feat(health): 添加 erp-health 健康管理模块骨架

新建 erp-health 原生 Rust crate，覆盖设计规格中定义的 5 大业务域：

- 16 个 SeaORM Entity（患者/家属/标签/医生/健康档案/体征/化验单/预约/排班/随访/咨询等）
- 16 表数据库迁移（含索引、外键、默认值、可回滚）
- 40+ API 路由骨架（患者管理/健康数据/预约排班/随访/咨询/医生管理）
- 12 个权限声明（health.patient/health-data/appointment/follow-up/consultation/doctor 各 .list/.manage）
- DTO / Service / Handler / Event 四层架构，Service 使用 todo!() 占位
- erp-server 集成：模块注册 + AppState FromRef 桥接 + 路由挂载

同步更新 CLAUDE.md 项目进度、wiki 知识库、设计规格文档。

crates/erp-health/src/handler/consultation_handler.rs

@@ -0,0 +1,142 @@
+use axum::Extension;
+use axum::extract::{FromRef, Json, Path, Query, State};
+use serde::{Deserialize, Serialize};
+use utoipa::{IntoParams, ToSchema};
+use uuid::Uuid;
+
+use erp_core::error::AppError;
+use erp_core::types::{ApiResponse, PaginatedResponse, TenantContext};
+
+use crate::state::HealthState;
+
+// ---------------------------------------------------------------------------
+// DTO — 咨询管理
+// ---------------------------------------------------------------------------
+
+/// 会话列表查询参数
+#[derive(Debug, Deserialize, IntoParams)]
+pub struct SessionListParams {
+    pub page: Option<u64>,
+    pub page_size: Option<u64>,
+    pub patient_id: Option<Uuid>,
+    pub doctor_id: Option<Uuid>,
+    pub status: Option<String>,
+}
+
+/// 会话响应
+#[derive(Debug, Serialize, ToSchema)]
+pub struct ConsultationSessionResp {
+    pub id: Uuid,
+    pub patient_id: Uuid,
+    pub doctor_id: Uuid,
+    pub subject: String,
+    pub status: String,
+    pub created_at: String,
+    pub updated_at: String,
+}
+
+/// 消息列表查询参数
+#[derive(Debug, Deserialize, IntoParams)]
+pub struct MessageListParams {
+    pub page: Option<u64>,
+    pub page_size: Option<u64>,
+}
+
+/// 创建消息请求
+#[derive(Debug, Deserialize, ToSchema)]
+pub struct CreateConsultationMessageReq {
+    pub content: String,
+    pub message_type: Option<String>,
+}
+
+/// 消息响应
+#[derive(Debug, Serialize, ToSchema)]
+pub struct ConsultationMessageResp {
+    pub id: Uuid,
+    pub session_id: Uuid,
+    pub sender_id: Uuid,
+    pub sender_type: String,
+    pub content: String,
+    pub message_type: String,
+    pub created_at: String,
+}
+
+/// 导出会话请求
+#[derive(Debug, Deserialize, IntoParams)]
+pub struct ExportSessionsParams {
+    pub patient_id: Option<Uuid>,
+    pub doctor_id: Option<Uuid>,
+    pub start_date: Option<String>,
+    pub end_date: Option<String>,
+}
+
+// ---------------------------------------------------------------------------
+// Handler — 咨询管理 (5 个端点)
+// ---------------------------------------------------------------------------
+
+/// GET /api/v1/health/consultations/sessions — 会话列表
+pub async fn list_sessions<S>(
+    State(_state): State<HealthState>,
+    Extension(_ctx): Extension<TenantContext>,
+    Query(_params): Query<SessionListParams>,
+) -> Result<Json<ApiResponse<PaginatedResponse<ConsultationSessionResp>>>, AppError>
+where
+    HealthState: FromRef<S>,
+    S: Clone + Send + Sync + 'static,
+{
+    Err(AppError::Internal("Not implemented yet".into()))
+}
+
+/// GET /api/v1/health/consultations/sessions/{id}/messages — 消息列表
+pub async fn list_messages<S>(
+    State(_state): State<HealthState>,
+    Extension(_ctx): Extension<TenantContext>,
+    Path(_session_id): Path<Uuid>,
+    Query(_params): Query<MessageListParams>,
+) -> Result<Json<ApiResponse<PaginatedResponse<ConsultationMessageResp>>>, AppError>
+where
+    HealthState: FromRef<S>,
+    S: Clone + Send + Sync + 'static,
+{
+    Err(AppError::Internal("Not implemented yet".into()))
+}
+
+/// PUT /api/v1/health/consultations/sessions/{id}/close — 关闭会话
+pub async fn close_session<S>(
+    State(_state): State<HealthState>,
+    Extension(_ctx): Extension<TenantContext>,
+    Path(_id): Path<Uuid>,
+) -> Result<Json<ApiResponse<ConsultationSessionResp>>, AppError>
+where
+    HealthState: FromRef<S>,
+    S: Clone + Send + Sync + 'static,
+{
+    Err(AppError::Internal("Not implemented yet".into()))
+}
+
+/// POST /api/v1/health/consultations/sessions/{id}/messages — 创建消息
+pub async fn create_message<S>(
+    State(_state): State<HealthState>,
+    Extension(_ctx): Extension<TenantContext>,
+    Path(_session_id): Path<Uuid>,
+    Json(_req): Json<CreateConsultationMessageReq>,
+) -> Result<Json<ApiResponse<ConsultationMessageResp>>, AppError>
+where
+    HealthState: FromRef<S>,
+    S: Clone + Send + Sync + 'static,
+{
+    Err(AppError::Internal("Not implemented yet".into()))
+}
+
+/// GET /api/v1/health/consultations/export — 导出会话
+pub async fn export_sessions<S>(
+    State(_state): State<HealthState>,
+    Extension(_ctx): Extension<TenantContext>,
+    Query(_params): Query<ExportSessionsParams>,
+) -> Result<Json<ApiResponse<Vec<ConsultationSessionResp>>>, AppError>
+where
+    HealthState: FromRef<S>,
+    S: Clone + Send + Sync + 'static,
+{
+    Err(AppError::Internal("Not implemented yet".into()))
+}