diff --git a/backend/api_v2/deployment_helper.py b/backend/api_v2/deployment_helper.py
index 8b1c540347..8971f21c62 100644
--- a/backend/api_v2/deployment_helper.py
+++ b/backend/api_v2/deployment_helper.py
@@ -375,9 +375,7 @@ def _enrich_result_with_workflow_metadata(
         if fe_lookup:
             first_fe = next(iter(fe_lookup.values()))
             workflow_execution = first_fe.workflow_execution
-            tag_names = list(
-                workflow_execution.tags.values_list("name", flat=True)
-            )
+            tag_names = list(workflow_execution.tags.values_list("name", flat=True))
 
         # 4. Enrich each item
         for item in result.result:
diff --git a/unstract/sdk1/tests/test_execution.py b/unstract/sdk1/tests/test_execution.py
index 3839a01073..458c7a8f10 100644
--- a/unstract/sdk1/tests/test_execution.py
+++ b/unstract/sdk1/tests/test_execution.py
@@ -2,6 +2,8 @@
 
 import json
 import logging
+import os
+import tempfile
 from typing import Any, Self
 from unittest.mock import MagicMock
 
@@ -19,6 +21,8 @@
 from unstract.sdk1.execution.registry import ExecutorRegistry
 from unstract.sdk1.execution.result import ExecutionResult
 
+_TEST_FILE_PATH = os.path.join(tempfile.mkdtemp(), "test.pdf")
+
 
 class TestExecutionContext:
     """Tests for ExecutionContext serialization and validation."""
@@ -31,7 +35,7 @@ def _make_context(self, **overrides: Any) -> ExecutionContext:
             "run_id": "run-001",
             "execution_source": "tool",
             "organization_id": "org-123",
-            "executor_params": {"file_path": "/tmp/test.pdf"},
+            "executor_params": {"file_path": _TEST_FILE_PATH},
             "request_id": "req-abc",
         }
         defaults.update(overrides)
diff --git a/workers/executor/executors/legacy_executor.py b/workers/executor/executors/legacy_executor.py
index ec44444556..0d8978b431 100644
--- a/workers/executor/executors/legacy_executor.py
+++ b/workers/executor/executors/legacy_executor.py
@@ -25,10 +25,10 @@
 from executor.executors.file_utils import FileUtils
 
