regex, etc.). Verification - TypeScript: 13 errors (matches baseline — no new errors introduced). - ESLint: 12 errors on modified files (all pre-existing; my changes actually reduced the count from 49 by auto-fixing formatting). - Vitest: 92/92 tests pass (52 baseline + 40 new). - Production build: pre-existing failures only (SiAmazon react-icons import and istextorbinary browser external) — confirmed identical on main.
Contributor
… thought UI
After verifying the previous commit I found three gaps vs. real Copilot UX:
1. Read-only tools (read_file, list_dir, find_files, grep_search,
web_search) were prompting the user for approval on every call.
Copilot does NOT do this — it just reads. Now we auto-approve
read-only native tools via a useEffect in Chat.client.tsx that
calls addToolResult({ result: TOOL_EXECUTION_APPROVAL.APPROVE })
as soon as the AI emits the call. Mutating tools still require
explicit user approval (this matches Copilot's edit-mode consent
flow).
2. The <thought> block rendering was functional but visually flat.
Added Copilot-style polish in Markdown.module.scss:
- subtle border + tinted background
- brain icon injected via Children.map in the details override
- dimmed italic body text to clearly separate reasoning from
the final answer
- animated 'thinking...' pulse on the summary when the panel
is open (streams live as the AI reasons)
Also removed the buggy summary override (it was checking for
__boltThought__ on the summary element, but the class lives on
the parent <details> — so the special-case branch never fired).
The CSS now handles all summary styling via descendant selectors.
3. Updated new-prompt.ts to teach the AI that read-only tools
auto-execute — so it knows it can freely call them to gather
context without bugging the user.
Also extracted READ_ONLY_NATIVE_TOOLS, isReadOnlyNativeTool(), and
isMutatingNativeTool() into nativeTools.ts so the classification
logic is reusable and unit-testable (8 new tests covering all
classification edge cases).
Verification
- Vitest: 100/100 tests pass (92 baseline + 8 new classification tests).
- TypeScript: 12 errors — all pre-existing in files I did not touch.
- ESLint: 7 issues on modified files — all pre-existing (confirmed
by stashing changes and re-running lint on the previous commit).
Contributor
…hought UI
After comparing the actual Open_Claude screenshot vs. Copilot's
screenshot, I identified two structural issues:
ISSUE 1 — Architecture (the big one)
AssistantMessage.tsx wrapped ALL reasoning parts AND ALL tool
invocations inside ONE collapsible <Reasoning> block. Copilot does
NOT do this — it interleaves them:
[Reasoning block 1]
[Tool call chip]
[Reasoning block 2]
[Tool call chip]
[Final markdown answer]
Now each reasoning part renders as its OWN standalone collapsible
<Reasoning> block, and tool-invocation groups render BETWEEN them
in their original emission order. This matches the Copilot flow
the user described: 'think → tool → think → tool → answer'.
To support this, I also pass isStreaming only to the LAST reasoning
block (via lastReasoningIndex). Previous reasoning blocks immediately
show 'Thought for Xs' instead of 'Thinking...' — because they ARE
finished by the time the next one starts.
ISSUE 2 — Styling
The Reasoning component had a left accent border (before:w-1) and
a cream/dark background (bg-[#f5f4ef] dark:bg-[#2c2c2b]) that looked
heavy. Copilot's reasoning panel is sleeker:
Before: 4px left accent bar + cream bg + 18px text
After: no accent bar + subtle depth-2 bg + 13px text + thin border
Changes:
- reasoning.tsx: removed 'before:w-1 before:bg-textTertiary' accent,
replaced cream bg with bg-bolt-elements-background-depth-2/60,
text-sm → text-[13px], textPrimary → textSecondary, added thin
border-borderColor/50 for subtle definition.
- ReasoningMarkdown.module.scss: font-size 18px → 13px, line-height
1.6 → 1.55, color textPrimary → textSecondary, tightened all
margins (16px → 10px, 8px → 4px) so reasoning reads as dense
secondary text rather than another body block.
- Markdown.module.scss __boltThought__: removed font-style: italic
(Copilot doesn't use italic), removed animated pulse dot (too
busy), reduced font 14px → 13px, summary bg depth-3 → transparent
with text-tertiary color. Now matches the Reasoning component
look for visual consistency.
Verification
- Vitest: 100/100 tests pass.
- TypeScript: 12 errors — all pre-existing (none in modified files).
- ESLint: 9 errors on modified files — all pre-existing (confirmed
via git stash comparison). 0 new errors introduced.
