Bring Matrix feature parity with Discord by adding mention gating and
auto-threading. Both default to true, matching Discord behavior.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Full Docusaurus docs following the Discord guide structure:
Mattermost (277 lines):
- Step-by-step: enable bot accounts, create bot, get token, add to channels
- All env vars documented with examples
- Reply mode (thread/off), home channel, troubleshooting
Matrix (354 lines):
- Step-by-step: create bot account, get access token (Element or API)
- Dual auth (token + password), E2EE section with libolm install
- Thread support, DM detection, home room, troubleshooting
- Works with any homeserver (Synapse, Conduit, Dendrite, matrix.org)