---
phase: 04-marketplace-portal-navigation
plan: 03
subsystem: ui
tags: [react, next-link, usePathname, zustand, sidebar, search]

requires:
  - phase: 04-marketplace-portal-navigation/01
    provides: marketplace-store with sidebarRefreshKey, sidebar i18n keys
provides:
  - All sidebar links migrated from raw <a> to Next.js Link (client-side nav)
  - usePathname-based active highlighting for all sidebar links
  - SidebarSearch component filtering modules and categories
  - sidebarRefreshKey subscription for live sidebar updates after activation
  - Per-module links under category groups
affects: [04-04 navigation]

tech-stack:
  added: []
  patterns: [usePathname active highlighting, Zustand cross-component refresh signal]

key-files:
  created:
    - apps/web/src/components/layout/sidebar-search.tsx
    - apps/web/src/components/layout/sidebar.test.tsx
  modified:
    - apps/web/src/components/layout/sidebar.tsx

key-decisions:
  - "All <a href> replaced with <Link> to prevent full page reloads"
  - "sidebarRefreshKey in useEffect deps — sidebar re-fetches only on explicit signal, not on navigation"
  - "Search hidden in collapsed mode per UI-SPEC"

patterns-established:
  - "isActive(href) helper: exact match for /, startsWith for all others"
  - "useMemo category filtering with search query"

requirements-completed: [MRKT-03, PRTAL-02, PRTAL-03, PRTAL-05]

duration: 8min
completed: 2026-06-23
---

# Plan 04-03: Sidebar Enhancement Summary

**Sidebar migrated to Next.js Link with usePathname active highlighting, search filtering, and marketplace-store refresh subscription — 26 tests green**

## Performance

- **Duration:** ~8 min
- **Tasks:** 2 (combined)
- **Files modified:** 3

## Accomplishments
- All sidebar links migrated from raw `<a>` to Next.js `<Link>` (zero full reloads)
- Dynamic active highlighting via usePathname for all links including per-module
- SidebarSearch filters modules/categories, shows noResults when empty
- sidebarRefreshKey subscription triggers re-fetch after marketplace activation
- Search hidden in collapsed mode

## Task Commits

1. **Task 1+2: Sidebar migration + search + refresh** - `e967ea9` (feat)

## Deviations from Plan
None.

## Next Phase Readiness
- Plan 04-04 (navigation polish) can start — all sidebar and marketplace features operational

---
*Phase: 04-marketplace-portal-navigation*
*Completed: 2026-06-23*