swarm-ui: give every tab the wide body

The shell had two body widths, a 60em readable column and a 90em wide body
that a short list of table routes opted into. Every route now gets the
90em body, and the opt-in route list, its modifier class and its test go
away.

frontend/packages/swarm-ui/src/shell/Shell.css

@@ -229,8 +229,10 @@
   background: color-mix(in srgb, var(--fg) 10%, transparent);
 }
 
+/* One width for every tab's contents: 90em still centers with visible margins
+   on a typical desktop viewport; it isn't full-bleed. */
 .shell-body {
-  max-width: 60em;
+  max-width: 90em;
   margin: 0 auto;
   padding: 1.5em 1.25em;
   /* Plain fade, deliberately — mara's call on review: a scale+overshoot
@@ -239,15 +241,6 @@
      having shipped something to walk back first. */
   animation: shell-page-enter 160ms ease;
 }
-/* Opt-in widening for a route that genuinely needs more than a
-   readable-line-length column (see Shell.tsx's `WIDE_BODY_ROUTES`).
-   Only overrides `max-width` — margin/padding/animation stay
-   `.shell-body`'s, so this reads as "the same body, just wider" rather
-   than a parallel layout to keep in sync. 90em still centers with
-   visible margins on a typical desktop viewport; it isn't full-bleed. */
-.shell-body-wide {
-  max-width: 90em;
-}
 /* Full-bleed route (the agent terminal): the shell becomes a viewport-high
    column, the header keeps its natural height, and the body takes every
    remaining pixel with no width cap or padding. `100dvh`, not `100vh` —

frontend/packages/swarm-ui/src/shell/Shell.tsx

@@ -35,7 +35,7 @@ import { SettingsMenu } from "@hive/shared/settings-menu.js";
 import { HideDebugSetting } from "@hive/shared/hide-debug-setting.js";
 import { useApplyThemeOverride } from "@hive/shared/theme-apply.js";
 import { useApplyMotionOverride } from "@hive/shared/motion-apply.js";
-import { isFullBleedRoute, isWideBodyRoute } from "./routes.js";
+import { isFullBleedRoute } from "./routes.js";
 import { useDynamicTabs } from "./useDynamicTabs.js";
 import { useSwarmName } from "./useSwarmName.js";
 import "./Shell.css";
@@ -136,8 +136,7 @@ function NavLink({
 // One open agent-terminal tab (`useDynamicTabs`) — deliberately
 // its own small component, not folded into `NavLink` above: dynamic tabs
 // don't ride the sliding `.shell-nav-indicator` (there's no fixed set to
-// hop between — see `WIDE_BODY_ROUTE_PATTERN`'s own comment on why they
-// can't share `NAV_ITEMS`'s Set-based route list either), so "active"
+// hop between, so they can't share `NAV_ITEMS`'s fixed route list either), so "active"
 // here is a plain class toggle, not a measured position. The close ×
 // is a real sibling button, not nested inside the `<Link>` — a button
 // inside an `<a>` is invalid HTML and (worse) means a click anywhere on
@@ -418,15 +417,10 @@ export function Shell({ children }: { children: ComponentChildren }) {
         </div>
       </header>
       {/* Keyed by route so it remounts (and replays its entrance
-          animation) on every navigation — see the file-top comment.
-          `shell-body-wide` is additive (see `WIDE_BODY_ROUTES` above),
-          not a swap — `.shell-body`'s padding/animation rules still
-          apply, only the max-width cap changes. */}
+          animation) on every navigation — see the file-top comment. */}
       <div
         class={
-          "shell-body" +
-          (isWideBodyRoute(location) ? " shell-body-wide" : "") +
-          (isFullBleedRoute(location) ? " shell-body-full" : "")
+          "shell-body" + (isFullBleedRoute(location) ? " shell-body-full" : "")
         }
         key={location}
       >

frontend/packages/swarm-ui/src/shell/routes.ts

@@ -1,21 +1,12 @@
-// Which layout a route gets inside the shell: the readable-width cap, the
-// wide body, or full-bleed. Kept apart from `Shell.tsx` so it is plain
-// functions of a path, with no DOM or CSS behind it, and can be tested.
-
-// Routes that opt out of `.shell-body`'s 60em readable-line-length cap
-// — mara screenshotted the issue report's 8-column table getting
-// clipped; that width is deliberate for the rest of the UI's cards/
-// forms, but too narrow for a wide table. `.shell-body-wide` (Shell.css) is a
-// modifier alongside the base class, not a replacement, so every other
-// route's layout is untouched. `/agents` joined for the same reason —
-// its own table view (plus the list+detail split) hits the same cap.
-const WIDE_BODY_ROUTES = new Set(["/issues", "/agents", "/review"]);
+// Which routes are full-bleed inside the shell; every other route gets the
+// same centred body. Kept apart from `Shell.tsx` so it is a plain function of
+// a path, with no DOM or CSS behind it, and can be tested.
 
 // `/agents/:name/terminal` (and a subagent's, under
 // `/agents/:name/subagents/:subagent/`) is full-bleed: the terminal fills
 // the whole viewport below the header bar, edge to edge (`shell-full` /
-// `shell-body-full` in Shell.css). It can't join the `Set` above — it's a
-// parameterized path, one literal string can't match every agent name.
+// `shell-body-full` in Shell.css). It's a parameterized path, so one literal
+// string can't match every agent name.
 const FULL_BLEED_ROUTE_PATTERN =
   /^\/agents\/[^/]+(\/subagents\/[^/]+)?\/terminal$/;
 
@@ -24,7 +15,3 @@ const FULL_BLEED_ROUTE_PATTERN =
 export function isFullBleedRoute(location: string): boolean {
   return location === "/" || FULL_BLEED_ROUTE_PATTERN.test(location);
 }
-
-export function isWideBodyRoute(location: string): boolean {
-  return WIDE_BODY_ROUTES.has(location);
-}

frontend/packages/swarm-ui/test/routes.test.mjs

@@ -1,8 +1,7 @@
-// The shell's per-route layout: which paths are full-bleed, which get the
-// wide body. Run by `npm test`.
+// The shell's per-route layout: which paths are full-bleed. Run by `npm test`.
 import assert from "node:assert/strict";
 import { test } from "node:test";
-import { isFullBleedRoute, isWideBodyRoute } from "../src/shell/routes.ts";
+import { isFullBleedRoute } from "../src/shell/routes.ts";
 
 test("the start page is full-bleed", () => {
   assert.equal(isFullBleedRoute("/"), true);
@@ -10,7 +9,6 @@ test("the start page is full-bleed", () => {
 
 test("the hive directory moved off / and is not full-bleed", () => {
   assert.equal(isFullBleedRoute("/hives"), false);
-  assert.equal(isWideBodyRoute("/hives"), false);
 });
 
 test("an agent's terminal and a subagent's are full-bleed", () => {
@@ -31,12 +29,3 @@ test("a terminal path with extra segments is not full-bleed", () => {
   assert.equal(isFullBleedRoute("/agents/iris/terminal/extra"), false);
   assert.equal(isFullBleedRoute("/agents//terminal"), false);
 });
-
-test("the wide-body routes are exactly the table pages", () => {
-  for (const path of ["/issues", "/agents", "/review"]) {
-    assert.equal(isWideBodyRoute(path), true, path);
-  }
-  for (const path of ["/", "/jobs", "/schedules", "/components"]) {
-    assert.equal(isWideBodyRoute(path), false, path);
-  }
-});