Files
ctrld/cmd
Codescribe afed925404 log: persist internal runtime logs to disk
Add file-backed persistence to the internal logWriter so runtime logs
survive service restarts. When internal logging is enabled (CD mode,
no explicit log_path), writes are teed to both the existing in-memory
ring buffer and a rotated file on disk (ctrld.log in the home directory).

File rotation: 5MB max with 1 backup (ctrld.log.1), so max ~10MB on disk.
Log view/send now reads from the persisted files (including backup) to
provide complete history across restarts. Live tail continues to use
the in-memory subscriber mechanism unchanged.

Activation: same conditions as existing internal logging — CD mode only,
no log_path configured. No new config options or dependencies.
2026-04-29 15:12:44 +07:00
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