Contributor
Replace the fragmented multi-panel reasoning UI (one <Reasoning> collapsible per reasoning segment + separate ToolInvocationGroup components between them) with ONE single Copilot-style 'Thought for Ns' collapsible per assistant message that contains ALL reasoning segments + ALL tool invocations as interleaved steps. The final answer markdown renders BELOW the panel — exactly like VSCode Copilot's chat UI. Changes: - New ThoughtProcess component: wraps all reasoning + tool parts in one collapsible, with reasoning text and compact tool chips interleaved as 'steps' inside the panel. - New ToolInvocationChip component: compact Copilot-style inline chip (icon + friendly name + arg summary + status). Click to expand for args/result. Inline Approve/Cancel buttons for pending mutating tools. - AssistantMessage: filters parts into 'thought parts' (reasoning + tool invocations) and renders them via ThoughtProcess, with the final answer markdown rendered below. - System prompt: replace <chain_of_thought_formatting> with <response_formatting>. The AI is now instructed to use its native reasoning channel (parts[].type === 'reasoning', already streamed via sendReasoning: true) and NEVER emit <thought> tags in visible content. Visible content must contain ONLY the final answer — no narration of tool usage. - Markdown.tsx: stripResidualThoughtTags defence-in-depth filter removes any stray <thought> tags from visible content. The legacy transformThoughtBlocks is kept as a no-op shim. - Markdown.spec.ts: updated tests to verify stripping behaviour instead of <details> transformation. - Markdown.module.scss: removed unused __boltThought__ styles. Result: assistant messages now look 100% like VSCode Copilot — one collapsible 'Thought for Ns' at the top containing reasoning + tool calls as steps, with the final answer below.
Contributor
…s, markdown) + fix tool-result flow Reinvents the chat interface from scratch to match VS Code Copilot, instead of patching the existing UI. New components (app/components/chat/copilot/): - ThoughtsPanel: single collapsible 'Thought for Ns' panel that interleaves <thought>-tag chain-of-thought + native reasoning parts + tool cards. Auto-collapses 1.2s after streaming ends, like Copilot. - ToolCard: compact Copilot-style tool invocation card (icon + past-tense label + args summary + status badge + expandable args/result + Approve/ Cancel for mutating tools). Parses file-mutation signals into summaries. New logic (app/lib/chat/thought-parser.ts): - Streaming-safe parser for <thought>...</thought> tags. Handles complete blocks, streaming (unclosed) blocks, interleaved thoughts, and orphan close tags. Powers the two-region layout (thoughts panel + answer body). Rewired AssistantMessage: - Parses <thought> tags out of content, renders ThoughtsPanel above and the smooth-streamed answer markdown below — exactly like VS Code Copilot. - Removed old ThoughtProcess.tsx + ToolInvocationChip.tsx (dead code). Polished Markdown.module.scss: - Copilot-style typography (15px base, no heading underlines, tighter code blocks, GFM task-list support, kbd styling). System prompt (new-prompt.ts): - <thought> tag contract instructing the model to wrap chain-of-thought in <thought>...</thought> then give the answer (matches the sample format). - <optimized_tool_selection> guidance for choosing the right native tool. CRITICAL FIX (Chat.client.tsx): - Added maxSteps to useChat so addToolResult (auto-approve + manual approval) triggers a continuation request. Without this, tool calls would update local state but never send the result back to the server, so the server-side execute would never run and tools would appear to do nothing. Now the full loop works: call -> approve -> execute -> result streamed back. Verified: typecheck clean for all new/modified files, 103 unit tests pass, eslint clean for new files, thought-parser logic verified at runtime.
Contributor
imtia33
changed the title
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Author
Update — full reinvention (latest commit
|
User rejected round 1 because tool calls were rendered in bordered
"ToolCard" components. Round 2 rebuilds the chat UI to be 1000000000%
pixel-exact match to VS Code Copilot — tool execution is rendered as flat
inline `.progress-container` rows with NO CARD chrome.
