fix(epg): add retry functionality for failed EPG fetches and enhance UI for error handling

Entire-Checkpoint: c6e522b4276c

apps/web/src/assets/i18n/el.json

@@ -269,7 +269,8 @@
         "QUEUED": "Σε ουρά",
         "TOTAL_CHANNELS": "Σύνολο καναλιών",
         "TOTAL_PROGRAMS": "Σύνολο προγραμμάτων",
-        "UP_TO_DATE": "Το EPG είναι ενημερωμένο, δεν απαιτείται συγχρονισμός"
+        "UP_TO_DATE": "Το EPG είναι ενημερωμένο, δεν απαιτείται συγχρονισμός",
+        "RETRY": "Επανάληψη"
     },
     "LANGUAGES": {
         "ARABIC": "العربية",

apps/web/src/assets/i18n/en.json

@@ -382,7 +382,8 @@
         "QUEUED": "Queued",
         "TOTAL_CHANNELS": "Total channels",
         "TOTAL_PROGRAMS": "Total programs",
-        "UP_TO_DATE": "EPG is up-to-date, no sync needed"
+        "UP_TO_DATE": "EPG is up-to-date, no sync needed",
+        "RETRY": "Retry"
     },
     "LANGUAGES": {
         "ARABIC": "العربية",

apps/web/src/assets/i18n/tr.json

@@ -277,7 +277,8 @@
         "QUEUED": "Sırada",
         "TOTAL_CHANNELS": "Toplam kanal",
         "TOTAL_PROGRAMS": "Toplam program",
-        "UP_TO_DATE": "EPG güncel, senkronizasyona gerek yok"
+        "UP_TO_DATE": "EPG güncel, senkronizasyona gerek yok",
+        "RETRY": "Tekrar Dene"
     },
     "LANGUAGES": {
         "ARABIC": "العربية",