feat(ai): unify verified expense application workflow

document/development/2026-07-13/feature/ai-expense-closed-loop-and-value-proof/CONCEPT.md

@@ -253,6 +253,8 @@
 - API 新字段优先追加，不在同一阶段破坏现有前端契约。
 - 从未成功签发 `decision_id` 的旧申请预览，或签发接口失败且服务端没有当前会话有效决策时，保存/提交继续走现有 `client_observed` 路径；当前会话一旦存在有效服务端决策，省略 `decision_id` 必须拒绝，不能主动降级绕过核验。兼容路径不得在用户已经编辑后把最终值反向登记成“原始建议”。
 - 新预览使用 30 分钟有效的服务端 `decision_id`。保存草稿或提交成功后一次消费；保存草稿会尽力签发基于已保存事实的新 `decision_id`，供后续提交继续核验，但续签属于业务提交后的派生能力，续签失败不能把已成功保存返回为失败。相同动作请求 ID、动作和最终指纹允许安全重放，其他重放拒绝。
+- AI 工作台、小财管家和通用 Orchestrator 的结构化申请预览统一复用服务端签发/消费工作流。小财管家签发失败时保持可编辑和可重试，但保存、提交必须 fail-closed，不再降级到旧 Orchestrator 副作用；只有没有结构化预览的历史消息保留旧兼容入口。
+- Orchestrator 将已签发 decision 保存在服务端会话状态，后续保存/提交只消费该状态，不采信浏览器回传的 preview 或 decision。保存草稿返回的新 decision 继续写回会话，服务端消息中的结构化预览可在刷新或换端后恢复。
 - 迁移桥接期集中维护 migration-owned 表集合；所有 legacy bootstrap 只能创建集合之外的表。标准启动在 `alembic upgrade head` 前只读核对 revision 与自有表集合，发现漂移时拒绝启动，不自动猜测、stamp 或修复。
 - 所有表结构通过 Alembic 迁移，不继续在请求路径执行 DDL。
 
@@ -272,6 +274,7 @@
 - P0 数据契约即引入最小 `tenant_id`、数据库约束、行级过滤、向量库命名空间和对象存储前缀隔离；删除传播、数据导出和私有部署加固可在商业化阶段继续完善。
 - Expense Case 用户态查询只返回流程摘要：Case 基础状态、关系类型、事件类型、操作人、发生时间及白名单业务载荷；不返回关联资源 ID、幂等键、correlation、causation、聚合标识或 Outbox 投递状态。有权查看入口单据的本人、当前审批人、财务和管理员可查看整 Case 的安全摘要，无权限与跨租户查询继续以 404 隐藏资源存在性。
 - 申请预览签发与消费同时绑定 `tenant_id`、actor、Bearer 登录会话和会话 ID；动作入口按这些服务端事实锁行校验，不能只凭随机 UUID 授权。浏览器提供的模型来源、`finalValue`、用户和角色声明均不作为可信事实。
+- 外部 `/orchestrator/run` 的用户消息、定时任务和系统事件都必须携带有效登录会话，不能由请求体中的 `source` 自行声明可信内部来源；其中 `schedule` / `system_event` 只允许平台管理员触发。服务端使用登录态覆盖用户、租户、角色、管理员、员工、审批人和调度操作人别名，并移除客户端 preview/decision 状态。最近会话查询与删除只使用当前登录用户和租户，查询参数中的 `user_id` 仅保留协议兼容，不参与授权。
 - 预览与学习账本中的字段值使用独立、可版本化的费用申请密钥计算 HMAC-SHA256 指纹，密钥目录和文件权限分别为 `0700`、`0600`；核验旧决策必须使用其签发版本，缺失版本直接拒绝，不静默生成替代密钥。字段指纹同时编码“字段是否存在”，避免新增或删除字段被误判为采纳；训练资格仍保持关闭，直至审批、付款或人工核验闭环完成。
 - 自动化权限按动作、金额、场景、风险和有效期授予，不使用全局“允许 Agent 自动执行”开关。
 - 收款账户变更、资金支付、制度发布、高风险驳回和敏感主数据变更执行双人或更高等级复核。
@@ -458,6 +461,7 @@ docker exec -w /app -e SERVER_VENV_DIR=/tmp/x-financial-server-venv \
 - 历史证据边界：旧单快照只表达回填时可确认的当前状态，迁移前逐节点办理过程仍以原单据和既有审计为准；后续分析不得把快照事件误当成历史审批事实。
 - 认证和租户：当前客户端身份头不适合自动化和 SaaS，多租户、记忆和高风险动作开发前必须修复。
 - 会话运维：不透明会话已经替代客户端身份头，但仍需补充定时清理、活跃会话查看/全部退出、密钥轮换策略、登录限流和企业 SSO；当前 `tenant_id` 仍是最小契约，不代表跨租户查询守卫已经完成。
+- Agent 会话租户边界：Orchestrator 与 Steward 动作运行时都把可信 `tenant_id` 写入会话状态；创建、恢复、幂等检查点重放、单条删除和批量删除同时校验租户与用户名，同名用户不能跨租户复用 decision 或动作结果。历史无租户状态的会话在认证入口 fail-closed，不会被恢复或删除。`agent_conversations` 仍缺少独立 `tenant_id` 列和数据库复合约束，后续迁移需要把当前应用层守卫下沉为结构化租户键。
 - 费用事件读取边界：用户态精简 DTO 和首批 HTTP 权限测试已完成；剩余风险是同一 URL 若已有外部客户端依赖旧内部字段会产生契约变更，且未来新增敏感 payload 字段必须继续显式进入白名单，不能恢复任意字典透传。
 - 反馈投毒：一次点击或违规习惯不能直接成为记忆，需要候选态、最小样本、制度约束和结果权重。
 - 自动化失控：高准确率不代表高风险动作可以无人值守，必须按动作授权并支持 shadow、Canary、抽检和回滚。
@@ -528,3 +532,9 @@ docker exec -w /app -e SERVER_VENV_DIR=/tmp/x-financial-server-venv \
 - 2026-07-14（服务端预览决策）：新增认证的 `POST /api/v1/reimbursements/application-previews`。服务端从原始申请文本和当前登录身份重新解析字段、重跑规则测算，再签发 30 分钟有效的 `decision_id`；浏览器返回的模型来源和建议值不被直接认证。预览绑定租户、actor、登录会话和 conversation，字段只保存独立版本密钥生成的 HMAC 指纹；字段存在性也纳入指纹，新增、删除和改值都能由服务端识别。
 - 2026-07-14（消费与续签）：快速保存/提交显式携带动作类型、`decision_id` 和稳定请求 ID。服务端锁行校验后，在 Claim、Expense Case、Business Event、AIDecision、Feedback、Outcome 的同一事务中一次消费；当前会话已有有效决策时禁止省略 ID 降级。保存草稿提交成功后再尽力签发基于服务端事实的新 `decision_id`，续签失败只返回无新 ID，不反转已成功业务动作；相同请求安全重放不会重复建单或重复写学习账本。
 - 2026-07-14（0004 迁移与验证）：新增 `20260714_0004_ai_application_preview_decisions.py`，预览决策表和正式 Decision 复合租户外键纳入集中迁移所有权。一次性隔离 PostgreSQL 17 完整 upgrade、重复 upgrade、约束/索引、downgrade 和再次 upgrade 4 项通过；容器内新增决策安全用例 9 项、旧快速保存/提交 4 项、申请学习账本 9 项、迁移与所有权 26 项通过且条件型 PostgreSQL 用例 1 项跳过，3 组前端定向测试及 Vite 生产构建通过。持久开发库只读确认 8 张 migration-owned 表数量仍为 0。
+- 2026-07-14（多入口统一决策闭环）：抽取 `ExpenseApplicationPreviewWorkflow`，认证签发、锁行消费、动作幂等、学习落账和草稿续签不再由 HTTP 端点重复编排。Steward、小财管家结构化预览和通用 Orchestrator 均复用该工作流；用户纠正字段后仍消费原始 decision，使服务端能够把建议值与最终业务事实记为 `server_verified` 接受或纠正证据。
+- 2026-07-14（Orchestrator 身份与会话边界）：外部用户消息、定时任务和系统事件统一强制认证，`schedule` / `system_event` 进一步要求平台管理员；登录态覆盖请求中的身份、租户和调度操作人别名，堵住匿名或普通用户伪造来源触发 Hermes 管理任务的路径。会话创建、恢复和删除同时绑定可信租户与用户名，历史无租户状态会话 fail-closed。申请 decision 只从服务端会话恢复，客户端 preview/decision 在进入编排前被移除；保存草稿后的 next decision 回写会话并支持刷新/换端恢复结构化预览。
+- 2026-07-14（小财管家 fail-closed）：完整预览展示前先使用稳定 request ID 签发 canonical decision；签发失败时允许继续编辑和以同一 ID 重试，但禁止保存/提交且不回退旧副作用链路。保存/提交失败重试复用稳定 action request ID，保存成功同步草稿信息与 next decision。
+- 2026-07-14（decision 生命周期加固）：同一租户、用户、登录会话、conversation 和 HMAC 快照即使使用不同签发 request ID，也复用当前 active decision，避免多个并行 decision 命中草稿幂等捷径后遗留未消费状态。动作发现 decision 过期、已消费或不可用时，前端清空旧 ID、生成新的签发 request ID 并开放重新签发。
+- 2026-07-14（跨租户检查点加固）：Steward 动作会话创建显式写入服务端租户；租户 A/B 即使使用相同用户名、conversation 和 trace，也会获得独立会话与 decision，不再跨租户返回幂等结果或敏感预览内容。
+- 2026-07-14（统一闭环验证）：容器内服务端预览、Steward 动作/图运行、Orchestrator 外部来源授权及决策消费组合回归 50 项通过，Python Ruff F/I 通过；前端结构化动作、会话恢复、工作台路由、富确认和动作脚本共 18 项通过，Vite 生产构建通过。并行读取用户正在变动的规则工作簿曾触发 `openpyxl` ZIP 句柄竞争，相关套件改为串行后全部通过，未修改规则工作簿。

document/development/2026-07-13/feature/ai-expense-closed-loop-and-value-proof/TODO.md

@@ -81,6 +81,8 @@
   证据：`expense_application_draft_events.py`、`user_agent_application.py`、`reimbursements.py`、`steward_action_executor.py`、`test_user_agent_application_draft_events.py`、`test_reimbursement_endpoints.py`、`test_steward_action_executor.py`；完全相同 HTTP 保存重放复用同一草稿和事件，同一 run 内不同快照分别留痕，事件失败后草稿与 Case 数据整体回滚。
 - [x] [CONCEPT: 权限与安全] 将 AI 申请预览快速入口的用户、租户、角色与管理员身份强制绑定到服务端会话，拒绝请求体伪造身份编辑他人申请。
   证据：`reimbursements.py`、`test_reimbursement_endpoints.py`；对抗用例修复前返回 200，修复后返回 400，且目标申请和费用事件保持不变。
+- [x] [CONCEPT: 权限与安全] 收口通用 Orchestrator 用户消息和会话管理的认证边界，拒绝客户端身份与 decision 注入。
+  证据：`orchestrator.py`、`agent_conversations.py`、`orchestrator_expense_application_workflow.py`、`steward_graph_action_runtime.py`、`test_orchestrator_auth_endpoints.py`、`test_steward_action_executor.py`、`test_orchestrator_review_flow.py`；用户消息、定时任务和系统事件无认证均返回 401，普通用户触发 `schedule` / `system_event` 返回 403，登录态覆盖请求身份和调度操作人别名；Orchestrator 会话创建/恢复/删除及 Steward 幂等检查点同时校验租户与用户名，申请动作只消费服务端会话 decision。
 - [x] [CONCEPT: 兼容策略] 建立迁移桥接：服务启动先执行 Alembic，旧 metadata bootstrap 排除 migration-owned 表。
   证据：`server_start.sh`、`schema_ownership.py`、`migration_preflight.py`、`20260713_0001_expense_case_business_events.py`、`20260713_0002_auth_sessions.py`；容器 Shell/静态检查及一次性 PostgreSQL 完整 upgrade/downgrade/re-upgrade 通过。
 - [x] [CONCEPT: 兼容策略] 为迁移前已有 `ExpenseClaim` 提供显式、幂等且不伪造办理历史的费用事件快照回填。
@@ -117,7 +119,8 @@
 - [ ] [CONCEPT: 记忆激活] 实现用户、部门、企业记忆优先级、冲突解释、时间衰减和最小样本要求。
 - [x] [CONCEPT: 记忆与学习] 为 AI 申请预填记录用户原样采纳、显式字段修改和草稿/提交结果证据。
   证据：`expenseApplicationDecisionFeedback.js`、`useApplicationPreviewEditor.js`、`expense_application_learning.py`、`expense_application_preview_decisions.py`；改回原建议会清除字段差异，日期联动同步记录天数，最终值由服务端 facts 重建。旧预览保持 `client_observed`；服务端签发预览由版本化 HMAC 快照与最终 facts 逐字段比对，字段新增、删除或改值都标记为 `server_verified` 编辑。两者均保持 `training_eligible=false`，尚不直接训练模型或激活记忆。
-- [ ] [CONCEPT: 记忆与学习] 将小财管家/通用 Orchestrator 的申请预览切换到认证签发与消费链路；在此之前不得把其客户端 preview 升级为服务端核验证据。
+- [x] [CONCEPT: 记忆与学习] 将小财管家、Steward 与通用 Orchestrator 的申请预览切换到认证签发与消费链路，并把结构化预览失败策略收口为 fail-closed。
+  证据：`expense_application_preview_workflow.py`、`orchestrator_expense_application_workflow.py`、`steward_action_executor.py`、`useTravelReimbursementApplicationPreviewActions.js`；签发/动作请求 ID 可稳定重试，草稿续签回写服务端会话，字段接受/纠正按 `server_verified` 落账，未签发结构化预览不能保存或提交。
 - [ ] [CONCEPT: 记忆与学习] 从字段接受/修改/拒绝、退回、审批覆盖、付款和审计结果生成记忆证据。
 - [ ] [CONCEPT: 记忆与学习] 将已确认 few-shot 扩展到报销预审和审批辅助，并按租户、场景、制度版本过滤。
 - [ ] [CONCEPT: 风险与预审] 完成 golden case、Prompt/规则版本、Canary、回归门禁和自动回滚。
@@ -187,6 +190,8 @@
 - [ ] [CONCEPT: 测试方案] 补充其余前端组件、键盘操作、移动真实接口和完整浏览器关键流程验证。
 - [x] [CONCEPT: 测试方案] 验证服务端预览决策签发、字段新增/改值差异判定、跨会话拒绝、无 ID 降级防绕过、安全重放、独立密钥权限、续签失败容错、旧路径兼容、会话恢复和真实 PostgreSQL 迁移。
   证据：容器内新增决策安全用例 9 项、旧快速保存/提交 4 项、申请学习账本 9 项、迁移与所有权 26 项通过且条件型 PostgreSQL 用例 1 项跳过；一次性 PostgreSQL 17 迁移 4 项、前端定向 3 组及 Vite 生产构建已通过。临时 PostgreSQL 已清理，持久开发库 8 张 migration-owned 表数量仍为 0。
+- [x] [CONCEPT: 测试方案] 验证小财管家、Steward、通用 Orchestrator 的统一预览闭环、认证绑定、fail-closed、稳定重试和跨刷新恢复。
+  证据：容器内后端组合回归 50 项通过，覆盖服务端预览、Steward 动作/图运行、跨租户 checkpoint、Orchestrator 匿名/普通用户/管理员来源授权及决策消费，Python Ruff F/I 通过；前端结构化动作、会话恢复、工作台路由、富确认和 `ai-application-preview-actions` 共 18 项通过，Vite 生产构建通过。共享规则工作簿相关套件按容器内串行执行，避免并行读取正在变动的 XLSX 产生非业务性 ZIP 竞争。
 - [ ] [CONCEPT: 测试方案] 所有后端、集成和迁移测试在当前主应用容器内执行，单条命令最大超时 60s。
 - [ ] [CONCEPT: 指标与验收] 记录测试、lint、typecheck、构建、端到端和未覆盖风险证据。
 

document/development/2026-07-14/dev-logs/bugs/orchestrator-auth-preview-decision-bypass.md

@@ -0,0 +1,13 @@
+# Orchestrator 未认证与费用申请决策绕过
+
+日期：2026-07-14
+文档路径：document/development/2026-07-14/dev-logs/bugs/orchestrator-auth-preview-decision-bypass.md
+
+## 修复记录
+
+- 15:43：记录 bug 修复：Orchestrator 未认证与费用申请决策绕过。
+  - Git 提交检查：`git fetch --all --prune` 成功，`origin/main` 没有新提交；本地 ahead 9 条，依次为 `5b246307` 服务端申请预览决策、`a662cfe6` 申请反馈账本、`5ed34c2b` 历史费用 Case 回填、`11275e4b` 迁移所有权安全、`1347366b` 安全时间线与草稿事件、`22669a90` 统一费用时间线、`a616b30c` AI 申请提交事务、`653eda05` Bearer 会话、`661990b2` 事务型费用事件；工作树为 dirty，未执行合并或变基。
+  - 修改：`orchestrator.py` 的所有外部来源改为强制认证，`schedule` / `system_event` 进一步要求平台管理员；`OrchestratorService` 用登录态覆盖客户端身份与调度操作人别名并丢弃 preview/decision 注入。`agent_conversations.py` 与 Steward 动作运行时使用可信租户状态隔离会话创建、恢复、幂等检查点和删除；统一申请预览工作流要求 Steward、工作台和小财管家先签发再保存/提交，并复用同会话同快照的 active decision。
+  - 操作：把 Orchestrator 申请 decision 保存到服务端会话，草稿保存后的 next decision 继续回写；工作台 Steward 申请动作改为先打开结构化签发预览。过期/已消费 decision 会清空旧 ID 并进入可重新签发状态；租户 A/B 使用相同用户名、conversation 和 trace 时创建独立会话与 decision。所有验证均在 `x-financial-local-linux` 容器 `/app` 内执行，未修改七个用户规则工作簿。
+  - 验证：后端组合回归 50 项通过，覆盖服务端预览、Steward 动作/图运行、跨租户 checkpoint、Orchestrator 匿名/普通用户/管理员来源授权与 decision 消费，Python Ruff F/I 通过；前端结构化动作、会话恢复、工作台动作路由、富确认和动作脚本 18 项通过，Vite 生产构建通过。共享工作簿并行读取曾触发 `openpyxl` ZIP 竞争，串行复跑相关套件后全部通过。
+  - 影响：未登录用户不能再通过伪造 `source` 调用 Orchestrator，普通用户也不能伪装调度来源触发 Hermes 管理任务；同名用户不能跨租户恢复、删除或重放 Steward 会话检查点。申请保存/提交只消费当前登录会话签发的 decision，重复签发、过期和失败均有确定的安全处理。

server/src/app/api/v1/endpoints/expense_application_previews.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import logging
 from typing import Annotated
 
 from fastapi import APIRouter, Depends, HTTPException, status
@@ -11,24 +10,18 @@ from app.schemas.expense_application_preview import (
     ExpenseApplicationPreviewDecisionCreate,
     ExpenseApplicationPreviewDecisionRead,
 )
-from app.schemas.ontology import OntologyParseResult, OntologyPermission
 from app.schemas.reimbursement import (
     ExpenseApplicationPreviewActionPayload,
     ExpenseApplicationPreviewActionResponse,
-    ExpenseApplicationPreviewActionResult,
 )
-from app.schemas.user_agent import UserAgentRequest
 from app.services.expense_application_preview_decisions import (
-    ExpenseApplicationPreviewDecisionService,
     PreviewDecisionConflictError,
 )
-from app.services.expense_application_request_context import (
+from app.services.expense_application_preview_workflow import (
-    build_trusted_expense_application_context,
+    ExpenseApplicationPreviewWorkflow,
 )
-from app.services.user_agent import UserAgentService
 
 router = APIRouter(prefix="/reimbursements")
-logger = logging.getLogger(__name__)
 DbSession = Annotated[Session, Depends(get_db)]
 CurrentUser = Annotated[CurrentUserContext, Depends(get_current_user)]
 
@@ -48,48 +41,13 @@ def issue_expense_application_preview_decision(
     db: DbSession,
     current_user: CurrentUser,
 ) -> ExpenseApplicationPreviewDecisionRead:
-    run_id = f"application-preview-decision:{payload.request_id}"
-    context_json = build_trusted_expense_application_context(current_user)
-    request = UserAgentRequest(
-        run_id=run_id,
-        user_id=current_user.username or current_user.name,
-        message=payload.message,
-        ontology=OntologyParseResult(run_id=run_id),
-        context_json=context_json,
-        tool_payload={},
-        selected_capability_codes=[],
-        degraded=False,
-        requires_confirmation=False,
-    )
     try:
-        facts = UserAgentService(db)._resolve_expense_application_facts(request)
+        return ExpenseApplicationPreviewWorkflow(db).issue(payload, current_user)
-        issued = ExpenseApplicationPreviewDecisionService(db).issue(
-            facts,
-            current_user,
-            conversation_id=payload.conversation_id or "",
-            request_id=payload.request_id,
-        )
-        db.commit()
-        db.refresh(issued.decision)
     except PreviewDecisionConflictError as error:
-        db.rollback()
         raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail=str(error)) from error
     except ValueError as error:
-        db.rollback()
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(error)) from error
 
-    return ExpenseApplicationPreviewDecisionRead(
-        decision_id=issued.decision.id,
-        decision_source=issued.decision.decision_source,
-        expires_at=issued.decision.expires_at,
-        application_preview={
-            "fields": issued.fields,
-            "decisionId": issued.decision.id,
-            "decisionSource": issued.decision.decision_source,
-            "decisionExpiresAt": issued.decision.expires_at.isoformat(),
-        },
-    )
-
 
