refactor(trace): enforce run-only diagnosis model

mvp/issues/archived/ISS-010-session-run-trace-isolation.md

@@ -569,7 +569,7 @@ tool_invocation(run_id, id)
 - `mvp/architecture/data-model.md`
 - `mvp/tables/聊天会话表-chat_session.md`
 - `mvp/tables/诊断运行表-diagnosis_run.md`
-- `mvp/tables/诊断会话表-diagnosis_session.md`
+- `mvp/archive/2026-07-20-doc-cleanup/tables/诊断会话表-diagnosis_session.md`
 - `mvp/tables/Agent步骤表-agent_step.md`
 - `mvp/tables/工具调用表-tool_invocation.md`
 - `mvp/tables/案例库表-case_library.md`