dashboard: the SW4RM tab is the agents tab

The swarm lives in the swarm UI; this tab lists the hive's agents. The tab
is 4G3NTS at #agents, its pane and count pill follow, and the module that
renders the containers is agents.js. Comments and docs that named SW4RM or
swarm.js follow.

frontend/packages/shared/src/hive-menu/hive-menu.js

@@ -21,7 +21,7 @@
 // widening from the old per-agent-menu-only coordination) so
 // `closeAll()` can close each via its own `.close()`. `closeAllMenus()`
 // force-closes everything before tearing down DOM one might anchor off
-// of (e.g. swarm.js before replacing the container tree).
+// of (e.g. agents.js before replacing the container tree).
 //
 // The document-level listeners below, registered once: shadow-DOM
 // retargeting means `e.target` for a click inside a shadow tree gets
@@ -58,7 +58,7 @@ document.addEventListener(
   true,
 );
 // Close on Escape. stopImmediatePropagation so a caller's own
-// selection-clear Escape handler (e.g. swarm.js's) doesn't also fire
+// selection-clear Escape handler (e.g. agents.js's) doesn't also fire
 // while a menu is open.
 document.addEventListener(
   "keydown",
@@ -76,7 +76,7 @@ class HiveMenu extends HTMLElement {
     // A custom element's connectedCallback fires again on a same-document
     // *move* (insertBefore/append repositioning an already-connected node
     // runs the removal + insertion steps for its whole subtree), not just
-    // on a fresh mount — swarm.js's row-fingerprint cache reuses/reorders
+    // on a fresh mount — agents.js's row-fingerprint cache reuses/reorders
     // existing <li> subtrees, which can move an already-initialised
     // <hive-menu> without ever detaching it from the document. Guard
     // against re-running setup (attachShadow throws if the host already