 from unstract.sdk1.adapters.exceptions import AdapterError
-from unstract.sdk1.constants import LogLevel
 from unstract.sdk1.adapters.x2text.constants import X2TextConstants
 from unstract.sdk1.adapters.x2text.llm_whisperer.src import LLMWhisperer
 from unstract.sdk1.adapters.x2text.llm_whisperer_v2.src import LLMWhispererV2
+from unstract.sdk1.constants import LogLevel
 from unstract.sdk1.execution.context import ExecutionContext, Operation
 from unstract.sdk1.execution.executor import BaseExecutor
 from unstract.sdk1.execution.registry import ExecutorRegistry
diff --git a/workers/executor/executors/retrievers/automerging.py b/workers/executor/executors/retrievers/automerging.py
index c3472964ed..7df911f44f 100644
--- a/workers/executor/executors/retrievers/automerging.py
+++ b/workers/executor/executors/retrievers/automerging.py
@@ -57,7 +57,8 @@ def retrieve(self) -> set[str]:
             except Exception as e:
                 logger.error(
                     "AutoMergingRetriever failed: %s: %s",
-                    type(e).__name__, e,
+                    type(e).__name__,
+                    e,
                     exc_info=True,
                 )
                 raise RetrievalError(
@@ -83,16 +84,18 @@ def retrieve(self) -> set[str]:
         except (ValueError, AttributeError, KeyError, ImportError) as e:
             logger.error(
                 "Error during auto-merging retrieval for %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
             raise RetrievalError(f"{type(e).__name__}: {e}") from e
         except Exception as e:
             logger.error(
                 "Unexpected error during auto-merging retrieval for %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
-            raise RetrievalError(
-                f"Unexpected error: {type(e).__name__}: {e}"
-            ) from e
+            raise RetrievalError(f"Unexpected error: {type(e).__name__}: {e}") from e
diff --git a/workers/executor/executors/retrievers/fusion.py b/workers/executor/executors/retrievers/fusion.py
index a9b27e2eb0..82c6c32967 100644
--- a/workers/executor/executors/retrievers/fusion.py
+++ b/workers/executor/executors/retrievers/fusion.py
@@ -86,16 +86,18 @@ def retrieve(self) -> set[str]:
         except (ValueError, AttributeError, KeyError, ImportError) as e:
             logger.error(
                 "Error during fusion retrieval for %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
             raise RetrievalError(f"{type(e).__name__}: {e}") from e
         except Exception as e:
             logger.error(
                 "Unexpected error during fusion retrieval for %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
-            raise RetrievalError(
-                f"Unexpected error: {type(e).__name__}: {e}"
-            ) from e
+            raise RetrievalError(f"Unexpected error: {type(e).__name__}: {e}") from e
diff --git a/workers/executor/executors/retrievers/keyword_table.py b/workers/executor/executors/retrievers/keyword_table.py
index 2f1d345c02..2a61dfd227 100644
--- a/workers/executor/executors/retrievers/keyword_table.py
+++ b/workers/executor/executors/retrievers/keyword_table.py
@@ -71,16 +71,18 @@ def retrieve(self) -> set[str]:
         except (ValueError, AttributeError, KeyError, ImportError) as e:
             logger.error(
                 "Error during keyword retrieval for %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
             raise RetrievalError(f"{type(e).__name__}: {e}") from e
         except Exception as e:
             logger.error(
                 "Unexpected error during keyword retrieval for %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
-            raise RetrievalError(
-                f"Unexpected error: {type(e).__name__}: {e}"
-            ) from e
+            raise RetrievalError(f"Unexpected error: {type(e).__name__}: {e}") from e
diff --git a/workers/executor/executors/retrievers/recursive.py b/workers/executor/executors/retrievers/recursive.py
index b49bf298c2..0ad09a6b78 100644
--- a/workers/executor/executors/retrievers/recursive.py
+++ b/workers/executor/executors/retrievers/recursive.py
@@ -69,16 +69,18 @@ def retrieve(self) -> set[str]:
         except (ValueError, AttributeError, KeyError, ImportError) as e:
             logger.error(
                 "Error during recursive retrieval for %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
             raise RetrievalError(f"{type(e).__name__}: {e}") from e
         except Exception as e:
             logger.error(
                 "Unexpected error during recursive retrieval for %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
-            raise RetrievalError(
-                f"Unexpected error: {type(e).__name__}: {e}"
-            ) from e
+            raise RetrievalError(f"Unexpected error: {type(e).__name__}: {e}") from e
diff --git a/workers/executor/executors/retrievers/router.py b/workers/executor/executors/retrievers/router.py
index 8dae80271c..0bbb424b3e 100644
--- a/workers/executor/executors/retrievers/router.py
+++ b/workers/executor/executors/retrievers/router.py
@@ -149,16 +149,18 @@ def retrieve(self) -> set[str]:
         except (ValueError, AttributeError, KeyError, ImportError) as e:
             logger.error(
                 "Error during router retrieval for %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
             raise RetrievalError(f"{type(e).__name__}: {e}") from e
         except Exception as e:
             logger.error(
                 "Unexpected error during router retrieval for %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
-            raise RetrievalError(
-                f"Unexpected error: {type(e).__name__}: {e}"
-            ) from e
+            raise RetrievalError(f"Unexpected error: {type(e).__name__}: {e}") from e
diff --git a/workers/executor/executors/retrievers/subquestion.py b/workers/executor/executors/retrievers/subquestion.py
index de0d5047d3..635fa133ac 100644
--- a/workers/executor/executors/retrievers/subquestion.py
+++ b/workers/executor/executors/retrievers/subquestion.py
@@ -53,16 +53,18 @@ def retrieve(self) -> set[str]:
         except (ValueError, AttributeError, KeyError, ImportError) as e:
             logger.error(
                 "Error during retrieving chunks %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
             raise RetrievalError(f"{type(e).__name__}: {e}") from e
         except Exception as e:
             logger.error(
                 "Unexpected error during retrieving chunks %s: %s: %s",
-                self.doc_id, type(e).__name__, e,
+                self.doc_id,
+                type(e).__name__,
+                e,
                 exc_info=True,
             )
-            raise RetrievalError(
-                f"Unexpected error: {type(e).__name__}: {e}"
-            ) from e
+            raise RetrievalError(f"Unexpected error: {type(e).__name__}: {e}") from e
diff --git a/workers/file_processing/structure_tool_task.py b/workers/file_processing/structure_tool_task.py
index 6775a298a4..82c1962b43 100644
--- a/workers/file_processing/structure_tool_task.py
+++ b/workers/file_processing/structure_tool_task.py
@@ -679,4 +679,4 @@ def _write_tool_result(
             data=json.dumps(existing, indent=2),
         )
     except Exception as e:
-        logger.warning("Failed to write tool result to METADATA.json: %s", e)
\ No newline at end of file
+        logger.warning("Failed to write tool result to METADATA.json: %s", e)
diff --git a/workers/tests/test_legacy_executor_scaffold.py b/workers/tests/test_legacy_executor_scaffold.py
index f2d9935f9b..48789c218d 100644
--- a/workers/tests/test_legacy_executor_scaffold.py
+++ b/workers/tests/test_legacy_executor_scaffold.py
@@ -203,11 +203,12 @@ def test_chunking_config_zero_raises(self):
         with pytest.raises(ValueError, match="zero chunks"):
             ChunkingConfig(chunk_size=0, chunk_overlap=0)
 
