feat(web): refine onboarding UI (#37433)

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api/core/plugin/plugin_service.py

@@ -31,6 +31,7 @@ from core.helper.marketplace import download_plugin_pkg
 from core.helper.model_provider_cache import ProviderCredentialsCache, ProviderCredentialsCacheType
 from core.plugin.entities.bundle import PluginBundleDependency
 from core.plugin.entities.plugin import (
+    PluginCategory,
     PluginDeclaration,
     PluginEntity,
     PluginInstallation,
@@ -41,6 +42,7 @@ from core.plugin.entities.plugin_daemon import (
     PluginInstallTask,
     PluginInstallTaskStatus,
     PluginListResponse,
+    PluginListWithoutTotalResponse,
     PluginModelProviderEntity,
     PluginVerification,
 )
@@ -437,6 +439,19 @@ class PluginService:
         PluginService._reconcile_endpoint_counts(tenant_id, user_id, plugins.list)
         return plugins
 
+    @staticmethod
+    def list_by_category(
+        tenant_id: str, category: PluginCategory, page: int, page_size: int
+    ) -> PluginListWithoutTotalResponse:
+        """
+        List plugins in one category with a has-more cursor signal and without calculating total.
+
+        The daemon scans tenant installations in the existing list order and stops once it finds one extra match.
+        This keeps pagination usable before category is persisted on installation rows.
+        """
+        manager = PluginInstaller()
+        return manager.list_plugins_by_category(tenant_id, category, page, page_size)
+
     @staticmethod
     def _normalize_endpoint_count(value: object) -> int:
         """Convert daemon endpoint counters to safe non-negative integers.