diff --git a/checkpoint.json b/checkpoint.json
new file mode 100644
index 000000000..27efe575b
--- /dev/null
+++ b/checkpoint.json
@@ -0,0 +1,57 @@
+{
+  "timestamp": "2026-03-16T12:09:00.581855Z",
+  "current_node": "setup",
+  "completed_nodes": [
+    "start",
+    "setup"
+  ],
+  "node_retries": {
+    "start": 1,
+    "setup": 1
+  },
+  "context_values": {
+    "current_node": "setup",
+    "internal.fidelity": "compact",
+    "command.output": "fatal: destination path '.' already exists and is not an empty directory.\n",
+    "internal.run_id": "01KKV8S50A7M64QK4DY769RV57",
+    "current.preamble": "Goal: admin_views.test_multidb fails with persistent test SQLite database.\nDescription\n\t \n\t\t(last modified by Mariusz Felisiak)\n\t \nI've tried using persistent SQLite databases for the tests (to make use of\n--keepdb), but at least some test fails with:\nsqlite3.OperationalError: database is locked\nThis is not an issue when only using TEST[\"NAME\"] with \"default\" (which is good enough in terms of performance).\ndiff --git i/tests/test_sqlite.py w/tests/test_sqlite.py\nindex f1b65f7d01..9ce4e32e14 100644\n--- i/tests/test_sqlite.py\n+++ w/tests/test_sqlite.py\n@@ -15,9 +15,15 @@\n DATABASES = {\n\t 'default': {\n\t\t 'ENGINE': 'django.db.backends.sqlite3',\n+\t\t'TEST': {\n+\t\t\t'NAME': 'test_default.sqlite3'\n+\t\t},\n\t },\n\t 'other': {\n\t\t 'ENGINE': 'django.db.backends.sqlite3',\n+\t\t'TEST': {\n+\t\t\t'NAME': 'test_other.sqlite3'\n+\t\t},\n\t }\n }\n% tests/runtests.py admin_views.test_multidb -v 3 --keepdb --parallel 1\n…\nOperations to perform:\n Synchronize unmigrated apps: admin_views, auth, contenttypes, messages, sessions, staticfiles\n Apply all migrations: admin, sites\nRunning pre-migrate handlers for application contenttypes\nRunning pre-migrate handlers for application auth\nRunning pre-migrate handlers for application sites\nRunning pre-migrate handlers for application sessions\nRunning pre-migrate handlers for application admin\nRunning pre-migrate handlers for application admin_views\nSynchronizing apps without migrations:\n Creating tables...\n\tRunning deferred SQL...\nRunning migrations:\n No migrations to apply.\nRunning post-migrate handlers for application contenttypes\nRunning post-migrate handlers for application auth\nRunning post-migrate handlers for application sites\nRunning post-migrate handlers for application sessions\nRunning post-migrate handlers for application admin\nRunning post-migrate handlers for application admin_views\nSystem check identified no issues (0 silenced).\nERROR\n======================================================================\nERROR: setUpClass (admin_views.test_multidb.MultiDatabaseTests)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"…/Vcs/django/django/db/backends/utils.py\", line 84, in _execute\n\treturn self.cursor.execute(sql, params)\n File \"…/Vcs/django/django/db/backends/sqlite3/base.py\", line 391, in execute\n\treturn Database.Cursor.execute(self, query, params)\nsqlite3.OperationalError: database is locked\nThe above exception was the direct cause of the following exception:\nTraceback (most recent call last):\n File \"…/Vcs/django/django/test/testcases.py\", line 1137, in setUpClass\n\tcls.setUpTestData()\n File \"…/Vcs/django/tests/admin_views/test_multidb.py\", line 40, in setUpTestData\n\tusername='admin', password='something', email='test@test.org',\n File \"…/Vcs/django/django/contrib/auth/models.py\", line 158, in create_superuser\n\treturn self._create_user(username, email, password, **extra_fields)\n File \"…/Vcs/django/django/contrib/auth/models.py\", line 141, in _create_user\n\tuser.save(using=self._db)\n File \"…/Vcs/django/django/contrib/auth/base_user.py\", line 66, in save\n\tsuper().save(*args, **kwargs)\n