[BUG] - string not functioning - unable to take actions it says it has done

**Describe the bug**
using string has become frustrating. the agent seems to go round and round in circles, takes actions before prompting and says issues are fixed when they are not.
Example: i created a workflow and the one modules had 8 props that were all set to required. i said to string, please change the fields to be optional. after about 4 - 5 tries of it saying the fields are optional, i gave up and went to claude.

this was not the case last week, it feels like something has changed and now I am using claude more and more for accurate debugging.

**To Reproduce**
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

**Expected behavior**
when asking string to modify a module or step I expect it to respond and get it done. If that is not possible, then let me know and I can adjust the module.

**Screenshots**

**Additional context**
Add any other context about the problem here.
https://pipedream.com/string/6895c9dffe587772dd6a1c6d

Start with the linked String session at https://pipedream.com/string/6895c9dffe587772dd6a1c6d and reproduce the workflow-module request involving eight required props. Trace why the agent reports fields as optional without applying the change; done means the requested fields are actually optional and the response accurately reflects the result.

Written by the indexing model from the issue text.