fix(events): derive senderDevice from raw device suffix

jidNormalizedUser stripped the device segment before senderDeviceOf ran, so
senderDevice was always 'android'. Keep the raw participant jid and decode the
device from it.

Author: zeative

src/events/context.ts

@@ -335,7 +335,7 @@ export const buildMessageContext = (input: BuildContextInput): MessageContext =>
     senderId,
     senderLid: input.sender.lid ?? null,
     senderName: input.sender.pushName ?? null,
-    senderDevice: senderDeviceOf(input.sender.jid),
+    senderDevice: senderDeviceOf(input.sender.deviceJid ?? input.sender.jid),
     timestamp: epochSecondsToMs(input.message.messageTimestamp),
     text: input.text,
     mentions: input.mentions,

src/events/decoders/_shared.ts

@@ -45,6 +45,7 @@ export const extractSender = (
   const alt = altRaw != null ? extractJid(altRaw) : null
   const username = nonEmpty(key.participantUsername) ?? nonEmpty(key.remoteJidUsername)
   const sender: SenderInfo = { jid, isMe: key.fromMe === true }
+  if (typeof raw === 'string' && raw.length > 0) sender.deviceJid = raw
   const candidates = alt !== null ? [jid, alt] : [jid]
   const lid = candidates.find(isLidJid)
   const pn = candidates.find(isPnJid)

src/events/types.ts

@@ -3,6 +3,7 @@ import type { MentionAllContext, MentionContext, MessageContext } from './contex
 
 export interface SenderInfo {
   jid: string
+  deviceJid?: string
   lid?: string
   pn?: string
   username?: string

tests/events/pipeline.test.ts

@@ -169,6 +169,20 @@ describe('attachInboundPipeline — messages.upsert', () => {
     expect(seen.mock.calls[0]?.[0].mentions).toEqual(['66554863583429@lid'])
   })
 
+  it('derives senderDevice from the participant device suffix', () => {
+    const { client, socket } = setup()
+    const seen = vi.fn()
+    client.on('text', seen)
+    socket.triggerMessagesUpsert({
+      messages: [
+        textMsg('hi', { key: { remoteJid: '99-1@g.us', id: 'D1', fromMe: false, participant: '628000:3@s.whatsapp.net' } }),
+      ],
+      type: 'notify',
+    })
+    expect(seen.mock.calls[0]?.[0].senderDevice).toBe('web')
+    expect(seen.mock.calls[0]?.[0].senderId).toBe('628000@s.whatsapp.net')
+  })
+
   it('emits both text and mention when self mentioned (multi-decoder)', () => {
     const { client, socket } = setup()
     const text = vi.fn()