rename: failover → fallback throughout codebase — this system is Fallback, state is FALLBACK; preserve conventional failover comparisons

Partnership/partnership_manager.sh

@@ -582,7 +582,7 @@ derive_partner_folder_name() {
     local hostname="$1"
     local short="${hostname,,}"
     [[ "$short" == unraid-* ]] && short="${short:7}"
-    # Capitalise first char for readability: jayred365 → Jayred365-Failover
+    # Capitalise first char for readability: jayred365 → Jayred365-fallback
     echo "${short^}-Fallback"
 }
 
@@ -733,7 +733,7 @@ folderview3_remove_partner_folder() {
     return 0
 }
 
-# Gather all partner failover containers for this server (all tiers)
+# Gather all partner fallback containers for this server (all tiers)
 gather_partner_fallback_containers() {
     local out_var="$1"
     eval "${out_var}=()"
@@ -1570,7 +1570,7 @@ if (vv_write_conf_raw('master.conf', \$master)) {
         warn "DRY RUN — would write ACTIVE state and push to remote"
     fi
 
-    # FolderView3 — create partner folder with this server's failover containers for remote
+    # FolderView3 — create partner folder with this server's fallback containers for remote
     if [[ "${PARTNERSHIP_FOLDERVIEW3:-false}" == true ]]; then
         echo ""
         echo "━━━ $ICON_CONTAINERS FolderView3 Integration ━━━"