feat: 重构 memory 系统，支持 user memory 和 work memory 分离

backend/tests/unit/core/config/test_memory_automation_static_config.py

@@ -0,0 +1,17 @@
+from __future__ import annotations
+
+from v1.auth.automation_static_config import load_static_automation_job_config
+
+
+def test_memory_automation_static_config_contract() -> None:
+    config = load_static_automation_job_config(config_name="memory_extraction")
+
+    assert config.context.window_mode.value == "day"
+    assert config.context.window_count == 2
+    assert [tool.value for tool in config.enabled_tools] == [
+        "memory.write",
+        "memory.forget",
+    ]
+    prompt = config.input_template
+    assert "提取" in prompt
+    assert "遗忘" in prompt