fix: Naprawiono błąd składni f-string w _extract_date_from_text

- Przeniesiono logikę kwartału z inline dict do funkcji _quarter_to_date()
- f-string z dict literal nie jest wspierany w Python 3.11

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

zopk_knowledge_service.py

@@ -2505,7 +2505,7 @@ def _extract_date_from_text(text: str) -> str:
 
         # "I kwartał 2025"
         (r'\b(I|II|III|IV)\s*kwarta\w*\s*(20[2-3]\d)',
-         lambda m: f"{m.group(2)}-{{'I':1,'II':4,'III':7,'IV':10}[m.group(1)]:02d}-01"),
+         lambda m: _quarter_to_date(m.group(1), m.group(2))),
     ]
 
     for pattern, formatter in patterns:
@@ -2533,6 +2533,13 @@ def _month_to_date(month_name: str, year: str) -> str:
     return f"{year}-01-01"
 
 
+def _quarter_to_date(quarter: str, year: str) -> str:
+    """Convert Roman numeral quarter to date string."""
+    quarters = {'I': '01', 'II': '04', 'III': '07', 'IV': '10'}
+    month = quarters.get(quarter, '01')
+    return f"{year}-{month}-01"
+
+
 def _is_past_event(text: str) -> bool:
     """
     Detect if milestone text describes a past event (completed)