chore: apply ruff formatting and fix whitespace issues

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

TODO_TESTS.md

@@ -4,10 +4,10 @@ This document tracks test coverage improvements for DocuElevate. The goal is to
 
 ## Current Status
 
-**Initial Coverage**: 45.09%  
-**Current Coverage**: 48.17%  
-**Progress**: +3.08%  
-**Target Coverage**: 60%+ (Phase 1), then 70%, 80%  
+**Initial Coverage**: 45.09%
+**Current Coverage**: 48.17%
+**Progress**: +3.08%
+**Target Coverage**: 60%+ (Phase 1), then 70%, 80%
 **Remaining to target**: ~12%
 
 ## Completed Tests
@@ -21,22 +21,22 @@ This document tracks test coverage improvements for DocuElevate. The goal is to
   - Test is_encrypted function
   - Test is_encryption_available
   - Mock cryptography library for error cases
-  
+
 - [x] `app/celery_worker.py` (0% → 90.62%) ✅
   - Basic module structure tests (removed tests requiring Redis)
-  
+
 - [x] `app/tasks/uptime_kuma_tasks.py` (0% → 100%) ✅
   - Test ping_uptime_kuma with valid URL
   - Test skipping when URL not configured
   - Test error handling for failed requests
-  
+
 - [x] `app/utils/` package (exports via __init__.py) ✅
   - Package exports tested in test_reexports.py
   - Individual module coverage from actual usage
-  
+
 - [x] `app/frontend.py` (0% → 100%) ✅
   - Simple re-export module, test imports work
-  
+
 - [x] `app/utils/config_validator.py` (0% → Still 0%) ⚠️
   - Re-export module, coverage is from actual usage
 
@@ -46,11 +46,11 @@ This document tracks test coverage improvements for DocuElevate. The goal is to
   - Test get_unique_filename
   - Test extract_remote_path
   - Test filename validation functions
-  
+
 - [x] `app/utils/logging.py` (42.86% → 100%) ✅
   - Test log_task_progress function
   - Test various log message formats
-  
+
 - [x] `app/utils/oauth_helper.py` (17.50% → 100%) ✅
   - Test OAuth token exchange
   - Test error handling
@@ -80,17 +80,17 @@ This document tracks test coverage improvements for DocuElevate. The goal is to
   - Test Azure connection
   - Test credential validation
   - Mock Azure API responses
-  
+
 - [ ] `app/api/dropbox.py` (16.94% → 50%+)
   - Test OAuth flow (mocked)
   - Test token validation
   - Test connection testing
-  
+
 - [ ] `app/api/google_drive.py` (12.94% → 50%+)
   - Test OAuth flow (mocked)
   - Test token validation
   - Test drive connection
-  
+
 - [ ] `app/api/onedrive.py` (13.83% → 50%+)
   - Test OAuth flow (mocked)
   - Test token validation
@@ -101,7 +101,7 @@ This document tracks test coverage improvements for DocuElevate. The goal is to
   - Test PDF conversion with various formats
   - Test Gotenberg integration (mocked)
   - Test error handling
-  
+
 - [ ] `app/tasks/embed_metadata_into_pdf.py` (19.05% → 50%+)
   - Test metadata embedding
   - Test PDF manipulation
@@ -124,18 +124,18 @@ These require complex external service mocking:
   - Test credential validation for each provider
   - Test failure state management
   - Test notification system
-  
+
 - [ ] `app/tasks/imap_tasks.py` (0%)
   - Requires IMAP server mocking
   - Test email fetching
   - Test email parsing
   - Test lock management with Redis
-  
+
 - [ ] `app/tasks/upload_with_rclone.py` (0%)
   - Test rclone command execution
   - Test configuration management
   - Test error handling
-  
+
 - [ ] `app/tasks/extract_metadata_with_gpt.py` (28.79%)
   - Test GPT metadata extraction
   - Mock OpenAI API responses