feat(hk): explain background updates with protected content links and retry details

src/messages/pl.json

@@ -4367,8 +4367,8 @@
 				"previewHint": "These links show the current public pages. Use Preview to check unsaved content. The final article slug may receive a suffix if already in use."
 			},
 			"deliveries": {
-				"title": "Pending deliveries",
-				"scope": "Latest 100 delivery records for bulk catalog edits. The database change is already committed. Done means the export was queued or the hotel update request was sent, not that clients applied it. The jobs worker retries failures; exhausted retries can be restarted here.",
+				"title": "Background updates",
+				"scope": "Latest 100 background updates for news and bulk catalog changes. Saved content and background delivery are tracked separately. Import progress is available in Import history.",
 				"refresh": "Refresh",
 				"empty": "No delivery records.",
 				"retry": "Retry delivery",
@@ -4382,9 +4382,37 @@
 					"pending": "Waiting",
 					"running": "Delivering",
 					"done": "Delivered",
-					"failed": "Needs attention"
+					"failed": "Needs attention",
+					"unknown": "Unknown status"
 				},
-				"news": "News cache refresh"
+				"news": "News cache refresh",
+				"unknown": "Other background update",
+				"contextUnavailable": "Content details unavailable",
+				"changedOffers": "{count} catalog offers",
+				"system": "System",
+				"unknownTime": "Time unavailable",
+				"savedAlready": "The content is saved. This update runs in the background.",
+				"nextAttempt": "Next automatic attempt: {time}",
+				"attemptsExhausted": "Automatic attempts are exhausted. Retry here after checking the service.",
+				"openContent": "Open content",
+				"diagnostics": "Service diagnostics",
+				"technicalDetails": "Technical references",
+				"operationReference": "Operation: {id}",
+				"deliveryReference": "Delivery: {id}",
+				"openImports": "Import history",
+				"unavailable": "Background updates could not be loaded. Try refreshing this page.",
+				"completed": {
+					"news": "News cache refresh completed.",
+					"hotel": "The catalog update request was sent to the hotel. This does not confirm that every client has refreshed.",
+					"export": "The export request was processed. Check the Git export history for the final result; disabled export does not publish files.",
+					"unknown": "Background processing completed."
+				},
+				"issues": {
+					"news": "The news cache could not be refreshed. Check Redis and the background worker.",
+					"hotel": "The catalog update could not be delivered to the hotel. Check the emulator connection.",
+					"export": "The Git export request could not be queued. Check the export configuration and background worker.",
+					"unknown": "The background update failed. Check the service diagnostics."
+				}
 			}
 		},
 		"error": {