diff --git a/server/src/app/api/v1/router.py b/server/src/app/api/v1/router.py
index 911ebb8..a7ccbc0 100644
--- a/server/src/app/api/v1/router.py
+++ b/server/src/app/api/v1/router.py
@@ -8,8 +8,10 @@ from app.api.v1.endpoints.bootstrap import router as bootstrap_router
 from app.api.v1.endpoints.employees import router as employees_router
 from app.api.v1.endpoints.health import router as health_router
 from app.api.v1.endpoints.knowledge import router as knowledge_router
-from app.api.v1.endpoints.reimbursements import router as reimbursements_router
-from app.api.v1.endpoints.settings import router as settings_router
+from app.api.v1.endpoints.ontology import router as ontology_router
+from app.api.v1.endpoints.orchestrator import router as orchestrator_router
+from app.api.v1.endpoints.reimbursements import router as reimbursements_router
+from app.api.v1.endpoints.settings import router as settings_router
 
 router = APIRouter()
 router.include_router(health_router, tags=["health"])
@@ -19,6 +21,8 @@ router.include_router(agent_assets_router, tags=["agent-assets"])
 router.include_router(agent_runs_router, tags=["agent-runs"])
 router.include_router(audit_logs_router, tags=["audit-logs"])
 router.include_router(knowledge_router, tags=["knowledge"])
+router.include_router(ontology_router, tags=["ontology"])
+router.include_router(orchestrator_router, tags=["orchestrator"])
 router.include_router(employees_router, prefix="/employees", tags=["employees"])
 router.include_router(reimbursements_router, prefix="/reimbursements", tags=["reimbursements"])
 router.include_router(settings_router, tags=["settings"])
diff --git a/server/src/app/core/openapi.py b/server/src/app/core/openapi.py
index f5971c5..b5e97ce 100644
--- a/server/src/app/core/openapi.py
+++ b/server/src/app/core/openapi.py
@@ -27,6 +27,8 @@ X-Financial 后端 OpenAPI 文档。
 - 员工目录
 - 报销单
 - 知识库与 ONLYOFFICE
+- 语义本体解析
+- Orchestrator 统一调度
 - 系统设置与模型连通性
 - Agent 资产、运行日志、审计日志
 """.strip()
@@ -57,6 +59,14 @@ OPENAPI_TAGS = [
         "name": "knowledge",
         "description": "知识库文件管理、内容访问与 ONLYOFFICE 集成接口。",
     },
+    {
+        "name": "ontology",
+        "description": "Day 3 语义本体解析接口，把自然语言问题稳定转换为 8 个核心字段。",
+    },
+    {
+        "name": "orchestrator",
+        "description": "Day 4 Orchestrator 统一入口，负责语义、权限、路由、工具调用和降级。",
+    },
     {
         "name": "settings",
         "description": "系统设置、模型配置、模型连通性探测和 Hermes 运行时模型配置。",
diff --git a/server/src/app/services/agent_runs.py b/server/src/app/services/agent_runs.py
index 3f526a5..b34b70c 100644
--- a/server/src/app/services/agent_runs.py
+++ b/server/src/app/services/agent_runs.py
@@ -76,6 +76,45 @@ class AgentRunService:
         logger.info("Created agent run id=%s run_id=%s", created.id, created.run_id)
         return self._serialize_run(created)
 
+    def update_run(
+        self,
+        run_id: str,
+        *,
+        agent: str | None = None,
+        ontology_json: dict[str, Any] | None = None,
+        route_json: dict[str, Any] | None = None,
+        permission_level: str | None = None,
+        status: str | None = None,
+        result_summary: str | None = None,
+        error_message: str | None = None,
+        finished_at: datetime | None = None,
+    ) -> AgentRunRead:
+        self._ensure_ready()
+        run = self.repository.get_by_run_id(run_id)
+        if run is None:
+            raise LookupError("Run not found")
+
+        if agent is not None:
+            run.agent = agent
+        if ontology_json is not None:
+            run.ontology_json = ontology_json
+        if route_json is not None:
+            run.route_json = route_json
+        if permission_level is not None:
+            run.permission_level = permission_level
+        if status is not None:
+            run.status = status
+        if result_summary is not None:
+            run.result_summary = result_summary
+        if error_message is not None:
+            run.error_message = error_message
+        if finished_at is not None:
+            run.finished_at = finished_at
+
+        updated = self.repository.save_run(run)
+        logger.info("Updated agent run run_id=%s status=%s", updated.run_id, updated.status)
+        return self._serialize_run(updated)
+
     def record_tool_call(
         self,
         *,
diff --git a/server/tests/test_openapi_schema.py b/server/tests/test_openapi_schema.py
index 21eabb8..e990cf9 100644
--- a/server/tests/test_openapi_schema.py
+++ b/server/tests/test_openapi_schema.py
@@ -10,6 +10,8 @@ def test_openapi_schema_includes_documented_backend_routes() -> None:
     assert schema["info"]["title"] == get_settings().app_name
     assert any(tag["name"] == "agent-assets" for tag in schema["tags"])
     assert any(tag["name"] == "knowledge" for tag in schema["tags"])
+    assert any(tag["name"] == "ontology" for tag in schema["tags"])
+    assert any(tag["name"] == "orchestrator" for tag in schema["tags"])
 
     agent_assets_post = schema["paths"]["/api/v1/agent-assets"]["post"]
     assert agent_assets_post["summary"] == "创建 Agent 资产"
@@ -25,5 +27,13 @@ def test_openapi_schema_includes_documented_backend_routes() -> None:
     assert knowledge_callback_post["summary"] == "接收 ONLYOFFICE 回调"
     assert "application/json" in knowledge_callback_post["requestBody"]["content"]
 
+    ontology_parse_post = schema["paths"]["/api/v1/ontology/parse"]["post"]
+    assert ontology_parse_post["summary"] == "解析自然语言为语义本体"
+    assert "application/json" in ontology_parse_post["requestBody"]["content"]
+
+    orchestrator_run_post = schema["paths"]["/api/v1/orchestrator/run"]["post"]
+    assert orchestrator_run_post["summary"] == "运行 Orchestrator 统一调度"
+    assert "application/json" in orchestrator_run_post["requestBody"]["content"]
+
     root_get = schema["paths"]["/"]["get"]
     assert root_get["summary"] == "服务根检查"