Prevent stale write_file from clobbering external edits
Cluster 65604 · agent. Data as of
Nothing open on GitHub. Fix merged in #91238 on 15 Sep 2026. Check it covers your case.
The short answer
- Known?
- Yes. 3 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #91238. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #91238. That is separate from the fix event. - Still open
- Nothing open on GitHub.
These members address a risk where write_file operations based on outdated conversation context could overwrite changes made externally. The work involves detecting and refusing such stale overwrites before any disk mutation occurs.
Open issues0
Open PRs0
Fixes on record
-
#91238 fix(file-tools): stale write_file overwrites are refused before disk mutation (#65604, salvage #65605)
files:
tests/tools/test_cross_profile_guard.py,tests/tools/test_file_read_guards.py,tests/tools/test_file_staleness.py,tests/tools/test_file_state_registry.py,tests/tools/test_line_ending_preservation.py,tests/tools/test_write_file_rewrite_hint.py,tests/tools/test_write_verification.py,tools/file_state.py,tools/file_tools.py,tools/file_tools_read_tracking.py,tools/file_tools_write_guards.py,website/docs/reference/tools-reference.md
1 PR closed without merging
From the close comments: merged via another change 1
-
#65605 fix: block stale write_file overwrites · merged via another change →
#91238
Closed issues · 1
- Closed#65604write_file can clobber external edits from stale conversation context
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structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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
0.67: 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
- #91238
- Closed issues
- 1
- Attempts
- 1 PR closed without merging
- Fix link checked
- 15 Sep 2026