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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | /**
* CoordinationList — read-only inventory of IPC streams for the Coordination tab.
*
* Groups streams by the task that owns their subscribers (with a trailing
* unattached/external bucket), tags each by kind, and offers a "Show internals"
* toggle to reveal internal IPC plumbing (lifecycle/pipe/stdin).
*
* Pure presentational component — data and callbacks come from the page.
*
* @module
*/
import { type JSX } from "react";
import { GitBranch, Hash, MessagesSquare, RefreshCw } from "lucide-react";
import type { Session, StreamData, TaskData } from "../../hooks/types.js";
import { groupStreamsByTask, streamKind, type StreamKind } from "../../utils/streamCoordination.js";
import { ICON_SM } from "../../utils/iconSize.js";
import styles from "./CoordinationList.module.scss";
/** Human-readable label per stream kind. */
const KIND_LABEL: Record<StreamKind, string> = {
chatroom: "Chatroom",
pipe: "Pipe",
channel: "Channel",
};
/** Icon per stream kind. */
function KindIcon({ kind }: { kind: StreamKind }): JSX.Element {
if (kind === "chatroom") {
return <MessagesSquare size={ICON_SM} aria-hidden="true" />;
}
if (kind === "pipe") {
return <GitBranch size={ICON_SM} aria-hidden="true" />;
}
return <Hash size={ICON_SM} aria-hidden="true" />;
}
/** Props for the CoordinationList component. */
export interface CoordinationListProps {
/** Streams to display (already filtered server-side by the internals toggle). */
streams: StreamData[];
/** All known sessions, used to attribute streams to their owning task. */
sessions: Session[];
/** Known tasks (only `id` + `title` are used), to render group headers. */
tasks: readonly Pick<TaskData, "id" | "title">[];
/** Whether streams are currently loading. */
loading: boolean;
/** True if the most recent load attempt failed. */
loadError?: boolean;
/** True after at least one load attempt has completed. */
loadedOnce?: boolean;
/** Whether internal IPC plumbing is currently shown. */
showInternals: boolean;
/** Called when the "Show internals" toggle changes. */
onToggleInternals: (value: boolean) => void;
/** Currently selected stream id (for highlight). */
selectedStreamId?: string;
/** Called when a stream row is clicked. */
onSelectStream: (streamId: string) => void;
/** Optional refresh callback. */
onRefresh?: () => void;
/** Hide the header controls (Show internals + refresh) when the page renders them itself. */
hideHeaderControls?: boolean;
}
/** Read-only, task-grouped inventory of IPC streams. */
export function CoordinationList({
streams,
sessions,
tasks,
loading,
loadError = false,
loadedOnce = true,
showInternals,
onToggleInternals,
selectedStreamId,
onSelectStream,
onRefresh,
hideHeaderControls = false,
}: CoordinationListProps): JSX.Element {
const groups = groupStreamsByTask(streams, sessions);
const kindClass: Record<StreamKind, string> = {
chatroom: styles.kindChatroom,
pipe: styles.kindPipe,
channel: styles.kindChannel,
};
const taskTitle = (taskId: string): string => tasks.find((t) => t.id === taskId)?.title ?? taskId;
return (
<div className={styles.container} data-testid="coordination-list">
<div className={styles.header}>
<span className={styles.title}>Coordination</span>
{!hideHeaderControls && (
<div className={styles.headerActions}>
<label className={styles.internalsToggle}>
<input
type="checkbox"
checked={showInternals}
onChange={(e) => onToggleInternals(e.target.checked)}
data-testid="coordination-show-internals"
/>
Show internals
</label>
{onRefresh && (
<button
type="button"
className={styles.refreshButton}
onClick={onRefresh}
aria-label="Refresh streams"
data-testid="coordination-refresh"
>
<RefreshCw size={ICON_SM} aria-hidden="true" />
</button>
)}
</div>
)}
</div>
{loading && streams.length === 0 && <div className={styles.state}>Loading{"…"}</div>}
{!loading && loadError && (
<div className={styles.state} data-testid="coordination-error">
Unable to load streams
</div>
)}
{!loading && !loadError && loadedOnce && streams.length === 0 && (
<div className={styles.state} data-testid="coordination-empty">
No active streams
</div>
)}
{groups.map((group) => (
<div key={group.taskId ?? "__orphans__"} className={styles.group}>
<div className={styles.groupHeader}>
{group.taskId ? taskTitle(group.taskId) : "Unattached / external (CLI · MCP)"}
</div>
{group.streams.map((stream) => {
const kind = streamKind(stream);
const isSelected = stream.id === selectedStreamId;
return (
<button
key={stream.id}
type="button"
className={`${styles.row}${isSelected ? ` ${styles.selected}` : ""}`}
onClick={() => onSelectStream(stream.id)}
data-testid={`coordination-row-${stream.id}`}
aria-current={isSelected ? "page" : undefined}
>
<span className={`${styles.kindBadge} ${kindClass[kind]}`}>
<KindIcon kind={kind} /> {KIND_LABEL[kind]}
</span>
<span className={styles.streamName}>{stream.name}</span>
<span className={styles.meta}>
{stream.subscriberCount} {stream.subscriberCount === 1 ? "sub" : "subs"} {"·"}{" "}
{stream.messageBufferDepth} buffered
</span>
</button>
);
})}
</div>
))}
</div>
);
}
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