DataAccess: use INSERT OR IGNORE for DailyAPICount to prevent UNIQUE constraint

URLNotesGrabberCORE/DataAccess.cs

@@ -194,7 +194,9 @@ namespace URLNotesGrabberCORE
             {
                 connection.Open();
 
-                string sql = "INSERT INTO DailyAPICount (Date) values(@date)";
+                // Use INSERT OR IGNORE to avoid UNIQUE constraint errors when the date row already exists.
+                // Also explicitly initialize APICount to 0 in case the table has no default.
+                string sql = "INSERT OR IGNORE INTO DailyAPICount (Date, APICount) values(@date, 0)";
                 using (SQLiteCommand command = new SQLiteCommand(sql, connection))
                 {
                     command.Parameters.AddWithValue("@date", DateTime.Today.ToShortDateString());