fix: correct topic names

theory_tools.py

@@ -20,7 +20,9 @@ def _scrape_readme(rel_path: str) -> list[str]:
     try:
         md = requests.get(f"{RAW_ROOT}{rel_path}", timeout=10).text
         # markdown link target: (...filename.ipynb)
-        return re.findall(r"\(([^)]+?\.ipynb)\)", md)
+        found = re.findall(r"\(([^)]+?\.ipynb)\)", md)
+        # Clean up relative path prefixes like "./"
+        return [name.lstrip("./") for name in found]
     except requests.RequestException:
         return []