Refactor the Channel trait to accept a SendMessage struct instead of
separate message and recipient string parameters. This enables passing
additional metadata like email subjects.
Changes:
- Add SendMessage struct with content, recipient, and optional subject
- Update Channel::send() signature to accept &SendMessage
- Update all 12 channel implementations
- Update call sites in channels/mod.rs and gateway/mod.rs
Subject field usage:
- Email: uses subject for email subject line
- DingTalk: uses subject as markdown message title
- All others: ignore subject (no native platform support)
fix(misc): complete parking_lot::Mutex migration (fixes#505)
- DiscordChannel: store actual channel_id in ChannelMessage.channel
instead of hardcoded "discord" string
- channels/mod.rs: use msg.channel instead of msg.sender for replies
- Migrate all std::sync::Mutex to parking_lot::Mutex:
* src/security/audit.rs
* src/memory/sqlite.rs
* src/memory/response_cache.rs
* src/memory/lucid.rs
* src/channels/email_channel.rs
* src/gateway/mod.rs
* src/observability/traits.rs
* src/providers/reliable.rs
* src/providers/router.rs
* src/agent/agent.rs
- Remove all .lock().unwrap() and .map_err(PoisonError) patterns
since parking_lot::Mutex never poisons
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
ChannelMessage.sender was used both for display (username) and as the
reply target in Channel::send(). For Telegram, sender is the username
(e.g. "unknown") while send() requires the numeric chat_id, causing
"Bad Request: chat not found" errors.
Add a dedicated reply_to field to ChannelMessage that stores the
channel-specific reply address (Telegram chat_id, Discord channel_id,
Slack channel, etc.). Update all channel implementations and dispatch
code to use reply_to for send/start_typing/stop_typing calls.
This also fixes the same latent bug in Discord and Slack channels where
sender (user ID) was incorrectly passed as the reply target.
Replace bare .body() call with .singlepart(SinglePart::plain()) to ensure
outgoing emails have explicit Content-Type: text/plain; charset=utf-8
header. This fixes recipients seeing raw quoted-printable encoding
(e.g., =E2=80=99) instead of properly decoded UTF-8 characters.
Replace unbounded HashSet<String> with a BoundedSeenSet that evicts
the oldest message IDs (FIFO) when the 100k capacity is reached. This
prevents memory growth proportional to email volume over the process
lifetime, capping the set at ~100k entries regardless of runtime.
Closes#349
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add port and host fields to GatewayConfig struct
- Add default_gateway_port() and default_gateway_host() functions
- Add apply_env_overrides() method to Config for env var support
- Fix test to include new GatewayConfig fields
All tests pass.
- WhatsApp Cloud API channel (Meta Business Platform)
- Webhook verification, text/media messages, rate limiting
- Phone number allowlist (empty=deny, *=allow, specific numbers)
- Health check via API
- Email channel (IMAP/SMTP over TLS)
- IMAP polling for inbound messages
- SMTP sending with TLS
- Sender allowlist (email, domain, wildcard)
- HTML stripping, duplicate detection
Both implement ZeroClaw's Channel trait directly.
Includes inline unit tests.
