fix: speed up academic degree filter

app/services/academic_degrees.py

@@ -0,0 +1,23 @@
+import re
+from typing import Any
+
+
+_PATTERN = re.compile(r"\b(?:кандидат|доктор)\s+[\w\s-]{0,80}?\s+наук\b|\bph\.?\s*d\.?\b", re.IGNORECASE)
+
+
+def academic_degrees(data: dict[str, Any] | None) -> list[str]:
+    degrees = []
+    for section in (data or {}).get("sections") or []:
+        if not isinstance(section, dict) or not re.search(r"уч[её]н.*степен|academic degree", str(section.get("title") or ""), re.IGNORECASE):
+            continue
+        values = [
+            *(entry.get("text") for entry in section.get("year_entries") or [] if isinstance(entry, dict)),
+            *(section.get("paragraphs") or []),
+            *(section.get("items") or []),
+            section.get("raw_text"),
+        ]
+        for value in values:
+            text = str(value or "").strip()
+            if text and _PATTERN.search(text) and text not in degrees:
+                degrees.append(text)
+    return degrees