feat(health): 添加工作台统计和团队概览 API

- ActionInboxService 新增 get_workbench_stats 和 get_team_overview
- Handler 新增 /health/action-inbox/stats 和 /team 端点
- 注册 health.action-inbox.team 权限码

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

@@ -5,7 +5,7 @@ use erp_core::rbac::require_permission;
 use erp_core::types::{ApiResponse, PaginatedResponse, TenantContext};
 
 use crate::service::action_inbox_service::{
-    self, ActionInboxQuery, ActionItem, ThreadResponse,
+    self, ActionInboxQuery, ActionItem, TeamOverview, ThreadResponse, WorkbenchStats,
 };
 use crate::state::HealthState;
 
@@ -41,3 +41,31 @@ where
         None => Err(crate::error::HealthError::Validation("行动项未找到".into()).into()),
     }
 }
+
+pub async fn get_workbench_stats<S>(
+    State(state): State<HealthState>,
+    Extension(ctx): Extension<TenantContext>,
+) -> Result<Json<ApiResponse<WorkbenchStats>>, AppError>
+where
+    HealthState: FromRef<S>,
+    S: Clone + Send + Sync + 'static,
+{
+    require_permission(&ctx, "health.action-inbox.list")?;
+    let result =
+        action_inbox_service::get_workbench_stats(&state.db, ctx.tenant_id).await?;
+    Ok(Json(ApiResponse::ok(result)))
+}
+
+pub async fn get_team_overview<S>(
+    State(state): State<HealthState>,
+    Extension(ctx): Extension<TenantContext>,
+) -> Result<Json<ApiResponse<TeamOverview>>, AppError>
+where
+    HealthState: FromRef<S>,
+    S: Clone + Send + Sync + 'static,
+{
+    require_permission(&ctx, "health.action-inbox.team")?;
+    let result =
+        action_inbox_service::get_team_overview(&state.db, ctx.tenant_id).await?;
+    Ok(Json(ApiResponse::ok(result)))
+}