refactor(safety): apply consistent formatting across services and tests

Improved code readability and uniformity by standardizing line breaks, indentation, and inline conditions across safety-related services, models, and tests, including content filters, validation rules, and emergency controls.

backend/tests/api/routes/test_mcp.py

@@ -44,8 +44,8 @@ def mock_superuser():
 @pytest.fixture
 def client(mock_mcp_client, mock_superuser):
     """Create a FastAPI test client with mocked dependencies."""
-    from app.api.routes.mcp import get_mcp_client
     from app.api.dependencies.permissions import require_superuser
+    from app.api.routes.mcp import get_mcp_client
 
     # Override dependencies
     async def override_get_mcp_client():

backend/tests/services/mcp/test_client_manager.py

@@ -14,7 +14,6 @@ from app.services.mcp.client_manager import (
     shutdown_mcp_client,
 )
 from app.services.mcp.config import MCPConfig, MCPServerConfig
-from app.services.mcp.connection import ConnectionState
 from app.services.mcp.exceptions import MCPServerNotFoundError
 from app.services.mcp.registry import MCPServerRegistry
 from app.services.mcp.routing import ToolInfo, ToolResult

backend/tests/services/mcp/test_config.py

@@ -4,10 +4,8 @@ Tests for MCP Configuration System
 
 import os
 import tempfile
-from pathlib import Path
 
 import pytest
-import yaml
 
 from app.services.mcp.config import (
     MCPConfig,
@@ -217,9 +215,7 @@ mcp_servers:
 default_timeout: 60
 connection_pool_size: 20
 """
-        with tempfile.NamedTemporaryFile(
-            mode="w", suffix=".yaml", delete=False
-        ) as f:
+        with tempfile.NamedTemporaryFile(mode="w", suffix=".yaml", delete=False) as f:
             f.write(yaml_content)
             f.flush()
 
@@ -248,9 +244,7 @@ mcp_servers:
   explicit-server:
     url: http://explicit:8000
 """
-        with tempfile.NamedTemporaryFile(
-            mode="w", suffix=".yaml", delete=False
-        ) as f:
+        with tempfile.NamedTemporaryFile(mode="w", suffix=".yaml", delete=False) as f:
             f.write(yaml_content)
             f.flush()
 
@@ -267,9 +261,7 @@ mcp_servers:
   env-server:
     url: http://env:8000
 """
-        with tempfile.NamedTemporaryFile(
-            mode="w", suffix=".yaml", delete=False
-        ) as f:
+        with tempfile.NamedTemporaryFile(mode="w", suffix=".yaml", delete=False) as f:
             f.write(yaml_content)
             f.flush()
 

backend/tests/services/mcp/test_connection.py

@@ -220,9 +220,7 @@ class TestMCPConnection:
             MockClient.return_value = mock_client
 
             await conn.connect()
-            result = await conn.execute_request(
-                "POST", "/mcp", data={"method": "test"}
-            )
+            result = await conn.execute_request("POST", "/mcp", data={"method": "test"})
 
             assert result == {"result": "success"}
 

backend/tests/services/mcp/test_exceptions.py

@@ -160,11 +160,21 @@ class TestMCPToolNotFoundError:
         """Test tool not found with available tools listed."""
         error = MCPToolNotFoundError(
             "unknown-tool",
-            available_tools=["tool-1", "tool-2", "tool-3", "tool-4", "tool-5", "tool-6"],
+            available_tools=[
+                "tool-1",
+                "tool-2",
+                "tool-3",
+                "tool-4",
+                "tool-5",
+                "tool-6",
+            ],
         )
         assert len(error.available_tools) == 6
         # Should show first 5 tools with ellipsis
-        assert "available_tools=['tool-1', 'tool-2', 'tool-3', 'tool-4', 'tool-5']..." in str(error)
+        assert (
+            "available_tools=['tool-1', 'tool-2', 'tool-3', 'tool-4', 'tool-5']..."
+            in str(error)
+        )
 
 
 class TestMCPCircuitOpenError:

backend/tests/services/mcp/test_registry.py

@@ -4,7 +4,7 @@ Tests for MCP Server Registry
 
 import pytest
 
-from app.services.mcp.config import MCPConfig, MCPServerConfig, TransportType
+from app.services.mcp.config import MCPConfig, MCPServerConfig
 from app.services.mcp.exceptions import MCPServerNotFoundError
 from app.services.mcp.registry import (
     MCPServerRegistry,

backend/tests/services/safety/test_content_filter.py

@@ -220,7 +220,9 @@ class TestScan:
         filter_all: ContentFilter,
     ) -> None:
         """Test scanning for specific categories only."""
-        content = "Email: test@example.com, token: ghp_abc123456789012345678901234567890123"
+        content = (
+            "Email: test@example.com, token: ghp_abc123456789012345678901234567890123"
+        )
 
         # Scan only for secrets
         matches = await filter_all.scan(

backend/tests/services/safety/test_validation.py

@@ -321,8 +321,7 @@ class TestLoadRulesFromPolicy:
         validator.load_rules_from_policy(policy)
 
         approval_rules = [
-            r for r in validator._rules
-            if r.decision == SafetyDecision.REQUIRE_APPROVAL
+            r for r in validator._rules if r.decision == SafetyDecision.REQUIRE_APPROVAL
         ]
         assert len(approval_rules) == 1