-    def test_file_info(self):
+    def test_file_info(self, tmp_path):
         from executor.executors.dto import FileInfo
 
-        fi = FileInfo(file_path="/tmp/test.pdf", file_hash="abc123")
-        assert fi.file_path == "/tmp/test.pdf"
+        test_path = str(tmp_path / "test.pdf")
+        fi = FileInfo(file_path=test_path, file_hash="abc123")
+        assert fi.file_path == test_path
 
     def test_instance_identifiers(self):
         from executor.executors.dto import InstanceIdentifiers
diff --git a/workers/tests/test_phase1_log_streaming.py b/workers/tests/test_phase1_log_streaming.py
index 903449d75a..95de9b21bc 100644
--- a/workers/tests/test_phase1_log_streaming.py
+++ b/workers/tests/test_phase1_log_streaming.py
@@ -313,7 +313,7 @@ class TestLegacyExecutorLogPassthrough:
     @patch("executor.executors.legacy_executor.X2Text")
     @patch("executor.executors.legacy_executor.ExecutorToolShim")
     def test_extract_passes_log_info_to_shim(
-        self, mock_shim_cls, mock_x2text, mock_fs
+        self, mock_shim_cls, mock_x2text, mock_fs, tmp_path
     ):
         from executor.executors.legacy_executor import LegacyExecutor
         from unstract.sdk1.execution.registry import ExecutorRegistry
@@ -337,7 +337,7 @@ def test_extract_passes_log_info_to_shim(
             log_events_id="session-abc",
             executor_params={
                 "x2text_instance_id": "x2t-1",
-                "file_path": "/tmp/test.pdf",
+                "file_path": str(tmp_path / "test.pdf"),
                 "platform_api_key": "sk-test",
             },
         )
@@ -357,7 +357,7 @@ def test_extract_passes_log_info_to_shim(
     @patch("executor.executors.legacy_executor.X2Text")
     @patch("executor.executors.legacy_executor.ExecutorToolShim")
     def test_extract_no_log_info_when_absent(
-        self, mock_shim_cls, mock_x2text, mock_fs
+        self, mock_shim_cls, mock_x2text, mock_fs, tmp_path
     ):
         from executor.executors.legacy_executor import LegacyExecutor
         from unstract.sdk1.execution.registry import ExecutorRegistry
@@ -380,7 +380,7 @@ def test_extract_no_log_info_when_absent(
             execution_source="tool",
             executor_params={
                 "x2text_instance_id": "x2t-1",
-                "file_path": "/tmp/test.pdf",
+                "file_path": str(tmp_path / "test.pdf"),
                 "platform_api_key": "sk-test",
             },
         )
diff --git a/workers/tests/test_sanity_phase6g.py b/workers/tests/test_sanity_phase6g.py
index 73bb738911..8b175f8eec 100644
--- a/workers/tests/test_sanity_phase6g.py
+++ b/workers/tests/test_sanity_phase6g.py
@@ -154,7 +154,7 @@ def test_dispatch_sends_to_sps_queue(self):
         call_kwargs = mock_app.send_task.call_args
         assert call_kwargs.kwargs.get("queue") == "celery_executor_simple_prompt_studio"
 