File \"…/Vcs/django/django/db/models/base.py\", line 741, in save\n\tforce_update=force_update, update_fields=update_fields)\n File \"…/Vcs/django/django/db/models/base.py\", line 779, in save_base\n\tforce_update, using, update_fields,\n File \"…/Vcs/django/django/db/models/base.py\", line 870, in _save_table\n\tresult = self._do_insert(cls._base_manager, using, fields, update_pk, raw)\n File \"…/Vcs/django/django/db/models/base.py\", line 908, in _do_insert\n\tusing=using, raw=raw)\n File \"…/Vcs/django/django/db/models/manager.py\", line 82, in manager_method\n\treturn getattr(self.get_queryset(), name)(*args, **kwargs)\n File \"…/Vcs/django/django/db/models/query.py\", line 1175, in _insert\n\treturn query.get_compiler(using=using).execute_sql(return_id)\n File \"…/Vcs/django/django/db/models/sql/compiler.py\", line 1321, in execute_sql\n\tcursor.execute(sql, params)\n File \"…/Vcs/django/django/db/backends/utils.py\", line 67, in execute\n\treturn self._execute_with_wrappers(sql, params, many=False, executor=self._execute)\n File \"…/Vcs/django/django/db/backends/utils.py\", line 76, in _execute_with_wrappers\n\treturn executor(sql, params, many, context)\n File \"…/Vcs/django/django/db/backends/utils.py\", line 84, in _execute\n\treturn self.cursor.execute(sql, params)\n File \"…/Vcs/django/django/db/utils.py\", line 89, in __exit__\n\traise dj_exc_value.with_traceback(traceback) from exc_value\n File \"…/Vcs/django/django/db/backends/utils.py\", line 84, in _execute\n\treturn self.cursor.execute(sql, params)\n File \"…/Vcs/django/django/db/backends/sqlite3/base.py\", line 391, in execute\n\treturn Database.Cursor.execute(self, query, params)\ndjango.db.utils.OperationalError: database is locked\n\n\n\n## Additional Context\n\nThis is only an issue when setting TEST[\"NAME\"], but not NAME. The following works: DATABASES = { 'default': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': 'django_tests_default.sqlite3', }, 'other': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': 'django_tests_other.sqlite3', } }\nReproduced at 0dd2308cf6f559a4f4b50edd7c005c7cf025d1aa.\nCreated ​PR\nHey, I am able to replicate this bug and was able to fix it as well with the help of ​https://github.com/django/django/pull/11678, but the point I am stuck at is how to test it, I am not able to manipulate the cls variable so the next option that is left is create a file like test_sqlite and pass it as a parameter in runtests, should I be doing that?\nI think we should add tests/backends/sqlite/test_creation.py with regressions tests for test_db_signature(), you can take a look at tests/backends/base/test_creation.py with similar tests.\n",
+    "internal.retry_count.setup": 1,
+    "internal.thread_id": "start",
+    "outcome": "fail",
+    "internal.node_visit_count": 1,
+    "internal.retry_count.start": 1,
+    "graph.goal": "admin_views.test_multidb fails with persistent test SQLite database.\nDescription\n\t \n\t\t(last modified by Mariusz Felisiak)\n\t \nI've tried using persistent SQLite databases for the tests (to make use of\n--keepdb), but at least some test fails with:\nsqlite3.OperationalError: database is locked\nThis is not an issue when only using TEST[\"NAME\"] with \"default\" (which is good enough in terms of performance).