feat(timesheet): improve empty state copy and layout

src/locales/en.ts

@@ -408,10 +408,12 @@ export const en = {
     runningBadge: "Running",
     noRunningEntry: "No running entry",
     searchPlaceholder: "Search time entries...",
-    orderingNewest: "Newest first",
-    orderingOldest: "Oldest first",
-    emptyState: "No time entries found",
-    emptyDescription: "No description",
+    orderingNewest: "Newest first",
+    orderingOldest: "Oldest first",
+    emptyState: "No time entries found",
+    emptyStateDescription: "Start the timer or add a manual entry to get started.",
+    noEntriesSearch: "Try adjusting your search query or filters.",
+    emptyDescription: "No description",
     createTitle: "Add Time Entry",
     startTitle: "Start Timer",
     editTitle: "Edit Time Entry",

src/locales/fa.ts

@@ -409,6 +409,8 @@ export const fa = {
     orderingOldest: "قدیمی‌ترین",
     emptyState: "ورودی زمانی یافت نشد",
     emptyDescription: "بدون توضیح",
+    emptyStateDescription: "برای شروع، تایمر را اجرا کنید یا یک ورودی دستی اضافه کنید.",
+    noEntriesSearch: "عبارت جست‌وجو یا فیلترهای خود را تغییر دهید.",
     createTitle: "افزودن ورودی زمان",
     startTitle: "شروع تایمر",
     editTitle: "ویرایش ورودی زمان",