feat: improve chat streaming UX and add Mermaid diagram rendering (#438)

* feat: show current branch in empty chat state

* fix: display current git branch for worktrees and update them with branch change

* refactor: improve read tool output parsing with structured data

* feat: add support for message part delta events

* fix(chat): improve streaming rendering, scroll behavior, and assistant action visibility

* feat: Add mermaid diagram support to chat markdown rendering

* fix: update table download functionality to include success notification and remove unused MarkdownRenderer import

* refactor: streamline Streamdown component props for improved readability

* fix: preserve Streamdown code-block markers and use native Tauri cache clearing

* feat: add context overview panel to view conversation details
This commit is contained in:
Bohdan Triapitsyn
2026-02-17 18:25:03 +02:00
committed by GitHub
parent 138772e66e
commit 4d71bb27eb
31 changed files with 1391 additions and 182 deletions
@@ -329,7 +329,7 @@ const AssistantMessageBody: React.FC<Omit<MessageBodyProps, 'isUser'>> = ({
const openMultiRunLauncherWithPrompt = useUIStore((state) => state.openMultiRunLauncherWithPrompt);
const isLastAssistantInTurn = turnGroupingContext?.isLastAssistantInTurn ?? false;
const hasStopFinish = messageFinish === 'stop';
// TTS for message playback
const { isPlaying: isTTSPlaying, play: playTTS, stop: stopTTS } = useMessageTTS();
const showMessageTTSButtons = useConfigStore((state) => state.showMessageTTSButtons);
@@ -16,6 +16,7 @@ import {
renderWebSearchOutput,
formatInputForDisplay,
parseDiffToUnified,
parseReadToolOutput,
type UnifiedDiffHunk,
type SideBySideDiffHunk,
type SideBySideDiffLine,
@@ -740,33 +741,41 @@ const ToolOutputDialog: React.FC<ToolOutputDialogProps> = ({ popup, onOpenChange
}
if (tool === 'read') {
const lines = popup.content.split('\n');
const parsedReadOutput = parseReadToolOutput(popup.content);
const inputMeta = popup.metadata?.input;
const inputObj = typeof inputMeta === 'object' && inputMeta !== null ? (inputMeta as Record<string, unknown>) : {};
const offset = typeof inputObj.offset === 'number' ? inputObj.offset : 0;
const limit = typeof inputObj.limit === 'number' ? inputObj.limit : undefined;
const isInfoMessage = (line: string) => line.trim().startsWith('(');
let fallbackLineCursor = offset;
const hasExplicitLineNumbers = parsedReadOutput.lines.some((line) => line.lineNumber !== null);
return (
<div>
{lines.map((line: string, idx: number) => {
{parsedReadOutput.lines.map((line, idx: number) => {
if (line.lineNumber !== null) {
fallbackLineCursor = line.lineNumber;
}
const isInfo = isInfoMessage(line);
const shouldAssignFallbackLineNumber =
parsedReadOutput.type === 'file'
&& !hasExplicitLineNumbers
&& line.lineNumber === null
&& !line.isInfo;
const lineNumber = offset + idx + 1;
const effectiveLineNumber = line.lineNumber ?? (shouldAssignFallbackLineNumber
? (fallbackLineCursor += 1)
: null);
const shouldShowLineNumber = !isInfo && (limit === undefined || idx < limit);
const shouldShowLineNumber = !line.isInfo && effectiveLineNumber !== null;
return (
<div key={idx} className={`typography-code font-mono flex ${isInfo ? 'text-muted-foreground/70 italic' : ''}`}>
<div key={idx} className={`typography-code font-mono flex ${line.isInfo ? 'text-muted-foreground/70 italic' : ''}`}>
