# NousResearch/hermes-agent · Photon zombie-stream watchdog incorrect restart condition

## Open now

- 1 issue, 1 PR open on GitHub.
- #124010: \[Bug\]: Photon sidecar: since v2026.9.24 the zombie-stream watchdog restarts a healthy but quiet dedicated line every 10 minutes
- PR #134604: fix(photon): use the stream's server heartbeat so quiet lines aren't restarted

A bug in the Photon sidecar causes the zombie-stream watchdog to restart healthy but quiet connections every 10 minutes. Fixes narrow the restart trigger to require an overdue outbound echo rather than mere silence plus a probe-alive signal.

## TL;DR

- 4 member(s): 1 open issue(s), 0 closed issue(s), 1 open PR(s), 0 merged PR(s), 2 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.50`: the share of member 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.

## Open related issues

- #124010: \[Bug\]: Photon sidecar: since v2026.9.24 the zombie-stream watchdog restarts a healthy but quiet dedicated line every 10 minutes

## Prior & competing PRs

- **#124388: fix(photon): require overdue outbound echo before zombie-stream restart**. closed without merge
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `#124010`
- **#126878: fix(photon): the zombie watchdog needs a send whose echo never came back, not silence + probe-alive (fixes #124010)**. closed without merge
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `#124010`
- **#134604: fix(photon): use the stream's server heartbeat so quiet lines aren't restarted**. open
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `#141144`
  - files: `Dockerfile`, `plugins/platforms/photon/sidecar/index.mjs`, `plugins/platforms/photon/sidecar/package.json`, `plugins/platforms/photon/sidecar/patch-spectrum-stream-heartbeat.mjs`, `plugins/platforms/photon/sidecar/stream-staleness.mjs`, `plugins/platforms/photon/sidecar_paths.py`, `tests/plugins/platforms/photon/test_stream_heartbeat_patch.py`, `tests/plugins/platforms/photon/test_zombie_stream_watchdog.py`

## Fix status

- No merged fix on record.
- Subsystem: `agent`