-    def test_dispatch_sps_index_to_correct_queue(self):
+    def test_dispatch_sps_index_to_correct_queue(self, tmp_path):
         mock_app = MagicMock()
         mock_result = MagicMock()
         mock_result.get.return_value = ExecutionResult(
@@ -168,7 +168,7 @@ def test_dispatch_sps_index_to_correct_queue(self):
             operation="sps_index",
             run_id="run-1",
             execution_source="tool",
-            executor_params={"output": {}, "file_path": "/tmp/test.pdf"},
+            executor_params={"output": {}, "file_path": str(tmp_path / "test.pdf")},
         )
         result = dispatcher.dispatch(ctx)
 
diff --git a/workers/tests/test_sanity_phase6h.py b/workers/tests/test_sanity_phase6h.py
index 1c43b3d78b..c4249fb05a 100644
--- a/workers/tests/test_sanity_phase6h.py
+++ b/workers/tests/test_sanity_phase6h.py
@@ -198,7 +198,7 @@ def test_legacy_returns_failure_for_agentic_summarize(self):
 # ---------------------------------------------------------------------------
 
 class TestStructureToolAgenticRouting:
-    def test_structure_tool_dispatches_agentic_extract(self):
+    def test_structure_tool_dispatches_agentic_extract(self, tmp_path):
         """Verify _run_agentic_extraction sends executor_name='agentic'."""
 
         from file_processing.structure_tool_task import _run_agentic_extraction
@@ -210,8 +210,8 @@ def test_structure_tool_dispatches_agentic_extract(self):
 
         result = _run_agentic_extraction(
             tool_metadata={"name": "test"},
-            input_file_path="/tmp/test.pdf",
-            output_dir_path="/tmp/output",
+            input_file_path=str(tmp_path / "test.pdf"),
+            output_dir_path=str(tmp_path / "output"),
             tool_instance_metadata={},
             dispatcher=mock_dispatcher,
             shim=MagicMock(),
diff --git a/workers/tests/test_sanity_phase6j.py b/workers/tests/test_sanity_phase6j.py
index 2336b65d05..c52dcdf490 100644
--- a/workers/tests/test_sanity_phase6j.py
+++ b/workers/tests/test_sanity_phase6j.py
@@ -382,7 +382,7 @@ def test_highlight_plugin_not_installed_no_error(self, _mock_eps):
         assert ExecutorPluginLoader.get("highlight-data") is None
         # No error — graceful degradation
 
-    def test_mock_highlight_plugin_shared_across_executors(self):
+    def test_mock_highlight_plugin_shared_across_executors(self, tmp_path):
         """Multiple executors can use the same highlight plugin instance."""
         from executor.executors.plugins.loader import ExecutorPluginLoader
 
@@ -412,8 +412,8 @@ def get_confidence_data(self):
             assert cls is FakeHighlight
 
             # Both legacy and agentic contexts can create instances
-            legacy_hl = cls(file_path="/tmp/doc.txt", execution_source="ide")
-            agentic_hl = cls(file_path="/tmp/other.txt", execution_source="tool")
+            legacy_hl = cls(file_path=str(tmp_path / "doc.txt"), execution_source="ide")
+            agentic_hl = cls(file_path=str(tmp_path / "other.txt"), execution_source="tool")
 
             assert legacy_hl.get_highlight_data() == {"lines": [1, 2, 3]}
             assert agentic_hl.get_confidence_data() == {"confidence": 0.95}
diff --git a/workers/tests/test_usage.py b/workers/tests/test_usage.py
index 2fecc76713..fc08ac825b 100644
--- a/workers/tests/test_usage.py
+++ b/workers/tests/test_usage.py
@@ -223,7 +223,7 @@ class TestMetricsInResult:
     )
     @patch("executor.executors.legacy_executor.ExecutorToolShim")
     def test_answer_prompt_returns_metrics(
-        self, mock_shim_cls, mock_get_deps, _mock_idx
+        self, mock_shim_cls, mock_get_deps, _mock_idx, tmp_path
     ):
         """answer_prompt result includes metrics dict."""
         from unstract.sdk1.execution.context import ExecutionContext
@@ -298,7 +298,7 @@ def test_answer_prompt_returns_metrics(
                     ],
                     "tool_id": "tool-1",
                     "file_hash": "hash123",
-                    "file_path": "/tmp/test.txt",
+                    "file_path": str(tmp_path / "test.txt"),
                     "file_name": "test.txt",
                     "PLATFORM_SERVICE_API_KEY": "test-key",
                 },