Put the media seed behind MEDIA_SEED_ENABLED so a partner filled by other means never starts a multi-week transfer

Tier 2 beside the per-orchestrator gates. Unset reads as on — the toggle postdates the seed.

Partnership/partnership_onboard.sh

@@ -1089,8 +1089,20 @@ _seed_job="Rsync/media_seed.sh"
 _seed_script="$SCRIPTS_ROOT/Rsync/media_seed.sh"
 _runner="$SCRIPTS_ROOT/Plugin/$PLATFORM/run_job.sh"
 
+# Read from disk, not from the sourced value: Step 9c rewrote master.conf a few steps ago.
+# Unset reads as on — the toggle postdates the seed, so a conf that has not been through a
+# conf_upgrade must keep the behaviour it had. media_seed.sh checks this again itself; the
+# check here exists so the summary can say "disabled" instead of dispatching a job whose only
+# act is to exit.
+_seed_gate=$(grep -m1 -E '^[[:space:]]*MEDIA_SEED_ENABLED=' "$SCRIPTS_ROOT/Configurations/master.conf" 2>/dev/null \
+             | cut -d= -f2- | cut -d'#' -f1 | tr -d '"'"'" | tr -d '[:space:]')
+
 if [[ "$SKIP_MEDIA_SEED" == true ]]; then
     warn "Skipping (--skip-media-seed)"
+elif [[ -n "$_seed_gate" && "$_seed_gate" != "true" ]]; then
+    warn "MEDIA_SEED_ENABLED is '$_seed_gate' — not dispatching the seed"
+    warn "$MIRROR will need its library filled another way, or arm the toggle and start it"
+    warn "from the Partnership tab"
 elif [[ "$ONBOARD_OK" == false ]]; then
     warn "Skipping — onboard did not complete"
 elif [[ "$DRY_RUN" == true ]]; then
@@ -1158,8 +1170,9 @@ echo "  Step 10 — Conf push:        $( [[ "$ONBOARD_OK" == false ]] && echo "s
 echo "  Step 11 — Discovery:        $( [[ "$POPULATE_OK" == skipped ]] && echo "skipped (unreachable)" || _ok "$POPULATE_OK" )"
 echo "  Step 12 — Grouping:         $( [[ "$FOLDER_OK" == skipped ]] && echo "skipped" || _ok "$FOLDER_OK" )"
 echo "  Step 13 — Media seed:       $( [[ "$SKIP_MEDIA_SEED" == true ]] && echo "skipped" \
+    || { [[ -n "${_seed_gate:-}" && "${_seed_gate:-}" != "true" ]] && echo "off (MEDIA_SEED_ENABLED=$_seed_gate)" \
     || { [[ "$MEDIA_SEED_DISPATCHED" == true ]] && echo "dispatched — runs in background ✅" \
-    || echo "not dispatched ❌"; } )"
+    || echo "not dispatched ❌"; }; } )"
 echo ""
 
 if [[ "$ONBOARD_OK" == true ]]; then