\ndiff --git i/tests/test_sqlite.py w/tests/test_sqlite.py\nindex f1b65f7d01..9ce4e32e14 100644\n--- i/tests/test_sqlite.py\n+++ w/tests/test_sqlite.py\n@@ -15,9 +15,15 @@\n DATABASES = {\n\t 'default': {\n\t\t 'ENGINE': 'django.db.backends.sqlite3',\n+\t\t'TEST': {\n+\t\t\t'NAME': 'test_default.sqlite3'\n+\t\t},\n\t },\n\t 'other': {\n\t\t 'ENGINE': 'django.db.backends.sqlite3',\n+\t\t'TEST': {\n+\t\t\t'NAME': 'test_other.sqlite3'\n+\t\t},\n\t }\n }\n% tests/runtests.py admin_views.test_multidb -v 3 --keepdb --parallel 1\n…\nOperations to perform:\n Synchronize unmigrated apps: admin_views, auth, contenttypes, messages, sessions, staticfiles\n Apply all migrations: admin, sites\nRunning pre-migrate handlers for application contenttypes\nRunning pre-migrate handlers for application auth\nRunning pre-migrate handlers for application sites\nRunning pre-migrate handlers for application sessions\nRunning pre-migrate handlers for application admin\nRunning pre-migrate handlers for application admin_views\nSynchronizing apps without migrations:\n Creating tables...\n\tRunning deferred SQL...\nRunning migrations:\n No migrations to apply.\nRunning post-migrate handlers for application contenttypes\nRunning post-migrate handlers for application auth\nRunning post-migrate handlers for application sites\nRunning post-migrate handlers for application sessions\nRunning post-migrate handlers for application admin\nRunning post-migrate handlers for application admin_views\nSystem check identified no issues (0 silenced).\nERROR\n======================================================================\nERROR: setUpClass (admin_views.test_multidb.MultiDatabaseTests)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n File \"…/Vcs/django/django/db/backends/utils.py\", line 84, in _execute\n\treturn self.cursor.execute(sql, params)\n File \"…/Vcs/django/django/db/backends/sqlite3/base.py\", line 391, in execute\n\treturn Database.Cursor.execute(self, query, params)\nsqlite3.OperationalError: database is locked\nThe above exception was the direct cause of the following exception:\nTraceback (most recent call last):\n File \"…/Vcs/django/django/test/testcases.py\", line 1137, in setUpClass\n\tcls.setUpTestData()\n File \"…/Vcs/django/tests/admin_views/test_multidb.py\", line 40, in setUpTestData\n\tusername='admin', password='something', email='test@test.org',\n File \"…/Vcs/django/django/contrib/auth/models.py\", line 158, in create_superuser\n\treturn self._create_user(username, email, password, **extra_fields)\n File \"…/Vcs/django/django/contrib/auth/models.py\", line 141, in _create_user\n\tuser.save(using=self._db)\n File \"…/Vcs/django/django/contrib/auth/base_user.py\", line 66, in save\n\tsuper().save(*args, **kwargs)\n File \"…/Vcs/django/django/db/models/base.py\", line 741, in save\n\tforce_update=force_update, update_fields=update_fields)\n File \"…/Vcs/django/django/db/models/base.py\", line 779, in save_base\n\tforce_update, using, update_fields,\n File \"…/Vcs/django/django/db/models/base.py\", line 870, in _save_table\n\tresult = self._do_insert(cls._base_manager, using, fields, update_pk, raw)\n File \"…/Vcs/django/django/db/models/base.py\", line 908, in _do_insert\n\tusing=using, raw=raw)\n File \"…/Vcs/django/django/db/models/manager.py\", line 82, in manager_method\n\treturn getattr(self.get_queryset(), name)(*args, **kwargs)\n File \"…/Vcs/django/django/db/models/query.py\", line 1175, in _insert\n\treturn query.get_compiler(using=using).execute_sql(return_id)\n File \"…/Vcs/django/django/db/models/sql/compiler.py\", line 1321, in execute_sql\n\tcursor.execute(sql, params)\n File \"…/Vcs/django/django/db/backends/utils.py\", line 67, in execute\n\treturn self._execute_with_wrappers(sql, params, many=False, executor=self._execute)\n File \"…/Vcs/django/django/db/backends/utils.py\", line 76, in _execute_with_wrappers\n\treturn executor(sql, params, many, context)\n File \"…/Vcs/django/django/db/backends/utils.py\", line 84, in _execute\n\treturn self.cursor.execute(sql, params)\n File \"…/Vcs/django/django/db/utils.py\", line 89, in __exit__\n\traise dj_exc_value.with_traceback(traceback) from exc_value\n File \"…/Vcs/django/django/db/backends/utils.py\", line 84, in _execute\n\treturn