feat: articles pagination

features/public_article_listing.feature

@@ -8,8 +8,8 @@ Feature: Public and authenticated article listing
 
   Background:
     Given internal/domain/article.Article has a json "is_online" field
-    And ListArticlesUseCase.ListOnlineArticles filters article.Filters{IsOnline: true} and
-      ListArticlesUseCase.ListAllArticles applies no filter, both already implemented
+    And ListArticlesUseCase.ListArticlesPage filters article.Filters{IsOnline: true} for an unverified
+      caller and applies no visibility filter for a verified one
     And before this slice, GET /v1/article/ sits inside the jwtauth Verifier + Authenticator group
       in api/router.go along with GET /v1/article/{id}, POST /v1/article/ and DELETE /v1/article/{id},
       so an anonymous request to any of them answers 401, not an online-only list
@@ -19,7 +19,7 @@ Feature: Public and authenticated article listing
     And a later slice, features/public_article_read.feature, moves GET /v1/article/{id} into the
       same Verifier-only group as GET /v1/article/, so the 401 Examples table below is updated
       accordingly
-    And Handler.ListArticles decides between ListAllArticles and ListOnlineArticles by checking the
+    And Handler.ListArticles decides between a verified and an unverified ListArticlesPage call by checking the
       request for a valid jwt, read with jwtauth.FromContext from the token the router-level
       jwtauth.Verifier (header and cookie sources) placed in the request context, rather than
       requiring the router-level Authenticator middleware; article.NewHandler takes no token