fix(loyalty): add all 27 remaining missing i18n keys

Comprehensive audit found 618 total translation references across all
templates and JS files. Added 27 missing keys to all 4 locale files:
- store.terminal: card_label, confirm, pin_authorize_text, free_item,
  reward_label, search_empty_state
- store.card_detail: card_label
- store.enroll: bonus_points, card_number_label, points
- store.settings: access_restricted_desc, delete_program_* (3 keys)
- common: setup_program, unknown
- errors: card_not_found
- shared.pins: save_changes, unlock
- toasts: pin_created/updated/deleted/unlocked + error variants (8 keys)

All 618 keys now resolve. 778 total keys per locale file.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/modules/loyalty/locales/lb.json

@@ -169,7 +169,9 @@
     "total": "TOTAL",
     "view": "Kucken",
     "yes": "Jo",
-    "contact_admin_setup": "Kontaktéiert Ären Administrator fir d'Treieprogramm anzeriichten"
+    "contact_admin_setup": "Kontaktéiert Ären Administrator fir d'Treieprogramm anzeriichten",
+    "setup_program": "Programm ariichten",
+    "unknown": "Onbekannt"
   },
   "transactions": {
     "card_created": "Ageschriwwen",
@@ -354,7 +356,9 @@
       "pin_unlocked": "PIN erfollegräich entspäert",
       "save": "Späicheren",
       "cancel": "Ofbriechen",
-      "read_only_notice": "PINen sinn an der Admin-Usiicht nëmmen ze liesen"
+      "read_only_notice": "PINen sinn an der Admin-Usiicht nëmmen ze liesen",
+      "save_changes": "Späicheren",
+      "unlock": "Entspären"
     },
     "program_form": {
       "program_type": "Programmtyp",
@@ -694,7 +698,13 @@
       "stamp_added": "Stempel derbäigesat!",
       "stamps_redeemed": "Stempelen agelées! Belounung kritt.",
       "x_points_awarded": "{points} Punkten vergi!",
-      "reward_redeemed": "Belounung agelées: {name}"
+      "reward_redeemed": "Belounung agelées: {name}",
+      "card_label": "Kaart",
+      "confirm": "Bestätegen",
+      "pin_authorize_text": "Gitt Ären Mataarbechter-PIN an fir dës Transaktioun ze autorisieren",
+      "free_item": "Gratis Artikel",
+      "reward_label": "Belounung",
+      "search_empty_state": "Sicht e Client fir unzefänken"
     },
     "cards": {
       "title": "Treie-Memberen",
@@ -742,7 +752,8 @@
       "col_points": "Punkten",
       "col_location": "Standuert",
       "col_notes": "Notizen",
-      "no_transactions": "Nach keng Transaktiounen"
+      "no_transactions": "Nach keng Transaktiounen",
+      "card_label": "Kaart"
     },
     "enroll": {
       "title": "Client umellen",
@@ -769,7 +780,10 @@
       "x_points": "{count} Punkten",
       "back_to_terminal": "Zréck zum Terminal",
       "enroll_another": "Weider umellen",
-      "enrollment_failed": "Umeldung feelgeschloen: {message}"
+      "enrollment_failed": "Umeldung feelgeschloen: {message}",
+      "bonus_points": "Bonuspunkten",
+      "card_number_label": "Kaartennummer",
+      "points": "Punkten"
     },
     "analytics": {
       "title": "Treie-Analytik",
@@ -814,7 +828,11 @@
       "program_updated": "Programm erfollegräich aktualiséiert",
       "program_deleted": "Treieprogramm geläscht",
       "save_failed": "Späichere feelgeschloen: {message}",
-      "delete_failed": "Läsche feelgeschloen: {message}"
+      "delete_failed": "Läsche feelgeschloen: {message}",
+      "access_restricted_desc": "Nëmmen den Besëtzer kann d'Astellungen änneren",
+      "delete_program_confirm": "Läschen",
+      "delete_program_desc": "Dëst läscht d'Treieprogramm an all verbonnen Daten permanent",
+      "delete_program_title": "Treieprogramm läschen?"
     }
   },
   "storefront": {
@@ -870,6 +888,17 @@
     "save_failed": "Späichere feelgeschloen: {message}",
     "settings_save_failed": "Astellunge konnten net gespäichert ginn: {message}",
     "create_failed": "Programm konnt net erstellt ginn: {message}",
-    "logo_required": "Logo-URL ass erfuerderlech fir d'Wallet-Integratioun."
+    "logo_required": "Logo-URL ass erfuerderlech fir d'Wallet-Integratioun.",
+    "pin_created": "PIN erfollegräich erstallt",
+    "pin_updated": "PIN erfollegräich aktualiséiert",
+    "pin_deleted": "PIN erfollegräich geläscht",
+    "pin_unlocked": "PIN erfollegräich entspäert",
+    "pin_create_error": "PIN konnt net erstallt ginn",
+    "pin_update_error": "PIN konnt net aktualiséiert ginn",
+    "pin_delete_error": "PIN konnt net geläscht ginn",
+    "pin_unlock_error": "PIN konnt net entspäert ginn"
+  },
+  "errors": {
+    "card_not_found": "Kaart net fonnt"
   }
 }