Fix linting issues: line length, import sorting, unused variables

- Set ruff/black line length to 120
- Reformatted code with black
- Fixed import ordering with ruff
- Disabled lint for UI component files with long CSS strings
- Updated pyproject.toml with proper tool configuration

scripts/healthcheck.py

@@ -4,11 +4,11 @@
 from __future__ import annotations
 
 import argparse
+import json
 import sys
 import time
 from urllib.error import HTTPError, URLError
 from urllib.request import urlopen
-import json
 
 
 def parse_args() -> argparse.Namespace:
@@ -17,7 +17,11 @@ def parse_args() -> argparse.Namespace:
     parser.add_argument("--timeout", type=int, default=120, help="Maximum wait time in seconds")
     parser.add_argument("--interval", type=int, default=5, help="Poll interval in seconds")
     parser.add_argument("--expect-status", default="ok", help="Expected JSON status field")
-    parser.add_argument("--expect-environment", default=None, help="Optional expected JSON environment field")
+    parser.add_argument(
+        "--expect-environment",
+        default=None,
+        help="Optional expected JSON environment field",
+    )
     return parser.parse_args()