Fixes
https://linear.app/chatwoot/issue/PLA-99/whatsapp-messages-dropped-for-brazilargentina-numbers-due-to-phone
Fixes https://github.com/chatwoot/chatwoot/issues/14492
Meta's WhatsApp Cloud API includes `display_phone_number` in webhook
payloads, but its format can differ from the number stored in Chatwoot's
channel record.
In Brazil, Meta omits the mobile 9 prefix. For example, it sends
55419XXXXXXX (12 digits) instead of 554199XXXXXXX (13 digits). In
Argentina, Meta adds an extra 9 after the country code. For example, it
sends 549XXXXXXXXXX instead of 54XXXXXXXXXX.
The whatsapp event job uses `display_phone_number` for an exact-match
channel lookup. When the formats do not match, the lookup returns nil
and the incoming message is silently dropped, logging:
`Inactive WhatsApp channel: unknown - <phone_number>.`
The fix extends `get_channel_from_wb_payload` to fall back to normalized
phone number matching using the existing PhoneNumberNormalizationService
normalizers (Brazil, Argentina), which were previously only used for
contact-level lookups.
---------
Co-authored-by: Sojan Jose <sojan@pepalo.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Muhsin <12408980+muhsin-k@users.noreply.github.com>
