Langfuse tracing cost fixes and coverage expansion
Cluster 72661 · agent. Data as of
Nothing open on GitHub. Fix merged in #85439 on 13 Aug 2026. Check it covers your case.
The short answer
- Known?
- Yes. 4 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #85439. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
unresolved. That is separate from the fix event. - Still open
- Nothing open on GitHub.
These items address a bug where Langfuse traces reported zero total cost despite per-type breakdowns, a related fix for exporting canonical generation totals, and a feature widening Langfuse tracing to cover errors, sessions, subagents, and MoA fan-out scenarios.
Open issues0
Open PRs0
Fixes on record
-
#85439 feat(langfuse): widen tracing to errors, sessions, subagents, and MoA fan-out
files:
agent/conversation_loop.py,agent/moa_loop.py,agent/moa_trace.py,agent/redact.py,hermes_cli/config.py,hermes_cli/hooks.py,plugins/observability/langfuse/README.md,plugins/observability/langfuse/__init__.py,plugins/observability/langfuse/plugin.yaml,tests/agent/test_moa_observability_bridge.py,tests/plugins/test_langfuse_plugin.py
2 PRs closed without merging
From the close comments: merged via another change 2
Closed issues · 1
- Closed#72661Bug: Langfuse traces show zero total_cost despite per-type cost breakdown
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.50: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- agent
- Merged PRs
- #85439
- Closed issues
- 1
- Attempts
- 2 PRs closed without merging
- Fix link checked
- 13 Aug 2026