feat: add Mattermost channel support

Add Mattermost as a supported messaging channel with bot API and WebSocket integration. Includes channel state tracking (tint, summary, details), multi-account support, and delivery target routing. Update documentation and tests to include Mattermost alongside existing channels.
2026-01-21 18:40:56 -05:00
parent fb164b321e
commit bf6df6d6b7
66 changed files with 2545 additions and 34 deletions
--- a/src/config/legacy.migrations.part-1.ts
+++ b/src/config/legacy.migrations.part-1.ts
@@ -124,6 +124,7 @@ export const LEGACY_CONFIG_MIGRATIONS_PART_1: LegacyConfigMigration[] = [
        "telegram",
        "discord",
        "slack",
+        "mattermost",
        "signal",
        "imessage",
        "msteams",