feat: show model last updated dates

dashboard/plugin_api.py

@@ -917,6 +917,11 @@ def _page_description(html: str) -> str:
     return ""
 
 
+def _page_updated_at(html: str) -> str | None:
+    match = re.search(r'<span[^>]+title=["\']([^"\']+)["\'][^>]*>[\s\S]{0,1200}?\bUpdated\b', html, re.I)
+    return unescape(match.group(1)).strip() if match else None
+
+
 def _parameter_hints(text: str) -> list[tuple[float, float]]:
     hints: set[tuple[float, float]] = set()
     for match in re.finditer(r"\b([0-9]+(?:\.[0-9]+)?)\s*B\s*[-_]\s*A\s*([0-9]+(?:\.[0-9]+)?)\s*B\b", text, re.I):
@@ -1132,11 +1137,13 @@ def _fetch_family_variants(family: str) -> list[dict[str, Any]]:
         except (HTTPError, URLError, OSError, ValueError):
             family_html = tags_html
         description = _page_description(family_html) or _page_description(tags_html)
+        updated_at = _page_updated_at(family_html) or _page_updated_at(tags_html)
         parameter_text = family_html + " " + tags_html
         hints = _parameter_hints(parameter_text)
         rows = _parse_variant_page(tags_html, family)
         for row in rows:
             row["description"] = description
+            row["modified_at"] = updated_at
             hint = _variant_parameter_hint(str(row.get("name") or ""), hints)
             if hint:
                 row["parameter_size"] = _format_parameter_size(hint[0])