feat: 报销审批流重构与管家计划全链路贯通

- 重构报销状态注册表、审批流路由与平台风险标记
- 完善管家意图规划器与模型计划构建器全链路
- 新增 OCR Worker 脚本、数据库会话管理与通知状态
- 优化文档中心、日志视图、预算中心与员工管理交互
- 增强工作台摘要、图标资源与全局主题样式
- 补充审批路由、状态注册、OCR 服务与管家规划器测试覆盖

server/tests/test_steward_runtime_decision_agent.py

@@ -0,0 +1,96 @@
+from app.schemas.steward import StewardRuntimeDecisionRequest
+from app.services.steward_runtime_decision_agent import (
+    STEWARD_RUNTIME_DECISION_FUNCTION_NAME,
+    StewardRuntimeDecisionAgent,
+)
+
+
+class _FakeToolCall:
+    def __init__(self, name, arguments):
+        self.name = name
+        self.arguments = arguments
+
+
+class _FakeRuntimeResult:
+    def __init__(self, tool_call=None):
+        self.tool_call = tool_call
+
+    def calls_as_dicts(self):
+        return [{"tool": self.tool_call.name if self.tool_call else ""}]
+
+
+class _FakeRuntime:
+    def __init__(self, payload):
+        self.payload = payload
+        self.last_messages = []
+        self.last_tools = []
+        self.last_tool_choice = None
+
+    def complete_with_tool_call(self, messages, tools, tool_choice, **kwargs):
+        self.last_messages = messages
+        self.last_tools = tools
+        self.last_tool_choice = tool_choice
+        if self.payload is None:
+            return _FakeRuntimeResult()
+        return _FakeRuntimeResult(_FakeToolCall(STEWARD_RUNTIME_DECISION_FUNCTION_NAME, self.payload))
+
+
+def test_steward_runtime_decision_uses_function_calling_context():
+    runtime = _FakeRuntime(
+        {
+            "next_action": "submit_current_application",
+            "target_task_id": "task-application-beijing",
+            "target_message_id": "msg-application-preview",
+            "field_key": "",
+            "field_value": "",
+            "confirmation_required": False,
+            "question": "",
+            "response_text": "",
+            "rationale": "用户确认当前申请核对表无误。",
+        }
+    )
+
+    result = StewardRuntimeDecisionAgent(runtime).decide(
+        StewardRuntimeDecisionRequest(
+            user_message="确认",
+            runtime_state={
+                "waiting_for": "application_submit_confirmation",
+                "pending_application": {
+                    "message_id": "msg-application-preview",
+                    "task_id": "task-application-beijing",
+                    "ready_to_submit": True,
+                },
+                "remaining_tasks": [
+                    {"task_id": "task-reimbursement-meal", "task_type": "reimbursement"}
+                ],
+            },
+        )
+    )
+
+    assert result.decision_source == "llm_function_call"
+    assert result.next_action == "submit_current_application"
+    assert result.target_message_id == "msg-application-preview"
+    assert result.target_task_id == "task-application-beijing"
+    assert runtime.last_tool_choice["function"]["name"] == STEWARD_RUNTIME_DECISION_FUNCTION_NAME
+    assert "runtime_state" in runtime.last_messages[-1]["content"]
+
+
+def test_steward_runtime_decision_fallback_keeps_current_context():
+    runtime = _FakeRuntime(None)
+
+    result = StewardRuntimeDecisionAgent(runtime).decide(
+        StewardRuntimeDecisionRequest(
+            user_message="确认",
+            runtime_state={
+                "pending_steward_action": {
+                    "message_id": "msg-next-task",
+                    "target_task_id": "task-reimbursement-meal",
+                }
+            },
+        )
+    )
+
+    assert result.decision_source == "rule_fallback"
+    assert result.next_action == "continue_next_task"
+    assert result.target_message_id == "msg-next-task"
+    assert result.target_task_id == "task-reimbursement-meal"