完善后端联调链路与模拟器多通道支持

tools/mock-gps-sim/server.js

@@ -106,6 +106,11 @@ function isDebugLogPayload(payload) {
     && typeof payload.message === 'string'
 }
 
+function normalizeChannelId(value) {
+  const trimmed = String(value || '').trim()
+  return trimmed || 'default'
+}
+
 async function handleProxyRequest(request, response) {
   const requestUrl = new URL(request.url || '/', `http://127.0.0.1:${PORT}`)
   const targetUrl = requestUrl.searchParams.get('url')
@@ -533,6 +538,7 @@ gpsWss.on('connection', (socket) => {
     const outgoing = JSON.stringify({
       type: 'mock_gps',
       timestamp: Number.isFinite(parsed.timestamp) ? parsed.timestamp : Date.now(),
+      channelId: normalizeChannelId(parsed.channelId),
       lat: Number(parsed.lat),
       lon: Number(parsed.lon),
       accuracyMeters: Number.isFinite(parsed.accuracyMeters) ? Number(parsed.accuracyMeters) : 6,
@@ -566,6 +572,7 @@ heartRateWss.on('connection', (socket) => {
     const outgoing = JSON.stringify({
       type: 'mock_heart_rate',
       timestamp: Number.isFinite(parsed.timestamp) ? parsed.timestamp : Date.now(),
+      channelId: normalizeChannelId(parsed.channelId),
       bpm: Math.max(1, Math.round(Number(parsed.bpm))),
     })
     gatewayBridge.publish(JSON.parse(outgoing))
@@ -595,6 +602,7 @@ debugLogWss.on('connection', (socket) => {
     const outgoing = JSON.stringify({
       type: 'debug-log',
       timestamp: Number.isFinite(parsed.timestamp) ? parsed.timestamp : Date.now(),
+      channelId: normalizeChannelId(parsed.channelId),
       scope: String(parsed.scope || 'app').slice(0, 64),
       level: parsed.level === 'warn' || parsed.level === 'error' ? parsed.level : 'info',
       message: String(parsed.message || '').slice(0, 400),