feat: add get_job_status tool

tests/unit/test_status_tool.py

@@ -0,0 +1,36 @@
+# coding=utf-8
+from datetime import datetime
+from unittest.mock import patch
+
+from spark_executor.core.job_store import JobStore
+from spark_executor.models import Job
+from spark_executor.tools import status
+
+
+def test_get_job_status_returns_state():
+    status.store = JobStore()
+    status.store.put(
+        Job(
+            job_id="abc",
+            application_id="application_1",
+            script_path="/tmp/j.py",
+            queue="default",
+            submit_time=datetime(2026, 6, 24),
+            connection="prod",
+        )
+    )
+    with patch(
+        "spark_executor.tools.status.get_application_status",
+        return_value=("RUNNING", "State : RUNNING\n"),
+    ):
+        out = status.get_job_status("abc")
+    assert out.application_id == "application_1"
+    assert out.state == "RUNNING"
+    assert "RUNNING" in out.raw
+
+
+def test_get_job_status_raises_for_unknown_job():
+    status.store = JobStore()
+    import pytest
+    with pytest.raises(KeyError):
+        status.get_job_status("missing")