hermes-agent/plugins
Ramón Fernández 44cd79e798 feat(plugins/google_chat): Google Chat platform adapter as a bundled plugin
Adds Google Chat as a new gateway platform, shipped under
plugins/platforms/google_chat/ following the canonical bundled-plugin
pattern (Teams, IRC).  Rewired from the original PR #18425 to use the
new env_enablement_fn + cron_deliver_env_var plugin interfaces landed
in the preceding commit, so the adapter touches ZERO core files.

What it does:
- Inbound DM + group messages via Cloud Pub/Sub pull subscription (no
  public URL needed), with attachments (PDFs, images, audio, video)
  downloaded through an SSRF-guarded Google-host allowlist.
- Outbound text replies with the 'Hermes is thinking…' patch-in-place
  pattern — no tombstones.
- Native file attachment delivery via per-user OAuth.  Google Chat's
  media.upload endpoint rejects service-account auth, so each user
  runs /setup-files once in their own DM to grant
  chat.messages.create for themselves; the adapter then uploads as
  them.  Tokens stored per email at
  ~/.hermes/google_chat_user_tokens/<email>.json.
- Thread isolation: side-threads get isolated sessions, top-level DM
  messages share one continuous session.  Persistent thread-count
  store survives gateway restart.
- Supervisor reconnect with exponential backoff.
- Multi-user out of the box.

How it plugs in (no core edits):
- env_enablement_fn seeds PlatformConfig.extra with project_id,
  subscription_name, service_account_json, and the home_channel dict
  (which the core hook turns into a HomeChannel dataclass).  Reads
  GOOGLE_CHAT_PROJECT_ID (falls back to GOOGLE_CLOUD_PROJECT),
  GOOGLE_CHAT_SUBSCRIPTION_NAME (falls back to GOOGLE_CHAT_SUBSCRIPTION),
  GOOGLE_CHAT_SERVICE_ACCOUNT_JSON (falls back to
  GOOGLE_APPLICATION_CREDENTIALS), GOOGLE_CHAT_HOME_CHANNEL.
- cron_deliver_env_var='GOOGLE_CHAT_HOME_CHANNEL' gets cron delivery
  for free — cron/scheduler.py consults the platform registry for any
  name not in its hardcoded built-in sets.
- plugin.yaml's rich requires_env / optional_env blocks auto-populate
  OPTIONAL_ENV_VARS via the new hermes_cli/config.py injector, so
  'hermes config' UI surfaces them with description / url / prompt /
  password metadata.
- Module-level Platform('google_chat') call in adapter.py triggers the
  Platform._missing_() registration so Platform.GOOGLE_CHAT attribute
  access works without an enum entry.

Distribution: ships inside the existing hermes-agent package.  Users
opt in via 'pip install hermes-agent[google_chat]' and follow the
8-step GCP walkthrough at
website/docs/user-guide/messaging/google_chat.md.

Test coverage: 153 tests in tests/gateway/test_google_chat.py, all
passing.  Spans platform registration, env config loading, Pub/Sub
envelope routing, outbound send + chunking + typing patch-in-place,
attachment send paths, SSRF guard, thread/session model,
supervisor reconnect, authorization, per-user OAuth, and the new
plugin-registry cron delivery wiring.

Credit: adapter + OAuth + tests + docs authored by @donramon77
(PR #18425).  Rewire onto the new plugin hooks + salvage commit by
Teknium.

Co-Authored-By: Ramón Fernández <112875006+donramon77@users.noreply.github.com>
2026-05-07 07:15:44 -07:00
..
context_engine fix: robust context engine interface — config selection, plugin discovery, ABC completeness 2026-04-10 19:15:50 -07:00
disk-cleanup docs(plugins): rename disk-guardian to disk-cleanup + bundled-plugins docs 2026-04-20 04:46:45 -07:00
example-dashboard/dashboard feat(dashboard): page-scoped plugin slots for built-in pages (#15658) 2026-04-25 06:55:35 -07:00
google_meet fix(security): bind Meet node server to localhost and restrict token file to owner read 2026-05-04 01:42:59 -07:00
hermes-achievements feat(achievements): share card render on unlocked badges (#19657) 2026-05-04 04:47:53 -07:00
image_gen fix(image-gen): preserve xAI API error status 2026-05-04 04:43:07 -07:00
kanban fix(kanban): make code/pre styling theme-immune across all themes (#21086) (#21247) 2026-05-07 06:51:52 -07:00
memory fix(openviking): add Bearer auth header and omit empty/legacy tenant headers (#21232) 2026-05-07 05:45:58 -07:00
model-providers feat(providers): make all 33 providers pluggable under plugins/model-providers/ 2026-05-05 13:40:01 -07:00
observability/langfuse feat(plugins): add bundled observability/langfuse plugin 2026-04-28 01:40:59 -07:00
platforms feat(plugins/google_chat): Google Chat platform adapter as a bundled plugin 2026-05-07 07:15:44 -07:00
spotify refactor(spotify): convert to built-in bundled plugin under plugins/spotify (#15174) 2026-04-24 07:06:11 -07:00
strike-freedom-cockpit feat(dashboard): reskin extension points for themes and plugins (#14776) 2026-04-23 15:31:01 -07:00
__init__.py feat(memory): pluggable memory provider interface with profile isolation, review fixes, and honcho CLI restoration (#4623) 2026-04-02 15:33:51 -07:00