<span className="w-12 flex-shrink-0 text-right pr-3 select-none border-r mr-3 -my-0.5 py-0.5" style={{ color: 'var(--tools-edit-line-number)', borderColor: 'var(--tools-border)' }}>
{shouldShowLineNumber ? lineNumber : ''}
{shouldShowLineNumber ? effectiveLineNumber : ''}
</span>
<div className="flex-1 min-w-0">
{isInfo ? (
<div className="whitespace-pre-wrap break-words">{line}</div>
{line.isInfo ? (
<div className="whitespace-pre-wrap break-words">{line.text}</div>
) : (
<SyntaxHighlighter
style={syntaxTheme}
@@ -794,7 +803,7 @@ const ToolOutputDialog: React.FC<ToolOutputDialogProps> = ({ popup, onOpenChange
},
}}
>
{line}
{line.text}
</SyntaxHighlighter>
)}
</div>
@@ -24,6 +24,7 @@ import {
formatEditOutput,
detectLanguageFromOutput,
formatInputForDisplay,
parseReadToolOutput,
} from '../toolRenderers';
type ToolStateWithMetadata = ToolStateUnion & { metadata?: Record<string, unknown>; input?: Record<string, unknown>; output?: string; error?: string; time?: { start: number; end?: number } };
@@ -808,31 +809,40 @@ const ToolExpandedContent: React.FC<ToolExpandedContentProps> = React.memo(({
if (hasStringOutput && outputString.trim()) {
if (part.tool === 'read') {
const formattedOutput = formatEditOutput(outputString, part.tool, metadata);
const lines = formattedOutput.split('\n');
const parsedReadOutput = parseReadToolOutput(outputString);
const offset = typeof input?.offset === 'number' ? input.offset : 0;
const limit = typeof input?.limit === 'number' ? input.limit : undefined;
const isInfoMessage = (line: string) => line.trim().startsWith('(');
const contentForLanguage = parsedReadOutput.lines.map((line) => line.text).join('\n');
let fallbackLineCursor = offset;
const hasExplicitLineNumbers = parsedReadOutput.lines.some((line) => line.lineNumber !== null);
return renderScrollableBlock(
<div className="typography-code w-full min-w-0 space-y-1">
{lines.map((line: string, idx: number) => {
const isInfo = isInfoMessage(line);
const lineNumber = offset + idx + 1;
const shouldShowLineNumber = !isInfo && (limit === undefined || idx < limit);
{parsedReadOutput.lines.map((line, idx) => {
if (line.lineNumber !== null) {
fallbackLineCursor = line.lineNumber;
}
const shouldAssignFallbackLineNumber =
parsedReadOutput.type === 'file'
&& !hasExplicitLineNumbers
&& line.lineNumber === null
&& !line.isInfo;
const effectiveLineNumber = line.lineNumber ?? (shouldAssignFallbackLineNumber
? (fallbackLineCursor += 1)
: null);
const shouldShowLineNumber = !line.isInfo && effectiveLineNumber !== null;
return (
<div key={idx} className={cn('typography-code font-mono flex w-full min-w-0', isInfo && 'text-muted-foreground/70 italic')}>
<div key={idx} className={cn('typography-code font-mono flex w-full min-w-0', line.isInfo && 'text-muted-foreground/70 italic')}>
<span className="w-10 flex-shrink-0 text-right pr-3 select-none border-r mr-3 -my-0.5 py-0.5" style={{ color: 'var(--tools-edit-line-number)', borderColor: 'var(--tools-border)' }}>
{shouldShowLineNumber ? lineNumber : ''}
{shouldShowLineNumber ? effectiveLineNumber : ''}
</span>
<div className="flex-1 min-w-0">
{isInfo ? (
<div className="whitespace-pre-wrap break-words">{line}</div>
{line.isInfo ? (
<div className="whitespace-pre-wrap break-words">{line.text}</div>
) : (
<SyntaxHighlighter
style={syntaxTheme}
language={detectLanguageFromOutput(formattedOutput, part.tool, input as Record<string, unknown>)}
