feat: ШАГ 4 — UI для browser events в TodayScreen

Go bindings:
- bindings_browser.go: ListBrowserEvents, CountPendingBrowserEvents,
  AcceptBrowserEvent, DismissBrowserEvent, AttachBrowserEventToNode

Frontend:
- BrowserEvents.svelte — компонент списка событий с действиями
  (принять/прикрепить/удалить), статусы, домены, длительность
- TodayScreen.svelte — новая вкладка «Браузер» с badge
- App.svelte — loadBrowserEvents, acceptBrowserEvent,
  dismissBrowserEvent, attachBrowserEvent handlers

cmd/verstak-gui/bindings_browser.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"log"
+
+	"verstak/internal/core/browser"
+)
+
+// ListBrowserEvents returns staged browser events, optionally filtered by status.
+func (a *App) ListBrowserEvents(status string, limit, offset int) ([]browser.Event, error) {
+	if status == "" || status == "all" {
+		return a.browser.ListAll(limit, offset)
+	}
+	if status == "pending" {
+		return a.browser.ListPending(limit, offset)
+	}
+	return a.browser.ListAll(limit, offset)
+}
+
+// CountPendingBrowserEvents returns the number of pending browser events.
+func (a *App) CountPendingBrowserEvents() (int, error) {
+	return a.browser.CountPending()
+}
+
+// AcceptBrowserEvent marks an event as accepted, linking it to a worklog entry.
+func (a *App) AcceptBrowserEvent(eventID, worklogID string) error {
+	log.Printf("[browser] accept event %s -> worklog %s", eventID, worklogID)
+	return a.browser.Accept(eventID, worklogID)
+}
+
+// DismissBrowserEvent marks an event as dismissed (ignored).
+func (a *App) DismissBrowserEvent(eventID string) error {
+	log.Printf("[browser] dismiss event %s", eventID)
+	return a.browser.Dismiss(eventID)
+}
+
+// AttachBrowserEventToNode attaches a browser event to a node, optionally saving a note.
+func (a *App) AttachBrowserEventToNode(eventID, nodeID string) error {
+	log.Printf("[browser] attach event %s -> node %s", eventID, nodeID)
+	return a.browser.Attach(eventID, nodeID)
+}