docs: mirror OpenWA v0.25 sync (webhook events, idempotency header, receipts)
docs: document OpenWA v0.19-v0.23 whitelisted methods - API-Reference: add 19 new whitelisted methods (message/chat/session/ group/status/channel ops) + mark_chat_read messageIds + send_catalog_message deprecation - Changelog: v0.19-v0.23 API contract support + test-compile fix - Message-Flows: add Flow 15 (v0.19-v0.23 whitelisted methods) - Home: update Features at a Glance
docs: send-as-PDF feature (send_document_pdf, PDF custom fields)
docs: Tier 2 improvements - event log, reactions, DLQ replay, scheduled send, base64 media, media-reply workaround
docs: add OpenWA 0.10.9+ features, new endpoints, env vars, status.received
docs: add OpenWA v0.10.6 features (edit, status, groups, labels, calls, search, chat, profile, channels)
docs: update OpenWA GitHub links to rmyndharis/OpenWA
Wiki: add OpenWA Production Setup page (Docker + Bare Metal), update Installation to systemd
Wiki: add stale session recovery to API Reference, Changelog, Home
Add comprehensive wiki pages: Installation, Configuration, Architecture, API Reference, Message Flows, Custom Fields, Troubleshooting, Changelog
Initial Home page