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hermes-agent/plugins/platforms/photon/sidecar
History
underthestars-zhy 0646656884 fix(photon): support E.164 and DM GUID targets for home channel 
Allow PHOTON_HOME_CHANNEL to accept a bare E.164 phone number or a
`any;-;+1...` DM chat GUID in addition to a Spectrum space id. Inbound
DM spaces are cached so replies resolve without a second SDK lookup,
and `photon` is added to _PHONE_PLATFORMS so send_message treats E.164
strings as explicit targets rather than falling through to channel-name
resolution.
2026-06-08 21:03:58 -07:00
..
index.mjs fix(photon): support E.164 and DM GUID targets for home channel 2026-06-08 21:03:58 -07:00
package.json feat(photon): gRPC-native iMessage channel (no webhook) 2026-06-08 21:03:58 -07:00
README.md feat(gateway): add Photon Spectrum (iMessage) platform plugin 2026-06-08 13:38:30 -07:00

README.md

Photon sidecar

Small Node helper that bridges Hermes Agent to Photon's Spectrum SDK (spectrum-ts). Hermes is Python; Photon has no public HTTP send-message endpoint today; replies therefore go through this sidecar.

The sidecar:

  • runs Spectrum({ projectId, projectSecret, providers: [imessage.config()] })
  • exposes a loopback-only HTTP control channel for the Python adapter to push send/typing requests (auth via X-Hermes-Sidecar-Token)
  • drains the inbound message stream so spectrum-ts keeps its reconnect/heartbeat machinery alive (real inbound delivery is via Photon's signed webhook hitting our Python aiohttp server)

Install

cd plugins/platforms/photon/sidecar
npm install

The Hermes plugin's hermes photon setup command runs npm install here automatically.

Run standalone

For debugging:

PHOTON_PROJECT_ID=... PHOTON_PROJECT_SECRET=... \
PHOTON_SIDECAR_PORT=8789 PHOTON_SIDECAR_TOKEN=$(openssl rand -hex 16) \
node index.mjs

In normal use, the Python adapter supervises this process — start, restart on crash, kill on shutdown — and never asks the user to run it by hand.

Why a sidecar at all?

Photon publishes webhooks (inbound) but their docs state explicitly:

Pass space.id to Space.send(...) from a separate spectrum-ts SDK instance to reply. No public HTTP send endpoint exists today.

— https://photon.codes/docs/webhooks/events

When Photon ships an HTTP send endpoint, the plan is to retire this sidecar entirely and call it directly from Python. The plugin's outbound code path is already isolated behind a single helper (_sidecar_send in adapter.py) to make that swap a one-file change.