Fix ruff linting errors (unused imports, import sorting)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: nhorton

tests/shell_script_tests/test_hooks.py

@@ -52,7 +52,6 @@
 
 from .conftest import run_shell_script
 
-
 # =============================================================================
 # Helper Functions
 # =============================================================================

tests/unit/test_command_executor.py

@@ -2,8 +2,6 @@
 
 from pathlib import Path
 
-import pytest
-
 from deepwork.core.command_executor import (
     CommandResult,
     all_commands_succeeded,

tests/unit/test_rules_parser.py

@@ -2,17 +2,13 @@
 
 from pathlib import Path
 
-import pytest
-
 from deepwork.core.pattern_matcher import matches_any_pattern as matches_pattern
 from deepwork.core.rules_parser import (
-    DEFAULT_COMPARE_TO,
     DetectionMode,
     PairConfig,
     Rule,
-    RulesParseError,
-    evaluate_rules,
     evaluate_rule,
+    evaluate_rules,
     load_rules_from_directory,
 )
 

tests/unit/test_rules_queue.py

@@ -1,6 +1,5 @@
 """Tests for rules queue system (QS-6.x from test_scenarios.md)."""
 
-import json
 from pathlib import Path
 
 import pytest