Revert "SaaS fixes (#6578)"

This reverts commit ddf78d11ae.

frontend/shared/components/NavItem.tsx

@@ -1,8 +1,6 @@
 import type { ReactNode } from "react";
 import "@shared/components/NavItem.css";
 
-export type NavItemAccent = "blue" | "purple" | "green" | "amber" | "red";
-
 export interface NavItemProps {
   /** Stable view id passed to the click handler. */
   id: string;
@@ -10,11 +8,6 @@ export interface NavItemProps {
   icon?: ReactNode;
   /** Show the active highlight (navActive background, navActiveText colour). */
   isActive?: boolean;
-  /**
-   * Optional status accent: draws a left edge bar in the tone colour and tints
-   * the leading icon to match. For listing live/paused/etc. entities.
-   */
-  accent?: NavItemAccent;
   /** Optional trailing badge (e.g. unread count, "new"). */
   trailing?: ReactNode;
   onClick?: (id: string) => void;
@@ -26,14 +19,13 @@ export interface NavItemProps {
  *
  * Active styling: navActive background, navActiveText colour, weight 500.
  * Hover styling: navHover background, navHoverText colour (only when not
- * already active). An optional `accent` adds a status edge bar + icon tint.
+ * already active).
  */
 export function NavItem({
   id,
   label,
   icon,
   isActive,
-  accent,
   trailing,
   onClick,
   className,
@@ -42,15 +34,9 @@ export function NavItem({
     <button
       type="button"
       onClick={() => onClick?.(id)}
-      className={[
-        "sui-navitem",
-        isActive ? "is-active" : "",
-        accent ? "sui-navitem--accent" : "",
-        className ?? "",
-      ]
+      className={["sui-navitem", isActive ? "is-active" : "", className ?? ""]
         .filter(Boolean)
         .join(" ")}
-      data-accent={accent}
       aria-current={isActive ? "page" : undefined}
     >
       {icon && (