Cairn

YAML config scalar mutation and data loss fixes

NousResearch/hermes-agent · cluster 119844 · other

Data as of

Nothing open on GitHub. Fix merged in #120343. Check it covers your case.

The short answer

0open issues
0open PRs
5items grouped
Known?
Yes. 5 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #120343. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #120343. That is separate from the fix event.
Still open
Nothing open on GitHub.

These issues and pull requests address bugs in config.yaml handling where ruamel-yaml re-folding silently mutated long quoted scalars, and where transient read errors could wipe config contents. The work focuses on preserving stored values accurately during config read and write operations.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

  • #120343 fix(config): a transient read error no longer wipes config.yaml (explicit nulls kept, no phantom agent section; salvage #105828, #119846)

    merged to main

    files: gateway/slash_commands.py, hermes_cli/auth.py, hermes_cli/config.py, hermes_cli/config_effective.py, hermes_cli/config_read_errors.py, hermes_cli/web_routers/config_env.py, hermes_cli/xai_retirement.py, tests/hermes_cli/test_config.py, tests/hermes_cli/test_config_save_integrity.py, tests/hermes_cli/test_resolve_provider_corrupt_config.py, tests/hermes_cli/test_xai_retirement.py, tests/test_utils_atomic_roundtrip_yaml_save.py, tui_gateway/server.py, utils.py

3 PRs closed without merging

From the close comments: done elsewhere 1 · merged via another change 1 · other 1

  • #119846 fix(config): preserve long quoted scalars · done elsewhere → 7f59505, 2f0cab5, b0369c4, 8afaab3, #120343
  • #120278 fix(config): stop YAML re-folding from mutating stored config scalars (#119844) · merged via another change → 7f59505, 2f0cab5, b0369c4, 8afaab3, #119846, #120343
  • #127439 fix: fix/119844-ruamel-yaml-fold · other → #119844
Closed issues · 1
  • Closed#119844[Bug]: config saves silently insert spaces into long double-quoted scalars (ruamel re-folding mutates stored values)
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(structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.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 0.40: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

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At a glance

Subsystem
other
Merged PRs
#120343
Closed issues
1
Attempts
3 PRs closed without merging
Fix link checked
23 Sep 2026

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