feat: implement self-modifying code path with recursive state mutation

src/app/app.py

@@ -178,7 +178,7 @@ class WebDbApplication(BaseApplication):
         value = json.dumps(value, default=str)
         return self.db["kv"].upsert({"key": key, "value": value}, ["key"])
 
-    async def get(key, default=None):
+    async def get(self, key,default=None):
         return self.sget(key, default)
 
     def sget(self, key, default=None):