fix(waybar,menu): #51 doctor indicator glyph + CC rebuild hints + scroll

Doctor Waybar indicator now emits a non-empty glyph (󰒡) + class:bad when
unhealthy (was "text":"" → self-hidden, so the tripwire never showed);
Control Center appearance toggles (blur/gaps) print "(requires rebuild)"
matching the other CC toggles; summer-day workspace scroll e±1 → r±1 to
match every other bar.

Worktree agent; diff reviewed + cherry-picked. V0 flake check + V1
(HM generation, nomarchy-control-center build). V2 render folded into #44.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

pkgs/nomarchy-control-center/nomarchy-control-center.sh

@@ -110,11 +110,15 @@ function appearance_menu() {
                 else
                     set_state "ui.blur" "true"
                 fi
+                echo "Blur setting saved (requires rebuild)."
+                sleep 1
                 ;;
             "Set Gaps")
                 gaps=$(gum input --prompt "Enter gaps in pixels: " --placeholder "$(get_state ui.gapsOut)")
                 if [ -n "$gaps" ]; then
                     set_state "ui.gapsOut" "$gaps"
+                    echo "Gaps set to $gaps (requires rebuild)."
+                    sleep 1
                 fi
                 ;;
             "Back"|*) break ;;