 @router.post(
     "/application-preview-action",
@@ -104,127 +62,9 @@ def run_application_preview_action(
     db: DbSession,
     current_user: CurrentUser,
 ) -> ExpenseApplicationPreviewActionResponse:
-    context_json = build_trusted_expense_application_context(
-        current_user,
-        payload.context_json,
-    )
-    if payload.action_type == "save_draft":
-        context_json["application_action"] = "save_draft"
-        context_json["application_save_mode"] = True
-    elif payload.action_type == "submit":
-        context_json.pop("application_action", None)
-        context_json.pop("application_save_mode", None)
-    run_id = f"application-preview-action:{payload.conversation_id or current_user.username}"
-    request = UserAgentRequest(
-        run_id=run_id,
-        user_id=current_user.username or current_user.name,
-        message=payload.message,
-        ontology=OntologyParseResult(
-            scenario="expense",
-            intent="operate",
-            permission=OntologyPermission(
-                level="approval_required",
-                allowed=True,
-                reason="application preview fast action",
-            ),
-            confidence=1.0,
-            run_id=run_id,
-        ),
-        context_json=context_json,
-        tool_payload={},
-        selected_capability_codes=[],
-        degraded=False,
-        requires_confirmation=False,
-    )
     try:
-        user_agent_service = UserAgentService(db)
+        return ExpenseApplicationPreviewWorkflow(db).execute(payload, current_user)
-        facts = user_agent_service._resolve_expense_application_facts(request)
-        resolved_step = user_agent_service._resolve_expense_application_step(request, facts)
-        resolved_action = "save_draft" if resolved_step == "draft" else "submit"
-        if payload.action_type and payload.action_type != resolved_action:
-            raise ValueError("动作类型与申请内容不一致。")
-        preview_decision_service = ExpenseApplicationPreviewDecisionService(db)
-        preview_decision = None
-        if payload.decision_id:
-            preview_decision = preview_decision_service.require_for_action(
-                payload.decision_id,
-                current_user,
-                conversation_id=payload.conversation_id or "",
-                request_id=payload.request_id or "",
-                action_type=resolved_action,
-                final_values=facts,
-            )
-        else:
-            preview_decision_service.reject_active_decision_bypass(
-                current_user,
-                conversation_id=payload.conversation_id or "",
-            )
-        consumed_preview_decision_id = preview_decision.id if preview_decision is not None else ""
-        user_agent_response = user_agent_service._build_expense_application_response(
-            request,
-            risk_flags=[],
-            learning_current_user=current_user,
-            learning_preview_decision=preview_decision,
-            learning_action_request_id=payload.request_id or "",
-        )
     except PreviewDecisionConflictError as error:
-        db.rollback()
         raise HTTPException(status_code=status.HTTP_409_CONFLICT, detail=str(error)) from error
     except ValueError as error:
-        db.rollback()
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(error)) from error
-
-    next_preview_decision = None
-    if (
-        preview_decision is not None
-        and resolved_action == "save_draft"
-        and user_agent_response.draft_payload is not None
-    ):
-        try:
-            next_preview_decision = (
-                ExpenseApplicationPreviewDecisionService(db)
-                .issue(
-                    facts,
-                    current_user,
-                    conversation_id=payload.conversation_id or "",
-                    request_id=(f"next:{consumed_preview_decision_id}:{payload.request_id or ''}")[
-                        :120
-                    ],
-                    decision_source="server_draft",
-                )
-                .decision
-            )
-            db.commit()
-            db.refresh(next_preview_decision)
-        except Exception as error:
-            # 业务动作已经在 UserAgent 内提交；续签仅是派生能力，失败不能反转成功结果。
-            db.rollback()
-            next_preview_decision = None
-            logger.warning(
-                "费用申请草稿已保存，但后续预览决策签发失败：decision_id=%s error_type=%s",
-                consumed_preview_decision_id,
-                type(error).__name__,
-            )
-
-    return ExpenseApplicationPreviewActionResponse(
-        status="succeeded",
-        conversation_id=payload.conversation_id,
-        result=ExpenseApplicationPreviewActionResult(
-            message=user_agent_response.answer,
-            answer=user_agent_response.answer,
-            suggested_actions=[
-                action.model_dump(mode="json") for action in user_agent_response.suggested_actions
-            ],
-            risk_flags=user_agent_response.risk_flags,
-            requires_confirmation=user_agent_response.requires_confirmation,
-            draft_payload=(
-                user_agent_response.draft_payload.model_dump(mode="json")
-                if user_agent_response.draft_payload is not None
-                else None
-            ),
-            decision_id=(next_preview_decision.id if next_preview_decision is not None else None),
-            decision_expires_at=(
-                next_preview_decision.expires_at if next_preview_decision is not None else None
-            ),
-        ),
-    )

server/src/app/api/v1/endpoints/orchestrator.py

@@ -5,7 +5,12 @@ from typing import Annotated
 from fastapi import APIRouter, Depends, HTTPException, Query, status
 from sqlalchemy.orm import Session
 
-from app.api.deps import get_db
+from app.api.deps import (
+    CurrentUserContext,
+    get_current_user,
+    get_db,
+    get_optional_current_user,
+)
 from app.schemas.common import ErrorResponse
 from app.schemas.orchestrator import (
     ConversationDeleteResponse,
@@ -18,6 +23,11 @@ from app.services.orchestrator import OrchestratorService
 
 router = APIRouter(prefix="/orchestrator")
 DbSession = Annotated[Session, Depends(get_db)]
+CurrentUser = Annotated[CurrentUserContext, Depends(get_current_user)]
+OptionalCurrentUser = Annotated[
+    CurrentUserContext | None,
+    Depends(get_optional_current_user),
+]
 
 
 @router.post(
@@ -32,9 +42,24 @@ DbSession = Annotated[Session, Depends(get_db)]
         }
     },
 )
-def run_orchestrator(payload: OrchestratorRequest, db: DbSession) -> OrchestratorResponse:
+def run_orchestrator(
+    payload: OrchestratorRequest,
+    db: DbSession,
+    current_user: OptionalCurrentUser,
+) -> OrchestratorResponse:
+    if current_user is None:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="请先登录后再使用智能助手。",
+            headers={"WWW-Authenticate": "Bearer"},
+        )
+    if payload.source in {"schedule", "system_event"} and not current_user.is_admin:
+        raise HTTPException(
+            status_code=status.HTTP_403_FORBIDDEN,
+            detail="只有平台管理员可以从外部触发调度或系统事件。",
+        )
     try:
-        return OrchestratorService(db).run(payload)
+        return OrchestratorService(db).run(payload, current_user=current_user)
     except ValueError as exc:
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(exc)) from exc
 
@@ -46,14 +71,25 @@ def run_orchestrator(payload: OrchestratorRequest, db: DbSession) -> Orchestrato
     description="返回当前用户最近一段可恢复的对话会话及完整消息历史。",
 )
 def get_latest_conversation(
-    user_id: Annotated[str, Query(min_length=1, description="当前用户 ID。")],
     db: DbSession,
-    session_type: Annotated[str | None, Query(description="会话类型，例如 expense / knowledge。")] = None,
+    current_user: CurrentUser,
-    prefer_recoverable: Annotated[bool, Query(description="是否优先返回最近一条可恢复的会话。")] = False,
+    user_id: Annotated[
+        str | None,
+        Query(description="兼容旧客户端；服务端始终使用当前登录用户。"),
+    ] = None,
+    session_type: Annotated[
+        str | None,
+        Query(description="会话类型，例如 expense / knowledge。"),
+    ] = None,
+    prefer_recoverable: Annotated[
+        bool,
+        Query(description="是否优先返回最近一条可恢复的会话。"),
+    ] = False,
 ) -> ConversationLookupResponse:
     service = AgentConversationService(db)
     conversation = service.get_latest_conversation_for_user(
-        user_id=user_id,
+        user_id=current_user.username,
+        tenant_id=current_user.tenant_id,
         source="user_message",
         session_type=session_type,
         prefer_recoverable=prefer_recoverable,
@@ -75,12 +111,18 @@ def get_latest_conversation(
 )
 def delete_single_conversation(
     conversation_id: str,
-    user_id: Annotated[str, Query(min_length=1, description="当前用户 ID。")],
     db: DbSession,
+    current_user: CurrentUser,
+    user_id: Annotated[
+        str | None,
+        Query(description="兼容旧客户端；服务端始终使用当前登录用户。"),
+    ] = None,
 ) -> ConversationDeleteResponse:
+    del user_id
     deleted_count = AgentConversationService(db).delete_conversation(
         conversation_id=conversation_id,
-        user_id=user_id,
+        user_id=current_user.username,
+        tenant_id=current_user.tenant_id,
         source="user_message",
     )
     return ConversationDeleteResponse(deleted_count=deleted_count)
@@ -93,12 +135,20 @@ def delete_single_conversation(
     description="删除当前用户在智能体工作台中的全部历史会话，用于显式开启全新对话。",
 )
 def delete_user_conversations(
-    user_id: Annotated[str, Query(min_length=1, description="当前用户 ID。")],
     db: DbSession,
-    session_type: Annotated[str | None, Query(description="可选，会话类型，例如 expense / knowledge。")] = None,
+    current_user: CurrentUser,
+    user_id: Annotated[
+        str | None,
+        Query(description="兼容旧客户端；服务端始终使用当前登录用户。"),
+    ] = None,
+    session_type: Annotated[
+        str | None,
+        Query(description="可选，会话类型，例如 expense / knowledge。"),
+    ] = None,
 ) -> ConversationDeleteResponse:
     deleted_count = AgentConversationService(db).delete_user_conversations(
-        user_id=user_id,
+        user_id=current_user.username,
+        tenant_id=current_user.tenant_id,
         source="user_message",
         session_type=session_type,
     )

server/src/app/schemas/steward.py

@@ -160,7 +160,16 @@ class StewardActionExecuteRequest(BaseModel):
     action_step: StewardActionStep | None = Field(default=None, description="规划侧生成的动作步骤快照。")
     confirmed: bool = Field(default=False, description="用户是否已确认执行该动作。")
     context_json: dict[str, Any] = Field(default_factory=dict, description="前端或运行时补充上下文。")
-    client_trace_id: str = Field(default="", description="前端幂等或追踪 ID。")
+    client_trace_id: str = Field(
+        default="",
+        max_length=120,
+        description="前端稳定幂等 ID；申请预览签发、保存和提交动作必须显式提供。",
+    )
+    decision_id: str = Field(
+        default="",
+        max_length=36,
+        description="服务端签发的申请预览决策 ID；保存和提交申请时必须显式提供。",
+    )
 
 
 class StewardActionExecuteResponse(BaseModel):

server/src/app/services/agent_conversations.py

@@ -11,6 +11,7 @@ from app.models.agent_conversation import AgentConversation, AgentConversationMe
 from app.services.settings import SettingsService
 
 STATEFUL_CONTEXT_KEYS = (
+    "tenant_id",
     "session_type",
     "entry_source",
     "request_context",
@@ -21,6 +22,7 @@ STATEFUL_CONTEXT_KEYS = (
     "review_form_values",
     "steward_state",
     "business_time_context",
+    "application_preview_decision",
 )
 REVIEW_FLOW_CONTEXT_KEYS = {
     "draft_claim_id",
@@ -83,12 +85,18 @@ class AgentConversationService:
 
         normalized_id = str(conversation_id or "").strip()
         normalized_user_id = str(user_id or "").strip() or None
+        incoming_tenant_id = self._normalize_tenant_id(context_json.get("tenant_id"))
         incoming_session_type = str(context_json.get("session_type") or "").strip() or "expense"
         incoming_draft_claim_id = self._resolve_draft_claim_id(context_json)
         conversation = self.get_conversation(normalized_id) if normalized_id else None
         if conversation is not None and conversation.user_id != normalized_user_id:
             normalized_id = ""
             conversation = None
+        if conversation is not None and incoming_tenant_id:
+            existing_tenant_id = self._conversation_tenant_id(conversation)
+            if existing_tenant_id != incoming_tenant_id:
+                normalized_id = ""
+                conversation = None
         if conversation is not None:
             existing_session_type = str((conversation.state_json or {}).get("session_type") or "").strip() or "expense"
             if existing_session_type != incoming_session_type:
@@ -189,6 +197,7 @@ class AgentConversationService:
         self,
         *,
         user_id: str | None,
+        tenant_id: str | None = None,
         source: str | None = "user_message",
         session_type: str | None = None,
         prefer_recoverable: bool = False,
@@ -204,6 +213,13 @@ class AgentConversationService:
             stmt = stmt.where(AgentConversation.source == source)
         stmt = stmt.order_by(AgentConversation.updated_at.desc(), AgentConversation.created_at.desc())
         conversations = list(self.db.scalars(stmt).all())
+        normalized_tenant_id = self._normalize_tenant_id(tenant_id)
+        if normalized_tenant_id:
+            conversations = [
+                conversation
+                for conversation in conversations
+                if self._conversation_tenant_id(conversation) == normalized_tenant_id
+            ]
         normalized_session_type = str(session_type or "").strip()
         if not normalized_session_type:
             return conversations[0] if conversations else None
@@ -448,6 +464,7 @@ class AgentConversationService:
         self,
         *,
         user_id: str | None,
+        tenant_id: str | None = None,
         source: str | None = "user_message",
         session_type: str | None = None,
     ) -> int:
@@ -459,6 +476,13 @@ class AgentConversationService:
         if source:
             stmt = stmt.where(AgentConversation.source == source)
         conversations = list(self.db.scalars(stmt).all())
+        normalized_tenant_id = self._normalize_tenant_id(tenant_id)
+        if normalized_tenant_id:
+            conversations = [
+                conversation
+                for conversation in conversations
+                if self._conversation_tenant_id(conversation) == normalized_tenant_id
+            ]
         normalized_session_type = str(session_type or "").strip()
         if normalized_session_type:
             conversations = [
@@ -513,6 +537,7 @@ class AgentConversationService:
         *,
         conversation_id: str | None,
         user_id: str | None = None,
+        tenant_id: str | None = None,
         source: str | None = "user_message",
     ) -> int:
         normalized_id = str(conversation_id or "").strip()
@@ -527,6 +552,13 @@ class AgentConversationService:
         if normalized_user_id and str(conversation.user_id or "").strip() != normalized_user_id:
             return 0
 
+        normalized_tenant_id = self._normalize_tenant_id(tenant_id)
+        if (
+            normalized_tenant_id
+            and self._conversation_tenant_id(conversation) != normalized_tenant_id
+        ):
+            return 0
+
         normalized_source = str(source or "").strip()
         if normalized_source and str(conversation.source or "").strip() != normalized_source:
             return 0
@@ -609,6 +641,14 @@ class AgentConversationService:
             return len(value) == 0
         return False
 
+    @staticmethod
+    def _normalize_tenant_id(value: Any) -> str:
+        return str(value or "").strip()
+
+    @classmethod
+    def _conversation_tenant_id(cls, conversation: AgentConversation) -> str:
+        return cls._normalize_tenant_id((conversation.state_json or {}).get("tenant_id"))
+
     @staticmethod
     def _resolve_title(context_json: dict[str, Any]) -> str | None:
         request_context = context_json.get("request_context")

server/src/app/services/expense_application_preview_decisions.py

@@ -9,6 +9,7 @@ from sqlalchemy.orm import Session
 
 from app.api.deps import CurrentUserContext
 from app.models.ai_application_preview import AIApplicationPreviewDecision
+from app.models.auth_session import AuthSession
 from app.models.expense_case import BusinessEvent
 from app.models.financial_record import ExpenseClaim
 from app.services.expense_application_snapshot import (
@@ -51,6 +52,13 @@ class ExpenseApplicationPreviewDecisionService:
         tenant_id = ExpenseCaseService.normalize_tenant_id(current_user.tenant_id)
         actor_id = self._actor_id(current_user)
         auth_session_id = self._auth_session_id(current_user)
+        # 真实 Bearer 会话存在时锁住会话行，串行化同一登录会话内的并发签发，
+        # 避免两个不同 request_id 同时越过 active snapshot 查询。
+        self.db.scalar(
+            select(AuthSession.id)
+            .where(AuthSession.id == auth_session_id)
+            .with_for_update()
+        )
         normalized_request_id = self._required_text(request_id, "预览签发请求 ID", 120)
         values = safe_fact_snapshot(facts)
         if not values.get("time") and not values.get("location") and not values.get("reason"):
@@ -75,16 +83,39 @@ class ExpenseApplicationPreviewDecisionService:
             return IssuedPreviewDecision(existing, preview_response_fields(facts))
 
         now = datetime.now(UTC)
-        source = decision_source or self._decision_source(facts)
+        normalized_conversation_id = str(conversation_id or "").strip()[:120]
         snapshot_fingerprint = hmac_fingerprint(
             values,
             key_version=FINGERPRINT_KEY_VERSION,
         )
+        active_same_snapshot = self.db.scalar(
+            select(AIApplicationPreviewDecision)
+            .where(
+                AIApplicationPreviewDecision.tenant_id == tenant_id,
+                AIApplicationPreviewDecision.actor_id == actor_id,
+                AIApplicationPreviewDecision.auth_session_id == auth_session_id,
+                AIApplicationPreviewDecision.conversation_id == normalized_conversation_id,
+                AIApplicationPreviewDecision.status == "issued",
+                AIApplicationPreviewDecision.expires_at > now,
+                AIApplicationPreviewDecision.fingerprint_key_version
+                == FINGERPRINT_KEY_VERSION,
+                AIApplicationPreviewDecision.snapshot_fingerprint == snapshot_fingerprint,
+            )
+            .order_by(AIApplicationPreviewDecision.created_at.desc())
+            .with_for_update()
+        )
+        if active_same_snapshot is not None:
+            return IssuedPreviewDecision(
+                active_same_snapshot,
+                preview_response_fields(facts),
+            )
+
+        source = decision_source or self._decision_source(facts)
         decision = AIApplicationPreviewDecision(
             tenant_id=tenant_id,
             actor_id=actor_id,
             auth_session_id=auth_session_id,
-            conversation_id=str(conversation_id or "").strip()[:120],
+            conversation_id=normalized_conversation_id,
             decision_type="expense_application_prefill",
             decision_source=source,
             field_keys_json=sorted(values),

server/src/app/services/expense_application_preview_workflow.py

@@ -0,0 +1,222 @@
+from __future__ import annotations
+
+import logging
+
+from sqlalchemy.orm import Session
+
+from app.api.deps import CurrentUserContext
+from app.schemas.expense_application_preview import (
+    ExpenseApplicationPreviewDecisionCreate,
+    ExpenseApplicationPreviewDecisionRead,
+)
+from app.schemas.ontology import OntologyParseResult, OntologyPermission
+from app.schemas.reimbursement import (
+    ExpenseApplicationPreviewActionPayload,
+    ExpenseApplicationPreviewActionResponse,
+    ExpenseApplicationPreviewActionResult,
+)
+from app.schemas.user_agent import UserAgentRequest
+from app.services.expense_application_preview_decisions import (
+    ExpenseApplicationPreviewDecisionService,
+    PreviewDecisionConflictError,
+)
+from app.services.expense_application_request_context import (
+    build_trusted_expense_application_context,
+)
+from app.services.user_agent import UserAgentService
+
+logger = logging.getLogger(__name__)
+
+
+class ExpenseApplicationPreviewWorkflow:
+    """编排费用申请预览的签发、消费和草稿续签。"""
+
+    def __init__(self, db: Session) -> None:
+        self.db = db
+
+    def issue(
+        self,
+        payload: ExpenseApplicationPreviewDecisionCreate,
+        current_user: CurrentUserContext,
+    ) -> ExpenseApplicationPreviewDecisionRead:
+        run_id = f"application-preview-decision:{payload.request_id}"
+        request = UserAgentRequest(
+            run_id=run_id,
+            user_id=current_user.username or current_user.name,
+            message=payload.message,
+            ontology=OntologyParseResult(run_id=run_id),
+            context_json=build_trusted_expense_application_context(current_user),
+            tool_payload={},
+            selected_capability_codes=[],
+            degraded=False,
+            requires_confirmation=False,
+        )
+        try:
+            facts = UserAgentService(self.db)._resolve_expense_application_facts(request)
+            issued = ExpenseApplicationPreviewDecisionService(self.db).issue(
+                facts,
+                current_user,
+                conversation_id=payload.conversation_id or "",
+                request_id=payload.request_id,
+            )
+            self.db.commit()
+            self.db.refresh(issued.decision)
+        except (PreviewDecisionConflictError, ValueError):
+            self.db.rollback()
+            raise
+
+        return ExpenseApplicationPreviewDecisionRead(
+            decision_id=issued.decision.id,
+            decision_source=issued.decision.decision_source,
+            expires_at=issued.decision.expires_at,
+            application_preview={
+                "fields": issued.fields,
+                "decisionId": issued.decision.id,
+                "decisionSource": issued.decision.decision_source,
+                "decisionExpiresAt": issued.decision.expires_at.isoformat(),
+            },
+        )
+
+    def execute(
+        self,
+        payload: ExpenseApplicationPreviewActionPayload,
+        current_user: CurrentUserContext,
+    ) -> ExpenseApplicationPreviewActionResponse:
+        request = self._build_action_request(payload, current_user)
+        try:
+            user_agent_service = UserAgentService(self.db)
+            facts = user_agent_service._resolve_expense_application_facts(request)
+            resolved_step = user_agent_service._resolve_expense_application_step(request, facts)
+            resolved_action = "save_draft" if resolved_step == "draft" else "submit"
+            if payload.action_type and payload.action_type != resolved_action:
+                raise ValueError("动作类型与申请内容不一致。")
+
+            preview_decision_service = ExpenseApplicationPreviewDecisionService(self.db)
+            preview_decision = None
+            if payload.decision_id:
+                preview_decision = preview_decision_service.require_for_action(
+                    payload.decision_id,
+                    current_user,
+                    conversation_id=payload.conversation_id or "",
+                    request_id=payload.request_id or "",
+                    action_type=resolved_action,
+                    final_values=facts,
+                )
+            else:
+                preview_decision_service.reject_active_decision_bypass(
+                    current_user,
+                    conversation_id=payload.conversation_id or "",
+                )
+
+            consumed_preview_decision_id = (
+                preview_decision.id if preview_decision is not None else ""
+            )
+            user_agent_response = user_agent_service._build_expense_application_response(
+                request,
+                risk_flags=[],
+                learning_current_user=current_user,
+                learning_preview_decision=preview_decision,
+                learning_action_request_id=payload.request_id or "",
+            )
+        except (PreviewDecisionConflictError, ValueError):
+            self.db.rollback()
+            raise
+
+        next_preview_decision = None
+        if (
+            preview_decision is not None
+            and resolved_action == "save_draft"
+            and user_agent_response.draft_payload is not None
+        ):
+            try:
+                next_preview_decision = (
+                    ExpenseApplicationPreviewDecisionService(self.db)
+                    .issue(
+                        facts,
+                        current_user,
+                        conversation_id=payload.conversation_id or "",
+                        request_id=(
+                            f"next:{consumed_preview_decision_id}:{payload.request_id or ''}"
+                        )[:120],
+                        decision_source="server_draft",
+                    )
+                    .decision
+                )
+                self.db.commit()
+                self.db.refresh(next_preview_decision)
+            except Exception as error:
+                # 主业务动作已提交；续签失败只能降级，不能反转保存草稿结果。
+                self.db.rollback()
+                next_preview_decision = None
+                logger.warning(
+                    "费用申请草稿已保存，但后续预览决策签发失败：decision_id=%s error_type=%s",
+                    consumed_preview_decision_id,
+                    type(error).__name__,
+                )
+
+        return ExpenseApplicationPreviewActionResponse(
+            status="succeeded",
+            conversation_id=payload.conversation_id,
+            result=ExpenseApplicationPreviewActionResult(
+                message=user_agent_response.answer,
+                answer=user_agent_response.answer,
+                suggested_actions=[
+                    action.model_dump(mode="json")
+                    for action in user_agent_response.suggested_actions
+                ],
+                risk_flags=user_agent_response.risk_flags,
+                requires_confirmation=user_agent_response.requires_confirmation,
+                draft_payload=(
+                    user_agent_response.draft_payload.model_dump(mode="json")
+                    if user_agent_response.draft_payload is not None
+                    else None
+                ),
+                decision_id=(
+                    next_preview_decision.id if next_preview_decision is not None else None
+                ),
+                decision_expires_at=(
+                    next_preview_decision.expires_at
+                    if next_preview_decision is not None
+                    else None
+                ),
+            ),
+        )
+
+    @staticmethod
+    def _build_action_request(
+        payload: ExpenseApplicationPreviewActionPayload,
+        current_user: CurrentUserContext,
+    ) -> UserAgentRequest:
+        context_json = build_trusted_expense_application_context(
+            current_user,
+            payload.context_json,
+        )
+        if payload.action_type == "save_draft":
+            context_json["application_action"] = "save_draft"
+            context_json["application_save_mode"] = True
+        elif payload.action_type == "submit":
+            context_json.pop("application_action", None)
+            context_json.pop("application_save_mode", None)
+
+        run_id = f"application-preview-action:{payload.conversation_id or current_user.username}"
+        return UserAgentRequest(
+            run_id=run_id,
+            user_id=current_user.username or current_user.name,
+            message=payload.message,
+            ontology=OntologyParseResult(
+                scenario="expense",
+                intent="operate",
+                permission=OntologyPermission(
+                    level="approval_required",
+                    allowed=True,
+                    reason="application preview fast action",
+                ),
+                confidence=1.0,
+                run_id=run_id,
+            ),
+            context_json=context_json,
+            tool_payload={},
+            selected_capability_codes=[],
+            degraded=False,
+            requires_confirmation=False,
+        )

