fix: desktop nav ignored feature toggles; add chatbots toggle (v0.62.0)

Feature toggles (Settings -> Features) were filtered into
visibleNavItems but the desktop horizontal nav still mapped over the
raw NAV_ITEMS list, so hiding a feature only worked on mobile. Both
nav renders now read the same filtered list.

Also adds a Chatbots toggle covering the recipe cooking-chat panel
and the recipe-list cooking assistant, wired end-to-end (schema,
migration, feature-prefs lib, API route, settings form, i18n,
openapi).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 All notable changes to Epicure are documented here. This file is mirrored in-app at `/changelog` (and in the admin dashboard) via `apps/web/lib/changelog.ts` — update both together.
 
+## 0.62.0 — 2026-07-20 23:45
+
+### Added
+- Settings → Features: new Chatbots toggle — hides both the recipe cooking-chat panel and the recipe-list cooking assistant when off.
+
+### Fixed
+- Feature toggles (Settings → Features) were only respected by the mobile hamburger menu — the desktop horizontal nav still showed every item regardless of your saved preferences. Both now read the same visibility list.
+
 ## 0.61.0 — 2026-07-20 23:15
 
 ### Added