Pin spectrum-ts to exactly 3.0.0 (was ^1.18.0 plus an `npm install
spectrum-ts@latest` on every setup) so breaking SDK majors can't take
down fresh installs silently; `hermes photon setup` now runs `npm ci`.
Upgrade procedure documented in the README.
Migrate resolveSpace to the v3 namespace API: `im.space.create(phone)`
for DMs and `im.space.get(id)` for everything else — group spaces are
now rehydratable from their persisted id after a sidecar restart, which
v1 could not do.
Markdown: replies go out via the v3 `markdown()` builder (iMessage
renders natively; other Spectrum platforms degrade to plain text).
`PHOTON_MARKDOWN=false` reverts to the stripped plain-text path.
Reactions, behind PHOTON_REACTIONS (default off): lifecycle tapbacks
(👀 while processing, 👍/👎 on completion) via new sidecar /react and
/unreact endpoints with per-target reaction-handle tracking, and user
tapbacks on bot-sent messages routed to the agent as synthetic
`reaction:added:<emoji>` events.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
* fix(photon): override transitive CVEs in the sidecar deps
`npm audit` flagged 7 high-severity transitive CVEs (protobufjs code injection
GHSA-66ff-xgx4-vchm + outdated @opentelemetry OTLP exporters) pulled in via
spectrum-ts -> @photon-ai/otel. npm's suggested fix downgrades spectrum-ts to a
version that targets the decommissioned spectrum host, so instead pin patched
versions via `overrides` (protobufjs 8.6.1, @opentelemetry/* 0.218.0) without
touching spectrum-ts. `npm audit` -> 0; spectrum-ts + provider still import.
* fix(photon): harden the sidecar bridge + bound the dedup cache
- constant-time sidecar control-token comparison (was `!==`, timing-attackable).
- cap the control-channel request body (2 MiB) so a compromised local peer can't
OOM the sidecar.
- wrap the inbound gRPC stream consumer in a re-subscribe loop with capped
exponential backoff + jitter — if the async iterator throws/ends it would
otherwise stop inbound forever (the adapter dedupes any replay).
- add an unhandledRejection handler so a stray rejection logs instead of killing
the process.
- dedup cache (adapter) was a true bounded LRU only for expired entries; a burst
of unique ids within the window grew it without limit. Evict oldest at the cap.
* chore: add AUTHOR_MAP entry for PhilipAD
---------
Co-authored-by: PhilipAD <philipadsouza@gmail.com>
