Run ruff format changes and finalize indentation and lint fixes.

scripts/verify_headers.py

@@ -1,16 +1,21 @@
 #!/usr/bin/env python3
 """Verify header visibility across all themes."""
+# ruff: noqa: E402
 
 import sys
 import tkinter as tk
 from pathlib import Path
 
-from init import logger
-from theme_manager import ThemeManager
+# Ensure the 'src' directory is on sys.path so 'thechart' package is importable
+SRC_DIR = Path(__file__).resolve().parent.parent / "src"
+if str(SRC_DIR) not in sys.path:
+    sys.path.insert(0, str(SRC_DIR))
 
-# Add src directory to Python path
-src_path = Path(__file__).parent / "src"
-sys.path.insert(0, str(src_path))
+from thechart.core.constants import LOG_LEVEL
+from thechart.core.logger import init_logger
+from thechart.ui import ThemeManager
+
+logger = init_logger(__name__, testing_mode=(LOG_LEVEL == "DEBUG"))
 
 
 def verify_all_themes():
@@ -56,7 +61,6 @@ def verify_all_themes():
         darker = min(bg_lum, fg_lum)
         contrast_ratio = (lighter + 0.05) / (darker + 0.05)
 
-        # Determine status
         if contrast_ratio >= 4.5:
             status = "✅ EXCELLENT"
         elif contrast_ratio >= 3.0: