feat(admin): add draw management features including create, update, delete, and batch delete functionalities

- Implemented API functions for creating, updating, and deleting draws.
- Enhanced the admin draws console with UI components for managing draws.
- Added internationalization support for new draw management actions and messages.

src/i18n/locales/en/common.json

@@ -80,6 +80,9 @@
     "exportDone": "Exported",
     "exportFailed": "Export failed"
   },
+  "datetime": {
+    "optionalHint": "Leave empty to auto-fill from server config"
+  },
   "date": {
     "placeholder": "Select date",
     "rangePlaceholder": "Select date range",

src/i18n/locales/en/draws.json

@@ -5,6 +5,18 @@
   "generating": "Generating…",
   "generateSuccess": "Generated {{created}} draws, buffer {{upcoming}}/{{target}}",
   "generateFailed": "Generation failed",
+  "scheduleTimezoneHint": "Times in server timezone {{tz}} (GMT, per UI spec); draw interval {{interval}} min (LOTTERY_DRAW_INTERVAL_MINUTES).",
+  "createDraw": {
+    "open": "New draw",
+    "title": "Create draw manually",
+    "description": "Enter date and time in {{tz}} (not your browser local zone). If only draw time is set, start/close are derived from server config.",
+    "hint": "Start < close < draw. Draw number optional; sequence auto-assigned by UTC business date.",
+    "drawTimeRequired": "Draw time is required",
+    "submit": "Create",
+    "saving": "Creating…",
+    "success": "Draw created",
+    "failed": "Create failed"
+  },
   "drawNo": "Draw no.",
   "status": "Status",
   "startTime": "Start time",
@@ -18,6 +30,28 @@
   "reset": "Reset",
   "fuzzyDrawNo": "Fuzzy draw no.",
   "viewDetails": "View details",
+  "editDraw": {
+    "action": "Edit",
+    "title": "Edit draw",
+    "description": "Draw {{drawNo}} · edit times in {{tz}}",
+    "submit": "Save",
+    "saving": "Saving…",
+    "success": "Draw updated",
+    "failed": "Update failed"
+  },
+  "deleteDraw": {
+    "action": "Delete",
+    "title": "Delete draw",
+    "description": "Delete draw {{drawNo}}? Only for pending draws with no bets. This cannot be undone.",
+    "success": "Draw deleted",
+    "failed": "Delete failed"
+  },
+  "cancelFromList": {
+    "action": "Cancel",
+    "title": "Cancel draw",
+    "description": "Cancel draw {{drawNo}}? Status becomes cancelled; the row is kept."
+  },
+  "listActionsHint": "Pending with no bets: edit or delete. Open/closing/closed with no bets: cancel from list or use detail page.",
   "invalidDrawId": "Invalid draw ID",
   "loadFailed": "Failed to load. Check login and API configuration.",
   "drawDetail": "Draw details",
@@ -162,5 +196,14 @@
     "publishDescription": "Results become visible to players and may trigger settlement.",
     "generatePlanTitle": "Confirm generate draw plan?",
     "generatePlanDescription": "Future bettable draws will be created per system rules."
+  },
+  "batchDelete": {
+    "action": "Delete {{count}} draws",
+    "deleting": "Deleting…",
+    "confirmTitle": "Confirm batch delete draws?",
+    "confirmDescription": "Will delete {{count}} pending draws with no bets. This cannot be undone.",
+    "success": "Successfully deleted {{count}} draws",
+    "failed": "Batch delete failed",
+    "partialFailed": "Partial failure: {{success}} succeeded, {{failed}} failed"
   }
 }