ref(integrations): Increase default per_page for paginated repo fetching to 100

Align with the existing BaseApiClient.page_size default. 25 was
unnecessarily small for a repo selector, causing extra round-trips
through Sentry and GitHub for most users.

Author: jaydgoss

src/sentry/integrations/api/endpoints/organization_integration_repos.py

@@ -102,7 +102,7 @@ def _get_paginated_repos(
         cursor_param = request.GET.get("cursor")
         try:
             cursor = Cursor.from_string(cursor_param) if cursor_param else Cursor(0, 0, False)
-            per_page = min(int(request.GET.get("per_page", 25)), 100)
+            per_page = min(int(request.GET.get("per_page", 100)), 100)
         except (ValueError, TypeError):
             return self.respond({"detail": "Invalid cursor or per_page parameter."}, status=400)
         page_number = (cursor.offset // per_page) + 1

src/sentry/integrations/github/integration.py

@@ -353,7 +353,7 @@ def get_repositories(
         ]
 
     def get_repositories_page(
-        self, page: int = 1, per_page: int = 25
+        self, page: int = 1, per_page: int = 100
     ) -> tuple[list[dict[str, Any]], bool]:
         """
         Fetch a single page of non-archived repositories.

src/sentry/integrations/source_code_management/repository.py

@@ -63,7 +63,7 @@ def get_repositories(
     def get_repositories_page(
         self,
         page: int = 1,
-        per_page: int = 25,
+        per_page: int = 100,
     ) -> tuple[list[dict[str, Any]], bool] | None:
         """
         Fetch a single page of repositories. Override to support

tests/sentry/integrations/api/endpoints/test_organization_integration_repos.py

@@ -278,7 +278,7 @@ def test_paginate_first_page(self, get_repositories_page: MagicMock) -> None:
         response = self.client.get(self.path, format="json", data={"paginate": "true"})
 
         assert response.status_code == 200, response.content
-        get_repositories_page.assert_called_once_with(page=1, per_page=25)
+        get_repositories_page.assert_called_once_with(page=1, per_page=100)
         assert response.data == {
             "repos": [
                 {
@@ -309,11 +309,11 @@ def test_paginate_second_page(self, get_repositories_page: MagicMock) -> None:
             False,
         )
         response = self.client.get(
-            self.path, format="json", data={"paginate": "true", "cursor": "0:25:0"}
+            self.path, format="json", data={"paginate": "true", "cursor": "0:100:0"}
         )
 
         assert response.status_code == 200, response.content
-        get_repositories_page.assert_called_once_with(page=2, per_page=25)
+        get_repositories_page.assert_called_once_with(page=2, per_page=100)
         # next cursor should indicate no more results
         assert 'rel="next"; results="false"' in response["Link"]
         # prev cursor should indicate results exist