server/src/app/services/orchestrator.py

@@ -6,6 +6,7 @@ from typing import Any
 
 from sqlalchemy.orm import Session
 
+from app.api.deps import CurrentUserContext
 from app.core.agent_enums import (
     AgentAssetStatus,
     AgentAssetType,
@@ -25,21 +26,24 @@ from app.schemas.orchestrator import (
 from app.schemas.user_agent import UserAgentRequest
 from app.services.agent_assets import AgentAssetService
 from app.services.agent_conversations import AgentConversationService
-from app.services.auth import AuthService
-from app.services.expense_claims import ExpenseClaimService
 from app.services.agent_foundation import AgentFoundationService
 from app.services.agent_runs import AgentRunService
 from app.services.agent_traces import AgentTraceService
+from app.services.auth import AuthService
+from app.services.expense_claims import ExpenseClaimService
 from app.services.knowledge import KnowledgeService
 from app.services.ontology import SemanticOntologyService
 from app.services.orchestrator_execution import ExecutionOutcome, OrchestratorExecutionEngine
+from app.services.orchestrator_expense_application_workflow import (
+    OrchestratorExpenseApplicationWorkflow,
+)
 from app.services.orchestrator_expense_query import OrchestratorDatabaseQueryBuilder
+from app.services.user_agent import UserAgentService
 from app.services.user_agent_application import (
     APPLICATION_CONTEXT_VALUES,
     APPLICATION_SHORT_CONFIRMATIONS,
     APPLICATION_SUBMIT_KEYWORDS,
 )
-from app.services.user_agent import UserAgentService
 
 logger = get_logger("app.services.orchestrator")
 
@@ -51,6 +55,7 @@ SCENARIO_TO_DOMAIN = {
     "unknown": "system",
 }
 
+
 class OrchestratorService:
     def __init__(self, db: Session) -> None:
         self.db = db
@@ -62,6 +67,7 @@ class OrchestratorService:
         self.trace_service = AgentTraceService(db)
         self.ontology_service = SemanticOntologyService(db)
         self.user_agent_service = UserAgentService(db)
+        self.expense_application_workflow = OrchestratorExpenseApplicationWorkflow(db)
         self.database_query_builder = OrchestratorDatabaseQueryBuilder(db)
         self.execution_engine = OrchestratorExecutionEngine(
             db=db,
@@ -73,7 +79,14 @@ class OrchestratorService:
             trace_service=self.trace_service,
         )
 
-    def run(self, payload: OrchestratorRequest) -> OrchestratorResponse:
+    def run(
+        self,
+        payload: OrchestratorRequest,
+        *,
+        current_user: CurrentUserContext | None = None,
+    ) -> OrchestratorResponse:
+        if current_user is not None:
+            payload = self._build_authenticated_user_payload(payload, current_user)
         AgentFoundationService(self.db).ensure_foundation_ready()
         context_json = self._hydrate_user_context(
             user_id=payload.user_id,
@@ -230,6 +243,24 @@ class OrchestratorService:
                 route_json["task_code"] = task_asset.code
                 route_json["task_name"] = task_asset.name
 
+            authenticated_application_outcome = None
+            if (
+                is_expense_application_context
+                and current_user is not None
+                and ontology.permission.level != AgentPermissionLevel.FORBIDDEN.value
+            ):
+                authenticated_application_outcome = (
+                    self.expense_application_workflow.execute(
+                        payload=payload,
+                        current_user=current_user,
+                        run_id=run.run_id,
+                        conversation_id=conversation_id,
+                        ontology=ontology,
+                        context_json=context_json,
+                        selected_capability_codes=selected_capability_codes,
+                    )
+                )
+
             if ontology.permission.level == AgentPermissionLevel.FORBIDDEN.value:
                 outcome = ExecutionOutcome(
                     status=AgentRunStatus.BLOCKED.value,
@@ -246,6 +277,11 @@ class OrchestratorService:
                 route_reason = "permission_forbidden"
                 route_json["stage"] = "blocked"
                 route_json["route_reason"] = route_reason
+            elif authenticated_application_outcome is not None:
+                outcome = authenticated_application_outcome
+                route_reason = "authenticated_application_preview_workflow"
+                route_json["stage"] = "application_preview_workflow"
+                route_json["route_reason"] = route_reason
             elif ontology.clarification_required:
                 if selected_agent == AgentName.USER_AGENT.value and ontology.scenario == "expense":
                     clarification_response = self.user_agent_service.respond(
@@ -502,6 +538,54 @@ class OrchestratorService:
                 ),
             )
 
+    @staticmethod
+    def _build_authenticated_user_payload(
+        payload: OrchestratorRequest,
+        current_user: CurrentUserContext,
+    ) -> OrchestratorRequest:
+        """用登录态覆盖所有身份字段，并丢弃客户端伪造的可信预览状态。"""
+        context_json = dict(payload.context_json or {})
+        for key in (
+            "application_preview",
+            "application_preview_decision",
+            "decision_id",
+            "preview_decision_id",
+            "auth_session_id",
+            "requested_by_username",
+            "requested_by_name",
+            "actor",
+            "actor_id",
+        ):
+            context_json.pop(key, None)
+        context_json.update(
+            {
+                "tenant_id": current_user.tenant_id,
+                "role_codes": list(current_user.role_codes),
+                "is_admin": current_user.is_admin,
+                "username": current_user.username,
+                "user_id": current_user.username,
+                "name": current_user.name,
+                "department": current_user.department_name,
+                "department_name": current_user.department_name,
+                "cost_center": current_user.cost_center,
+                "position": current_user.position,
+                "grade": current_user.grade,
+                "employee_no": current_user.employee_no,
+                "employee_id": current_user.employee_id,
+                "manager_name": current_user.manager_name,
+                "requested_by_username": current_user.username,
+                "requested_by_name": current_user.name,
+                "actor": current_user.username,
+                "actor_id": current_user.username,
+            }
+        )
+        return payload.model_copy(
+            update={
+                "user_id": current_user.username,
+                "context_json": context_json,
+            }
+        )
+
     def _record_trace_event(self, **kwargs: Any) -> None:
         self.trace_service.record_event_safe(**kwargs)
 

server/src/app/services/orchestrator_expense_application_workflow.py

@@ -0,0 +1,358 @@
+from __future__ import annotations
+
+import re
+from typing import Any
+
+from sqlalchemy.orm import Session
+
+from app.api.deps import CurrentUserContext
+from app.core.agent_enums import AgentRunStatus
+from app.schemas.expense_application_preview import ExpenseApplicationPreviewDecisionCreate
+from app.schemas.ontology import OntologyParseResult
+from app.schemas.orchestrator import OrchestratorRequest
+from app.schemas.reimbursement import ExpenseApplicationPreviewActionPayload
+from app.schemas.user_agent import UserAgentRequest
+from app.services.expense_application_preview_decisions import PreviewDecisionConflictError
+from app.services.expense_application_preview_workflow import ExpenseApplicationPreviewWorkflow
+from app.services.expense_application_snapshot import (
+    canonical_preview_fields,
+    content_fingerprint,
+    preview_response_fields,
+    safe_fact_snapshot,
+)
+from app.services.orchestrator_execution import ExecutionOutcome, OrchestratorExecutionEngine
+from app.services.user_agent import UserAgentService
+from app.services.user_agent_application import (
+    APPLICATION_SAVE_DRAFT_KEYWORDS,
+    APPLICATION_SHORT_CONFIRMATIONS,
+    APPLICATION_SUBMIT_KEYWORDS,
+)
+
+
+class OrchestratorExpenseApplicationWorkflow:
+    """为通用 Orchestrator 提供认证的申请预览签发、消费和会话状态编排。"""
+
+    def __init__(self, db: Session) -> None:
+        self.db = db
+        self.user_agent_service = UserAgentService(db)
+
+    def execute(
+        self,
+        *,
+        payload: OrchestratorRequest,
+        current_user: CurrentUserContext,
+        run_id: str,
+        conversation_id: str | None,
+        ontology: OntologyParseResult,
+        context_json: dict[str, Any],
+        selected_capability_codes: list[str],
+    ) -> ExecutionOutcome | None:
+        application_context = dict(context_json or {})
+        decision_state = self._resolve_decision_state(application_context)
+        # 申请事实只允许来自服务端会话历史、当前输入和登录态，不能反向信任客户端 preview。
+        application_context.pop("application_preview", None)
+        application_context.pop("application_preview_decision", None)
+        request = UserAgentRequest(
+            run_id=run_id,
+            user_id=current_user.username,
+            message=payload.message or "",
+            ontology=ontology,
+            context_json=application_context,
+            tool_payload={},
+            selected_capability_codes=selected_capability_codes,
+            degraded=False,
+            requires_confirmation=False,
+        )
+        facts = self.user_agent_service._resolve_expense_application_facts(request)
+        step = self.user_agent_service._resolve_expense_application_step(request, facts)
+        requested_action = self._resolve_requested_action(payload.message, decision_state)
+        if requested_action:
+            decision_preview = decision_state.get("application_preview")
+            if isinstance(decision_preview, dict):
+                for key, value in canonical_preview_fields(decision_preview).items():
+                    if not str(facts.get(key) or "").strip():
+                        facts[key] = value
+            step = "draft" if requested_action == "save_draft" else "submitted"
+        if step not in {"preview", "draft", "submitted"}:
+            return None
+
+        current_preview = {"fields": preview_response_fields(facts)}
+        if step == "preview":
+            return self._issue_or_refresh_preview(
+                request=request,
+                facts=facts,
+                decision_state=decision_state,
+                current_preview=current_preview,
+                current_user=current_user,
+                conversation_id=conversation_id,
+                context_json=context_json,
+            )
+        return self._execute_action(
+            payload=payload,
+            current_user=current_user,
+            conversation_id=conversation_id,
+            application_context=application_context,
+            context_json=context_json,
+            decision_state=decision_state,
+            current_preview=current_preview,
+            facts=facts,
+            step=step,
+        )
+
+    def _issue_or_refresh_preview(
+        self,
+        *,
+        request: UserAgentRequest,
+        facts: dict[str, Any],
+        decision_state: dict[str, Any],
+        current_preview: dict[str, Any],
+        current_user: CurrentUserContext,
+        conversation_id: str | None,
+        context_json: dict[str, Any],
+    ) -> ExecutionOutcome:
+        preview_response = self.user_agent_service._build_expense_application_response(
+            request,
+            risk_flags=[],
+        )
+        result = OrchestratorExecutionEngine._build_user_agent_result(
+            preview_response,
+            degraded=False,
+        )
+        if self._is_issued_state(decision_state):
+            issued_preview = {
+                **current_preview,
+                "decisionId": str(decision_state.get("decision_id") or "").strip(),
+                "decisionSource": str(decision_state.get("decision_source") or "").strip(),
+                "decisionExpiresAt": str(decision_state.get("expires_at") or "").strip(),
+            }
+            decision_id = issued_preview["decisionId"]
+            decision_source = issued_preview["decisionSource"]
+            expires_at = issued_preview["decisionExpiresAt"]
+        else:
+            issue_response = ExpenseApplicationPreviewWorkflow(self.db).issue(
+                ExpenseApplicationPreviewDecisionCreate(
+                    message=self._build_facts_message(facts),
+                    conversation_id=conversation_id,
+                    request_id=self._build_issue_request_id(conversation_id, facts),
+                ),
+                current_user,
+            )
+            issued_preview = dict(issue_response.application_preview or {})
+            decision_id = issue_response.decision_id
+            decision_source = issue_response.decision_source
+            expires_at = issue_response.expires_at.isoformat()
+
+        context_json["application_preview_decision"] = {
+            "status": "issued",
+            "decision_id": decision_id,
+            "decision_source": decision_source,
+            "expires_at": expires_at,
+            "application_preview": issued_preview,
+        }
+        result.update(
+            {
+                "application_preview": issued_preview,
+                "decision_id": decision_id,
+                "decision_source": decision_source,
+                "decision_expires_at": expires_at,
+            }
+        )
+        return ExecutionOutcome(
+            status=AgentRunStatus.SUCCEEDED.value,
+            result=result,
+            degraded=False,
+            tool_count=0,
+            failed_tool_count=0,
+        )
+
+    def _execute_action(
+        self,
+        *,
+        payload: OrchestratorRequest,
+        current_user: CurrentUserContext,
+        conversation_id: str | None,
+        application_context: dict[str, Any],
+        context_json: dict[str, Any],
+        decision_state: dict[str, Any],
+        current_preview: dict[str, Any],
+        facts: dict[str, Any],
+        step: str,
+    ) -> ExecutionOutcome:
+        action_type = "save_draft" if step == "draft" else "submit"
+        decision_id = str(decision_state.get("decision_id") or "").strip()
+        if not self._is_issued_state(decision_state) or not decision_id:
+            context_json["application_preview_decision"] = {"status": "missing"}
+            return self._build_blocked_outcome(
+                "当前申请还没有经过服务端核对，请重新生成申请预览后再继续。"
+            )
+
+        action_preview = {
+            **current_preview,
+            "decisionId": decision_id,
+            "decisionSource": str(decision_state.get("decision_source") or "").strip(),
+            "decisionExpiresAt": str(decision_state.get("expires_at") or "").strip(),
+        }
+        action_context = {**application_context, "application_preview": action_preview}
+        if action_type == "save_draft":
+            action_context["application_action"] = "save_draft"
+            action_context["application_save_mode"] = True
+
+        try:
+            action_response = ExpenseApplicationPreviewWorkflow(self.db).execute(
+                ExpenseApplicationPreviewActionPayload(
+                    source=payload.source,
+                    user_id=current_user.username,
+                    conversation_id=conversation_id,
+                    action_type=action_type,
+                    decision_id=decision_id,
+                    request_id=self._build_action_request_id(decision_id, action_type),
+                    message=self._build_action_message(action_type, facts),
+                    context_json=action_context,
+                ),
+                current_user,
+            )
+        except (PreviewDecisionConflictError, ValueError) as error:
+            context_json["application_preview_decision"] = {
+                "status": "invalid",
+                "reason": str(error),
+            }
+            return self._build_blocked_outcome(str(error))
+
+        result = action_response.result.model_dump(mode="json")
+        result["degraded"] = False
+        next_decision_id = str(action_response.result.decision_id or "").strip()
+        if next_decision_id:
+            self._store_next_decision(
+                context_json=context_json,
+                action_preview=action_preview,
+                decision_id=next_decision_id,
+                expires_at=action_response.result.decision_expires_at,
+                result=result,
+            )
+        else:
+            context_json["application_preview_decision"] = {
+                "status": "consumed",
+                "decision_id": decision_id,
+                "action_type": action_type,
+            }
+        return ExecutionOutcome(
+            status=AgentRunStatus.SUCCEEDED.value,
+            result=result,
+            degraded=False,
+            tool_count=0,
+            failed_tool_count=0,
+        )
+
+    @staticmethod
+    def _store_next_decision(
+        *,
+        context_json: dict[str, Any],
+        action_preview: dict[str, Any],
+        decision_id: str,
+        expires_at: Any,
+        result: dict[str, Any],
+    ) -> None:
+        next_preview = {
+            **action_preview,
+            "decisionId": decision_id,
+            "decisionSource": "server_draft",
+            "decisionExpiresAt": expires_at.isoformat() if expires_at else "",
+        }
+        context_json["application_preview_decision"] = {
+            "status": "issued",
+            "decision_id": decision_id,
+            "decision_source": "server_draft",
+            "expires_at": next_preview["decisionExpiresAt"],
+            "application_preview": next_preview,
+        }
+        result["application_preview"] = next_preview
+
+    @staticmethod
+    def _resolve_decision_state(context_json: dict[str, Any]) -> dict[str, Any]:
+        state = context_json.get("application_preview_decision")
+        if isinstance(state, dict):
+            return dict(state)
+        conversation_state = context_json.get("conversation_state")
+        if isinstance(conversation_state, dict):
+            state = conversation_state.get("application_preview_decision")
+            if isinstance(state, dict):
+                return dict(state)
+        return {}
+
+    @staticmethod
+    def _is_issued_state(state: dict[str, Any]) -> bool:
+        return (
+            str(state.get("status") or "").strip() == "issued"
+            and bool(str(state.get("decision_id") or "").strip())
+        )
+
+    @classmethod
+    def _resolve_requested_action(
+        cls,
+        message: str | None,
+        decision_state: dict[str, Any],
+    ) -> str:
+        if not cls._is_issued_state(decision_state):
+            return ""
+        compact_message = re.sub(r"\s+", "", str(message or ""))
+        if any(keyword in compact_message for keyword in APPLICATION_SAVE_DRAFT_KEYWORDS):
+            return "save_draft"
+        if (
+            any(keyword in compact_message for keyword in APPLICATION_SUBMIT_KEYWORDS)
+            or compact_message in APPLICATION_SHORT_CONFIRMATIONS
+        ):
+            return "submit"
+        return ""
+
+    @staticmethod
+    def _build_facts_message(facts: dict[str, Any]) -> str:
+        labels = (
+            ("application_type", "申请类型"),
+            ("time", "申请时间"),
+            ("location", "地点"),
+            ("reason", "事由"),
+            ("days", "天数"),
+            ("transport_mode", "出行方式"),
+            ("amount", "系统预估费用"),
+        )
+        return "\n".join(
+            f"{label}：{value}"
+            for key, label in labels
+            if (value := str(facts.get(key) or "").strip())
+        )
+
+    @classmethod
+    def _build_action_message(cls, action_type: str, facts: dict[str, Any]) -> str:
+        action_text = "保存草稿" if action_type == "save_draft" else "确认提交"
+        return f"{cls._build_facts_message(facts)}\n\n{action_text}"
+
+    @staticmethod
+    def _build_issue_request_id(
+        conversation_id: str | None,
+        facts: dict[str, Any],
+    ) -> str:
+        fingerprint = content_fingerprint(safe_fact_snapshot(facts)).split(":", 1)[-1][:24]
+        conversation_key = str(conversation_id or "new").strip() or "new"
+        return f"orchestrator-preview:{conversation_key}:{fingerprint}"[:120]
+
+    @staticmethod
+    def _build_action_request_id(decision_id: str, action_type: str) -> str:
+        return f"orchestrator-action:{decision_id}:{action_type}"[:120]
+
+    @staticmethod
+    def _build_blocked_outcome(message: str) -> ExecutionOutcome:
+        normalized_message = str(message or "").strip() or "申请预览状态已失效，请重新生成。"
+        return ExecutionOutcome(
+            status=AgentRunStatus.BLOCKED.value,
+            result={
+                "message": normalized_message,
+                "answer": normalized_message,
+                "suggested_actions": [],
+                "risk_flags": [],
+                "requires_confirmation": True,
+                "degraded": False,
+            },
+            degraded=False,
+            tool_count=0,
+            failed_tool_count=0,
+        )

server/src/app/services/steward_action_executor.py

@@ -6,7 +6,9 @@ from typing import Any
 from sqlalchemy.orm import Session
 
 from app.api.deps import CurrentUserContext
+from app.schemas.expense_application_preview import ExpenseApplicationPreviewDecisionCreate
 from app.schemas.ontology import OntologyParseResult, OntologyPermission
+from app.schemas.reimbursement import ExpenseApplicationPreviewActionPayload
 from app.schemas.steward import (
     StewardActionExecuteRequest,
     StewardActionExecuteResponse,
@@ -14,6 +16,7 @@ from app.schemas.steward import (
 )
 from app.schemas.user_agent import UserAgentRequest
 from app.services.attachment_association_jobs import AttachmentAssociationJobRunner
+from app.services.expense_application_preview_workflow import ExpenseApplicationPreviewWorkflow
 from app.services.expense_claims import ExpenseClaimService
 from app.services.steward_intent_registry import (
     all_noop_actions,
@@ -40,7 +43,6 @@ APPLICATION_SIDE_EFFECT_ACTIONS = {"save_application_draft", "submit_application
 REIMBURSEMENT_SIDE_EFFECT_ACTIONS = {"create_reimbursement_draft", "link_existing_application", "associate_attachments"}
 NOOP_ACTIONS = {
     "fill_application_fields",
-    "build_application_preview",
     "fill_reimbursement_fields",
     "build_reimbursement_preview",
     "validate_required_fields",
@@ -97,7 +99,8 @@ class StewardActionExecutor:
             )
 
         task = request.task
-        noop_actions = NOOP_ACTIONS | all_noop_actions()
+        # 申请预览已经接入服务端决策签发，不得再被注册表中的历史 NOOP 声明吞掉。
+        noop_actions = (NOOP_ACTIONS | all_noop_actions()) - {"build_application_preview"}
         if task is None and action_type not in noop_actions:
             return self._blocked(
                 action_type,
@@ -132,6 +135,8 @@ class StewardActionExecutor:
             return intent.executor(self, request, current_user, trace)
 
