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https://github.com/NousResearch/hermes-agent.git
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6c89306437
When a session gets stuck (hung terminal, runaway tool loop) and the
user restarts the gateway, the same session history loads and puts the
agent right back in the stuck state. The user is trapped in a loop:
restart → stuck → restart → stuck.
Fix: track restart-failure counts per session using a simple JSON file
(.restart_failure_counts). On each shutdown with active agents, the
counter increments for those sessions. On startup, if any session has
been active across 3+ consecutive restarts, it's auto-suspended —
giving the user a clean slate on their next message.
The counter resets to 0 when a session completes a turn successfully
(response delivered), so normal sessions that happen to be active
during planned restarts (/restart, hermes update) won't accumulate
false counts.
Implementation:
- _increment_restart_failure_counts(): called during stop() when
agents are active. Writes {session_key: count} to JSON file.
Sessions NOT active are dropped (loop broken).
- _suspend_stuck_loop_sessions(): called on startup. Reads the file,
suspends sessions at threshold (3), clears the file.
- _clear_restart_failure_count(): called after successful response
delivery. Removes the session from the counter file.
No SessionEntry schema changes. No database migration. Pure file-based
tracking that naturally cleans up.
Test plan:
- 9 new stuck-loop tests (increment, accumulate, threshold, clear,
suspend, file cleanup, edge cases)
- All 28 gateway lifecycle tests pass (restart drain + auto-continue
+ stuck loop)
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|---|---|---|
| .. | ||
| builtin_hooks | ||
| platforms | ||
| __init__.py | ||
| channel_directory.py | ||
| config.py | ||
| delivery.py | ||
| display_config.py | ||
| hooks.py | ||
| mirror.py | ||
| pairing.py | ||
| restart.py | ||
| run.py | ||
| session.py | ||
| session_context.py | ||
| status.py | ||
| sticker_cache.py | ||
| stream_consumer.py | ||