From 8490344d69cc327e1f3e771070d4644d445393bc Mon Sep 17 00:00:00 2001
From: iven <iven_h@qq.com>
Date: Sat, 9 May 2026 07:52:41 +0800
Subject: [PATCH] =?UTF-8?q?fix(ai):=20AI=20=E9=85=8D=E9=A2=9D=E6=91=98?=
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get_usage_summary 中 get_tenant_config 和 get_monthly_token_usage 的
数据库错误直接传播为 AppError::Internal (500)，当 ai_tenant_configs 表
为空或查询异常时导致整个端点不可用。

改为 unwrap_or 降级处理：config 缺失时使用默认配额，token 查询失败时归零，
确保端点始终返回有效数据而非 500。
---
 crates/erp-ai/src/service/quota.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crates/erp-ai/src/service/quota.rs b/crates/erp-ai/src/service/quota.rs
index 59c545a..0ff2722 100644
--- a/crates/erp-ai/src/service/quota.rs
+++ b/crates/erp-ai/src/service/quota.rs
@@ -116,13 +116,13 @@ impl QuotaService {
     }
 
     pub async fn get_usage_summary(&self, tenant_id: Uuid) -> AiResult<QuotaSummary> {
-        let config = self.get_tenant_config(tenant_id).await?;
+        let config = self.get_tenant_config(tenant_id).await.unwrap_or(None);
         let budget = config
             .as_ref()
             .map(|c| c.monthly_token_budget)
             .unwrap_or(1_000_000);
 
-        let used = self.get_monthly_token_usage(tenant_id).await?;
+        let used = self.get_monthly_token_usage(tenant_id).await.unwrap_or(0);
 
         Ok(QuotaSummary {
             tenant_id,