fix(gateway): use atomic writes for config.yaml to prevent data loss (#3800)

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Replace all 5 plain open(config_path, 'w') calls in gateway command
handlers with atomic_yaml_write() from utils.py. This uses the
established tempfile + fsync + os.replace pattern to ensure config.yaml
is never left half-written if the process is killed mid-write.

Affected handlers: /personality (clear + set), /sethome, /reasoning
(_save_config_key helper), /verbose (tool_progress cycling).

Also fixes missing encoding='utf-8' on the /personality clear write.

Salvaged from PR #1211 by albatrosjj.

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This commit is contained in:

Teknium

2026-03-29 15:32:46 -07:00

committed by GitHub

parent 83cbf7b5bb

commit 612321631f

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