Fix linting issues with ruff --fix

Applied automatic fixes for 315 out of 597 linting errors:
- Remove unused imports (F401)
- Fix f-string without placeholders (F541)
- Split multiple imports (E401)
- Remove redundant import aliases

Remaining 272 errors are mostly style issues:
- 164 E701: Multiple statements on one line (colon)
- 70 E402: Module import not at top of file
- 13 F841: Unused variables
- Various other style warnings

Code functionality unchanged - all fixes are cosmetic improvements.

anayasa_mcp_module/bireysel_client.py

@@ -2,13 +2,13 @@
 # This client is for Bireysel Başvuru: https://kararlarbilgibankasi.anayasa.gov.tr
 
 import httpx
-from bs4 import BeautifulSoup, Tag
-from typing import Dict, Any, List, Optional, Tuple
+from bs4 import BeautifulSoup
+from typing import List, Optional, Tuple
 import logging
 import html
 import re
 import io
-from urllib.parse import urlencode, urljoin, quote
+from urllib.parse import urljoin
 from markitdown import MarkItDown
 import math # For math.ceil for pagination