fix: organization列名 name→orgname 对照model定义

sage_datamart/dashboards.py

@@ -247,7 +247,7 @@ async def get_top_models(env, sor, limit=5):
 async def get_top_providers(env, sor, limit=5):
     """Top N 供应商（按金额，全量）"""
     sql = """SELECT f.providerid, COUNT(*) as cnt, COALESCE(SUM(f.amount_cny), 0) as total_amount,
-             COALESCE(o.name, f.providerid) as provider_name
+             COALESCE(o.orgname, f.providerid) as provider_name
     FROM dm_model_call_fact f
     LEFT JOIN organization o ON o.id = f.providerid
     WHERE f.providerid IS NOT NULL