GREEN phase — extends tender-radar-api.ts with listSavedSearches/
createSavedSearch/updateSavedSearch/deleteSavedSearch (plain fetch,
credentials: include), adds SavedSearchBar with the
serializeFiltersFromSearchParams/filtersToSearchParams round-trip helpers
(URL searchParams <-> filters JSON, deliberately excluding page/tender —
navigation state, not filter state), and mounts it above FilterPanel in
page.tsx. Hardcoded German UI per phase convention.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
schalli
dd3ff9ea30