Close every orchestrator the same way, and make skipped work a visible outcome

A gated-off section left nothing failed, so the weekly could run for hours and report "all
complete" beside "0 shares synced"; skipped is now derived from what was expected rather than
self-reported, and the verdict degrades to PARTIAL instead of flattering.

Orchestrators/monthly_maintenance.sh

@@ -307,18 +307,8 @@ echo "$ICON_TIME    Duration: $(format_duration $(( END - START )))"
 [[ ${#JOB_FAIL[@]} -gt 0 ]] && echo "$ICON_ERROR   Failed:   ${JOB_FAIL[*]}"
 echo ""
 
-if [[ "$DRY_RUN" == true ]]; then
-    warn "DRY RUN — no changes made"
-elif [[ ${#JOB_FAIL[@]} -eq 0 ]]; then
-    echo "$ICON_DONE Status: all $STEP step(s) complete ✅"
-    notify "Monthly maintenance complete on $(hostname) ($MY_ID) — $STEP step(s) done" \
-        "Monthly Maintenance" "normal"
-else
-    warn "Status: ${#JOB_FAIL[@]} step(s) failed — ${JOB_FAIL[*]}"
-    notify "Monthly maintenance on $(hostname) ($MY_ID) — ${#JOB_FAIL[@]} step(s) failed: ${JOB_FAIL[*]}" \
-        "Monthly Maintenance" "warning"
-fi
-echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
-
-[[ ${#JOB_FAIL[@]} -gt 0 ]] && exit 1
-exit 0
+# STEP is what this orchestrator expected to run, so it is the denominator that makes a skipped
+# step visible rather than absent.
+JOB_COUNT="$STEP"
+orchestrator_summary "MONTHLY MAINTENANCE" "$START" "Monthly Maintenance"
+exit $?