fix: correct get_activities field mapping, document wallget response (v0.3.2)

src/mcp_familywall/__init__.py

@@ -1 +1 @@
-__version__ = "0.3.1"
+__version__ = "0.3.2"

src/mcp_familywall/server.py

@@ -289,10 +289,10 @@ def get_activities(limit: int = 20):
         result.append(
             {
                 "id": item.get("metaId"),
-                "type": item.get("type"),
-                "text": item.get("text") or item.get("comment"),
-                "date": item.get("date") or item.get("createdDate"),
-                "author": item.get("authorName") or item.get("author"),
+                "type": item.get("refType"),
+                "text": item.get("text"),
+                "date": item.get("creationDate"),
+                "author": item.get("accountId"),
             }
         )