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fix(web): a new workbench gets a short title instead of its whole first message (CL-9601) #1021

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Merged
TheGreatAxios merged 1 commit into from
Sep 30, 2026
Merged

fix(web): a new workbench gets a short title instead of its whole first message (CL-9601) #1021

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23 changes: 16 additions & 7 deletions apps/web/src/auto-workbench-title.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,22 +6,31 @@
export const NEW_WORKBENCH_TITLE = "New Workbench";

/** Sidebar-friendly cap — long enough for a goal phrase, short enough to scan. */
export const AUTO_WORKBENCH_TITLE_MAX = 48;
export const AUTO_WORKBENCH_TITLE_MAX = 40;

// Truncates at a word boundary when the cut would land mid-word past
// halfway, appending an ellipsis.
const LEADING_FILLER =
/^(?:(?:hey|hi|hello|so|ok|okay)[,\s]+)?(?:(?:can|could|would|will)\s+you\s+|please\s+|pls\s+|i(?:'d| would)? (?:like|want|need) (?:you )?to\s+)+(?:please\s+)?/iu;

// First sentence or clause, filler stripped, first letter capitalised, cut at
// a word boundary with an ellipsis when it still exceeds the cap.
export function titleFromFirstMessage(
message: string,
maxLength: number = AUTO_WORKBENCH_TITLE_MAX,
): string | undefined {
const collapsed = message.trim().replace(/\s+/g, " ");
if (collapsed.length === 0) return undefined;
if (collapsed.length <= maxLength) return collapsed;
const clause = (collapsed.split(/[.!?:;]+(?:\s|$)|\s[-—–]\s/u)[0] ?? "").replace(
LEADING_FILLER,
"",
);
const cleaned = clause.replace(/[\s.,;:!?]+$/u, "");
if (cleaned.length === 0) return undefined;
const title = cleaned.charAt(0).toLocaleUpperCase() + cleaned.slice(1);
if (title.length <= maxLength) return title;

const sliced = collapsed.slice(0, maxLength);
const sliced = title.slice(0, maxLength);
const lastSpace = sliced.lastIndexOf(" ");
const cut = lastSpace > Math.floor(maxLength / 2) ? sliced.slice(0, lastSpace) : sliced;
return `${cut.replace(/[.,;:!?]+$/u, "")}…`;
return `${cut.replace(/[\s.,;:!?]+$/u, "")}…`;
}

// `undefined` unless the workbench is still the generic placeholder, so
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9 changes: 2 additions & 7 deletions apps/web/src/pages/new-workbench-picker.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ import { reportError } from "@corbits/error-sink";

import { useBench } from "../bench-context";
import { workbenchKeys } from "../chat-path";
import { NEW_WORKBENCH_TITLE, titleFromFirstMessage } from "@/auto-workbench-title";
import { createWorkbench, WorkbenchCreateError } from "../workbench-create";
import { useNavigate } from "../navigation";
import { ProviderSkipBanner } from "../provider-skip-banner";
Expand All @@ -29,12 +30,6 @@ export function describeWorkbenchCreateFailure(cause: unknown, refId?: string):
return refId === undefined ? message : `${message} Reference: ${refId}`;
}

/** A workbench's name is its opening ask, trimmed. */
function workbenchName(prompt: string): string {
const trimmed = prompt.trim();
return trimmed === "" ? "Workbench" : trimmed.slice(0, 60);
}

export function NewWorkbenchPickerRoute() {
const navigate = useNavigate();
const queryClient = useQueryClient();
Expand All @@ -51,7 +46,7 @@ export function NewWorkbenchPickerRoute() {
}) =>
createWorkbench({
benchTenantId,
name: workbenchName(openingMessage),
name: titleFromFirstMessage(openingMessage) ?? NEW_WORKBENCH_TITLE,
openingMessage,
}),
onSuccess: (tenantId, variables) => {
Expand Down
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