         # 兼容回退:注册表未命中时按旧逻辑分发
+        if action_type == "build_application_preview":
+            return self._issue_application_preview(request, current_user, trace)
         if action_type == "run_duplicate_precheck":
             return self._run_duplicate_precheck(request, current_user, trace)
         if action_type in APPLICATION_SIDE_EFFECT_ACTIONS:
@@ -155,10 +160,55 @@ class StewardActionExecutor:
     ) -> StewardActionExecuteResponse:
         """registry 入口:分发申请类副作用动作。"""
         action_type = self._normalize_action_type(request.action_type)
+        if action_type == "build_application_preview":
+            return self._issue_application_preview(request, current_user, trace)
         if action_type == "run_duplicate_precheck":
             return self._run_duplicate_precheck(request, current_user, trace)
         return self._execute_application_action(request, current_user, action_type, trace)
 
+    def _issue_application_preview(
+        self,
+        request: StewardActionExecuteRequest,
+        current_user: CurrentUserContext,
+        trace: list[dict[str, Any]],
+    ) -> StewardActionExecuteResponse:
+        request_id = self._resolve_required_client_trace_id(request)
+        if not request_id:
+            return self._blocked(
+                "build_application_preview",
+                "生成申请核对表需要稳定的 client_trace_id。",
+                blocked_reasons=["missing_client_trace_id"],
+                trace=[*trace, self._trace("blocked", reason="missing_client_trace_id")],
+            )
+
+        try:
+            issued = ExpenseApplicationPreviewWorkflow(self.db).issue(
+                ExpenseApplicationPreviewDecisionCreate(
+                    message=self._resolve_message(request),
+                    conversation_id=request.conversation_id,
+                    request_id=request_id,
+                ),
+                current_user,
+            )
+        except ValueError as exc:
+            return self._failed("build_application_preview", str(exc), trace)
+
+        result_payload = issued.model_dump(mode="json")
+        return StewardActionExecuteResponse(
+            action_type="build_application_preview",
+            status="succeeded",
+            message="申请核对表已生成，请确认后再保存或提交。",
+            result_payload=result_payload,
+            trace=[
+                *trace,
+                self._trace(
+                    "completed",
+                    service="ExpenseApplicationPreviewWorkflow",
+                    decision_id=issued.decision_id,
+                ),
+            ],
+        )
+
     def _dispatch_reimbursement_action(
         self,
         request: StewardActionExecuteRequest,
@@ -236,43 +286,70 @@ class StewardActionExecutor:
                     trace=[*trace, self._trace("blocked", reason="precheck_not_passed")],
                 )
 
-        payload = self._build_application_user_agent_request(
+        decision_id = str(request.decision_id or "").strip()
-            request,
+        if not decision_id:
-            current_user,
+            return self._blocked(
-            action_type=action_type,
+                action_type,
-            force_submit_message=action_type == "submit_application",
+                "保存或提交申请必须携带服务端签发的 decision_id。",
+                blocked_reasons=["missing_decision_id"],
+                trace=[*trace, self._trace("blocked", reason="missing_decision_id")],
+            )
+        request_id = self._resolve_required_client_trace_id(request)
+        if not request_id:
+            return self._blocked(
+                action_type,
+                "保存或提交申请需要稳定的 client_trace_id。",
+                blocked_reasons=["missing_client_trace_id"],
+                trace=[*trace, self._trace("blocked", reason="missing_client_trace_id")],
+            )
+
+        resolved_action = "save_draft" if action_type == "save_application_draft" else "submit"
+        message = self._resolve_message(request)
+        if resolved_action == "submit" and "确认提交" not in message and "直接提交" not in message:
+            message = "\n".join([message, "确认提交"]).strip()
+        if resolved_action == "save_draft" and "保存草稿" not in message:
+            message = "\n".join([message, "保存草稿"]).strip()
+        payload = ExpenseApplicationPreviewActionPayload(
+            source="steward_action",
+            user_id=current_user.username,
+            conversation_id=request.conversation_id,
+            action_type=resolved_action,
+            decision_id=decision_id,
+            request_id=request_id,
+            message=message,
+            context_json=self._build_application_context_json(
+                request,
+                current_user,
+                action_type,
+            ),
         )
         try:
-            user_agent_response = UserAgentService(self.db)._build_expense_application_response(
+            workflow_response = ExpenseApplicationPreviewWorkflow(self.db).execute(
                 payload,
-                risk_flags=[],
+                current_user,
             )
         except ValueError as exc:
             return self._failed(action_type, str(exc), trace)
 
-        draft_payload = (
+        result_payload = workflow_response.result.model_dump(mode="json")
-            user_agent_response.draft_payload.model_dump(mode="json")
+        draft_payload = result_payload.get("draft_payload")
-            if user_agent_response.draft_payload is not None
-            else None
-        )
-        result_payload = {
-            "answer": user_agent_response.answer,
-            "suggested_actions": [
-                action.model_dump(mode="json")
-                for action in user_agent_response.suggested_actions
-            ],
-            "requires_confirmation": user_agent_response.requires_confirmation,
-            "draft_payload": draft_payload,
-        }
         status = "succeeded" if draft_payload is not None else "blocked"
         blocked_reasons = [] if draft_payload is not None else ["application_not_persisted"]
         return StewardActionExecuteResponse(
             action_type=action_type,
             status=status,
-            message=user_agent_response.answer,
+            message=workflow_response.result.message,
             blocked_reasons=blocked_reasons,
             result_payload=result_payload,
-            trace=[*trace, self._trace("completed", service="UserAgentService")],
+            trace=[
+                *trace,
+                self._trace(
+                    "completed",
+                    service="ExpenseApplicationPreviewWorkflow",
+                    decision_id=decision_id,
+                    renewed_decision_id=workflow_response.result.decision_id or "",
+                ),
+            ],
         )
 
     def _execute_reimbursement_action(
@@ -568,6 +645,10 @@ class StewardActionExecutor:
         suffix = task_id or datetime.now(UTC).strftime("%Y%m%d%H%M%S%f")
         return f"steward-action:{action_type}:{suffix}"
 
+    @staticmethod
+    def _resolve_required_client_trace_id(request: StewardActionExecuteRequest) -> str:
+        return str(request.client_trace_id or "").strip()
+
     @staticmethod
     def _trace(stage: str, **extra: Any) -> dict[str, Any]:
         return {

server/src/app/services/steward_graph_action_runtime.py

@@ -14,6 +14,11 @@ from app.services.steward_action_executor import StewardActionExecutor
 
 ACTION_CHECKPOINT_KEY = "steward_action_checkpoint"
 TERMINAL_ACTION_STATUSES = {"succeeded", "blocked", "failed"}
+DECISION_BOUND_APPLICATION_ACTIONS = {
+    "build_application_preview",
+    "save_application_draft",
+    "submit_application",
+}
 
 
 class StewardGraphActionState(TypedDict, total=False):
@@ -171,6 +176,7 @@ class StewardGraphActionRuntime:
             user_id=current_user.username,
             source="user_message",
             context_json={
+                "tenant_id": current_user.tenant_id,
                 "session_type": "steward",
                 "entry_source": "steward_action_executor",
                 "steward_state": dict((request.context_json or {}).get("steward_state") or {}),
@@ -190,6 +196,9 @@ class StewardGraphActionRuntime:
         if trace_id:
             return trace_id
         action_type = str(request.action_type or "").strip()
+        if action_type in DECISION_BOUND_APPLICATION_ACTIONS:
+            # 这些动作的 request_id 同时用于决策签发/消费，禁止生成不可重放的隐式 ID。
+            return ""
         task_id = str(request.task.task_id if request.task is not None else "").strip()
         if action_type and task_id:
             return f"{action_type}:{task_id}"

server/tests/test_expense_application_preview_decisions.py

@@ -198,6 +198,21 @@ def test_server_preview_decision_is_consumed_with_verified_feedback() -> None:
         assert len(list(db.scalars(select(AIDecision)).all())) == 1
 
 
+def test_same_snapshot_with_different_issue_request_reuses_active_decision() -> None:
+    client, session_factory = build_client()
+    with session_factory() as db:
+        seed_employee(db)
+
+    first = issue_preview(client, request_id="issue-preview-same-snapshot-1")
+    second = issue_preview(client, request_id="issue-preview-same-snapshot-2")
+
+    assert second["decision_id"] == first["decision_id"]
+    with session_factory() as db:
+        decisions = list(db.scalars(select(AIApplicationPreviewDecision)).all())
+        assert len(decisions) == 1
+        assert decisions[0].status == "issued"
+
+
 def test_server_preview_decision_detects_server_side_field_edit() -> None:
     client, session_factory = build_client()
     with session_factory() as db:

server/tests/test_orchestrator_auth_endpoints.py

@@ -0,0 +1,407 @@
+from __future__ import annotations
+
+from collections.abc import Generator
+
+import pytest
+from fastapi import FastAPI
+from fastapi.testclient import TestClient
+from sqlalchemy import create_engine, select
+from sqlalchemy.orm import Session, sessionmaker
+from sqlalchemy.pool import StaticPool
+
+from app.api.deps import (
+    CurrentUserContext,
+    get_current_user,
+    get_db,
+    get_optional_current_user,
+)
+from app.db.base import Base
+from app.main import create_app
+from app.models.agent_conversation import AgentConversation
+from app.schemas.orchestrator import (
+    OrchestratorRequest,
+    OrchestratorResponse,
+    OrchestratorTraceSummary,
+)
+from app.services.orchestrator import OrchestratorService
+
+
+@pytest.fixture
+def http_context() -> Generator[
+    tuple[TestClient, FastAPI, sessionmaker[Session]],
+    None,
+    None,
+]:
+    engine = create_engine(
+        "sqlite+pysqlite:///:memory:",
+        connect_args={"check_same_thread": False},
+        poolclass=StaticPool,
+    )
+    Base.metadata.create_all(bind=engine)
+    session_factory = sessionmaker(bind=engine, autoflush=False, autocommit=False)
+    app = create_app()
+
+    def override_db() -> Generator[Session, None, None]:
+        with session_factory() as db:
+            yield db
+
+    app.dependency_overrides[get_db] = override_db
+    client = TestClient(app)
+    try:
+        yield client, app, session_factory
+    finally:
+        client.close()
+        app.dependency_overrides.clear()
+        engine.dispose()
+
+
+def authenticated_user() -> CurrentUserContext:
+    return CurrentUserContext(
+        username="signed-in@example.com",
+        name="登录用户",
+        role_codes=["user"],
+        is_admin=False,
+        tenant_id="tenant-signed-in",
+        department_name="财务共享部",
+        cost_center="CC-SIGNED-IN",
+        position="费用专员",
+        grade="P5",
+        employee_no="E-SIGNED-IN",
+        manager_name="直属经理",
+        employee_id="employee-signed-in",
+        auth_session_id="session-signed-in",
+    )
+
+
+def install_authenticated_user(app: FastAPI) -> CurrentUserContext:
+    current_user = authenticated_user()
+    app.dependency_overrides[get_current_user] = lambda: current_user
+    app.dependency_overrides[get_optional_current_user] = lambda: current_user
+    return current_user
+
+
+def install_admin_user(app: FastAPI) -> CurrentUserContext:
+    current_user = authenticated_user()
+    current_user.role_codes = ["admin"]
+    current_user.is_admin = True
+    app.dependency_overrides[get_current_user] = lambda: current_user
+    app.dependency_overrides[get_optional_current_user] = lambda: current_user
+    return current_user
+
+
+@pytest.mark.parametrize("source", ["user_message", "system_event", "schedule"])
+def test_orchestrator_run_requires_authentication_for_every_external_source(
+    http_context: tuple[TestClient, FastAPI, sessionmaker[Session]],
+    source: str,
+) -> None:
+    client, _, _ = http_context
+
+    response = client.post(
+        "/api/v1/orchestrator/run",
+        json={
+            "source": source,
+            "user_id": "forged-user@example.com",
+            "message": "帮我申请差旅费用",
+            "context_json": {},
+        },
+    )
+
+    assert response.status_code == 401
+    assert response.headers["www-authenticate"] == "Bearer"
+    assert response.json()["detail"] == "请先登录后再使用智能助手。"
+
+
+@pytest.mark.parametrize("source", ["system_event", "schedule"])
+def test_non_admin_cannot_trigger_privileged_orchestrator_sources(
+    http_context: tuple[TestClient, FastAPI, sessionmaker[Session]],
+    source: str,
+) -> None:
+    client, app, _ = http_context
+    install_authenticated_user(app)
+
+    response = client.post(
+        "/api/v1/orchestrator/run",
+        json={
+            "source": source,
+            "user_id": "forged-admin@example.com",
+            "message": "运行全局风险扫描",
+            "context_json": {
+                "role_codes": ["admin"],
+                "is_admin": True,
+            },
+        },
+    )
+
+    assert response.status_code == 403
+    assert response.json()["detail"] == "只有平台管理员可以从外部触发调度或系统事件。"
+
+
+@pytest.mark.parametrize("source", ["system_event", "schedule"])
+def test_admin_can_trigger_privileged_orchestrator_sources(
+    http_context: tuple[TestClient, FastAPI, sessionmaker[Session]],
+    monkeypatch: pytest.MonkeyPatch,
+    source: str,
+) -> None:
+    client, app, _ = http_context
+    expected_user = install_admin_user(app)
+    captured: dict[str, object] = {}
+
+    def fake_run(
+        self: OrchestratorService,
+        payload: OrchestratorRequest,
+        *,
+        current_user: CurrentUserContext | None = None,
+    ) -> OrchestratorResponse:
+        del self
+        captured["source"] = payload.source
+        captured["current_user"] = current_user
+        return OrchestratorResponse(
+            run_id="run-admin-source",
+            selected_agent="hermes",
+            route_reason="test_admin_source",
+            permission_level="read",
+            status="succeeded",
+            result={},
+            requires_confirmation=False,
+            trace_summary=OrchestratorTraceSummary(
+                scenario="system",
+                intent="risk_check",
+            ),
+        )
+
+    monkeypatch.setattr(OrchestratorService, "run", fake_run)
+
+    response = client.post(
+        "/api/v1/orchestrator/run",
+        json={
+            "source": source,
+            "message": "运行全局风险扫描",
+            "context_json": {},
+        },
+    )
+
+    assert response.status_code == 200, response.text
+    assert captured["source"] == source
+    assert captured["current_user"] == expected_user
+
+
+@pytest.mark.parametrize("source", ["user_message", "system_event", "schedule"])
+def test_authenticated_payload_overrides_all_scheduler_identity_aliases(
+    source: str,
+) -> None:
+    current_user = authenticated_user()
+    payload = OrchestratorRequest(
+        source=source,
+        user_id="forged-user@example.com",
+        message="测试身份覆盖",
+        context_json={
+            "username": "forged-user@example.com",
+            "user_id": "forged-user@example.com",
+            "tenant_id": "tenant-forged",
+            "role_codes": ["admin"],
+            "is_admin": True,
+            "requested_by_username": "forged-requester@example.com",
+            "requested_by_name": "伪造请求人",
+            "actor": "forged-actor@example.com",
+            "actor_id": "forged-actor-id",
+            "auth_session_id": "forged-session",
+        },
+    )
+
+    trusted = OrchestratorService._build_authenticated_user_payload(payload, current_user)
+
+    assert trusted.user_id == current_user.username
+    assert trusted.context_json["tenant_id"] == current_user.tenant_id
+    assert trusted.context_json["role_codes"] == current_user.role_codes
+    assert trusted.context_json["is_admin"] is current_user.is_admin
+    assert trusted.context_json["requested_by_username"] == current_user.username
+    assert trusted.context_json["requested_by_name"] == current_user.name
+    assert trusted.context_json["actor"] == current_user.username
+    assert trusted.context_json["actor_id"] == current_user.username
+    assert "auth_session_id" not in trusted.context_json
+
+
+def test_authenticated_run_passes_server_identity_to_orchestrator(
+    http_context: tuple[TestClient, FastAPI, sessionmaker[Session]],
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    client, app, _ = http_context
+    expected_user = install_authenticated_user(app)
+    captured: dict[str, object] = {}
+
+    def fake_run(
+        self: OrchestratorService,
+        payload: OrchestratorRequest,
+        *,
+        current_user: CurrentUserContext | None = None,
+    ) -> OrchestratorResponse:
+        del self
+        captured["payload"] = payload
+        captured["current_user"] = current_user
+        return OrchestratorResponse(
+            run_id="run-auth-binding",
+            conversation_id="conversation-auth-binding",
+            selected_agent="user_agent",
+            route_reason="test",
+            permission_level="user",
+            status="succeeded",
+            result={},
+            requires_confirmation=False,
+            trace_summary=OrchestratorTraceSummary(
+                scenario="expense",
+                intent="operate",
+            ),
+        )
+
+    monkeypatch.setattr(OrchestratorService, "run", fake_run)
+
+    response = client.post(
+        "/api/v1/orchestrator/run",
+        json={
+            "source": "user_message",
+            "user_id": "forged-user@example.com",
+            "message": "保存申请草稿",
+            "context_json": {
+                "username": "forged-user@example.com",
+                "tenant_id": "tenant-forged",
+                "role_codes": ["admin"],
+                "is_admin": True,
+                "employee_no": "E-FORGED",
+                "auth_session_id": "session-forged",
+            },
+        },
+    )
+
+    assert response.status_code == 200, response.text
+    assert captured["current_user"] == expected_user
+    assert captured["payload"].user_id == "forged-user@example.com"
+    assert captured["payload"].context_json["tenant_id"] == "tenant-forged"
+
+
+def test_latest_conversation_uses_authenticated_username(
+    http_context: tuple[TestClient, FastAPI, sessionmaker[Session]],
+) -> None:
+    client, app, session_factory = http_context
+    current_user = install_authenticated_user(app)
+    with session_factory() as db:
+        db.add_all(
+            [
+                AgentConversation(
+                    conversation_id="conversation-signed-in",
+                    user_id=current_user.username,
+                    source="user_message",
+                    title="登录用户会话",
+                    state_json={
+                        "tenant_id": current_user.tenant_id,
+                        "session_type": "expense",
+                    },
+                ),
+                AgentConversation(
+                    conversation_id="conversation-same-user-other-tenant",
+                    user_id=current_user.username,
+                    source="user_message",
+                    title="其他租户同名用户会话",
+                    state_json={
+                        "tenant_id": "tenant-other",
+                        "session_type": "expense",
+                        "application_preview_decision": {
+                            "decision_id": "decision-other-tenant",
+                            "application_preview": {
+                                "fields": {"reason": "其他租户敏感项目"}
+                            },
+                        },
+                    },
+                ),
+                AgentConversation(
+                    conversation_id="conversation-forged-user",
+                    user_id="forged-user@example.com",
+                    source="user_message",
+                    title="伪造用户会话",
+                    state_json={
+                        "tenant_id": "tenant-forged",
+                        "session_type": "expense",
+                    },
+                ),
+            ]
+        )
+        db.commit()
+
+    response = client.get(
+        "/api/v1/orchestrator/conversations/latest",
+        params={"user_id": "forged-user@example.com", "session_type": "expense"},
+    )
+
+    assert response.status_code == 200, response.text
+    payload = response.json()
+    assert payload["found"] is True
+    assert payload["conversation"]["conversation_id"] == "conversation-signed-in"
+    assert payload["conversation"]["user_id"] == current_user.username
+
+
+def test_delete_conversations_uses_authenticated_username(
+    http_context: tuple[TestClient, FastAPI, sessionmaker[Session]],
+) -> None:
+    client, app, session_factory = http_context
+    current_user = install_authenticated_user(app)
+    with session_factory() as db:
+        db.add_all(
+            [
+                AgentConversation(
+                    conversation_id="conversation-owner-single",
+                    user_id=current_user.username,
+                    source="user_message",
+                    state_json={
+                        "tenant_id": current_user.tenant_id,
+                        "session_type": "expense",
+                    },
+                ),
+                AgentConversation(
+                    conversation_id="conversation-owner-bulk",
+                    user_id=current_user.username,
+                    source="user_message",
+                    state_json={
+                        "tenant_id": current_user.tenant_id,
+                        "session_type": "expense",
+                    },
+                ),
+                AgentConversation(
+                    conversation_id="conversation-same-user-other-tenant",
+                    user_id=current_user.username,
+                    source="user_message",
+                    state_json={
+                        "tenant_id": "tenant-other",
+                        "session_type": "expense",
+                    },
+                ),
+                AgentConversation(
+                    conversation_id="conversation-attacker",
+                    user_id="forged-user@example.com",
+                    source="user_message",
+                    state_json={
+                        "tenant_id": "tenant-forged",
+                        "session_type": "expense",
+                    },
+                ),
+            ]
+        )
+        db.commit()
+
+    single_response = client.delete(
+        "/api/v1/orchestrator/conversations/conversation-owner-single",
+        params={"user_id": "forged-user@example.com"},
+    )
+    bulk_response = client.delete(
+        "/api/v1/orchestrator/conversations",
+        params={"user_id": "forged-user@example.com", "session_type": "expense"},
+    )
+
+    assert single_response.status_code == 200, single_response.text
+    assert single_response.json()["deleted_count"] == 1
+    assert bulk_response.status_code == 200, bulk_response.text
+    assert bulk_response.json()["deleted_count"] == 1
+    with session_factory() as db:
+        remaining = list(db.scalars(select(AgentConversation)).all())
+    assert {item.conversation_id for item in remaining} == {
+        "conversation-attacker",
+        "conversation-same-user-other-tenant",
+    }

server/tests/test_orchestrator_review_flow.py

@@ -4,13 +4,16 @@ from datetime import UTC, date, datetime
 from decimal import Decimal
 
 import pytest
-from sqlalchemy import create_engine
+from sqlalchemy import create_engine, select
 from sqlalchemy.orm import Session, sessionmaker
 from sqlalchemy.pool import StaticPool
 
