feat: 更新多个文件以使用 SessionMessage 替代 MaiMessage，并调整相关逻辑

pytests/test_maisaka_message_adapter.py

@@ -0,0 +1,55 @@
+from datetime import datetime
+from pathlib import Path
+
+import sys
+
+from src.chat.message_receive.message import SessionMessage
+from src.common.data_models.message_component_data_model import MessageSequence, TextComponent
+from src.llm_models.payload_content.tool_option import ToolCall
+from src.maisaka.message_adapter import build_message, get_message_kind, get_message_role, get_tool_call_id, get_tool_calls
+
+
+PROJECT_ROOT = Path(__file__).resolve().parents[1]
+if str(PROJECT_ROOT) not in sys.path:
+    sys.path.insert(0, str(PROJECT_ROOT))
+
+
+def test_build_message_returns_session_message_with_maisaka_metadata() -> None:
+    timestamp = datetime.now()
+    tool_call = ToolCall(
+        call_id="call-1",
+        func_name="reply",
+        args={"message_id": "msg-1"},
+    )
+    raw_message = MessageSequence(components=[TextComponent(text="内部消息内容")])
+
+    message = build_message(
+        role="assistant",
+        content="展示消息内容",
+        message_kind="perception",
+        source="assistant",
+        tool_call_id="call-1",
+        tool_calls=[tool_call],
+        timestamp=timestamp,
+        message_id="maisaka-msg-1",
+        raw_message=raw_message,
+        display_text="展示消息内容",
+    )
+
+    assert isinstance(message, SessionMessage)
+    assert message.initialized is True
+    assert message.message_id == "maisaka-msg-1"
+    assert message.timestamp == timestamp
+    assert message.processed_plain_text == "展示消息内容"
+    assert message.display_message == "展示消息内容"
+    assert message.raw_message is raw_message
+
+    assert get_message_role(message) == "assistant"
+    assert get_message_kind(message) == "perception"
+    assert get_tool_call_id(message) == "call-1"
+
+    restored_tool_calls = get_tool_calls(message)
+    assert len(restored_tool_calls) == 1
+    assert restored_tool_calls[0].call_id == "call-1"
+    assert restored_tool_calls[0].func_name == "reply"
+    assert restored_tool_calls[0].args == {"message_id": "msg-1"}