v0.4.0

v0.4.0 — Community Issue Batch

Fixes:
- Cron jobs can now run workflows directly by ID or name (#485)
- Auto-load workflow definitions from ~/.openfang/workflows/ on startup (#486)
- Matrix adapter: auto-accept invites, mention detection, DM/group detection, skip old messages (#565)
- Cross-channel default recipient via default_chat_id/default_channel_id config (#374)
- Telegram reply-to-message context forwarded to agents (#564)
- Configurable lifecycle_reactions flag per channel (#563)
- Telegram token auto-detection in bot_token_env field (#505)
- WhatsApp gateway ESM module fix (#511)
- Slack thread auto-response tracking (#560)
- Workflow CRUD API, CLI commands, and dashboard UI (#512)
- Dashboard username/password authentication with HMAC session tokens (#456)
- Added openrouter/hunter-alpha model (#568)