feat(health): 班次管理与护士分配 — Shift/PatientAssignment/HandoffLog CRUD

- 新增 3 张数据表迁移 (shifts, patient_assignments, shift_handoff_log)
- 3 个 SeaORM Entity (shift, patient_assignment, handoff_log)
- 完整 CRUD 服务层：班次管理、患者分配（含批量分配）、交接记录
- 12 个 API 端点 + health.shifts.list/manage 权限
- 班次列表含患者分配摘要 (patient_count/critical_count/attention_count)
- 乐观锁、软删除、审计日志、事件发布
- 输入验证：period/shift_status/care_level 白名单

crates/erp-health/src/module.rs

@@ -9,7 +9,7 @@ use crate::handler::{
     action_inbox_handler,
     alert_handler, alert_rule_handler,
     appointment_handler, article_category_handler, article_handler, article_tag_handler, care_plan_handler, consultation_handler, consent_handler, critical_alert_handler, critical_value_threshold_handler, daily_monitoring_handler, device_handler, device_reading_handler, diagnosis_handler, doctor_handler, follow_up_handler, follow_up_template_handler,
-    health_data_handler, medication_record_handler, medication_reminder_handler, patient_handler, points_handler, stats_handler,
+    health_data_handler, medication_record_handler, medication_reminder_handler, patient_handler, points_handler, shift_handler, stats_handler,
     vital_signs_daily_handler,
 };
 
@@ -852,6 +852,38 @@ impl HealthModule {
                 axum::routing::put(care_plan_handler::update_care_plan_outcome)
                     .delete(care_plan_handler::delete_care_plan_outcome),
             )
+            // 班次管理
+            .route(
+                "/health/shifts",
+                axum::routing::get(shift_handler::list_shifts)
+                    .post(shift_handler::create_shift),
+            )
+            .route(
+                "/health/shifts/{shift_id}",
+                axum::routing::get(shift_handler::get_shift)
+                    .put(shift_handler::update_shift)
+                    .delete(shift_handler::delete_shift),
+            )
+            .route(
+                "/health/shifts/{shift_id}/assignments",
+                axum::routing::get(shift_handler::list_assignments)
+                    .post(shift_handler::create_assignment),
+            )
+            .route(
+                "/health/shifts/{shift_id}/assignments/batch",
+                axum::routing::post(shift_handler::batch_assign),
+            )
+            .route(
+                "/health/shifts/{shift_id}/assignments/{assignment_id}",
+                axum::routing::put(shift_handler::update_assignment)
+                    .delete(shift_handler::delete_assignment),
+            )
+            // 交接记录
+            .route(
+                "/health/handoff-logs",
+                axum::routing::get(shift_handler::list_handoffs)
+                    .post(shift_handler::create_handoff),
+            )
     }
 }
 
@@ -1285,6 +1317,19 @@ impl ErpModule for HealthModule {
                 description: "创建/编辑/删除护理计划、条目和预后测量".into(),
                 module: "health".into(),
             },
+            // 班次管理
+            PermissionDescriptor {
+                code: "health.shifts.list".into(),
+                name: "查看班次".into(),
+                description: "查看班次列表、患者分配和交接记录".into(),
+                module: "health".into(),
+            },
+            PermissionDescriptor {
+                code: "health.shifts.manage".into(),
+                name: "管理班次".into(),
+                description: "创建/编辑班次、分配患者、创建交接记录".into(),
+                module: "health".into(),
+            },
         ]
     }