self.cursor.execute(sql, params)\n File \"…/Vcs/django/django/db/backends/sqlite3/base.py\", line 391, in execute\n\treturn Database.Cursor.execute(self, query, params)\ndjango.db.utils.OperationalError: database is locked\n\n\n\n## Additional Context\n\nThis is only an issue when setting TEST[\"NAME\"], but not NAME. The following works: DATABASES = { 'default': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': 'django_tests_default.sqlite3', }, 'other': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': 'django_tests_other.sqlite3', } }\nReproduced at 0dd2308cf6f559a4f4b50edd7c005c7cf025d1aa.\nCreated ​PR\nHey, I am able to replicate this bug and was able to fix it as well with the help of ​https://github.com/django/django/pull/11678, but the point I am stuck at is how to test it, I am not able to manipulate the cls variable so the next option that is left is create a file like test_sqlite and pass it as a parameter in runtests, should I be doing that?\nI think we should add tests/backends/sqlite/test_creation.py with regressions tests for test_db_signature(), you can take a look at tests/backends/base/test_creation.py with similar tests.",
+    "failure_class": "deterministic",
+    "thread.start.current_node": "setup",
+    "failure_signature": "setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.",
+    "command.stderr": "",
+    "graph.rankdir": "LR"
+  },
+  "logs": [],
+  "node_outcomes": {
+    "start": {
+      "status": "success",
+      "duration_ms": 0
+    },
+    "setup": {
+      "status": "fail",
+      "context_updates": {
+        "command.stderr": "",
+        "command.output": "fatal: destination path '.' already exists and is not an empty directory.\n"
+      },
+      "failure": {
+        "message": "Script failed with exit code: 128\n\n## stdout\nfatal: destination path '.' already exists and is not an empty directory.\n",
+        "failure_class": "deterministic"
+      },
+      "duration_ms": 23
+    }
+  },
+  "next_node_id": "solve",
+  "loop_failure_signatures": {
+    "setup|deterministic|script failed with exit code: <n> ## stdout fatal: destination path '.' already exists and is not an empty directory.": 1
+  },
+  "node_visits": {
+    "start": 1,
+    "setup": 1
+  }
+}
\ No newline at end of file
diff --git a/nodes/setup/script_invocation.json b/nodes/setup/script_invocation.json
new file mode 100644
index 000000000..b7631d1e6
--- /dev/null
+++ b/nodes/setup/script_invocation.json
@@ -0,0 +1,5 @@
+{
+  "command": "git clone https://github.com/django/django.git . && git checkout 62254c5202e80a68f4fe6572a2be46a3d953de1a && python -m pip install -e .",
+  "language": "shell",
+  "timeout_ms": null
+}
\ No newline at end of file
diff --git a/nodes/setup/script_timing.json b/nodes/setup/script_timing.json
new file mode 100644
index 000000000..1854d02dc
--- /dev/null
+++ b/nodes/setup/script_timing.json
@@ -0,0 +1,5 @@
+{
+  "duration_ms": 23,
+  "exit_code": 128,
+  "timed_out": false
+}
\ No newline at end of file
diff --git a/nodes/setup/status.json b/nodes/setup/status.json
new file mode 100644
index 000000000..8038b25b4
--- /dev/null
+++ b/nodes/setup/status.json
@@ -0,0 +1,6 @@
+{
+  "status": "fail",
+  "notes": null,
+  "failure_reason": "Script failed with exit code: 128\n\n## stdout\nfatal: destination path '.' already exists and is not an empty directory.\n",
+  "timestamp": "2026-03-16T12:09:00.581698+00:00"
+}
\ No newline at end of file
diff --git a/nodes/start/status.json b/nodes/start/status.json
new file mode 100644
index 000000000..c4b4b0fbc
--- /dev/null
+++ b/nodes/start/status.json
@@ -0,0 +1,6 @@
+{
+  "status": "success",
+  "notes": null,
+  "failure_reason": null,
+  "timestamp": "2026-03-16T12:09:00.556696+00:00"
+}
\ No newline at end of file