fix: prevent repeated task creation after failures

tests/test_gitea_service.py

@@ -18,8 +18,8 @@ def make_config(tmp_path: Path, **overrides: object) -> AppConfig:
         "scheduler": {"interval_seconds": 1, "concurrency": 1, "lease_seconds": 60},
         "workspace": {"root": tmp_path / "workspaces", "cleanup_on_success": False},
         "agents": {
-            "implementer": {"command": ["implementer", "-"]},
-            "reviewer": {"command": ["reviewer", "-"]},
+            "implementer": {"command": ["implementer", "--cd", "{workspace_path}", "-"]},
+            "reviewer": {"command": ["reviewer", "--cd", "{workspace_path}", "-"]},
         },
     }
     data.update(overrides)
@@ -208,6 +208,9 @@ def test_run_task_success_posts_review_comments(db, tmp_path):
     assert task is not None
     assert task.state == TaskState.HUMAN_REVIEW_READY
     assert task.pr_number == 5
+    command = json.loads(db.list_agent_runs(task.id)[0]["command_json"])
+    assert command[1] == "--cd"
+    assert Path(command[2]).is_absolute()
     assert [path for _, path, _ in requests].count("/api/v1/repos/acme/service/issues/5/comments") == 2