+from app.api.deps import CurrentUserContext
 from app.db.base import Base
 from app.models.agent_asset import AgentAsset
 from app.models.agent_run import AgentRun
+from app.models.ai_application_preview import AIApplicationPreviewDecision
+from app.models.ai_learning import AIDecision, AIDecisionFeedback
 from app.models.employee import Employee
 from app.models.financial_record import ExpenseClaim, ExpenseClaimItem
 from app.schemas.ontology import OntologyParseResult, OntologyPermission
@@ -881,3 +884,135 @@ def test_orchestrator_application_submit_bypasses_generic_operation_block(
         assert "当前仅返回确认摘要" not in submitted.result["answer"]
         assert "申请单据已生成，并已进入审批流程" in submitted.result["answer"]
         assert submitted.result["draft_payload"]["status"] == "submitted"
+
+
+def test_authenticated_orchestrator_application_draft_consumes_server_preview_decision(
+    monkeypatch,
+) -> None:
+    monkeypatch.setattr(
+        "app.services.runtime_chat.RuntimeChatService.complete",
+        lambda *_args, **_kwargs: None,
+    )
+
+    def parse_application_for_run(self, request, run_id):  # noqa: ANN001
+        return OntologyParseResult(
+            scenario="expense",
+            intent="operate",
+            entities=[],
+            permission=OntologyPermission(
+                level="approval_required",
+                allowed=True,
+                reason="费用申请由可信预览工作流执行。",
+            ),
+            confidence=0.99,
+            missing_slots=[],
+            ambiguity=[],
+            clarification_required=False,
+            clarification_question=None,
+            run_id=run_id,
+        )
+
+    monkeypatch.setattr(
+        "app.services.ontology.SemanticOntologyService.parse_for_run",
+        parse_application_for_run,
+    )
+    session_factory = build_session_factory()
+    current_user = CurrentUserContext(
+        username="trusted-application@example.com",
+        name="可信申请员工",
+        role_codes=["user"],
+        is_admin=False,
+        tenant_id="tenant-orchestrator-preview",
+        department_name="交付部",
+        position="实施顾问",
+        grade="P4",
+        employee_no="E-ORCH-001",
+        employee_id="employee-orchestrator-preview",
+        manager_name="陈硕",
+        auth_session_id="session-orchestrator-preview",
+    )
+    context_json = {
+        "session_type": "application",
+        "entry_source": "application",
+        "user_id": "forged@example.com",
+        "tenant_id": "forged-tenant",
+        "is_admin": True,
+        "manager_name": "伪造审批人",
+    }
+    with session_factory() as db:
+        service = OrchestratorService(db)
+        first = service.run(
+            OrchestratorRequest(
+                source="user_message",
+                user_id="forged@example.com",
+                message=(
+                    "发生时间：2026-05-25\n"
+                    "地点：上海\n"
+                    "事由：支持上海国网服务器部署\n"
+                    "天数：3天"
+                ),
+                context_json=context_json,
+            ),
+            current_user=current_user,
+        )
+        preview = service.run(
+            OrchestratorRequest(
+                source="user_message",
+                user_id="forged@example.com",
+                conversation_id=first.conversation_id,
+                message="飞机",
+                context_json=context_json,
+            ),
+            current_user=current_user,
+        )
+
+        decision_id = str(preview.result.get("decision_id") or "")
+        assert preview.status == "blocked"
+        assert preview.requires_confirmation is True
+        assert decision_id
+        assert preview.result["application_preview"]["decisionId"] == decision_id
+        decision = db.get(AIApplicationPreviewDecision, decision_id)
+        assert decision is not None
+        assert decision.status == "issued"
+        assert decision.actor_id == current_user.employee_id
+        assert decision.tenant_id == current_user.tenant_id
+        conversation = service.conversation_service.get_conversation(first.conversation_id or "")
+        assert conversation is not None
+        assert conversation.state_json["application_preview_decision"]["decision_id"] == decision_id
+        saved = service.run(
+            OrchestratorRequest(
+                source="user_message",
+                user_id="another-forged@example.com",
+                conversation_id=first.conversation_id,
+                message="保存草稿",
+                context_json={
+                    **context_json,
+                    "application_preview_decision": {
+                        "decision_id": "forged-decision",
+                        "status": "issued",
+                    },
+                },
+            ),
+            current_user=current_user,
+        )
+
+        assert saved.status == "succeeded", saved.result
+        assert saved.result["draft_payload"]["status"] == "draft"
+        assert saved.result["draft_payload"]["draft_type"] == "expense_application"
+        assert saved.result["draft_payload"]["claim_no"]
+        assert saved.result["decision_id"]
+        assert saved.result["decision_id"] != decision_id
+        db.refresh(decision)
+        assert decision.status == "consumed"
+        assert decision.consumed_action == "save_draft"
+        learning_decision = db.scalar(
+            select(AIDecision).where(AIDecision.preview_decision_id == decision_id)
+        )
+        assert learning_decision is not None
+        feedback = db.scalar(
+            select(AIDecisionFeedback).where(
+                AIDecisionFeedback.decision_id == learning_decision.id
+            )
+        )
+        assert feedback is not None
+        assert feedback.feedback_type == "accepted"

server/tests/test_steward_action_executor.py

@@ -13,6 +13,8 @@ from app.api.deps import get_db
 from app.db.base import Base
 from app.main import create_app
 from app.models.agent_conversation import AgentConversation
+from app.models.ai_application_preview import AIApplicationPreviewDecision
+from app.models.ai_learning import AIDecisionFeedback
 from app.models.employee import Employee
 from app.models.expense_case import BusinessEvent, ExpenseCaseLink
 from app.models.financial_record import ExpenseClaim
@@ -72,7 +74,11 @@ def auth_headers() -> dict[str, str]:
         "x-auth-username": "zhangsan@example.com",
         "x-auth-name": "Zhang San",
         "x-auth-employee-no": "E90001",
+        "x-auth-employee-id": "steward-action-employee",
+        "x-auth-session-id": "session-steward-action",
+        "x-auth-tenant-id": "tenant-steward-action",
         "x-auth-role-codes": "user",
+        "x-auth-department": "Delivery",
         "x-auth-position": "Engineer",
         "x-auth-grade": "P4",
         "x-auth-manager-name": "Leader",
@@ -130,6 +136,33 @@ def claim_count(db: Session) -> int:
     return len(db.scalars(select(ExpenseClaim)).all())
 
 
+def issue_application_preview(
+    client: TestClient,
+    *,
+    conversation_id: str,
+    client_trace_id: str,
+    task: dict[str, object] | None = None,
+) -> dict[str, object]:
+    response = client.post(
+        "/api/v1/steward/actions/execute",
+        headers=auth_headers(),
+        json={
+            "action_type": "build_application_preview",
+            "message": (
+                "2026-02-20 至 2026-02-23，去上海出差，"
+                "辅助国网仿生产服务器部署，交通火车，申请金额3000元"
+            ),
+            "conversation_id": conversation_id,
+            "client_trace_id": client_trace_id,
+            "task": task or base_application_task(),
+        },
+    )
+    assert response.status_code == 200, response.text
+    payload = response.json()
+    assert payload["status"] == "succeeded", payload
+    return payload["result_payload"]
+
+
 def seed_approved_application(db: Session) -> None:
     application = ExpenseClaim(
         id="application-action-approved",
@@ -249,16 +282,108 @@ def test_steward_action_executor_records_pending_interrupt_in_conversation_state
         assert checkpoint["actions"]["trace-submit-pending"]["status"] == "needs_confirmation"
 
 
+def test_steward_action_executor_builds_canonical_application_preview_decision() -> None:
+    client, session_factory = build_client()
+    with session_factory() as db:
+        seed_employee(db)
+
+    first = issue_application_preview(
+        client,
+        conversation_id="conv-action-preview",
+        client_trace_id="trace-build-preview",
+    )
+    second = issue_application_preview(
+        client,
+        conversation_id="conv-action-preview",
+        client_trace_id="trace-build-preview",
+    )
+
+    assert first["decision_id"]
+    assert first["decision_id"] == second["decision_id"]
+    assert first["application_preview"]["decisionId"] == first["decision_id"]
+    assert first["application_preview"]["fields"]["location"] == "上海市"
+    assert second["idempotent_replay"] is True
+
+
+def test_steward_action_checkpoint_does_not_replay_across_tenants() -> None:
+    client, session_factory = build_client()
+    with session_factory() as db:
+        seed_employee(db)
+
+    shared_conversation_id = "conv-action-cross-tenant"
+    shared_trace_id = "trace-build-cross-tenant"
+    tenant_a_headers = {
+        **auth_headers(),
+        "x-auth-tenant-id": "tenant-steward-a",
+    }
+    tenant_b_headers = {
+        **auth_headers(),
+        "x-auth-tenant-id": "tenant-steward-b",
+    }
+    request_payload = {
+        "action_type": "build_application_preview",
+        "message": (
+            "2026-02-20 至 2026-02-23，去上海出差，"
+            "辅助国网仿生产服务器部署，交通火车，申请金额3000元"
+        ),
+        "conversation_id": shared_conversation_id,
+        "client_trace_id": shared_trace_id,
+        "task": base_application_task(),
+    }
+
+    tenant_a_response = client.post(
+        "/api/v1/steward/actions/execute",
+        headers=tenant_a_headers,
+        json=request_payload,
+    )
+    tenant_b_response = client.post(
+        "/api/v1/steward/actions/execute",
+        headers=tenant_b_headers,
+        json=request_payload,
+    )
+
+    assert tenant_a_response.status_code == 200, tenant_a_response.text
+    assert tenant_b_response.status_code == 200, tenant_b_response.text
+    tenant_a_payload = tenant_a_response.json()
+    tenant_b_payload = tenant_b_response.json()
+    assert tenant_a_payload["status"] == "succeeded"
+    assert tenant_b_payload["status"] == "succeeded"
+    assert tenant_b_payload["result_payload"].get("idempotent_replay") is not True
+    assert (
+        tenant_a_payload["result_payload"]["decision_id"]
+        != tenant_b_payload["result_payload"]["decision_id"]
+    )
+
+    with session_factory() as db:
+        decisions = list(db.scalars(select(AIApplicationPreviewDecision)).all())
+        assert {decision.tenant_id for decision in decisions} == {
+            "tenant-steward-a",
+            "tenant-steward-b",
+        }
+        conversations = list(db.scalars(select(AgentConversation)).all())
+        assert len(conversations) == 2
+        assert {conversation.state_json.get("tenant_id") for conversation in conversations} == {
+            "tenant-steward-a",
+            "tenant-steward-b",
+        }
+
+
 def test_steward_action_executor_reuses_checkpoint_for_duplicate_trace_without_duplicate_draft() -> None:
     client, session_factory = build_client()
     with session_factory() as db:
         seed_employee(db)
 
+    issued = issue_application_preview(
+        client,
+        conversation_id="conv-action-draft",
+        client_trace_id="trace-build-draft-preview",
+    )
     request_payload = {
         "action_type": "save_application_draft",
         "message": "2026-02-20 至 2026-02-23，去上海出差，辅助国网仿生产服务器部署，交通火车，保存草稿",
         "conversation_id": "conv-action-draft",
         "client_trace_id": "trace-save-draft",
+        "decision_id": issued["decision_id"],
         "task": base_application_task("save_draft"),
     }
     first_response = client.post(
@@ -325,12 +450,20 @@ def test_steward_action_executor_saves_application_draft_from_action_step() -> N
     with session_factory() as db:
         seed_employee(db)
 
+    issued = issue_application_preview(
+        client,
+        conversation_id="conv-action-save",
+        client_trace_id="trace-build-save-preview",
+    )
     response = client.post(
         "/api/v1/steward/actions/execute",
         headers=auth_headers(),
         json={
             "action_type": "save_application_draft",
             "message": "2026-02-20 至 2026-02-23，去上海出差，辅助国网仿生产服务器部署，交通火车，保存草稿",
+            "conversation_id": "conv-action-save",
+            "client_trace_id": "trace-save-application-action",
+            "decision_id": issued["decision_id"],
             "task": base_application_task("save_draft"),
         },
     )
@@ -342,22 +475,116 @@ def test_steward_action_executor_saves_application_draft_from_action_step() -> N
     assert draft_payload["draft_type"] == "expense_application"
     assert draft_payload["status"] == "draft"
     assert draft_payload["claim_no"].startswith("A")
+    assert payload["result_payload"]["decision_id"]
+    assert payload["result_payload"]["decision_id"] != issued["decision_id"]
     with session_factory() as db:
         claim = db.scalars(select(ExpenseClaim)).one()
         assert claim.status == "draft"
         assert claim.reason == "辅助国网仿生产服务器部署"
+        consumed_decision = db.get(AIApplicationPreviewDecision, issued["decision_id"])
+        assert consumed_decision is not None
+        assert consumed_decision.status == "consumed"
+        feedback = db.scalars(select(AIDecisionFeedback)).one()
+        assert feedback.verification_status == "server_verified"
         event = db.scalars(
             select(BusinessEvent).where(BusinessEvent.aggregate_id == claim.id)
         ).one()
         assert event.event_type == "claim_draft_created"
         assert event.actor_id == "zhangsan@example.com"
-        assert event.correlation_id == "steward-action:save_application_draft:task_app_001"
+        assert event.correlation_id == "application-preview-action:conv-action-save"
         link = db.scalars(
             select(ExpenseCaseLink).where(ExpenseCaseLink.resource_id == claim.id)
         ).one()
         assert link.relation_type == "application"
 
 
+def test_steward_action_executor_blocks_save_without_decision_and_stable_trace() -> None:
+    client, session_factory = build_client()
+    with session_factory() as db:
+        seed_employee(db)
+
+    response = client.post(
+        "/api/v1/steward/actions/execute",
+        headers=auth_headers(),
+        json={
+            "action_type": "save_application_draft",
+            "message": "保存申请草稿",
+            "task": base_application_task("save_draft"),
+        },
+    )
+
+    assert response.status_code == 200
+    payload = response.json()
+    assert payload["status"] == "blocked"
+    assert payload["blocked_reasons"] == ["missing_decision_id"]
+
+    issued = issue_application_preview(
+        client,
+        conversation_id="conv-action-missing-trace",
+        client_trace_id="trace-build-missing-trace",
+    )
+    missing_trace_response = client.post(
+        "/api/v1/steward/actions/execute",
+        headers=auth_headers(),
+        json={
+            "action_type": "save_application_draft",
+            "message": "保存申请草稿",
+            "conversation_id": "conv-action-missing-trace",
+            "decision_id": issued["decision_id"],
+            "task": base_application_task("save_draft"),
+        },
+    )
+    missing_trace_payload = missing_trace_response.json()
+    assert missing_trace_payload["status"] == "blocked"
+    assert missing_trace_payload["blocked_reasons"] == ["missing_client_trace_id"]
+    with session_factory() as db:
+        assert claim_count(db) == 0
+
+
+def test_steward_action_executor_submits_verified_application_after_confirmation_and_precheck() -> None:
+    client, session_factory = build_client()
+    with session_factory() as db:
+        seed_employee(db)
+
+    issued = issue_application_preview(
+        client,
+        conversation_id="conv-action-verified-submit",
+        client_trace_id="trace-build-submit-preview",
+        task=base_application_task("submit"),
+    )
+    response = client.post(
+        "/api/v1/steward/actions/execute",
+        headers=auth_headers(),
+        json={
+            "action_type": "submit_application",
+            "message": (
+                "2026-02-20 至 2026-02-23，去上海出差，"
+                "辅助国网仿生产服务器部署，交通火车，直接提交"
+            ),
+            "conversation_id": "conv-action-verified-submit",
+            "client_trace_id": "trace-submit-verified-application",
+            "decision_id": issued["decision_id"],
+            "task": base_application_task("submit"),
+            "confirmed": True,
+            "context_json": {
+                "precheck_result": {
+                    "status": "ok",
+                    "blocking": False,
+                }
+            },
+        },
+    )
+
+    assert response.status_code == 200, response.text
+    payload = response.json()
+    assert payload["status"] == "succeeded"
+    assert payload["result_payload"]["draft_payload"]["status"] == "submitted"
+    assert payload["result_payload"]["decision_id"] is None
+    with session_factory() as db:
+        claim = db.scalars(select(ExpenseClaim)).one()
+        assert claim.status == "submitted"
+
+
 def test_steward_action_executor_creates_reimbursement_draft_from_action_step() -> None:
     client, session_factory = build_client()
     with session_factory() as db:

web/src/assets/styles/components/travel-reimbursement-message-item.css

@@ -1131,6 +1131,52 @@
   margin: 0;
 }
 
+.application-preview-decision-status {
+  margin-top: 28px;
+  padding: 10px 12px;
+  border: 1px solid rgba(217, 119, 6, 0.2);
+  border-radius: 10px;
+  background: rgba(245, 158, 11, 0.08);
+  color: #92400e;
+  font-size: 12px;
+  font-weight: 720;
+  line-height: 1.6;
+}
+
+.application-preview-action-row {
+  display: flex;
+  flex-wrap: wrap;
+  justify-content: flex-end;
+  gap: 8px;
+  margin-top: 14px;
+}
+
+.application-preview-secondary-btn {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  min-height: 32px;
+  padding: 0 12px;
+  border: 1px solid rgba(var(--theme-primary-rgb, 58, 124, 165), 0.3);
+  border-radius: 8px;
+  background: rgba(var(--theme-primary-rgb, 58, 124, 165), 0.08);
+  color: var(--theme-primary-active, #255b7d);
+  font-size: 12px;
+  font-weight: 800;
+  cursor: pointer;
+}
+
+.application-preview-secondary-btn:hover:not(:disabled),
+.application-preview-secondary-btn:focus-visible {
+  border-color: rgba(var(--theme-primary-rgb, 58, 124, 165), 0.52);
+  background: rgba(var(--theme-primary-rgb, 58, 124, 165), 0.14);
+}
+
+.application-preview-secondary-btn:disabled {
+  cursor: not-allowed;
+  opacity: 0.42;
+}
+
 .message-answer-markdown :deep(a) {
   color: var(--theme-primary-active, #255b7d);
   font-weight: 850;

web/src/components/travel/TravelReimbursementMessageItem.vue

@@ -246,11 +246,47 @@
           <span class="application-preview-missing-suffix">。补齐后我再帮您提交申请。</span>
         </div>
         <div
-          v-else-if="ui.buildApplicationPreviewFooterText(message)"
+          v-else-if="ui.canSubmitApplicationPreview(message) && ui.buildApplicationPreviewFooterText(message)"
           class="application-preview-footer message-answer-content message-answer-markdown"
           v-html="ui.renderMarkdown(ui.buildApplicationPreviewFooterText(message))"
           @click="ui.handleAssistantMarkdownClick($event, message)"
         ></div>
+        <div
+          v-else-if="message.applicationPreview.readyToSubmit"
+          class="application-preview-decision-status"
+          role="status"
+        >
+          <span v-if="message.applicationPreview.decisionTrackingStatus === 'registering'">
+            正在由服务端核验并签发申请预览，请稍候。
+          </span>
+          <span v-else>
+            当前申请预览尚未通过服务端签发。为避免重复或错误建单，保存与提交已暂停。
+          </span>
+        </div>
+        <div
+          v-if="message.applicationPreview.readyToSubmit"
+          class="application-preview-action-row"
+        >
+          <button
+            v-if="ui.canRetryApplicationPreviewDecision(message)"
+            type="button"
+            class="application-preview-secondary-btn"
+            :disabled="ui.submitting || ui.reviewActionBusy || ui.sessionSwitchBusy"
+            @click="ui.retryApplicationPreviewDecision(message)"
+          >
+            <i class="mdi mdi-refresh"></i>
+            <span>重新签发</span>
+          </button>
+          <button
+            type="button"
+            class="application-preview-secondary-btn"
+            :disabled="!ui.canSaveApplicationPreviewDraft(message)"
+            @click="ui.saveApplicationPreviewDraft(message)"
+          >
+            <i class="mdi mdi-content-save-outline"></i>
+            <span>保存草稿</span>
+          </button>
+        </div>
       </div>
     </Transition>
 

web/src/composables/workbenchAiMode/useWorkbenchAiActionRouter.js

@@ -53,6 +53,15 @@ export function useWorkbenchAiActionRouter({
 
     const actionType = String(action?.action_type || '').trim()
     const actionPayload = action?.payload && typeof action.payload === 'object' ? action.payload : {}
+    if (
+      actionPayload.steward_execute_action
+      && String(actionPayload.steward_current_task?.task_type || '').trim() === 'expense_application'
+    ) {
+      // 费用申请必须先进入结构化预览签发流程，不能从 Steward 计划直接执行保存/提交。
+      aiExpenseDraft.value = null
+      void expenseFlow.startAiApplicationPreviewFromAction(actionPayload)
+      return
+    }
     if (actionPayload.steward_execute_action) {
       return executeInlineStewardAction(action, sourceMessage)
     }

web/src/services/aiApplicationPreviewActions.js

@@ -105,7 +105,10 @@ export function buildAiApplicationPreviewActionPayload({
   currentUser = {},
   conversationId = '',
   draftPayload = null,
-  requestId = ''
+  requestId = '',
+  entrySource = 'workbench_ai_inline',
+  source = 'workbench',
+  requestSource = 'user_message'
 } = {}) {
   const normalizedPreview = normalizeApplicationPreview(applicationPreview || {})
   const message = buildAiApplicationPreviewActionText(actionType, normalizedPreview)
@@ -128,7 +131,7 @@ export function buildAiApplicationPreviewActionPayload({
     : []
 
   return {
-    source: 'user_message',
+    source: normalizeText(requestSource) || 'user_message',
     user_id: username,
     conversation_id: normalizeText(conversationId) || null,
     action_type: isSubmit ? 'submit' : 'save_draft',
@@ -158,8 +161,8 @@ export function buildAiApplicationPreviewActionPayload({
       finance_owner_name: resolveUserValue(currentUser, 'financeOwnerName', 'finance_owner_name'),
       ...buildClientTimeContext(),
       session_type: 'application',
-      entry_source: 'workbench_ai_inline',
+      entry_source: normalizeText(entrySource) || 'workbench_ai_inline',
-      source: 'workbench',
+      source: normalizeText(source) || 'workbench',
       document_type: 'expense_application',
       application_stage: 'expense_application',
       user_input_text: message,

