add aws-vault + fix method call

Author: benkermani

mcp-server.sh

@@ -2,4 +2,4 @@ export VAULT_ADDR=https://vault.us1.staging.dog
 vault login -method=oidc
 export VAULT_TOKEN=$(vault print token)
 
-uv run -m spark_history_mcp.core.main
+aws-vault exec sso-staging-engineering -- uv run -m spark_history_mcp.core.main

src/spark_history_mcp/common/s3_client.py

@@ -25,7 +25,7 @@ def is_spark_event_logs_already_indexed(self, spark_app_id: str) -> bool:
     def copy_spark_events_logs(self, spark_app_id: str):
         # get spark events logs file to copy/index
         src_prefix = f"spark_logs/{spark_app_id}"
-        base_logs = self.client.list_contents_by_prefix(src_prefix, self.bucket_name)
+        base_logs = self.list_contents_by_prefix(src_prefix, self.bucket_name)
         if not base_logs:
             raise Exception(f"Logs for {spark_app_id} not found. Is the job older than one month?", 404)