feat(channels): implement WhatsApp Web channel with wa-rs integration

- Add wa-rs dependencies with custom rusqlite storage backend
- Implement functional WhatsApp Web channel using wa-rs Bot
- Integrate TokioWebSocketTransportFactory and UreqHttpClient
- Add message handling via Bot event loop with proper shutdown
- Create WhatsApp storage trait implementations for wa-rs
- Add WhatsApp config schema and onboarding support
- Implement Meta webhook verification for WhatsApp Cloud API
- Add webhook signature verification for security
- Generate unique message keys for WhatsApp conversations
- Remove unused Node.js whatsapp-web-bridge stub

Supersedes: baileys-based bridge approach in favor of native Rust wa-rs
This commit is contained in:
mmacedoeu 2026-02-18 18:23:03 -03:00 committed by Chummy
parent 9381e4451a
commit c2a1eb1088
10 changed files with 2502 additions and 516 deletions

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