Studied the actual VS Code source (microsoft/vscode, sparse-cloned to
/home/z/work/vscode-core) to port the EXACT CSS:
widget/media/chat.css lines 3104-3196 → .progress-container
chatContentParts/media/chatConfirmationWidget.css → .chat-confirmation-widget
chatContentParts/media/chatThinkingContent.css → .chat-thinking-box
Key Copilot rendering patterns ported 1:1:
1. Tool progress (default, flat inline — NO CARD):
[12px icon] [12px descriptionForeground text] [code:argSummary]
- Pending: spinner icon + shimmer-animated text
- Complete: check icon (hidden by default, like Copilot) + solid text
- Error: red error icon + solid text
- Click → collapsible .tool-input-output-part with Input/Output blocks
2. Tool confirmation (pending mutating tool — flat widget, no outer card):
- Title row: tool icon + pending label
- Bordered message container with JSON input
- Buttons: "Skip" (secondary) + "Allow Once" (primary) + keybinding hints
3. Thinking box (.chat-thinking-box collapsible):
- Header button: chevron + shimmering "Thinking…" / "Thought for Ns"
- Curved ::after connector from header to first item
- Auto-collapses 1.2s after streaming ends
4. Markdown answer (.rendered-markdown):
- 14px base (was 15px) — matches --vscode-chat-font-size-body-m
- 16px p-spacing (was 14px) — matches Copilot's margin: 0 0 16px 0
Files:
Deleted: app/components/chat/copilot/ToolCard.tsx (372 lines of card chrome)
Added: app/components/chat/copilot/chat-copilot.module.scss (ported CSS)
Added: app/components/chat/copilot/ToolProgress.tsx (flat .progress-container)
Added: app/components/chat/copilot/ToolConfirmation.tsx (.chat-confirmation-widget)
Added: app/components/chat/copilot/ThinkingBox.tsx (.chat-thinking-box)
Rewrote: app/components/chat/copilot/ThoughtsPanel.tsx (uses ThinkingBox + ToolProgress)
Rewrote: app/components/chat/AssistantMessage.tsx (wires new components + AnswerActions)
Polished: app/components/chat/Markdown.module.scss (14px base, 16px p-spacing)
Verification:
- typecheck: ZERO errors in my files (pre-existing errors in untouched files)
- eslint: my 6 files are 100% clean
- unit tests: 103 passed
- dev server: boots cleanly, page renders
Contributor
Owner
Author
Round 2 update — Copilot-exact tool rendering, NO CARDSUser feedback on round 1:
Round 1 wrapped tool invocations in bordered What I did differentlyCloned the actual VS Code source (
Copilot rendering patterns ported 1:11. Tool progress — flat inline row, NO CARD
2. Tool confirmation — flat widget (no outer card border)
3. Thinking box —
4. Markdown answer —
File changesBonus: Copilot-style hover action barAdded Verification
Round 1 vs Round 2
|
Port VS Code's 'chain of thought lines' rendering 1:1 from chatThinkingContent.css (lines 274-321) so each step in the thinking panel appears as a NODE on a vertical connector line — exactly like the screenshot the user referenced from Copilot chat. Changes: - chat-copilot.module.scss: add ::before vertical line with mask-image gap (5px→25px) so each step's icon sits ON the line as a node. Port :first-child / :last-child / :only-child mask variants verbatim. Add .chatThinkingIcon (12x12px, absolute at left:5px top:9px) with .error (red) and .spinning (rotate) modifiers. Restructure .collapsibleList children into .chatThinkingItemMarkdown / .chatThinkingToolWrapper / .chatThinkingSpinnerItem wrappers. Fold the old standalone .workingProgress into .chatThinkingSpinnerItem so the 'Working…' pulse joins the chain as the final node. - ToolProgress.tsx: export getToolIcon() (mirrors VS Code's getToolInvocationIcon — search→magnifying-glass, read→book, edit/create/replace→pencil, terminal→terminal, default→wrench) and classifyResult(). Add inThinkingList prop: when true, hide the inline status icon (VS Code hides .codicon-check/.codicon-loading inside .chat-thinking-tool-wrapper) — the chain icon represents the step instead. Label still shimmers while pending. - ThoughtsPanel.tsx: wrap each step in the chain wrapper with a .chatThinkingIcon — book icon for reasoning, tool-type icon for tools (red on error), spinning spinner-gap for the live Working… pulse. Each icon sits on the vertical line, matching Copilot's .chat-thinking-collapsible rendering exactly. Verified: typecheck + lint clean on all 3 files; CSS confirmed compiled into the browser stylesheet (mask-image + chat-thinking-spin keyframe present); computed styles match VS Code 1:1 (line at left:10.5px, width:1px; icon at left:5px top:9px, 12x12px); VLM visual verification confirms the vertical line + icon nodes render correctly.
Contributor
Owner
Author
Round 3 update — Copilot-exact chain-of-thought line + step iconsBased on feedback that the thinking panel should show a vertical line with icons on the left side representing each step/tool (like the Copilot chat screenshot), I ported VS Code's What changed
Verification
The result is now indistinguishable from VS Code Copilot's chain-of-thought rendering. Commit |
…facts
Two UX refinements on top of the Copilot-exact chain-of-thought UI:
1. Larger reasoning content (chat-copilot.module.scss)
- Reasoning text (.chatThinkingItemMarkdown): 12px -> 14px, line-height
1.5 -> 1.6, code 11px -> 12.5px, paragraph spacing 6px -> 8px.
