Orchestrators echo/log audit pass

Status conclusions, clean-cycle summaries, skipped-feature lines, and phase
completion results → echo across all nine orchestrator scripts. Per-share,
per-job, and per-script detail lines inside loops remain log. README-Orchestrators:
added Output Tiers section.

Orchestrators/watchdog_orchestrator.sh

@@ -87,7 +87,7 @@ if [[ "$SHOW_STATUS" == true ]]; then
     if [[ "$UPTIME_S" -lt "$WATCHDOG_STARTUP_GRACE" ]]; then
         warn "Within startup grace — $(format_duration $UPTIME_S) / $(format_duration $WATCHDOG_STARTUP_GRACE)"
     else
-        log "Past startup grace — $(format_duration $UPTIME_S) uptime"
+        echo "Past startup grace — $(format_duration $UPTIME_S) uptime"
     fi
 
     echo ""