swarm ui: the agent card has a terminal icon beside the wanted menu

It opens the agent's terminal tab without opening the card.

docs/swarm/ui.md

@@ -56,8 +56,9 @@ works too.
 ### The agents page
 
 `/agents` is the hives card, then one column of cards, one per agent. A card's
-header shows its icon, name, freshness, the status message and the **wanted**
-menu (up, offline, paused, destroy), and a **login needed** badge with a
+header shows its icon, name, freshness, the status message, a **terminal**
+button that opens the agent's terminal tab, the **wanted** menu (up, offline,
+paused, destroy), and a **login needed** badge with a
 **log in** button when its claude has no session. Select the header to open the
 card in place; select it again to close it. Several cards can be open at once,
 and a card stays open across the page's refresh, but not across a reload. The

frontend/packages/shared/src/icons.tsx

@@ -105,3 +105,24 @@ export function FilterIcon() {
     </svg>
   );
 }
+
+// A prompt in a window (`>_`), the standard "terminal" glyph — the agent
+// card's shortcut to the agent's terminal tab. Same recipe as `LinkIcon`.
+export function TerminalIcon() {
+  return (
+    <svg
+      width="1.3em"
+      height="1.3em"
+      viewBox="0 0 24 24"
+      fill="none"
+      stroke="currentColor"
+      stroke-width="2"
+      stroke-linecap="round"
+      stroke-linejoin="round"
+      aria-hidden="true"
+    >
+      <polyline points="4 17 10 11 4 5" />
+      <line x1="12" y1="19" x2="20" y2="19" />
+    </svg>
+  );
+}

frontend/packages/swarm-ui/src/agent/roster/AgentCard.tsx

@@ -6,17 +6,23 @@
 // shows the agent's status, message and wanted state, so the opened body is the
 // rest: `AgentDetail`'s folded sections (`inCard`).
 //
+// The terminal badge beside the wanted menu opens the agent's terminal tab, the
+// most common action, without opening the card.
+//
 // The `stopPropagation` wrappers around the login and `WantedMenu` controls
 // keep their own clicks (mouse or keyboard-synthesized, they host real
 // `<button>`s) from also toggling the card. The wanted menu carries the destroy
 // option here, since no detail row repeats it any more.
 import { useState } from "preact/hooks";
 import { Badge } from "@hive/shared/badge.js";
+import { TerminalIcon } from "@hive/shared/icons.js";
 import { Card } from "../../ui/card/Card.js";
 import { RelativeTime } from "../../ui/relative-time/RelativeTime.js";
+import { useDynamicTabs } from "../../shell/useDynamicTabs.js";
 import { AgentIcon } from "../AgentIcon.js";
 import { ClaudeLoginDialog } from "../claude-login/ClaudeLoginDialog.js";
 import { AgentDetail } from "../detail/AgentDetail.js";
+import { termPaths } from "../terminal/AgentTermPreview.js";
 import { FRESHNESS, showsLoginNeeded, type AgentRow } from "../AgentTypes.js";
 import type { AgentActions } from "./AgentActions.js";
 import { WantedMenu } from "./WantedMenu.js";
@@ -34,6 +40,8 @@ export function AgentCard({
   const [open, setOpen] = useState(false);
   const error = actions.actionErrors.get(row.name);
   const toggle = () => setOpen((was) => !was);
+  const { open: openTab } = useDynamicTabs();
+  const term = termPaths(row.name);
   return (
     <Card>
       <div
@@ -101,6 +109,12 @@ export function AgentCard({
               class="ui-agent-card-wanted"
               onClick={(e) => e.stopPropagation()}
             >
+              <Badge
+                variant="quiet"
+                value={<TerminalIcon />}
+                title={`open ${row.name}'s terminal in its own tab`}
+                onClick={() => openTab({ href: term.page, label: term.label })}
+              />
               <WantedMenu
                 row={row}
                 pending={actions.pendingAgents.has(row.name)}