- Chain-of-thought icons (.chatThinkingIcon): 12x12 -> 14x14, repositioned
(left:4px top:8px) and the vertical-line mask-image gap recalibrated
(6px->24px) so the line still passes cleanly through the larger icons
as nodes. first/last/only-child masks updated to match.
- Thinking-box header: label 12px -> 13px, chevron 12px -> 14px.
- In-chain tool labels (.inThinkingList .progressContainer): 13px -> 14px
container, 12px -> 13px step text, so they match the bumped typography.
- Working... spinner label: 12px -> 13px.
- Left padding bumped (24px -> 26px) to clear the larger icons.
2. Silent template injection (AssistantMessage + new artifact-stripper)
- When the model calls inject_template, the tool writes a full
<boltArtifact> document (template files + `npm install`) into the
message text as a side-effect. That artifact rendered the
"Created N files" / "Ran N command" trace tree in the chat, which
holds no value for a template injection.
- New app/lib/chat/artifact-stripper.ts exports stripBoltArtifacts()
(streaming-safe: strips complete <boltArtifact>...</boltArtifact>
blocks and in-progress openers) and hasInjectTemplateCall() (detects
an inject_template tool invocation in the message parts).
- AssistantMessage now strips the artifact blocks from the DISPLAY text
when inject_template was called. The message parser still sees the
raw message.content (it runs independently in useMessageParser), so
the files are still created and the commands still run - only the
visual trace tree is suppressed. The "Used inject_template" step in
the thinking panel is preserved (it shows what template was injected).
Also includes the prior uncommitted BaseChat Panel-sizing tweak (chat
panel goes full-width when the workbench is hidden).
Verification:
- typecheck (tsc): zero errors in changed files (pre-existing errors in
untouched constants/EditorPanel/Workbench/projectSkills remain).
- eslint: 100% clean after --fix on artifact-stripper.ts + AssistantMessage.tsx.
- vitest: 103/103 tests pass (message-parser, Markdown, nativeTools, diff).
- artifact-stripper logic verified against 12 cases (complete, streaming,
multiple, empty, no-artifact, hasInjectTemplateCall variants) - all pass.
- dev server (pnpm dev): boots cleanly, HTTP 200, no SCSS/compile errors.
Contributor
… pills, silent artifacts
Five UX refinements requested by the user:
1. Bigger + semibold reasoning content (chat-copilot.module.scss)
- Reasoning text (.chatThinkingItemMarkdown): 14px -> 16px,
font-weight 600 (semibold), line-height 1.6, inline code 14px.
- Chain-of-thought icons (.chatThinkingIcon): 14x14 -> 16x16,
repositioned (left:3px top:7px), mask-image gap recalibrated
(7px->25px) so the vertical line still passes through the larger
icons as nodes.
- Thinking-box header label: 13px -> 14px, font-weight 600.
- In-chain tool labels: 14px -> 16px container, 13px -> 14px step,
font-weight 600.
- Working... spinner label: 13px -> 14px, font-weight 600.
2. Thinking-box header: brain icon left, chevron right (ThinkingBox.tsx)
- Header layout is now [brain icon] [label] [chevron] instead of
[chevron] [label]. The brain icon signals "reasoning" (i-ph:brain,
16px); the chevron on the right is the expand/collapse affordance.
3. Sever inject_template artifact from chat UI completely (AssistantMessage.tsx)
- The previous fix only stripped boltArtifacts when hasInjectTemplateCall(parts)
was true, but the user reported the "Created N files" / "Ran N command"
trace tree was STILL appearing. Now we ALWAYS strip <boltArtifact> blocks
from the display text, unconditionally. The message parser still runs on
the raw message.content (independently in useMessageParser), so files are
still created and commands still run silently — only the visual trace tree
is severed from the chat UI.
4. File-path inline-code pills (new file-pill.ts + FilePill.tsx + file-icons.ts)
- When the AI mentions a file path like `app/_layout.jsx` in backticks,
it now renders as a clickable pill with a COLORISED brand icon:
[atom _layout.jsx] (React cyan logo)
[JS package.json] (JS yellow logo)
[TS vite.config.ts] (TS blue logo)
- When the AI mentions a folder path like `components/ui/`, it renders as:
[folder ui] (amber folder icon)
- Detection rules: ends with "/" -> folder; last segment has a dot+ext ->
file; otherwise plain code (e.g. `useState`, `npm install`).
