feat: add PageIndex SDK with local/cloud dual-mode support (#207)

tests/test_events.py

@@ -0,0 +1,26 @@
+from pageindex.events import QueryEvent
+from pageindex.backend.protocol import AgentTools
+
+
+def test_query_event():
+    event = QueryEvent(type="answer_delta", data="hello")
+    assert event.type == "answer_delta"
+    assert event.data == "hello"
+
+
+def test_query_event_types():
+    for t in ["reasoning", "tool_call", "tool_result", "answer_delta", "answer_done"]:
+        event = QueryEvent(type=t, data="test")
+        assert event.type == t
+
+
+def test_agent_tools_default_empty():
+    tools = AgentTools()
+    assert tools.function_tools == []
+    assert tools.mcp_servers == []
+
+
+def test_agent_tools_with_values():
+    tools = AgentTools(function_tools=["tool1"], mcp_servers=["server1"])
+    assert len(tools.function_tools) == 1
+    assert len(tools.mcp_servers) == 1