web/src/views/scripts/TravelReimbursementCreateView.js

@@ -29,6 +29,7 @@ import { useTravelReimbursementMessageActions } from './useTravelReimbursementMe
 import { useTravelReimbursementSuggestedActions } from './useTravelReimbursementSuggestedActions.js'
 import { useStewardPlanFlow } from './useStewardPlanFlow.js'
 import { useTravelReimbursementApplicationSubmitConfirm } from './useTravelReimbursementApplicationSubmitConfirm.js'
+import { useTravelReimbursementApplicationPreviewActions } from './useTravelReimbursementApplicationPreviewActions.js'
 import { useTravelReimbursementStewardRuntimeDecision } from './useTravelReimbursementStewardRuntimeDecision.js'
 import { useTravelReimbursementApplicationPreviewDateEditor } from './useTravelReimbursementApplicationPreviewDateEditor.js'
 import { buildStewardFieldItems, formatStewardMissingFieldList, formatStewardOntologyFields } from './stewardPlanModel.js'
@@ -238,6 +239,27 @@ export default {
       calculateTravelReimbursement,
       currentUser
     })
+    const {
+      canRetryApplicationPreviewDecision,
+      canSaveApplicationPreviewDraft,
+      canSubmitApplicationPreview,
+      registerApplicationPreviewDecision,
+      retryApplicationPreviewDecision,
+      runApplicationPreviewAction,
+      saveApplicationPreviewDraft
+    } = useTravelReimbursementApplicationPreviewActions({
+      conversationId,
+      currentUser,
+      draftClaimId,
+      emitDraftSaved: (payload) => emit('draft-saved', payload),
+      entrySource: props.entrySource,
+      linkedRequest,
+      persistSessionState,
+      reviewActionBusy,
+      sessionSwitchBusy,
+      submitting,
+      toast
+    })
 
     let applyLinkedApplicationPreviewDateSelection = () => false
     let openApplicationPreviewEditorFromUi = openApplicationPreviewEditor
@@ -376,7 +398,7 @@ export default {
       resolveCurrentUserId
     })
     const { confirmPendingAttachmentAssociationInternal, submitComposerInternal } = useTravelReimbursementSubmitComposer({
-      MAX_ATTACHMENTS, activeReviewPayload, activeSessionType, adjustComposerTextareaHeight, attachedFiles, buildAgentInsight, buildClientTimeContext, buildComposerBusinessTimeContext, buildComposerFilePreviews, buildDraftAssociationQueryPayload, buildErrorInsight, buildExpenseIntentConfirmationActions, buildExpenseIntentConfirmationMessage, buildExpenseSceneSelectionActions, buildExpenseSceneSelectionMessage, buildMessageMeta, buildOcrDocumentsFromReviewPayload, buildOcrSummaryFromDocuments, buildReviewFormContextFromPayload, clearAttachedFiles, clearFlowSimulationTimers, completeFlowResult, completeFlowStep, composerBusinessTimeDraftTouched, composerBusinessTimeTags, composerDraft, composerUploadIntent, conversationId, createMessage, currentInsight, currentUser, refreshCurrentUserFromBackend, draftClaimId, extractReviewAttachmentNames, failCurrentFlowStep, fetchExpenseClaims, fileInputRef, flowRunId, insightPanelCollapsed, isKnowledgeSession, linkedRequest, mergeBusinessTimeIntoExtraContext, mergeFilePreviews, mergeFilesWithLimit, mergeUploadAttachmentNames, mergeUploadOcrDocuments, messages, nextTick, normalizeExpenseQueryPayload, persistSessionState, props, recognizeOcrFiles, refreshFlowRunDetail, rememberFilePreviews, replaceMessage, resolveComposerDisplaySubmitText, resetFlowRun, resolveComposerSubmitText, reviewInlineForm, runOrchestrator, scrollToBottom, sessionSwitchBusy, shouldRequestExpenseIntentConfirmation, shouldRequestExpenseSceneSelection, startExpenseClaimDraftFlowStep, startExpenseIntentConfirmationFlowPreview, startExpenseSceneSelectionFlowPreview, startFlowStep, startSemanticFlowPreview, submitting, syncComposerFilesToDraft, emitOperationCompleted, emitDraftSaved: (payload) => emit('draft-saved', payload), emitRequestUpdated: (payload) => emit('request-updated', payload), toast
+      MAX_ATTACHMENTS, activeReviewPayload, activeSessionType, adjustComposerTextareaHeight, attachedFiles, buildAgentInsight, buildClientTimeContext, buildComposerBusinessTimeContext, buildComposerFilePreviews, buildDraftAssociationQueryPayload, buildErrorInsight, buildExpenseIntentConfirmationActions, buildExpenseIntentConfirmationMessage, buildExpenseSceneSelectionActions, buildExpenseSceneSelectionMessage, buildMessageMeta, buildOcrDocumentsFromReviewPayload, buildOcrSummaryFromDocuments, buildReviewFormContextFromPayload, clearAttachedFiles, clearFlowSimulationTimers, completeFlowResult, completeFlowStep, composerBusinessTimeDraftTouched, composerBusinessTimeTags, composerDraft, composerUploadIntent, conversationId, createMessage, currentInsight, currentUser, refreshCurrentUserFromBackend, draftClaimId, extractReviewAttachmentNames, failCurrentFlowStep, fetchExpenseClaims, fileInputRef, flowRunId, insightPanelCollapsed, isKnowledgeSession, linkedRequest, mergeBusinessTimeIntoExtraContext, mergeFilePreviews, mergeFilesWithLimit, mergeUploadAttachmentNames, mergeUploadOcrDocuments, messages, nextTick, normalizeExpenseQueryPayload, persistSessionState, props, recognizeOcrFiles, refreshFlowRunDetail, registerApplicationPreviewDecision, rememberFilePreviews, replaceMessage, resolveComposerDisplaySubmitText, resetFlowRun, resolveComposerSubmitText, reviewInlineForm, runOrchestrator, scrollToBottom, sessionSwitchBusy, shouldRequestExpenseIntentConfirmation, shouldRequestExpenseSceneSelection, startExpenseClaimDraftFlowStep, startExpenseIntentConfirmationFlowPreview, startExpenseSceneSelectionFlowPreview, startFlowStep, startSemanticFlowPreview, submitting, syncComposerFilesToDraft, emitOperationCompleted, emitDraftSaved: (payload) => emit('draft-saved', payload), emitRequestUpdated: (payload) => emit('request-updated', payload), toast
     })
     let submitComposerFromMessageHandlers = null
     async function submitComposer(options = {}) {
@@ -551,7 +573,7 @@ export default {
 
 
     const { closeApplicationSubmitConfirm, confirmApplicationSubmit, openApplicationSubmitConfirm, resolveStewardMissingFieldItems } = useTravelReimbursementApplicationSubmitConfirm({
-      activeSessionType, applicationSubmitConfirmDialog, buildStewardFieldItems, createMessage, emitDraftSaved: (payload) => emit('draft-saved', payload), formatStewardMissingFieldList, formatStewardOntologyFields, linkedRequest, messages, nextTick, persistSessionState, reviewActionBusy, scrollToBottom, submitComposer, submitting, toast
+      activeSessionType, applicationSubmitConfirmDialog, buildStewardFieldItems, createMessage, emitDraftSaved: (payload) => emit('draft-saved', payload), formatStewardMissingFieldList, formatStewardOntologyFields, linkedRequest, messages, nextTick, persistSessionState, reviewActionBusy, runApplicationPreviewAction, scrollToBottom, submitComposer, submitting, toast
     })
 
     const { handleApplicationSubmitConfirmationText, handleStewardRuntimeDecision } = useTravelReimbursementStewardRuntimeDecision({
@@ -568,7 +590,7 @@ export default {
     submitComposerFromMessageHandlers = submitComposerMessageHandler
 
     const { insightPanelUi, messageItemUi } = useTravelReimbursementCreateViewUi({
-      ASSISTANT_DISPLAY_NAME, DATE_INPUT_FORMAT, REVIEW_SCENE_OPTIONS, REVIEW_SCENE_OTHER_OPTION, activeFlowSteps, activeReviewDocument, activeReviewDocumentIndex, activeReviewDocumentPreview, activeReviewPayload, activeSessionType, aiAvatar, appendExpenseQueryRiskToConversation, appendReviewRiskBriefToConversation, applicationPreviewEditor, askHotKnowledgeQuestion, buildApplicationDraftSummaryItems, buildApplicationPreviewFooterText, buildExpenseQueryHint, buildExpenseQueryWindowLabel, buildMessageBubbleClass, buildReviewMainMessageText, buildReviewNextStepRichCopyForMessage, buildReviewPlainFollowupForMessage, buildReviewPrimaryButtonLabel, canApplyApplicationPreviewDateSelection, canOpenDraftDetail, canPreviewActiveReviewDocument, canUseInlineSaveDraft, clearInlineReviewFieldError, commitApplicationPreviewDateEditor, commitApplicationPreviewEditor, commitInlineReviewEditor, copyAssistantMessage, currentInsight, currentIntentLabel, deleteSessionBusy, flowOverallStatusText, flowOverallStatusTone, flowRefreshBusy, flowRunId, flowTotalDurationText, formatFlowStepDuration, getExpenseQueryActivePage, getExpenseQueryTotalPages, getExpenseQueryVisibleRecords, goReviewDocument, handleAssistantMarkdownClick, handleExpenseQueryRecordClick, handleInlineSaveDraft, handleReviewAction, handleSuggestedAction, isApplicationDraftPayload, isApplicationPreviewDateEditorOpen, isApplicationPreviewEditing, isKnowledgeSession, isMessageFeedbackSelected, isReviewDocumentDrawer, isReviewFlowDrawer, isReviewOverviewDrawer, isReviewRiskDrawer, isSuggestedActionSelected, openActiveReviewDocumentPreview, openApplicationDraftDetail, openApplicationPreviewEditorFromUi, openInlineReviewEditor, refreshFlowRunDetail, renderMarkdown, resolveApplicationDraftStatusLabel, resolveApplicationPreviewEditorControl, resolveApplicationPreviewEditorOptions, resolveApplicationPreviewMissingFields, resolveApplicationPreviewRows, resolveFlowStepDetail, resolveFlowStepStatusLabel, resolveKnowledgeRankLabel, resolveKnowledgeRankTone, resolveReimbursementDraftClaimNo, resolveReviewFooterActions, resolveStewardMissingFieldItems, reviewActionBusy, reviewCategoryOptions, reviewDocumentCount, reviewDocumentDrawerAvailable, reviewDocumentDrawerIcon, reviewDrawerMode, reviewDrawerTitle, reviewFactCards, reviewFlowDrawerAvailable, reviewFlowDrawerIcon, reviewHasUnsavedChanges, reviewInlineEditorKey, reviewInlineErrors, reviewInlineForm, reviewInlinePendingFiles, reviewOtherCategoryOpen, reviewOtherCategoryOptions, reviewOverviewDrawerAvailable, reviewPanelConfidence, reviewRiskDrawerAvailable, reviewRiskDrawerIcon, reviewRiskEmpty, reviewRiskItems, reviewRiskSummary, reviewSelectedOtherCategory, runShortcut, saveInlineReviewChanges, selectInlineScene, selectReviewCategory, selectReviewOtherCategory, sessionSwitchBusy, setApplicationPreviewDateMode, setExpenseQueryPage, shiftExpenseQueryPage, shouldShowAssistantMessageActions, shouldShowDraftSavedCard, speakAssistantMessage, submitOperationFeedbackForMessage, submitting, switchToReviewOverviewDrawer, toggleReviewDocumentDrawer, toggleReviewFlowDrawer, toggleReviewRiskDrawer, userAvatar, visibleFlowSteps
+      ASSISTANT_DISPLAY_NAME, DATE_INPUT_FORMAT, REVIEW_SCENE_OPTIONS, REVIEW_SCENE_OTHER_OPTION, activeFlowSteps, activeReviewDocument, activeReviewDocumentIndex, activeReviewDocumentPreview, activeReviewPayload, activeSessionType, aiAvatar, appendExpenseQueryRiskToConversation, appendReviewRiskBriefToConversation, applicationPreviewEditor, askHotKnowledgeQuestion, buildApplicationDraftSummaryItems, buildApplicationPreviewFooterText, buildExpenseQueryHint, buildExpenseQueryWindowLabel, buildMessageBubbleClass, buildReviewMainMessageText, buildReviewNextStepRichCopyForMessage, buildReviewPlainFollowupForMessage, buildReviewPrimaryButtonLabel, canApplyApplicationPreviewDateSelection, canOpenDraftDetail, canPreviewActiveReviewDocument, canRetryApplicationPreviewDecision, canSaveApplicationPreviewDraft, canSubmitApplicationPreview, canUseInlineSaveDraft, clearInlineReviewFieldError, commitApplicationPreviewDateEditor, commitApplicationPreviewEditor, commitInlineReviewEditor, copyAssistantMessage, currentInsight, currentIntentLabel, deleteSessionBusy, flowOverallStatusText, flowOverallStatusTone, flowRefreshBusy, flowRunId, flowTotalDurationText, formatFlowStepDuration, getExpenseQueryActivePage, getExpenseQueryTotalPages, getExpenseQueryVisibleRecords, goReviewDocument, handleAssistantMarkdownClick, handleExpenseQueryRecordClick, handleInlineSaveDraft, handleReviewAction, handleSuggestedAction, isApplicationDraftPayload, isApplicationPreviewDateEditorOpen, isApplicationPreviewEditing, isKnowledgeSession, isMessageFeedbackSelected, isReviewDocumentDrawer, isReviewFlowDrawer, isReviewOverviewDrawer, isReviewRiskDrawer, isSuggestedActionSelected, openActiveReviewDocumentPreview, openApplicationDraftDetail, openApplicationPreviewEditorFromUi, openInlineReviewEditor, refreshFlowRunDetail, renderMarkdown, resolveApplicationDraftStatusLabel, resolveApplicationPreviewEditorControl, resolveApplicationPreviewEditorOptions, resolveApplicationPreviewMissingFields, resolveApplicationPreviewRows, resolveFlowStepDetail, resolveFlowStepStatusLabel, resolveKnowledgeRankLabel, resolveKnowledgeRankTone, resolveReimbursementDraftClaimNo, resolveReviewFooterActions, resolveStewardMissingFieldItems, retryApplicationPreviewDecision, reviewActionBusy, reviewCategoryOptions, reviewDocumentCount, reviewDocumentDrawerAvailable, reviewDocumentDrawerIcon, reviewDrawerMode, reviewDrawerTitle, reviewFactCards, reviewFlowDrawerAvailable, reviewFlowDrawerIcon, reviewHasUnsavedChanges, reviewInlineEditorKey, reviewInlineErrors, reviewInlineForm, reviewInlinePendingFiles, reviewOtherCategoryOpen, reviewOtherCategoryOptions, reviewOverviewDrawerAvailable, reviewPanelConfidence, reviewRiskDrawerAvailable, reviewRiskDrawerIcon, reviewRiskEmpty, reviewRiskItems, reviewRiskSummary, reviewSelectedOtherCategory, runShortcut, saveApplicationPreviewDraft, saveInlineReviewChanges, selectInlineScene, selectReviewCategory, selectReviewOtherCategory, sessionSwitchBusy, setApplicationPreviewDateMode, setExpenseQueryPage, shiftExpenseQueryPage, shouldShowAssistantMessageActions, shouldShowDraftSavedCard, speakAssistantMessage, submitOperationFeedbackForMessage, submitting, switchToReviewOverviewDrawer, toggleReviewDocumentDrawer, toggleReviewFlowDrawer, toggleReviewRiskDrawer, userAvatar, visibleFlowSteps
     })
 
     return {

web/src/views/scripts/travelReimbursementConversationStateModel.js

@@ -121,7 +121,8 @@ export function normalizeInitialConversationMessages(conversation) {
       queryPayload: item.role === 'assistant' ? normalizeExpenseQueryPayload(result?.query_payload) : null,
       draftPayload: item.role === 'assistant' ? result?.draft_payload || messageJson?.draft_payload || null : null,
       reviewPayload: item.role === 'assistant' ? result?.review_payload || null : null,
-      riskFlags: item.role === 'assistant' && Array.isArray(result?.risk_flags) ? result.risk_flags : []
+      riskFlags: item.role === 'assistant' && Array.isArray(result?.risk_flags) ? result.risk_flags : [],
+      applicationPreview: item.role === 'assistant' ? result?.application_preview || null : null
     })
   })
   return markResolvedSuggestedActionMessages(restoredMessages)
@@ -135,6 +136,15 @@ export function normalizeSnapshotMessage(message) {
   delete extras.role
   delete extras.text
   delete extras.attachments
+  if (!extras.applicationPreview && extras.pendingApplicationPreviewDecision) {
+    extras.applicationPreview = {
+      ...extras.pendingApplicationPreviewDecision,
+      decisionId: '',
+      decisionTrackingStatus: 'registration_failed',
+      decisionRegistrationError: '上次签发请求未完成，请重新签发。'
+    }
+  }
+  delete extras.pendingApplicationPreviewDecision
   return createMessage(role, text, attachments, extras)
 }
 
@@ -164,12 +174,14 @@ export function serializeSessionMessages(messages) {
     draftPayload: message.draftPayload || null,
     reviewPayload: message.reviewPayload || null,
     riskFlags: Array.isArray(message.riskFlags) ? message.riskFlags : [],
-      pendingAttachmentAssociation: message.pendingAttachmentAssociation || null,
+    pendingAttachmentAssociation: message.pendingAttachmentAssociation || null,
-      applicationPreview: message.applicationPreview || null,
+    applicationPreview: message.applicationPreview || null,
-      budgetReport: message.budgetReport || null,
+    pendingApplicationPreviewDecision: message.pendingApplicationPreviewDecision || null,
-      stewardPlan: message.stewardPlan || null,
+    applicationSubmitConfirmed: Boolean(message.applicationSubmitConfirmed),
-      operationFeedback: message.operationFeedback || null,
+    budgetReport: message.budgetReport || null,
-      assistantName: message.assistantName || '',
+    stewardPlan: message.stewardPlan || null,
+    operationFeedback: message.operationFeedback || null,
+    assistantName: message.assistantName || '',
     assistantVariant: message.assistantVariant || '',
     isWelcome: Boolean(message.isWelcome),
     welcomeQuickActions: Array.isArray(message.welcomeQuickActions) ? message.welcomeQuickActions : []

web/src/views/scripts/travelReimbursementSubmitLocalPreviewFlow.js

@@ -34,6 +34,7 @@ export async function handleLocalApplicationPreviewFlow({
   options,
   persistSessionState,
   rawText,
+  registerApplicationPreviewDecision = async ({ applicationPreview }) => applicationPreview,
   replaceMessage,
   resetFlowRun,
   resetStewardDelegatedInsightState,
@@ -108,7 +109,7 @@ export async function handleLocalApplicationPreviewFlow({
 
         submitting.value = true
         try {
-          const { applicationPreview, meta } = await buildApplicationPreviewWithModelReview(
+          const { applicationPreview: generatedApplicationPreview, meta } = await buildApplicationPreviewWithModelReview(
             rawText,
             selectedBusinessTimeContext,
             effectiveSessionType,
@@ -120,7 +121,7 @@ export async function handleLocalApplicationPreviewFlow({
           let applicationDateConflict = null
           try {
             const existingClaims = await fetchExpenseClaims({ page: 1, pageSize: 100 })
-            applicationDateConflict = findOverlappingApplicationClaim(applicationPreview, existingClaims)
+            applicationDateConflict = findOverlappingApplicationClaim(generatedApplicationPreview, existingClaims)
           } catch (error) {
             console.warn('Failed to check overlapping application dates:', error)
           }
@@ -157,7 +158,7 @@ export async function handleLocalApplicationPreviewFlow({
                 {
                   sessionType: effectiveSessionType,
                   rawText,
-                  applicationPreview,
+                  applicationPreview: generatedApplicationPreview,
                   stewardContinuation: options.stewardContinuation || null
                 }
               )
@@ -179,6 +180,7 @@ export async function handleLocalApplicationPreviewFlow({
               Date.now() - reviewStartedAt
             )
           }
+          let applicationPreview = generatedApplicationPreview
           if (stewardDelegated) {
             const fallbackStewardApplicationText = buildStewardApplicationPreviewMessage(
               applicationPreview,
@@ -197,6 +199,13 @@ export async function handleLocalApplicationPreviewFlow({
             const pauseForMissingFields = slotDecision
               ? String(slotDecision.next_action || '').trim() === 'ask_user'
               : localPauseForMissingFields
+            if (!pauseForMissingFields) {
+              applicationPreview = await registerApplicationPreviewDecision({
+                applicationPreview,
+                sourceText: rawText,
+                targetMessage: pendingMessage
+              })
+            }
             const stewardApplicationText = buildStewardSlotDecisionMessage(
               slotDecision,
               applicationPreview,
@@ -221,6 +230,11 @@ export async function handleLocalApplicationPreviewFlow({
               }
             )
           } else {
+            applicationPreview = await registerApplicationPreviewDecision({
+              applicationPreview,
+              sourceText: rawText,
+              targetMessage: pendingMessage
+            })
             replaceMessage(pendingMessage.id, createMessage(
               'assistant',
               buildLocalApplicationPreviewMessage(applicationPreview),

