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feat(thread): tooltips explaining collapsed tool-call chip icons #2739

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Merged
MattPua merged 2 commits into from
Jun 17, 2026
+39 −4
Merged

feat(thread): tooltips explaining collapsed tool-call chip icons #2739

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11a3a1e
feat(thread): tooltips explaining collapsed tool-call chip icons
MattPua Jun 17, 2026
06c94f1
refactor(thread): type chip icon keys as a closed union
MattPua Jun 17, 2026
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12 changes: 10 additions & 2 deletions packages/ui/src/features/sessions/components/new-thread/ToolCallGroupChip.tsx
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Original file line number Diff line number Diff line change
@@ -1,8 +1,12 @@
import { CaretDownIcon, CaretRightIcon } from "@phosphor-icons/react";
import type { GroupSummary } from "@posthog/ui/features/sessions/components/new-thread/buildThreadGroups";
import { motion as motionConfig } from "@posthog/ui/features/sessions/components/new-thread/conversationThreadConfig";
import {
labelForIconKey,
motion as motionConfig,
} from "@posthog/ui/features/sessions/components/new-thread/conversationThreadConfig";
import { ToolRow } from "@posthog/ui/features/sessions/components/session-update/ToolRow";
import { DotsCircleSpinner } from "@posthog/ui/primitives/DotsCircleSpinner";
import { Tooltip } from "@posthog/ui/primitives/Tooltip";
import { motion, useReducedMotion } from "framer-motion";
import type { ReactNode } from "react";

Expand Down Expand Up @@ -69,7 +73,11 @@ export function ToolCallGroupChip({
!expanded && summary.icons.length > 0 ? (
<span className="ml-1 flex shrink-0 items-center gap-1.5 text-gray-9">
{summary.icons.map(({ Icon, key }) => (
<Icon key={key} size={13} />
<Tooltip key={key} content={labelForIconKey(key)}>
<span className="flex items-center">
<Icon size={13} />
</span>
</Tooltip>
))}
</span>
) : null
Expand Down
5 changes: 3 additions & 2 deletions packages/ui/src/features/sessions/components/new-thread/buildThreadGroups.ts
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Expand Up @@ -4,6 +4,7 @@ import {
buildDoneLabel,
type CollapseMode,
type GroupCounts,
type GroupIconKey,
grouping,
iconForToolKind,
MCP_ICON,
Expand All @@ -12,7 +13,7 @@ import {

export interface GroupIconEntry {
Icon: Icon;
key: string;
key: GroupIconKey;
}

export interface GroupSummary {
Expand Down Expand Up @@ -125,7 +126,7 @@ function summarize(items: ConversationItem[]): GroupSummary {
const icons: GroupIconEntry[] = [];
const seenIcons = new Set<string>();

const addIcon = (Icon: Icon, key: string) => {
const addIcon = (Icon: Icon, key: GroupIconKey) => {
if (seenIcons.has(key) || icons.length >= grouping.maxIconsInChip) return;
seenIcons.add(key);
icons.push({ Icon, key });
Expand Down
26 changes: 26 additions & 0 deletions packages/ui/src/features/sessions/components/new-thread/conversationThreadConfig.ts
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Expand Up @@ -141,6 +141,32 @@ export function iconForToolKind(kind: CodeToolKind | null | undefined): Icon {
export const SUBAGENT_ICON: Icon = Robot;
export const MCP_ICON: Icon = PuzzlePiece;

/** The closed set of `GroupIconEntry.key` values a chip icon can carry. */
export type GroupIconKey =
| "subagent"
| "mcp"
| `kind:${CodeToolKind}`
| "kind:other";

/** Human-readable label for a chip icon, keyed by its `GroupIconEntry.key`. */
const ICON_KEY_LABELS: Partial<Record<GroupIconKey, string>> = {
subagent: "Spawned a subagent",
mcp: "Called an MCP tool",
"kind:read": "Read files",
"kind:edit": "Edited files",
"kind:delete": "Deleted files",
"kind:move": "Moved files",
"kind:search": "Searched the codebase",
"kind:execute": "Ran terminal commands",
"kind:think": "Thought through the problem",
"kind:fetch": "Fetched a web page",
"kind:question": "Asked a question",
};

export function labelForIconKey(key: GroupIconKey): string {
return ICON_KEY_LABELS[key] ?? "Ran other tools";
}

// ---------- Motion ----------

/**
Expand Down
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