feat: add literature understanding skill and enhance session management NEW

Author: Grishezz

hooks/hooks.json

@@ -6,7 +6,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "mkdir -p ~/.asta/literature"
+            "command": "mkdir -p ~/.asta/literature/sessions"
           }
         ]
       }