web/src/views/scripts/useTravelReimbursementApplicationPreviewActions.js

@@ -0,0 +1,354 @@
+import {
+  AI_APPLICATION_ACTION_SAVE_DRAFT,
+  AI_APPLICATION_ACTION_SUBMIT,
+  createAiApplicationRequestId,
+  registerAiApplicationPreviewDecision,
+  runAiApplicationPreviewAction
+} from '../../services/aiApplicationPreviewActions.js'
+import { normalizeApplicationPreview } from '../../utils/expenseApplicationPreview.js'
+
+const DECISION_STATUS_REGISTERED = 'registered'
+const DECISION_STATUS_REGISTERING = 'registering'
+const DECISION_STATUS_FAILED = 'registration_failed'
+const DECISION_STATUS_UNREGISTERED = 'unregistered'
+
+function resolveRefValue(value, fallback = null) {
+  if (value && typeof value === 'object' && 'value' in value) {
+    return value.value ?? fallback
+  }
+  return value ?? fallback
+}
+
+function normalizeText(value) {
+  return String(value || '').trim()
+}
+
+function resolveErrorMessage(error, fallback) {
+  return normalizeText(error?.message || error) || fallback
+}
+
+function resolveDecisionSourceText(preview = {}, sourceText = '') {
+  return normalizeText(
+    sourceText
+      || preview.decisionSourceText
+      || preview.sourceText
+      || preview.originalMessage
+  )
+}
+
+function resolveApplicationDraftPayload(message = {}, draftClaimId = '', linkedRequest = null) {
+  if (message?.draftPayload && typeof message.draftPayload === 'object') {
+    return message.draftPayload
+  }
+  const request = resolveRefValue(linkedRequest, {}) || {}
+  const claimId = normalizeText(
+    draftClaimId
+      || request.claimId
+      || request.claim_id
+  )
+  if (!claimId) return null
+  return {
+    claim_id: claimId,
+    claim_no: normalizeText(request.claimNo || request.claim_no || request.id)
+  }
+}
+
+export function useTravelReimbursementApplicationPreviewActions({
+  conversationId,
+  currentUser,
+  draftClaimId,
+  emitDraftSaved,
+  entrySource = 'application',
+  linkedRequest,
+  persistSessionState = () => {},
+  reviewActionBusy,
+  sessionSwitchBusy,
+  submitting,
+  toast = () => {}
+} = {}) {
+  function isInteractionBusy() {
+    return Boolean(
+      resolveRefValue(submitting, false)
+        || resolveRefValue(reviewActionBusy, false)
+        || resolveRefValue(sessionSwitchBusy, false)
+    )
+  }
+
+  function isRegisteredApplicationPreview(message) {
+    const preview = normalizeApplicationPreview(message?.applicationPreview || {})
+    return Boolean(
+      preview.readyToSubmit
+        && normalizeText(preview.decisionId)
+        && preview.decisionTrackingStatus === DECISION_STATUS_REGISTERED
+    )
+  }
+
+  function canSubmitApplicationPreview(message) {
+    return isRegisteredApplicationPreview(message)
+  }
+
+  function canSaveApplicationPreviewDraft(message) {
+    return !isInteractionBusy() && isRegisteredApplicationPreview(message)
+  }
+
+  function canRetryApplicationPreviewDecision(message) {
+    if (isInteractionBusy() || !message?.applicationPreview) return false
+    if (message.applicationSubmitConfirmed) return false
+    if (normalizeText(message?.draftPayload?.status) === 'submitted') return false
+    const preview = normalizeApplicationPreview(message.applicationPreview)
+    return Boolean(
+      preview.readyToSubmit
+        && !normalizeText(preview.decisionId)
+        && [DECISION_STATUS_FAILED, DECISION_STATUS_UNREGISTERED, 'degraded', 'consumed', ''].includes(
+          normalizeText(preview.decisionTrackingStatus)
+        )
+    )
+  }
+
+  function buildPendingDecisionPreview(applicationPreview = {}, sourceText = '') {
+    const normalized = normalizeApplicationPreview(applicationPreview)
+    return normalizeApplicationPreview({
+      ...normalized,
+      decisionId: '',
+      decisionIssueRequestId: normalizeText(normalized.decisionIssueRequestId)
+        || createAiApplicationRequestId('preview'),
+      decisionActionRequestId: normalizeText(normalized.decisionActionRequestId)
+        || createAiApplicationRequestId('action'),
+      decisionSourceText: resolveDecisionSourceText(normalized, sourceText),
+      decisionTrackingStatus: DECISION_STATUS_REGISTERING,
+      decisionRegistrationError: ''
+    })
+  }
+
+  async function registerApplicationPreviewDecision({
+    applicationPreview,
+    sourceText = '',
+    targetMessage = null,
+    preserveCurrentFields = false
+  } = {}) {
+    const normalized = normalizeApplicationPreview(applicationPreview || {})
+    if (!normalized.readyToSubmit) {
+      return normalizeApplicationPreview({
+        ...normalized,
+        decisionId: '',
+        decisionSourceText: resolveDecisionSourceText(normalized, sourceText),
+        decisionTrackingStatus: DECISION_STATUS_UNREGISTERED
+      })
+    }
+    if (
+      normalizeText(normalized.decisionId)
+        && normalized.decisionTrackingStatus === DECISION_STATUS_REGISTERED
+    ) {
+      return normalized
+    }
+
+    const pendingPreview = buildPendingDecisionPreview(normalized, sourceText)
+    if (targetMessage) {
+      // 网络请求前先把幂等键写入本地会话；超时或刷新后仍可用同一请求继续签发。
+      targetMessage.pendingApplicationPreviewDecision = pendingPreview
+      persistSessionState()
+    }
+
+    try {
+      const registered = await registerAiApplicationPreviewDecision({
+        applicationPreview: pendingPreview,
+        conversationId: normalizeText(resolveRefValue(conversationId, '')),
+        message: pendingPreview.decisionSourceText,
+        requestId: pendingPreview.decisionIssueRequestId
+      })
+      const nextPreview = normalizeApplicationPreview({
+        ...registered,
+        ...(preserveCurrentFields ? { fields: pendingPreview.fields } : {}),
+        decisionIssueRequestId: pendingPreview.decisionIssueRequestId,
+        decisionActionRequestId: pendingPreview.decisionActionRequestId,
+        decisionSourceText: pendingPreview.decisionSourceText,
+        decisionTrackingStatus: DECISION_STATUS_REGISTERED,
+        decisionRegistrationError: ''
+      })
+      if (targetMessage) {
+        delete targetMessage.pendingApplicationPreviewDecision
+        targetMessage.applicationPreview = nextPreview
+        persistSessionState()
+      }
+      return nextPreview
+    } catch (error) {
+      const failedPreview = normalizeApplicationPreview({
+        ...pendingPreview,
+        decisionId: '',
+        decisionSource: '',
+        decisionExpiresAt: '',
+        decisionTrackingStatus: DECISION_STATUS_FAILED,
+        decisionRegistrationError: resolveErrorMessage(error, '服务端暂未完成申请预览签发。')
+      })
+      if (targetMessage) {
+        delete targetMessage.pendingApplicationPreviewDecision
+        targetMessage.applicationPreview = failedPreview
+        persistSessionState()
+      }
+      return failedPreview
+    }
+  }
+
+  async function retryApplicationPreviewDecision(message) {
+    if (!canRetryApplicationPreviewDecision(message)) return false
+    reviewActionBusy.value = true
+    try {
+      const preview = await registerApplicationPreviewDecision({
+        applicationPreview: message.applicationPreview,
+        sourceText: resolveDecisionSourceText(message.applicationPreview),
+        targetMessage: message,
+        preserveCurrentFields: true
+      })
+      if (preview.decisionTrackingStatus === DECISION_STATUS_REGISTERED) {
+        message.text = message.text || ''
+        toast('申请预览已重新签发，可以保存或提交。')
+        return true
+      }
+      toast(preview.decisionRegistrationError || '申请预览签发失败，请稍后重试。')
+      return false
+    } finally {
+      reviewActionBusy.value = false
+      persistSessionState()
+    }
+  }
+
+  async function runApplicationPreviewAction(actionType, message) {
+    if (!message?.applicationPreview) {
+      throw new Error('当前没有可处理的申请预览。')
+    }
+    let preview = normalizeApplicationPreview(message.applicationPreview)
+    if (!preview.readyToSubmit) {
+      throw new Error(`请先补充：${preview.missingFields.join('、') || '申请必填信息'}。`)
+    }
+    if (
+      !normalizeText(preview.decisionId)
+        || preview.decisionTrackingStatus !== DECISION_STATUS_REGISTERED
+    ) {
+      // structured preview 必须持有服务端签发结果，禁止降级为客户端观察动作。
+      throw new Error('申请预览尚未通过服务端签发，请先点击“重新签发”。')
+    }
+
+    const actionRequestId = normalizeText(preview.decisionActionRequestId)
+      || createAiApplicationRequestId('action')
+    preview = normalizeApplicationPreview({
+      ...preview,
+      decisionActionRequestId: actionRequestId
+    })
+    message.applicationPreview = preview
+    persistSessionState()
+
+    let payload
+    try {
+      payload = await runAiApplicationPreviewAction({
+        actionType,
+        applicationPreview: preview,
+        currentUser: resolveRefValue(currentUser, {}) || {},
+        conversationId: normalizeText(resolveRefValue(conversationId, '')),
+        draftPayload: resolveApplicationDraftPayload(
+          message,
+          normalizeText(resolveRefValue(draftClaimId, '')),
+          linkedRequest
+        ),
+        requestId: actionRequestId,
+        entrySource: normalizeText(entrySource) || 'application',
+        source: 'financial_assistant'
+      })
+    } catch (error) {
+      const errorText = resolveErrorMessage(error, '申请动作执行失败。')
+      if (/已过期|已被.*消费|不可使用|不存在或不属于|重新生成预览/.test(errorText)) {
+        message.applicationPreview = normalizeApplicationPreview({
+          ...preview,
+          decisionId: '',
+          decisionSource: '',
+          decisionExpiresAt: '',
+          decisionTrackingStatus: DECISION_STATUS_FAILED,
+          decisionRegistrationError: `${errorText} 请重新签发后继续。`,
+          decisionIssueRequestId: createAiApplicationRequestId('preview'),
+          decisionActionRequestId: ''
+        })
+        persistSessionState()
+      }
+      throw error
+    }
+    const result = payload?.result && typeof payload.result === 'object' ? payload.result : {}
+    const nextDraftPayload = result.draft_payload && typeof result.draft_payload === 'object'
+      ? result.draft_payload
+      : null
+    if (nextDraftPayload) {
+      message.draftPayload = nextDraftPayload
+      const nextClaimId = normalizeText(nextDraftPayload.claim_id || nextDraftPayload.claimId)
+      if (nextClaimId && draftClaimId && typeof draftClaimId === 'object' && 'value' in draftClaimId) {
+        draftClaimId.value = nextClaimId
+      }
+    }
+
+    const nextDecisionId = normalizeText(result.decision_id)
+    const isSaveDraft = actionType === AI_APPLICATION_ACTION_SAVE_DRAFT
+    message.applicationPreview = normalizeApplicationPreview({
+      ...preview,
+      decisionId: nextDecisionId,
+      decisionSource: nextDecisionId ? 'server_draft' : '',
+      decisionExpiresAt: normalizeText(result.decision_expires_at),
+      decisionTrackingStatus: nextDecisionId
+        ? DECISION_STATUS_REGISTERED
+        : isSaveDraft
+          ? DECISION_STATUS_FAILED
+          : 'consumed',
+      decisionRegistrationError: isSaveDraft && !nextDecisionId
+        ? '草稿已保存，但后续申请预览签发失败，请重新签发后再提交。'
+        : '',
+      decisionIssueRequestId: isSaveDraft && !nextDecisionId
+        ? createAiApplicationRequestId('preview')
+        : '',
+      decisionActionRequestId: nextDecisionId ? createAiApplicationRequestId('action') : ''
+    })
+    persistSessionState()
+    return payload
+  }
+
+  async function saveApplicationPreviewDraft(message) {
+    if (!canSaveApplicationPreviewDraft(message)) return null
+    reviewActionBusy.value = true
+    try {
+      const payload = await runApplicationPreviewAction(
+        AI_APPLICATION_ACTION_SAVE_DRAFT,
+        message
+      )
+      const draftPayload = payload?.result?.draft_payload || {}
+      const claimId = normalizeText(draftPayload.claim_id || draftPayload.claimId)
+      const claimNo = normalizeText(draftPayload.claim_no || draftPayload.claimNo)
+      if (claimId || claimNo) {
+        emitDraftSaved?.({
+          claimId,
+          claimNo,
+          status: 'draft',
+          approvalStage: normalizeText(draftPayload.approval_stage) || '待提交',
+          documentType: 'application'
+        })
+      }
+      toast('申请草稿已保存。')
+      return payload
+    } catch (error) {
+      toast(resolveErrorMessage(error, '申请草稿保存失败，请稍后重试。'))
+      return null
+    } finally {
+      reviewActionBusy.value = false
+      persistSessionState()
+    }
+  }
+
+  return {
+    canRetryApplicationPreviewDecision,
+    canSaveApplicationPreviewDraft,
+    canSubmitApplicationPreview,
+    registerApplicationPreviewDecision,
+    retryApplicationPreviewDecision,
+    runApplicationPreviewAction,
+    saveApplicationPreviewDraft
+  }
+}
+
+export {
+  AI_APPLICATION_ACTION_SAVE_DRAFT,
+  AI_APPLICATION_ACTION_SUBMIT
+}

web/src/views/scripts/useTravelReimbursementApplicationSubmitConfirm.js

@@ -9,6 +9,7 @@ import {
 } from '../../utils/travelApplicationPlanning.js'
 import { SESSION_TYPE_APPLICATION } from './travelReimbursementConversationModel.js'
 import { useTravelReimbursementStewardFollowupFlow } from './travelReimbursementStewardFollowupFlow.js'
+import { AI_APPLICATION_ACTION_SUBMIT } from './useTravelReimbursementApplicationPreviewActions.js'
 
 export function useTravelReimbursementApplicationSubmitConfirm({
   activeSessionType,
@@ -23,6 +24,7 @@ export function useTravelReimbursementApplicationSubmitConfirm({
   nextTick,
   persistSessionState,
   reviewActionBusy,
+  runApplicationPreviewAction,
   scrollToBottom,
   submitComposer,
   submitting,
@@ -103,31 +105,36 @@ export function useTravelReimbursementApplicationSubmitConfirm({
       const stewardSubmitContinuation = message?.stewardContinuation || null
       reviewActionBusy.value = true
       try {
-        const payload = await submitComposer({
+        const payload = applicationPreview
-          rawText: applicationSubmitText,
+          ? await runApplicationPreviewAction(
-          userText: String(options.userText || '').trim() || '确认提交',
+              AI_APPLICATION_ACTION_SUBMIT,
-          skipUserMessage: Boolean(options.skipUserMessage),
+              message
-          pendingText: '正在提交费用申请...',
+            )
-          systemGenerated: true,
+          : await submitComposer({
-          skipScopeGuard: true,
+              rawText: applicationSubmitText,
-          skipStewardPlan: true,
+              userText: String(options.userText || '').trim() || '确认提交',
-          stewardContinuation: stewardSubmitContinuation,
+              skipUserMessage: Boolean(options.skipUserMessage),
-          sessionTypeOverride: SESSION_TYPE_APPLICATION,
+              pendingText: '正在提交费用申请...',
-          feedbackOperationType: 'submit_application',
+              systemGenerated: true,
-          extraContext: {
+              skipScopeGuard: true,
-            application_preview: applicationPreview,
+              skipStewardPlan: true,
-            user_input_text: applicationSubmitText,
+              stewardContinuation: stewardSubmitContinuation,
-            ...(applicationEditClaimId
+              sessionTypeOverride: SESSION_TYPE_APPLICATION,
-              ? {
+              feedbackOperationType: 'submit_application',
-                  application_edit_claim_id: applicationEditClaimId,
+              extraContext: {
-                  application_edit_claim_no: String(linkedRequest.value?.claimNo || linkedRequest.value?.id || '').trim(),
+                application_preview: applicationPreview,
-                  application_edit_mode: true,
+                user_input_text: applicationSubmitText,
-                  draft_claim_id: applicationEditClaimId,
+                ...(applicationEditClaimId
-                  selected_claim_id: applicationEditClaimId
+                  ? {
-                }
+                      application_edit_claim_id: applicationEditClaimId,
-              : {})
+                      application_edit_claim_no: String(linkedRequest.value?.claimNo || linkedRequest.value?.id || '').trim(),
-          }
+                      application_edit_mode: true,
-        })
+                      draft_claim_id: applicationEditClaimId,
+                      selected_claim_id: applicationEditClaimId
+                    }
+                  : {})
+              }
+            })
         const draftPayload = payload?.result?.draft_payload || {}
         const claimNo = String(draftPayload.claim_no || '').trim()
         const claimId = String(draftPayload.claim_id || '').trim()
@@ -140,6 +147,7 @@ export function useTravelReimbursementApplicationSubmitConfirm({
             approvalStage: String(draftPayload.approval_stage || '直属领导审批').trim(),
             documentType: 'application'
           })
+          persistSessionState()
         }
         const planningText = buildTravelPlanningNudgeMessage(applicationPreview, draftPayload)
         const planningActions = buildTravelPlanningSuggestedActions(applicationPreview, draftPayload).map((action) => ({
@@ -162,6 +170,8 @@ export function useTravelReimbursementApplicationSubmitConfirm({
         if (stewardFollowup) {
           await pushStewardContinuationMessage(stewardFollowup)
         }
+      } catch (error) {
+        toast(String(error?.message || '').trim() || '申请提交失败，请稍后重试。')
       } finally {
         reviewActionBusy.value = false
       }

web/src/views/scripts/useTravelReimbursementCreateViewUi.js

@@ -27,6 +27,11 @@ export function useTravelReimbursementCreateViewUi(ctx) {
     canApplyApplicationPreviewDateSelection: ctx.canApplyApplicationPreviewDateSelection,
     handleApplicationPreviewEditorKeydown: ctx.handleApplicationPreviewEditorKeydown,
     buildApplicationPreviewFooterText: ctx.buildApplicationPreviewFooterText,
+    canRetryApplicationPreviewDecision: ctx.canRetryApplicationPreviewDecision,
+    canSaveApplicationPreviewDraft: ctx.canSaveApplicationPreviewDraft,
+    canSubmitApplicationPreview: ctx.canSubmitApplicationPreview,
+    retryApplicationPreviewDecision: ctx.retryApplicationPreviewDecision,
+    saveApplicationPreviewDraft: ctx.saveApplicationPreviewDraft,
     isApplicationDraftPayload: ctx.isApplicationDraftPayload,
     resolveApplicationDraftStatusLabel: ctx.resolveApplicationDraftStatusLabel,
     buildApplicationDraftSummaryItems: ctx.buildApplicationDraftSummaryItems,

web/src/views/scripts/useTravelReimbursementSubmitComposer.js

@@ -74,6 +74,7 @@ export function useTravelReimbursementSubmitComposer(ctx) {
     normalizeExpenseQueryPayload,
     persistSessionState,
     props,
+    registerApplicationPreviewDecision,
     recognizeOcrFiles,
     refreshCurrentUserFromBackend,
     refreshFlowRunDetail,
@@ -329,6 +330,7 @@ export function useTravelReimbursementSubmitComposer(ctx) {
         options,
         persistSessionState,
         rawText,
+        registerApplicationPreviewDecision,
         replaceMessage,
         resetFlowRun,
         resetStewardDelegatedInsightState,

web/tests/ai-application-preview-actions.test.mjs

@@ -223,11 +223,44 @@ async function testEditDraftActionCarriesClaimAndEditableFields() {
   assert.deepEqual(body.context_json.application_editable_fields, ['reason', 'time', 'location', 'transportMode'])
 }
 
+async function testApplicationActionSourceCanBeConfiguredWithoutChangingWorkbenchDefaults() {
+  const requests = []
+  global.fetch = async (_url, options) => {
+    requests.push(JSON.parse(options.body))
+    return {
+      ok: true,
+      async json() {
+        return { status: 'succeeded', result: {} }
+      }
+    }
+  }
+
+  await runAiApplicationPreviewAction({
+    actionType: AI_APPLICATION_ACTION_SAVE_DRAFT,
+    applicationPreview: { fields: { reason: '默认工作台来源' } }
+  })
+  await runAiApplicationPreviewAction({
+    actionType: AI_APPLICATION_ACTION_SAVE_DRAFT,
+    applicationPreview: { fields: { reason: '小财管家来源' } },
+    entrySource: 'application',
+    source: 'financial_assistant',
+    requestSource: 'assistant_preview_action'
+  })
+
+  assert.equal(requests[0].source, 'user_message')
+  assert.equal(requests[0].context_json.entry_source, 'workbench_ai_inline')
+  assert.equal(requests[0].context_json.source, 'workbench')
+  assert.equal(requests[1].source, 'assistant_preview_action')
+  assert.equal(requests[1].context_json.entry_source, 'application')
+  assert.equal(requests[1].context_json.source, 'financial_assistant')
+}
+
 async function run() {
   await testSubmitActionUsesFastPreviewEndpoint()
   await testSaveDraftActionUsesFastPreviewEndpoint()
   await testRegistrationUsesServerCanonicalPreview()
   await testEditDraftActionCarriesClaimAndEditableFields()
+  await testApplicationActionSourceCanBeConfiguredWithoutChangingWorkbenchDefaults()
   console.log('ai-application-preview-actions tests passed')
 }
 

web/tests/expense-application-submit-rich-confirm.test.mjs

@@ -17,8 +17,12 @@ const suggestedActionsScript = readFileSync(
   fileURLToPath(new URL('../src/views/scripts/useTravelReimbursementSuggestedActions.js', import.meta.url)),
   'utf8'
 )
-const stewardRuntimeScript = readFileSync(
+const submitConfirmScript = readFileSync(
-  fileURLToPath(new URL('../src/views/scripts/useTravelReimbursementStewardRuntime.js', import.meta.url)),
+  fileURLToPath(new URL('../src/views/scripts/useTravelReimbursementApplicationSubmitConfirm.js', import.meta.url)),
+  'utf8'
+)
+const messageHandlersScript = readFileSync(
+  fileURLToPath(new URL('../src/views/scripts/useTravelReimbursementCreateViewMessageHandlers.js', import.meta.url)),
   'utf8'
 )
 const messageItemStyles = readFileSync(
@@ -44,24 +48,24 @@ test('expense application submit uses rich text link and confirm dialog', () =>
   assert.match(createViewTemplate, /@confirm="confirmApplicationSubmit"/)
   assert.match(createViewScript, /const APPLICATION_SUBMIT_HREF = '#application-submit'/)
   assert.match(
-    createViewScript,
+    messageHandlersScript,
     /href === APPLICATION_SUBMIT_HREF[\s\S]*openApplicationSubmitConfirm\(message\)/
   )
   assert.match(
-    stewardRuntimeScript,
+    submitConfirmScript,
-    /async function confirmApplicationSubmit\(options = \{\}\)[\s\S]*const applicationSubmitText[\s\S]*rawText: applicationSubmitText[\s\S]*systemGenerated: true[\s\S]*skipScopeGuard: true/
+    /async function confirmApplicationSubmit\(options = \{\}\)[\s\S]*const applicationSubmitText[\s\S]*applicationPreview[\s\S]*runApplicationPreviewAction[\s\S]*AI_APPLICATION_ACTION_SUBMIT[\s\S]*submitComposer/
   )
   assert.match(
-    stewardRuntimeScript,
+    submitConfirmScript,
-    /applicationSubmitConfirmDialog\.value = \{[\s\S]*open: false,[\s\S]*message: null[\s\S]*\}[\s\S]*const payload = await submitComposer/
+    /applicationSubmitConfirmDialog\.value = \{[\s\S]*open: false,[\s\S]*message: null[\s\S]*\}[\s\S]*const payload = applicationPreview/
   )
   assert.match(
-    stewardRuntimeScript,
+    submitConfirmScript,
-    /emit\('draft-saved', \{[\s\S]*status: 'submitted'[\s\S]*documentType: 'application'/
+    /emitDraftSaved\(\{[\s\S]*status: 'submitted'[\s\S]*documentType: 'application'/
   )
-  assert.match(stewardRuntimeScript, /buildTravelPlanningNudgeMessage\(applicationPreview, draftPayload\)/)
+  assert.match(submitConfirmScript, /buildTravelPlanningNudgeMessage\(applicationPreview, draftPayload\)/)
-  assert.match(stewardRuntimeScript, /buildTravelPlanningSuggestedActions\(applicationPreview, draftPayload\)/)
+  assert.match(submitConfirmScript, /buildTravelPlanningSuggestedActions\(applicationPreview, draftPayload\)/)
-  assert.match(stewardRuntimeScript, /meta:\s*\['行程规划推荐'\]/)
+  assert.match(submitConfirmScript, /meta:\s*\['行程规划推荐'\]/)
   assert.match(suggestedActionsScript, /TRAVEL_PLANNING_ACTION_GENERATE/)
   assert.match(suggestedActionsScript, /buildTravelPlanningRecommendation\(sourcePreview, sourceDraftPayload\)/)
   assert.match(suggestedActionsScript, /TRAVEL_PLANNING_ACTION_SKIP/)

