Merge remote-tracking branch 'origin/master' into dev/4.11.x

# Conflicts:
#	src/langbot/pkg/api/http/controller/groups/pipelines/pipelines.py
#	src/langbot/pkg/api/http/service/bot.py
#	src/langbot/pkg/provider/runners/localagent.py
#	src/langbot/templates/metadata/pipeline/ai.yaml
#	tests/unit_tests/api/service/test_bot_service.py
#	tests/unit_tests/provider/runners/test_difysvapi_runner.py
#	tests/unit_tests/utils/test_safe_regex.py
#	web/src/app/infra/entities/adapter-categories.ts
#	web/src/app/wizard/page.tsx
#	web/src/i18n/locales/en-US.ts
#	web/src/i18n/locales/ja-JP.ts
#	web/src/i18n/locales/zh-Hans.ts
#	web/tests/e2e/plugin-page-auth.spec.ts

tests/integration/api/test_pipelines.py

@@ -254,6 +254,22 @@ class TestPipelinesCRUDEndpoints:
         assert data['code'] == 0
         assert 'uuid' in data['data']
 
+    @pytest.mark.asyncio
+    async def test_create_default_pipeline_forwards_default_flag(self, quart_test_client, fake_pipeline_app):
+        """POST /api/v1/pipelines explicitly creates a default pipeline."""
+        fake_pipeline_app.pipeline_service.create_pipeline.reset_mock()
+
+        response = await quart_test_client.post(
+            '/api/v1/pipelines',
+            headers={'Authorization': 'Bearer test_token'},
+            json={'name': 'Default Pipeline', 'config': {}, 'is_default': True},
+        )
+
+        assert response.status_code == 200
+        call = fake_pipeline_app.pipeline_service.create_pipeline.await_args
+        assert call.kwargs == {'default': True}
+        assert call.args[1]['is_default'] is True
+
     @pytest.mark.asyncio
     async def test_update_pipeline_success(self, quart_test_client):
         """PUT /api/v1/pipelines/{uuid} updates pipeline."""