fix: cleaning a thread should just clear out messages

[louis-jan]

Describe Your Changes

• Fixed an issue where the legacy implementation of thread cleaning no longer worked. Now, cleaning a thread clears messages and resets its metadata.

Fixes Issues

• QA: Jan 0.5.12 Release Sign-off #4291

Changes made

The code changes in the pull request include the following updates:

1. extensions/conversational-extension/src/index.ts:

   • Reformatted the code for better readability by splitting a chained method call across multiple lines.
   • Changed the healthz method to be async.

2. web/helpers/atoms/Thread.atom.ts:

   • Added a new atom createNewThreadAtom for creating a new thread and adding it to the thread list.

3. web/hooks/useCreateNewThread.ts:

   • Removed the inline definition of createNewThreadAtom and imported it from Thread.atom.ts.

4. web/hooks/useDeleteThread.test.ts:

   • Updated mock functions to reflect changes in the actual code.
   • Renamed mockDeleteThread to mockDeleteMessage and added mockModifyThread.

5. web/hooks/useDeleteThread.ts:

   • Replaced the deletion of entire thread states with deletion of individual messages within threads.
   • Added logic to update thread metadata and use the modifyThread method instead of deleteThread.

These changes improve code organization, enhance readability, and adjust the logic for handling threads and messages.

[github-actions]

Barecheck - Code coverage report

Total: 68.56%

Your code coverage diff: -0.03% ▾

Uncovered files and lines

File	Lines
web/helpers/atoms/Thread.atom.ts	90-93, 96, 110, 133, 135, 140-141, 144-145, 166-167, 172, 182-184, 188
web/hooks/useCreateNewThread.ts	147-148, 150-151, 158-159, 170, 179, 214, 218, 220
web/hooks/useDeleteThread.ts	68-69

[github-actions]

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