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fix: Prompt editor deletes content below truncation in long prompts #5528

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Merged
chitalian merged 1 commit into from
Jan 21, 2026
Merged

fix: Prompt editor deletes content below truncation in long prompts #5528

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42 changes: 21 additions & 21 deletions web/components/templates/prompts/id/promptChatRow.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -376,23 +376,24 @@ const PromptChatRow = (props: PromptChatRowProps) => {
);
const text = textMessage?.text || "";
const isMinimized = minimize && text.length > 100;
const displayText = isMinimized ? `${text.substring(0, 100)}...` : text;
const isStatic = text.includes("<helicone-prompt-static>");
// Always use full text to avoid truncation bugs - use CSS for visual truncation
const displayText = isStatic
? text.replace(
/<helicone-prompt-static>(.*?)<\/helicone-prompt-static>/g,
"$1",
)
: text;

return (
<div className="flex flex-col space-y-4 whitespace-pre-wrap">
<RenderWithPrettyInputKeys
text={removeLeadingWhitespace(
isStatic
? displayText.replace(
/<helicone-prompt-static>(.*?)<\/helicone-prompt-static>/g,
"$1",
)
: displayText,
)}
selectedProperties={selectedProperties}
playgroundMode={playgroundMode}
/>
<div className={isMinimized ? "line-clamp-3" : ""}>
<RenderWithPrettyInputKeys
text={removeLeadingWhitespace(displayText)}
selectedProperties={selectedProperties}
playgroundMode={playgroundMode}
/>
</div>
{hasImage(content) && (
<div className="flex flex-wrap items-center border-t border-slate-300 pt-4 dark:border-slate-700">
{content
Expand Down Expand Up @@ -480,17 +481,16 @@ const PromptChatRow = (props: PromptChatRowProps) => {
} else {
const contentString = enforceString(content) || "";
const isMinimized = minimize && contentString.length > 100;
const displayText = isMinimized
? `${contentString.substring(0, 100)}...`
: contentString;

return (
<div className="flex flex-col space-y-4 whitespace-pre-wrap">
<RenderWithPrettyInputKeys
text={displayText}
selectedProperties={selectedProperties}
playgroundMode={playgroundMode}
/>
<div className={isMinimized ? "line-clamp-3" : ""}>
<RenderWithPrettyInputKeys
text={contentString}
selectedProperties={selectedProperties}
playgroundMode={playgroundMode}
/>
</div>
</div>
);
}
Expand Down
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