Filter actioned messages from listing by default, add ?all=true override

main.go

@@ -302,17 +302,22 @@ func handleMessages(w http.ResponseWriter, r *http.Request) {
 
 	// Filter by source if specified
 	sourceFilter := r.URL.Query().Get("source")
-	if sourceFilter != "" {
+	showAll := r.URL.Query().Get("all") == "true"
+
 	var filtered []UnifiedMessage
 	for _, msg := range messages {
-			if msg.Source == sourceFilter {
+		if sourceFilter != "" && msg.Source != sourceFilter {
+			continue
+		}
+		// By default, exclude actioned messages (archived/deleted/etc.)
+		// Use ?all=true to include everything
+		if !showAll && orch.HasAction(msg.ID) {
+			continue
+		}
 		filtered = append(filtered, msg)
 	}
-		}
-		messages = filtered
-	}
 
-	json.NewEncoder(w).Encode(messages)
+	json.NewEncoder(w).Encode(filtered)
 }
 
 func handleMessagesNew(w http.ResponseWriter, r *http.Request) {