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feat: implement terminal style chat history #1778

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feat: implement terminal style chat history #1778

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a068222
feat: implement terminal style chat history
PratyushChauhan Apr 6, 2026
515645c
Reset composer history and draft on thread reset
PratyushChauhan Apr 6, 2026
28d169e
Simplify chat history navigation
PratyushChauhan Apr 6, 2026
cd7686d
Reset composer history after submitting prompts
PratyushChauhan Apr 6, 2026
7387819
Restore composer trigger when cycling drafts
PratyushChauhan Apr 6, 2026
baf11f2
Merge branch 'main' into main
PratyushChauhan Apr 6, 2026
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23 changes: 23 additions & 0 deletions apps/web/src/components/ChatView.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -647,6 +647,8 @@ export default function ChatView({ threadId }: ChatViewProps) {
(store) => store.draftThreadsByThreadId[threadId] ?? null,
);
const promptRef = useRef(prompt);
const historyIndexRef = useRef(-1); // -1 = live draft
const savedDraftRef = useRef('');
const [showScrollToBottom, setShowScrollToBottom] = useState(false);
const [isDragOverComposer, setIsDragOverComposer] = useState(false);
const [expandedImage, setExpandedImage] = useState<ExpandedImagePreview | null>(null);
Expand Down Expand Up @@ -2389,6 +2391,8 @@ export default function ChatView({ threadId }: ChatViewProps) {
setComposerCursor(collapseExpandedComposerCursor(promptRef.current, promptRef.current.length));
setComposerTrigger(detectComposerTrigger(promptRef.current, promptRef.current.length));
dragDepthRef.current = 0;
historyIndexRef.current = -1;
savedDraftRef.current = '';
setIsDragOverComposer(false);
setExpandedImage(null);
}, [resetLocalDispatch, threadId]);
Expand Down Expand Up @@ -2871,6 +2875,8 @@ export default function ChatView({ threadId }: ChatViewProps) {
planMarkdown: activeProposedPlan.planMarkdown,
});
promptRef.current = "";
historyIndexRef.current = -1;
savedDraftRef.current = '';
clearComposerDraftContent(activeThread.id);
setComposerHighlightedItemId(null);
setComposerCursor(0);
Expand All @@ -2888,6 +2894,8 @@ export default function ChatView({ threadId }: ChatViewProps) {
if (standaloneSlashCommand) {
handleInteractionModeChange(standaloneSlashCommand);
promptRef.current = "";
historyIndexRef.current = -1;
savedDraftRef.current = '';
clearComposerDraftContent(activeThread.id);
setComposerHighlightedItemId(null);
setComposerCursor(0);
Expand Down Expand Up @@ -2991,6 +2999,8 @@ export default function ChatView({ threadId }: ChatViewProps) {
});
}
promptRef.current = "";
historyIndexRef.current = -1;
savedDraftRef.current = '';
clearComposerDraftContent(threadIdForSend);
setComposerHighlightedItemId(null);
setComposerCursor(0);
Expand Down Expand Up @@ -3853,6 +3863,19 @@ export default function ChatView({ threadId }: ChatViewProps) {
}
}

if (key === "ArrowUp" || (key === "ArrowDown" && historyIndexRef.current !== -1)) {
const userMsgs = activeThread?.messages.filter((m) => m.role === 'user') ?? [];
const nextIndex = historyIndexRef.current + (key === "ArrowUp" ? 1 : -1);
if (key === "ArrowUp" && nextIndex >= userMsgs.length) return false;
if (historyIndexRef.current === -1) savedDraftRef.current = promptRef.current;
historyIndexRef.current = nextIndex;
const next = nextIndex === -1 ? savedDraftRef.current : (userMsgs[userMsgs.length - 1 - nextIndex]?.text ?? '');
setPrompt(next);
setComposerCursor(next.length);
setComposerTrigger(detectComposerTrigger(next, next.length));
return true;
}

if (key === "Enter" && !event.shiftKey) {
void onSend();
return true;
Expand Down
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