refactor: implement new UI/UX architecture with redesigned desktop and mobile layouts, CSS-in-CSS modularization, and updated components.

internal/api/server.go

@@ -65,6 +65,8 @@ func NewRouter(h *Handler, authService *auth.AuthService, staticDir string) http
 			r.Get("/entries/{id}", h.GetEntry)
 			r.Put("/entries/{id}/read", h.UpdateEntryRead)
 			r.Put("/entries/{id}/star", h.UpdateEntryStar)
+			r.Post("/entries/{id}/share", h.ToggleShareEntry)
+			r.Post("/entries/{id}/ai-summary", h.GenerateAISummary)
 			r.Post("/entries/mark-all-read", h.MarkAllRead)
 			r.Post("/entries/{id}/scrape", h.ScrapeEntry)
 			r.Get("/entries/{id}/variants", h.ListEntryVariants)
@@ -82,6 +84,11 @@ func NewRouter(h *Handler, authService *auth.AuthService, staticDir string) http
 			r.Put("/settings/ai", h.UpdateAISettings)
 			r.Post("/settings/ai/test", h.TestAIConnection)
 
+			// Search History
+			r.Get("/search/history", h.GetSearchHistory)
+			r.Post("/search/history", h.RecordSearch)
+			r.Delete("/search/history", h.DeleteSearchHistory)
+
 			// OPML
 			r.Post("/opml/import", h.ImportOPML)
 			r.Get("/opml/export", h.ExportOPML)