chore: import upstream snapshot with attribution

tests/agents/tools/test_read_webpage_errors.py

@@ -0,0 +1,70 @@
+"""Tests for error paths in read_webpage tool."""
+
+from unittest.mock import patch
+
+import requests
+
+
+class TestReadWebpageErrors:
+    def test_request_exception_returns_error_string(self):
+        from application.agents.tools.read_webpage import ReadWebpageTool
+
+        tool = ReadWebpageTool(config={})
+        with patch(
+            "application.agents.tools.read_webpage.pinned_request",
+            side_effect=requests.exceptions.RequestException("bad url"),
+        ):
+            got = tool.execute_action(
+                "read_webpage", url="https://example.com/",
+            )
+        assert "Error fetching URL" in got
+
+    def test_generic_exception_returns_error_string(self):
+        from application.agents.tools.read_webpage import ReadWebpageTool
+
+        tool = ReadWebpageTool(config={})
+        with patch(
+            "application.agents.tools.read_webpage.markdownify",
+            side_effect=RuntimeError("boom"),
+        ), patch(
+            "application.agents.tools.read_webpage.pinned_request",
+        ) as mock_pinned_request:
+            mock_pinned_request.return_value.text = "<h1>hi</h1>"
+            mock_pinned_request.return_value.raise_for_status.return_value = None
+            got = tool.execute_action(
+                "read_webpage", url="https://example.com/",
+            )
+        assert "Error fetching URL" in got
+
+
+class TestBaseAgentMinorBranches:
+    """Cover 2 missing lines in agents/base.py (116, 160)."""
+
+    def test_base_agent_with_llm_provided(self):
+        from application.agents.classic_agent import ClassicAgent
+        from unittest.mock import MagicMock
+
+        mock_llm = MagicMock()
+        mock_handler = MagicMock()
+        # Instantiating with llm+llm_handler skips the creator call paths
+        agent = ClassicAgent(
+            endpoint="ep", llm_name="openai", model_id="gpt-4",
+            api_key="k", llm=mock_llm, llm_handler=mock_handler,
+        )
+        assert agent.llm is mock_llm
+        assert agent.llm_handler is mock_handler
+
+
+class TestWorkflowNodesMinor:
+    """Cover line 44 in workflow_nodes.py (likely default params branch)."""
+
+    def test_bulk_create_empty_list_returns_empty(self, pg_conn):
+        from application.storage.db.repositories.workflow_nodes import (
+            WorkflowNodesRepository,
+        )
+        got = WorkflowNodesRepository(pg_conn).bulk_create(
+            "00000000-0000-0000-0000-000000000001",
+            1,
+            [],
+        )
+        assert got == []