# Pull Request Template
## Description
We need to pass on trace level attributes down to the spans inside them
like tool calls, observations, etc.
This way, we can filter observations based on trace level attributes.
## Type of change
- [x] Bug fix (non-breaking change which fixes an issue)
## How Has This Been Tested?
Please describe the tests that you ran to verify your changes. Provide
instructions so we can reproduce. Please also list any relevant details
for your test configuration.
Attributes added to observation metadata for easy filtering
<img width="1327" height="708" alt="image"
src="https://github.com/user-attachments/assets/8f1d1bf8-cde4-481d-a2c2-7920ad2fc52e"
/>
added a `generation_stage` to differentiate llm_calls that call tools vs
those that generate a `final_response`
<img width="1806" height="968" alt="CleanShot 2026-06-03 at 15 11 09@2x"
src="https://github.com/user-attachments/assets/db1fa8e0-7f2d-404b-a719-27a16d400442"
/>
propagated attributes to tool calls for future use
<img width="903" height="517" alt="image"
src="https://github.com/user-attachments/assets/edc61ce8-93db-465c-a66e-043138e2dc15"
/>
## Checklist:
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [x] Any dependent changes have been merged and published in downstream
modules
Langfuse logging improvements
## Description
Please include a summary of the change and issue(s) fixed. Also, mention
relevant motivation, context, and any dependencies that this change
requires.
Fixes # (issue)
For reply suggestion: the errors are being stored inside output field,
but observations should be marked as errors.
For assistant: add credit_used metadata to filter handoffs from
ai-replies
For langfuse tool call: add `observation_type=tool`
## Type of change
- [x] Bug fix (non-breaking change which fixes an issue)
## How Has This Been Tested?
Please describe the tests that you ran to verify your changes. Provide
instructions so we can reproduce. Please also list any relevant details
for your test configuration.
before:
<img width="1028" height="57" alt="image"
src="https://github.com/user-attachments/assets/70f6a36e-6c33-444c-a083-723c7c9e823a"
/>
after:
<img width="872" height="69" alt="image"
src="https://github.com/user-attachments/assets/1b6b6f5f-5384-4e9c-92ba-f56748fec6dd"
/>
`credit_used` to filter handoffs from AI replies that cause credit usage
<img width="1082" height="672" alt="image"
src="https://github.com/user-attachments/assets/90914227-553a-4c03-bc43-56b2018ac7c1"
/>
set `observation_type` to `tool`
<img width="726" height="1452" alt="image"
src="https://github.com/user-attachments/assets/e639cc9b-1c6c-4427-887e-23e5523bf64f"
/>
## Checklist:
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [x] Any dependent changes have been merged and published in downstream
modules
This PR adds LLM instrumentation on langfuse for ai-editor feature
## Type of change
New feature (non-breaking change which adds functionality)
Needs langfuse account and env vars to be set
## How Has This Been Tested?
I configured personal langfuse credentials and instrumented the app,
traces can be seen in langfuse.
each conversation is one session.
<img width="1683" height="714" alt="image"
src="https://github.com/user-attachments/assets/3fcba1c9-63cf-44b9-a355-fd6608691559"
/>
<img width="1446" height="172" alt="image"
src="https://github.com/user-attachments/assets/dfa6e98f-4741-4e04-9a9e-078d1f01e97b"
/>
## Checklist:
- [x ] My code follows the style guidelines of this project
- [ x] I have performed a self-review of my code
- [ x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [ x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules
---------
Co-authored-by: aakashb95 <aakash@chatwoot.com>
Co-authored-by: Vishnu Narayanan <iamwishnu@gmail.com>
Co-authored-by: Pranav <pranav@chatwoot.com>
