Include slot claimers in the Going list

The Going section now shows both RSVPs and people who claimed slots,
deduplicated by name (case-insensitive). Claim-only people don't get a
remove button—they unclaim from the slot card instead.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

handlers.go

@@ -121,10 +121,17 @@ type SlotView struct {
 	Pct        int64
 }
 
+type GoingPerson struct {
+	Name   string
+	Note   string
+	RsvpID int64
+}
+
 type EventPageData struct {
 	Event           db.Event
 	Slots           []SlotView
 	Rsvps           []db.Rsvp
+	GoingList       []GoingPerson
 	TotalGoing      int64
 	IsAdmin         bool
 	BaseURL         string
@@ -180,6 +187,20 @@ func (s *Server) loadEventPage(r *http.Request, slug string, isAdmin bool) (*Eve
 	}
 	totalGoing += int64(len(rsvps))
 
+	// Build deduplicated GoingList: RSVPs first, then claim-only people
+	var goingList []GoingPerson
+	seen := make(map[string]bool)
+	for _, r := range rsvps {
+		goingList = append(goingList, GoingPerson{Name: r.Name, Note: r.Note, RsvpID: r.ID})
+		seen[strings.ToLower(r.Name)] = true
+	}
+	for _, c := range claims {
+		if !seen[strings.ToLower(c.Name)] {
+			goingList = append(goingList, GoingPerson{Name: c.Name})
+			seen[strings.ToLower(c.Name)] = true
+		}
+	}
+
 	var descHTML template.HTML
 	if event.Description != "" {
 		descHTML = RenderMarkdown(event.Description)
@@ -189,6 +210,7 @@ func (s *Server) loadEventPage(r *http.Request, slug string, isAdmin bool) (*Eve
 		Event:           event,
 		Slots:           slotViews,
 		Rsvps:           rsvps,
+		GoingList:       goingList,
 		TotalGoing:      totalGoing,
 		IsAdmin:         isAdmin,
 		BaseURL:         s.baseURL,