language={detectLanguageFromOutput(contentForLanguage, part.tool, input as Record<string, unknown>)}
PreTag="div"
wrapLines
wrapLongLines
@@ -855,7 +865,7 @@ const ToolExpandedContent: React.FC<ToolExpandedContentProps> = React.memo(({
},
}}
>
{line}
{line.text}
</SyntaxHighlighter>
)}
</div>
@@ -1073,6 +1083,7 @@ const ToolPart: React.FC<ToolPartProps> = ({ part, isExpanded, onToggle, syntaxT
const showTextJustificationActivity = useUIStore((state) => state.showTextJustificationActivity);
const justificationText = React.useMemo(() => {
if (!showTextJustificationActivity) return null;
if (part.tool === 'apply_patch') return null;
// Get title or description from state - this is the "yapping" text like "Shows system information"
const title = (stateWithData as { title?: string }).title;
if (typeof title === 'string' && title.trim().length > 0) {
@@ -1083,7 +1094,7 @@ const ToolPart: React.FC<ToolPartProps> = ({ part, isExpanded, onToggle, syntaxT
return inputDesc;
}
return null;
}, [showTextJustificationActivity, stateWithData, input]);
}, [showTextJustificationActivity, part.tool, stateWithData, input]);
const runtime = React.useContext(RuntimeAPIContext);
@@ -44,6 +44,81 @@ export const formatEditOutput = (output: string, toolName: string, metadata?: Re
return cleaned;
};
export interface ParsedReadOutputLine {
text: string;
lineNumber: number | null;
isInfo: boolean;
}
export interface ParsedReadToolOutput {
type: 'file' | 'directory' | 'unknown';
lines: ParsedReadOutputLine[];
}
export const parseReadToolOutput = (output: string): ParsedReadToolOutput => {
const typeMatch = output.match(/<type>(file|directory)<\/type>/i);
const detectedType = (typeMatch?.[1]?.toLowerCase() ?? 'unknown') as ParsedReadToolOutput['type'];
const contentMatch = output.match(/<content>([\s\S]*?)<\/content>/i);
const rawContent = contentMatch?.[1] ?? output;
const normalizedContent = rawContent.replace(/\r\n/g, '\n');
const rawLines = normalizedContent.split('\n');
const isTruncationInfoLine = (text: string): boolean => {
return /\(\s*File has more lines\..*offset.*\)/i.test(text.trim());
};
const parsedLines = rawLines.map((line): ParsedReadOutputLine => {
const trimmed = line.trim();
const isInfo = (trimmed.startsWith('(') && trimmed.endsWith(')')) || isTruncationInfoLine(trimmed);
if (detectedType !== 'directory') {
const numberedMatch = line.match(/^(\d+):\s?(.*)$/);
if (numberedMatch) {
const numberedText = numberedMatch[2];
const numberedTrimmed = numberedText.trim();
const numberedIsInfo =
(numberedTrimmed.startsWith('(') && numberedTrimmed.endsWith(')'))
|| isTruncationInfoLine(numberedTrimmed);
return {
lineNumber: numberedIsInfo ? null : Number(numberedMatch[1]),
text: numberedText,
isInfo: numberedIsInfo,
};
}
}
return {
lineNumber: null,
text: line,
isInfo,
};
});
const lines = parsedLines.filter((line, index, arr) => {
if (line.text.trim().length > 0) {
return true;
}
const prev = arr[index - 1];
const next = arr[index + 1];
const adjacentToInfo = Boolean(prev?.isInfo || next?.isInfo);
const hasNumber = line.lineNumber !== null;
// Drop numbered blank lines wrapped around helper/info rows.
if (adjacentToInfo && hasNumber) {
return false;
}
return true;
});
return {
type: detectedType,
lines,
};
};
export const renderListOutput = (output: string, options?: { unstyled?: boolean }) => {
try {
const lines = output.trim().split('\n').filter(Boolean);