feat(settlement, admin): introduce new types and functions for downline share and settlement period hints

Added new types for downline share breakdown and settlement period open hints to enhance the agent settlement API. Updated the admin console components to support these new features, improving the user experience with better data presentation and interaction. Additionally, refined the date range field to accommodate new calendar markers and hints, ensuring a more intuitive interface for managing settlement periods.

src/i18n/locales/en/agents.json

@@ -164,6 +164,13 @@
     "presetThisWeek": "This week",
     "presetLastWeek": "Last week",
     "presetThisMonth": "This month",
+    "openHint": "Local dates ({{tz}})",
+    "startDate": "Start date",
+    "endDate": "End date",
+    "open": "Open period",
+    "openFailed": "Failed to open period",
+    "datesRequired": "Enter start and end dates",
+    "invalidRange": "End date cannot be before start date",
     "statusOpen": "Open",
     "statusClosed": "Closed"
   },