Commands for everything a dashboard can do

- /music skip, pause, resume, stop, repeat, remove, move (DJ role)
- /config view, clear, toggletwitch, streamers, beta-features (server owner)
- /slvl status, remove-reward; /moderation bans, timeouts; /security history
- /beta is now the bot owner's DM-only command: set, off, servers, remove-server, status
- betasettings service and repo methods, with integration tests

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>

internal/security/fakes_test.go

@@ -307,6 +307,17 @@ func (f *fakeStore) AddEvent(_ context.Context, e securityrepo.Event) error {
 	f.events = append(f.events, e)
 	return nil
 }
+func (f *fakeStore) ListEvents(_ context.Context, g int64, limit int) ([]securityrepo.Event, error) {
+	f.mu.Lock()
+	defer f.mu.Unlock()
+	var out []securityrepo.Event
+	for k := len(f.events) - 1; k >= 0 && len(out) < limit; k-- {
+		if f.events[k].GuildID == g {
+			out = append(out, f.events[k])
+		}
+	}
+	return out, nil
+}
 func (f *fakeStore) eventKinds() []string {
 	f.mu.Lock()
 	defer f.mu.Unlock()