fix: resolve linting issues across multiple files

- Remove unused imports (os, Optional, json, List, sys, MagicMock, DebugIssueTool)
- Remove unused variable assignments (safe_file_name)
- Fix f-strings without placeholders
- Reorder imports in test_live_integration.py

tests/test_live_integration.py

@@ -18,10 +18,10 @@ from pathlib import Path
 # Add parent directory to path to allow imports
 sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
+import json
+
 from tools.analyze import AnalyzeTool
 from tools.think_deeper import ThinkDeeperTool
-from tools.debug_issue import DebugIssueTool
-import json
 
 
 async def run_manual_live_tests():

tests/test_review_pending_changes.py

@@ -3,7 +3,7 @@ Tests for the review_pending_changes tool
 """
 
 import json
-from unittest.mock import MagicMock, Mock, patch
+from unittest.mock import Mock, patch
 
 import pytest
 

tools/review_pending_changes.py

@@ -2,10 +2,9 @@
 Tool for reviewing pending git changes across multiple repositories.
 """
 
-import json
 import os
 import re
-from typing import Any, Dict, List, Literal, Optional
+from typing import Any, Dict, Literal, Optional
 
 from pydantic import Field
 
@@ -168,7 +167,6 @@ class ReviewPendingChanges(BaseTool):
                         )
                         if success and diff.strip():
                             # Format diff with file header
-                            safe_file_name = self._sanitize_filename(file_path)
                             diff_header = f"\n--- BEGIN DIFF: {repo_name} / {file_path} (compare to {request.compare_to}) ---\n"
                             diff_footer = (
                                 f"\n--- END DIFF: {repo_name} / {file_path} ---\n"
@@ -200,7 +198,6 @@ class ReviewPendingChanges(BaseTool):
                                 repo_path, ["diff", "--cached", "--", file_path]
                             )
                             if success and diff.strip():
-                                safe_file_name = self._sanitize_filename(file_path)
                                 diff_header = f"\n--- BEGIN DIFF: {repo_name} / {file_path} (staged) ---\n"
                                 diff_footer = (
                                     f"\n--- END DIFF: {repo_name} / {file_path} ---\n"
@@ -230,7 +227,6 @@ class ReviewPendingChanges(BaseTool):
                                 repo_path, ["diff", "--", file_path]
                             )
                             if success and diff.strip():
-                                safe_file_name = self._sanitize_filename(file_path)
                                 diff_header = f"\n--- BEGIN DIFF: {repo_name} / {file_path} (unstaged) ---\n"
                                 diff_footer = (
                                     f"\n--- END DIFF: {repo_name} / {file_path} ---\n"
@@ -274,7 +270,7 @@ class ReviewPendingChanges(BaseTool):
             )
 
         # Add review parameters
-        prompt_parts.append(f"## Review Parameters\n")
+        prompt_parts.append("## Review Parameters\n")
         prompt_parts.append(f"- Review Type: {request.review_type}")
         prompt_parts.append(f"- Severity Filter: {request.severity_filter}")
 
@@ -292,7 +288,7 @@ class ReviewPendingChanges(BaseTool):
             prompt_parts.append(f"- Reviewing: {' and '.join(review_scope)} changes")
 
         # Add repository summary
-        prompt_parts.append(f"\n## Repository Changes Summary\n")
+        prompt_parts.append("\n## Repository Changes Summary\n")
         prompt_parts.append(f"Found {len(repo_summaries)} repositories with changes:\n")
 
         for idx, summary in enumerate(repo_summaries, 1):

utils/file_utils.py

@@ -5,7 +5,6 @@ File reading utilities with directory support and token management
 import os
 from pathlib import Path
 from typing import List, Optional, Tuple, Set
-import sys
 
 from .token_utils import estimate_tokens, MAX_CONTEXT_TOKENS
 

utils/git_utils.py

@@ -2,9 +2,8 @@
 Git utilities for finding repositories and generating diffs.
 """
 
-import os
 import subprocess
-from typing import Dict, List, Optional, Tuple
+from typing import Dict, List, Tuple
 from pathlib import Path