web/tests/financial-assistant-application-preview-actions.test.mjs

@@ -0,0 +1,339 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import {
+  AI_APPLICATION_ACTION_SAVE_DRAFT,
+  AI_APPLICATION_ACTION_SUBMIT,
+  useTravelReimbursementApplicationPreviewActions
+} from '../src/views/scripts/useTravelReimbursementApplicationPreviewActions.js'
+import {
+  normalizeSnapshotMessage,
+  serializeSessionMessages
+} from '../src/views/scripts/travelReimbursementConversationStateModel.js'
+import { useTravelReimbursementApplicationSubmitConfirm } from '../src/views/scripts/useTravelReimbursementApplicationSubmitConfirm.js'
+
+function createPreview(overrides = {}) {
+  return {
+    fields: {
+      applicationType: '差旅费用申请',
+      time: '2026-07-20 至 2026-07-22',
+      location: '上海',
+      reason: '客户现场实施',
+      days: '3天',
+      transportMode: '火车',
+      amount: '1800元'
+    },
+    ...overrides
+  }
+}
+
+function createActions(overrides = {}) {
+  const persisted = []
+  const emitted = []
+  const toasts = []
+  const state = {
+    conversationId: { value: 'conversation-financial-assistant' },
+    currentUser: { value: { username: 'zhangsan', name: '张三' } },
+    draftClaimId: { value: '' },
+    linkedRequest: { value: null },
+    reviewActionBusy: { value: false },
+    sessionSwitchBusy: { value: false },
+    submitting: { value: false },
+    emitDraftSaved: (payload) => emitted.push(payload),
+    entrySource: 'application',
+    persistSessionState: () => persisted.push(Date.now()),
+    toast: (message) => toasts.push(message),
+    ...overrides
+  }
+  return {
+    actions: useTravelReimbursementApplicationPreviewActions(state),
+    emitted,
+    persisted,
+    state,
+    toasts
+  }
+}
+
+test('完整 preview 展示前写入稳定签发/动作 request id，并使用 canonical decision', async () => {
+  const targetMessage = { id: 'preview-1', applicationPreview: null }
+  const { actions, persisted } = createActions()
+  let pendingIssueRequestId = ''
+  let pendingActionRequestId = ''
+
+  global.fetch = async (_url, options) => {
+    const body = JSON.parse(options.body)
+    pendingIssueRequestId = targetMessage.pendingApplicationPreviewDecision?.decisionIssueRequestId
+    pendingActionRequestId = targetMessage.pendingApplicationPreviewDecision?.decisionActionRequestId
+    assert.equal(body.request_id, pendingIssueRequestId)
+    assert.ok(pendingActionRequestId.startsWith('action:'))
+    assert.equal(targetMessage.applicationPreview, null)
+    return {
+      ok: true,
+      async json() {
+        return {
+          decision_id: 'decision-assistant-1',
+          decision_source: 'rule',
+          expires_at: '2026-07-14T10:30:00Z',
+          application_preview: {
+            fields: {
+              reason: '服务端规范事由',
+              location: '上海'
+            }
+          }
+        }
+      }
+    }
+  }
+
+  const preview = await actions.registerApplicationPreviewDecision({
+    applicationPreview: createPreview(),
+    sourceText: '7月20日去上海做客户现场实施，坐火车',
+    targetMessage
+  })
+
+  assert.equal(preview.decisionId, 'decision-assistant-1')
+  assert.equal(preview.decisionTrackingStatus, 'registered')
+  assert.equal(preview.fields.reason, '服务端规范事由')
+  assert.equal(preview.decisionIssueRequestId, pendingIssueRequestId)
+  assert.equal(preview.decisionActionRequestId, pendingActionRequestId)
+  assert.equal(targetMessage.pendingApplicationPreviewDecision, undefined)
+  assert.ok(persisted.length >= 2)
+})
+
+test('签发失败后 fail-closed，可编辑并以相同 request id 重试签发', async () => {
+  const targetMessage = { id: 'preview-2', applicationPreview: null }
+  const { actions } = createActions()
+  const requestIds = []
+  let attempt = 0
+  global.fetch = async (_url, options) => {
+    attempt += 1
+    requestIds.push(JSON.parse(options.body).request_id)
+    if (attempt === 1) {
+      return {
+        ok: false,
+        status: 503,
+        async json() {
+          return { detail: '签发服务暂不可用' }
+        }
+      }
+    }
+    return {
+      ok: true,
+      async json() {
+        return {
+          decision_id: 'decision-assistant-retry',
+          application_preview: { fields: { reason: '服务端规范事由' } }
+        }
+      }
+    }
+  }
+
+  const failed = await actions.registerApplicationPreviewDecision({
+    applicationPreview: createPreview(),
+    sourceText: '去上海做客户现场实施',
+    targetMessage
+  })
+  assert.equal(failed.decisionTrackingStatus, 'registration_failed')
+  assert.equal(failed.decisionId, '')
+  assert.equal(actions.canSaveApplicationPreviewDraft(targetMessage), false)
+  await assert.rejects(
+    actions.runApplicationPreviewAction(AI_APPLICATION_ACTION_SUBMIT, targetMessage),
+    /尚未通过服务端签发/
+  )
+
+  targetMessage.applicationPreview.fields.reason = '用户修正后的事由'
+  const retried = await actions.retryApplicationPreviewDecision(targetMessage)
+  assert.equal(retried, true)
+  assert.equal(requestIds[1], requestIds[0])
+  assert.equal(targetMessage.applicationPreview.fields.reason, '用户修正后的事由')
+  assert.equal(targetMessage.applicationPreview.decisionId, 'decision-assistant-retry')
+})
+
+test('动作失败重试复用 action request id；保存成功更新草稿和 next decision', async () => {
+  const message = {
+    id: 'preview-3',
+    applicationPreview: createPreview({
+      decisionId: 'decision-assistant-action',
+      decisionTrackingStatus: 'registered',
+      decisionActionRequestId: 'action:stable-retry'
+    }),
+    draftPayload: null
+  }
+  const { actions, emitted, state } = createActions()
+  const actionBodies = []
+  let attempt = 0
+  global.fetch = async (_url, options) => {
+    attempt += 1
+    actionBodies.push(JSON.parse(options.body))
+    if (attempt === 1) {
+      return {
+        ok: false,
+        status: 503,
+        async json() {
+          return { detail: '动作服务暂不可用' }
+        }
+      }
+    }
+    return {
+      ok: true,
+      async json() {
+        return {
+          status: 'succeeded',
+          result: {
+            draft_payload: {
+              claim_id: 'claim-assistant-draft',
+              claim_no: 'AP-20260714-001',
+              approval_stage: '待提交'
+            },
+            decision_id: 'decision-assistant-next',
+            decision_expires_at: '2026-07-14T11:00:00Z'
+          }
+        }
+      }
+    }
+  }
+
+  await assert.rejects(
+    actions.runApplicationPreviewAction(AI_APPLICATION_ACTION_SAVE_DRAFT, message),
+    /动作服务暂不可用/
+  )
+  assert.equal(message.applicationPreview.decisionActionRequestId, 'action:stable-retry')
+  await actions.saveApplicationPreviewDraft(message)
+
+  assert.equal(actionBodies[0].request_id, 'action:stable-retry')
+  assert.equal(actionBodies[1].request_id, 'action:stable-retry')
+  assert.equal(actionBodies[1].context_json.entry_source, 'application')
+  assert.equal(actionBodies[1].context_json.source, 'financial_assistant')
+  assert.equal(message.draftPayload.claim_id, 'claim-assistant-draft')
+  assert.equal(state.draftClaimId.value, 'claim-assistant-draft')
+  assert.equal(message.applicationPreview.decisionId, 'decision-assistant-next')
+  assert.notEqual(message.applicationPreview.decisionActionRequestId, 'action:stable-retry')
+  assert.equal(emitted[0].status, 'draft')
+})
+
+test('decision 过期后清空旧 ID 并开放重新签发', async () => {
+  const message = {
+    id: 'preview-expired',
+    applicationPreview: createPreview({
+      decisionId: 'decision-expired',
+      decisionTrackingStatus: 'registered',
+      decisionIssueRequestId: 'preview:old',
+      decisionActionRequestId: 'action:expired'
+    })
+  }
+  const { actions } = createActions()
+  global.fetch = async () => ({
+    ok: false,
+    status: 409,
+    async json() {
+      return { detail: '该预览决策已过期，请重新生成预览。' }
+    }
+  })
+
+  await assert.rejects(
+    actions.runApplicationPreviewAction(AI_APPLICATION_ACTION_SUBMIT, message),
+    /已过期/
+  )
+  assert.equal(message.applicationPreview.decisionId, '')
+  assert.equal(message.applicationPreview.decisionTrackingStatus, 'registration_failed')
+  assert.notEqual(message.applicationPreview.decisionIssueRequestId, 'preview:old')
+  assert.equal(message.applicationPreview.decisionActionRequestId, '')
+  assert.equal(actions.canRetryApplicationPreviewDecision(message), true)
+})
+
+test('本地快照保留签发与动作 request id，并把中断中的签发恢复为可重试状态', () => {
+  const pending = createPreview({
+    decisionIssueRequestId: 'preview:recover',
+    decisionActionRequestId: 'action:recover',
+    decisionTrackingStatus: 'registering'
+  })
+  const serialized = serializeSessionMessages([{
+    id: 'preview-4',
+    role: 'assistant',
+    text: '正在签发',
+    attachments: [],
+    pendingApplicationPreviewDecision: pending
+  }])
+  assert.equal(
+    serialized[0].pendingApplicationPreviewDecision.decisionIssueRequestId,
+    'preview:recover'
+  )
+
+  const restored = normalizeSnapshotMessage(serialized[0])
+  assert.equal(restored.applicationPreview.decisionIssueRequestId, 'preview:recover')
+  assert.equal(restored.applicationPreview.decisionActionRequestId, 'action:recover')
+  assert.equal(restored.applicationPreview.decisionTrackingStatus, 'registration_failed')
+})
+
+function createSubmitConfirm({ message, runApplicationPreviewAction, submitComposer }) {
+  const applicationSubmitConfirmDialog = { value: { open: true, message } }
+  const reviewActionBusy = { value: false }
+  const toasts = []
+  const api = useTravelReimbursementApplicationSubmitConfirm({
+    activeSessionType: { value: 'application' },
+    applicationSubmitConfirmDialog,
+    buildStewardFieldItems: () => [],
+    createMessage: (role, text, _attachments, extras = {}) => ({ role, text, ...extras }),
+    emitDraftSaved: () => {},
+    formatStewardMissingFieldList: () => '',
+    formatStewardOntologyFields: () => '',
+    linkedRequest: { value: null },
+    messages: { value: [] },
+    nextTick: (callback) => callback?.(),
+    persistSessionState: () => {},
+    reviewActionBusy,
+    runApplicationPreviewAction,
+    scrollToBottom: () => {},
+    submitComposer,
+    submitting: { value: false },
+    toast: (text) => toasts.push(text)
+  })
+  return { api, toasts }
+}
+
+test('structured preview 只走认证 action；未签发失败时也不降级到 Orchestrator', async () => {
+  let actionCalls = 0
+  let orchestratorCalls = 0
+  const unsignedMessage = {
+    applicationPreview: createPreview({
+      decisionTrackingStatus: 'registration_failed',
+      decisionId: ''
+    })
+  }
+  const { api, toasts } = createSubmitConfirm({
+    message: unsignedMessage,
+    runApplicationPreviewAction: async () => {
+      actionCalls += 1
+      throw new Error('申请预览尚未通过服务端签发')
+    },
+    submitComposer: async () => {
+      orchestratorCalls += 1
+      return null
+    }
+  })
+
+  await api.confirmApplicationSubmit()
+  assert.equal(actionCalls, 1)
+  assert.equal(orchestratorCalls, 0)
+  assert.match(toasts[0], /尚未通过服务端签发/)
+})
+
+test('旧消息没有 structured preview 时保留 Orchestrator fallback', async () => {
+  let actionCalls = 0
+  let orchestratorCalls = 0
+  const { api } = createSubmitConfirm({
+    message: { text: '旧版确认消息' },
+    runApplicationPreviewAction: async () => {
+      actionCalls += 1
+      return null
+    },
+    submitComposer: async () => {
+      orchestratorCalls += 1
+      return { status: 'succeeded', result: {} }
+    }
+  })
+
+  await api.confirmApplicationSubmit()
+  assert.equal(actionCalls, 0)
+  assert.equal(orchestratorCalls, 1)
+})

web/tests/travel-reimbursement-conversation-preview-restore.test.mjs

@@ -0,0 +1,59 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import {
+  normalizeInitialConversationMessages
+} from '../src/views/scripts/travelReimbursementConversationStateModel.js'
+
+test('Orchestrator 会话恢复 assistant 的 application preview，并保留既有结果字段', () => {
+  const applicationPreview = {
+    decision_id: 'decision-session-1',
+    fields: {
+      applicationType: '差旅费用申请',
+      location: '上海',
+      reason: '客户现场实施'
+    }
+  }
+  const [message] = normalizeInitialConversationMessages({
+    messages: [{
+      id: 'assistant-message-1',
+      role: 'assistant',
+      content: '申请预览已生成',
+      created_at: '2026-07-14T08:00:00Z',
+      message_json: {
+        orchestrator_payload: {
+          result: {
+            application_preview: applicationPreview,
+            draft_payload: { claim_id: 'claim-draft-1' },
+            review_payload: { summary: '复核通过' },
+            risk_flags: [{ code: 'policy-limit' }]
+          }
+        }
+      }
+    }]
+  })
+
+  assert.deepEqual(message.applicationPreview, applicationPreview)
+  assert.deepEqual(message.draftPayload, { claim_id: 'claim-draft-1' })
+  assert.deepEqual(message.reviewPayload, { summary: '复核通过' })
+  assert.deepEqual(message.riskFlags, [{ code: 'policy-limit' }])
+})
+
+test('user 消息不能从 payload 恢复 application preview', () => {
+  const [message] = normalizeInitialConversationMessages({
+    messages: [{
+      id: 'user-message-1',
+      role: 'user',
+      content: '保存草稿',
+      message_json: {
+        orchestrator_payload: {
+          result: {
+            application_preview: { fields: { reason: '伪造预览' } }
+          }
+        }
+      }
+    }]
+  })
+
+  assert.equal(message.applicationPreview, null)
+})

web/tests/workbench-ai-action-router.test.mjs

@@ -305,148 +305,52 @@ test('workbench standalone draft action asks before creating a new reimbursement
   })
 })
 
-test('workbench steward executable submit action runs precheck before submit and writes result message', async () => {
+test('workbench steward application side effect opens signed preview before submit', () => {
-  const requests = []
+  let previewPayload = null
-  const originalFetch = globalThis.fetch
+  const router = useWorkbenchAiActionRouter({
-  globalThis.fetch = async (_url, options = {}) => {
+    aiExpenseDraft: { value: null },
-    const body = JSON.parse(String(options.body || '{}'))
+    applicationFlow: {
-    requests.push(body)
+      isInlineSuggestedActionDisabled: () => false,
-    if (body.action_type === 'run_duplicate_precheck') {
+      executeInlineApplicationPreviewAction: () => {}
-      return {
+    },
-        ok: true,
+    assistantDraft: { value: '' },
-        async json() {
+    attachmentFlow: { confirmAiAttachmentAssociation: () => {} },
-          return {
+    emit: () => {},
-            action_type: 'run_duplicate_precheck',
+    expenseFlow: {
-            status: 'succeeded',
+      linkAiExpenseApplication: () => {},
-            message: '未发现重复或冲突申请，可以继续提交。',
+      pushInlineExpenseSceneSelectionPrompt: () => {},
-            result_payload: {
+      startAiApplicationPreviewFromAction: (payload) => {
-              status: 'ok',
+        previewPayload = payload
-              blocking: false
+      },
-            }
+      startAiExpenseDraft: () => {}
-          }
+    },
-        }
+    focusAiModeInput: () => {},
-      }
+    hasInlineAttachmentOcrDetails: () => false,
-    }
+    resolveLatestInlineUserPrompt: () => '',
-    return {
+    selectedFiles: { value: [] },
-      ok: true,
+    startInlineConversation: () => {},
-      async json() {
+    toast: () => {},
-        return {
+    toggleInlineAttachmentOcrDetails: () => {}
-          action_type: 'submit_application',
+  })
-          status: 'succeeded',
-          message: '申请已提交审批。',
-          result_payload: {
-            draft_payload: {
-              claim_id: 'claim-app-1',
-              claim_no: 'A1BCDEF2'
-            }
-          }
-        }
-      }
-    }
-  }
 
-  try {
+  router.handleInlineSuggestedAction({
-    const messages = []
+    label: '确认提交申请',
-    let messageSeq = 0
+    action_type: 'switch_session',
-    const createInlineMessage = (role, content, options = {}) => ({
+    payload: {
-      id: options.id || `msg-${++messageSeq}`,
+      steward_execute_action: true,
-      role,
+      steward_action_type: 'submit_application',
-      content,
+      steward_current_task: {
-      pending: Boolean(options.pending),
+        task_id: 'task-app-1',
-      suggestedActions: Array.isArray(options.suggestedActions) ? options.suggestedActions : []
+        task_type: 'expense_application',
-    })
+        requested_action: 'submit'
-    const replaceInlineMessage = (id, nextMessage) => {
+      },
-      const index = messages.findIndex((item) => item.id === id)
+      carry_text: '2026-02-20 至 2026-02-23，去上海出差，交通火车，直接提交'
-      if (index >= 0) {
-        messages.splice(index, 1, nextMessage)
-      }
-    }
-    let persisted = false
-    const router = useWorkbenchAiActionRouter({
-      aiExpenseDraft: { value: null },
-      applicationFlow: {
-        isInlineSuggestedActionDisabled: () => false,
-        executeInlineApplicationPreviewAction: () => {}
-      },
-      assistantDraft: { value: '' },
-      attachmentFlow: {
-        confirmAiAttachmentAssociation: () => {}
-      },
-      conversationMessages: { value: messages },
-      createInlineMessage,
-      emit: () => {},
-      expenseFlow: {
-        linkAiExpenseApplication: () => {},
-        pushInlineExpenseSceneSelectionPrompt: () => {},
-        startAiApplicationPreviewFromAction: () => {},
-        startAiExpenseDraft: () => {}
-      },
-      focusAiModeInput: () => {},
-      hasInlineAttachmentOcrDetails: () => false,
-      persistCurrentConversation: () => {
-        persisted = true
-      },
-      replaceInlineMessage,
-      resolveLatestInlineUserPrompt: () => '2026-02-20 至 2026-02-23，去上海出差，交通火车，直接提交',
-      scrollInlineConversationToBottom: () => {},
-      selectedFiles: { value: [] },
-      startInlineConversation: () => {},
-      toast: () => {},
-      toggleInlineAttachmentOcrDetails: () => {}
-    })
-    const sourceMessage = {
-      suggestedActionsLocked: false
     }
+  })
 
-    await router.handleInlineSuggestedAction({
+  assert.equal(previewPayload?.steward_action_type, 'submit_application')
-      label: '确认提交申请',
+  assert.equal(previewPayload?.steward_current_task?.task_type, 'expense_application')
-      action_type: 'switch_session',
+  assert.match(previewPayload?.carry_text || '', /直接提交/)
-      payload: {
-        steward_execute_action: true,
-        steward_plan_id: 'plan-submit-1',
-        steward_action_type: 'submit_application',
-        steward_action_requires_confirmation: true,
-        steward_action_step: {
-          step_id: 'task-app-1:05',
-          action_type: 'submit_application',
-          requires_confirmation: true
-        },
-        steward_current_task: {
-          task_id: 'task-app-1',
-          task_type: 'expense_application',
-          assigned_agent: 'application_assistant',
-          title: '上海出差申请',
-          summary: '2026-02-20 至 2026-02-23 去上海出差，交通火车。',
-          requested_action: 'submit',
-          ontology_fields: {
-            expense_type: 'travel',
-            time_range: '2026-02-20 至 2026-02-23',
-            location: '上海',
-            reason: '辅助国网仿生产服务器部署',
-            transport_mode: 'train'
-          },
-          missing_fields: [],
-          action_steps: [
-            { step_id: 'task-app-1:04', action_type: 'run_duplicate_precheck' },
-            { step_id: 'task-app-1:05', action_type: 'submit_application', requires_confirmation: true }
-          ]
-        },
-        carry_text: '2026-02-20 至 2026-02-23，去上海出差，交通火车，直接提交'
-      }
-    }, sourceMessage)
-
-    assert.equal(requests.length, 2)
-    assert.equal(requests[0].action_type, 'run_duplicate_precheck')
-    assert.equal(requests[1].action_type, 'submit_application')
-    assert.equal(requests[1].confirmed, true)
-    assert.equal(requests[1].context_json.precheck_result.status, 'ok')
-    assert.equal(sourceMessage.suggestedActionsLocked, true)
-    assert.equal(persisted, true)
-    assert.match(messages.at(-1).content, /申请已提交审批/)
-    assert.equal(messages.at(-1).suggestedActions[0].action_type, 'open_application_detail')
-  } finally {
-    globalThis.fetch = originalFetch
-  }
 })
 
 test('workbench steward continue-next-task reimbursement prefills ontology and forwards remaining tasks', () => {