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swarm-ui: read-only agent terminal page consuming the swarm term stream

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Moves the TermMsg rendering pipeline (Row.tsx, termMsg.ts, linkify.tsx,
markdown.ts) from @hive/agent into @hive/shared, so swarm-ui becomes a
second consumer of it instead of forking a copy -- CSS was already
shared (@hive/shared/terminal.css). marked+dompurify move from
@hive/agent's deps to @hive/shared's; swarm-ui picks them up
transitively, no new direct dep there.

New swarm-ui route /agents/:name/term (AgentTermPage), linked from
AgentsPage's detail panel via a "terminal" badge next to "link matrix
account". Consumes GET /api/agents/{name}/term/stream: unlike
@hive/agent's own useLiveStream (TermEnvelope-wrapped, history/backfill
dance), the swarm relay forwards one bare TermMsg per SSE event with no
envelope and no history endpoint -- useSwarmTermStream is a much
smaller hook for that shape (EventSource -> parse -> coalesce, nothing
to buffer/dedupe/backfill against).

Verified against a live SSE mock (screenshots in /agents/iris/state/screenshots/
3801-agents-detail-panel-terminal-badge.png and
3801-agent-term-page-live-rows.png -- real rows rendering through the
shared Row component, not just a build/typecheck pass).
This commit is contained in:
iris 2026-09-13 18:28:50 +02:00 • committed by mara
commit 593923375c
15 changed files with 232 additions and 22 deletions
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41
frontend/packages/agent/src/lib/linkify.tsx
View file

@ -1,41 +0,0 @@
// Auto-linkify bare http(s) URLs in plain (non-markdown) row text —
// Preact-node port of @hive/shared/terminal.js's `linkify` (text-node
// output there, JSX fragment here). Same regex + trailing-punctuation
// strip; deliberately text-only, never innerHTML, so untrusted row text
// (matrix-relayed bodies, tool args) can't inject markup this way.
import type { JSX } from "preact";
const LINKIFY_URL_RE = /https?:\/\/[^\s<>"']+/g;
export function linkifyToNodes(
text: string | null | undefined,
): (string | JSX.Element)[] {
const str = text == null ? "" : String(text);
if (str.indexOf("://") === -1) return [str];
const out: (string | JSX.Element)[] = [];
let last = 0;
let m: RegExpExecArray | null;
let key = 0;
LINKIFY_URL_RE.lastIndex = 0;
while ((m = LINKIFY_URL_RE.exec(str)) !== null) {
let url = m[0];
const trail = url.match(/[.,;:!?)\]}'"]+$/);
const tail = trail ? trail[0] : "";
if (tail) url = url.slice(0, -tail.length);
if (m.index > last) out.push(str.slice(last, m.index));
if (!url.slice(url.indexOf("://") + 3)) {
// Nothing past the scheme — not a real URL, emit verbatim.
out.push(m[0]);
} else {
out.push(
<a key={key++} href={url} target="_blank" rel="noopener noreferrer">
{url}
</a>,
);
if (tail) out.push(tail);
}
last = m.index + m[0].length;
}
if (last < str.length) out.push(str.slice(last));
return out;
}