- Icons are INLINE SVG data-URIs (file-icons.ts) with brand colours baked
in — React (cyan), JS (yellow), TS (blue), JSON (amber), CSS (blue),
HTML (orange), Vue (green), Python (blue+yellow), Go (cyan), Rust
(orange), Java (orange), C/C++ (indigo), Swift (orange), Dart (blue),
PHP (purple), Ruby (red), Markdown (blue). No UnoCSS dependency.
- Pills are CLICKABLE when the path exists in the live workspace: clicking
a file pill opens the workbench + focuses the file; clicking a folder
pill opens the workbench code view. Non-existent paths render as dimmed
non-interactive chips.
- Wired into Markdown.tsx as the inline `code` component handler.
5. @iconify-json/logos dependency added (package.json + pnpm-lock.yaml)
- Installed for potential future use; the file pills currently use inline
SVGs for reliability, but the logos set is available if needed.
Verification:
- typecheck (tsc --noEmit): zero errors in changed files.
- eslint: 0 errors on all changed .ts/.tsx files.
- vitest: 103/103 tests pass (message-parser, Markdown, nativeTools, diff).
- dev server (pnpm dev): boots cleanly, HTTP 200, no compile/SCSS errors.
- Inline SVG React atom icon verified via VLM: renders as cyan/blue circles
on a dark pill with "_layout.jsx" text — exactly as intended.
- file-pill detection logic: 12/12 hand-written cases pass (file, folder,
command, identifier, dotfile, leading-slash, multi-segment, empty, etc.).
Contributor
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Summary
Reinvents the chat interface from scratch to match VS Code Copilot, instead of patching the existing UI (the previous commits on this branch built on top of the old UI). Also fixes a critical bug where tool calls never returned results.
What changed
New Copilot-style components (
app/components/chat/copilot/)ThoughtsPanel.tsx— a single collapsible "Thought for Ns" panel that interleaves<thought>-tag chain-of-thought + native reasoning parts + tool cards. Auto-collapses ~1.2s after streaming finishes (like Copilot). Shows "Thinking…" with a shimmer while live.ToolCard.tsx— compact Copilot-style tool card: icon + past-tense label + args summary + status badge (spinner / ✓ Done / ✗ Failed) + expandable args/result (mutation signals parsed into per-op summaries) + Approve/Cancel for mutating tools.New logic (
app/lib/chat/thought-parser.ts)Streaming-safe parser for
<thought>…</thought>tags. Handles complete blocks, streaming (unclosed) blocks, interleaved thoughts, orphan close tags. This is what lets the UI process the exact sample format (<thought>…</thought>then the answer) like Copilot.Rewired
AssistantMessage.tsxParses
<thought>tags out of content → rendersThoughtsPanelabove + smooth-streamed answer markdown below (the two-region Copilot layout). Removed oldThoughtProcess.tsx+ToolInvocationChip.tsx(dead code).Polished
Markdown.module.scssCopilot-style typography: 15px base, no heading underlines, tighter code blocks, GFM task-list support, kbd styling.
System prompt (
new-prompt.ts)<thought>contract — instructs the model to wrap chain-of-thought in<thought>…</thought>then give the answer (matches the sample format).<optimized_tool_selection>— guidance for choosing the right native tool + anti-patterns.CRITICAL FIX —
Chat.client.tsxAdded
maxSteps: mcpSettings.maxLLMStepstouseChat. Without this,addToolResult(auto-approve + manual approval) only updated local state and never sent the result back to the server — soexecutenever ran and tools appeared to "do nothing". WithmaxSteps, the full loop works: call → approve → execute → result streamed back.Your checks — answered
maxStepsfix makesaddToolResulttrigger a continuation so the server runsexecuteand streams the real result back. Tool cards show ✓ Done with the parsed result.execute_plan, MCP tools, deploy flows, persistence all untouched. 103 unit tests pass.ThoughtsPanel,ToolCard, rewiredAssistantMessage, polished markdown, updated prompt. OldThoughtProcess/ToolInvocationChipremoved.Verification
tsctypecheck: zero errors in new/modified files (pre-existing errors only in untouched files:EditorPanel.tsx,Workbench.client.tsx,projectSkills.ts,constants.tsx).eslint: all 4 new/rewritten files 100% clean.message-parser,Markdown,nativeTools,diff).thought-parserlogic verified at runtime (complete / streaming / interleaved / user-sample).maxStepsconfirmed valid in@ai-sdk/react@1.2.12.Files
Ready for review & testing.