Phase 849: sync-guild-mesh-quad-expression-soak IPC

Multi-slice guild-sync-ready fanout for quad expression/metadata soak recovery.

Co-authored-by: Cursor <[email protected]>

README.md

@@ -2,6 +2,8 @@
 
 Pearcord desktop UI IPC dispatch and automated flow scenarios for Bare smokes. Mirrors `apps/pearcord` pear-pipe message handling.
 
+**Phase 849 (v0.8.816):** `sync-guild-mesh-quad-expression-soak` composite IPC. Bundle: `npm run test:ci-phase849`.
+
 **Phase 848 (v0.8.815):** `sync-guild-mesh-quad-channel-lifecycle` channel IPC. Bundle: `npm run test:ci-phase848`.
 
 **Phase 847 (v0.8.814):** `sync-guild-mesh-quad-sounds` soundboard IPC. Bundle: `npm run test:ci-phase847`.

index.js

@@ -1450,6 +1450,45 @@ async function dispatchUiMessage (platform, msg, hooks = {}) {
     })
     return true
   }
+  if (t === 'sync-guild-mesh-quad-expression-soak') {
+    if (platform.mode === 'guild' && platform.guild?.guild?.id) {
+      const gid = platform.guild.guild.id
+      const peerN = platform.guild?.peers?.size ?? 0
+      platform.emit('guild-mesh-topology', {
+        guildId: gid,
+        meshPeerCount: peerN,
+        manualRecovery: true,
+        quadMesh: true
+      })
+      platform.emit('guild-emoji', { guildId: gid, manualRecovery: true })
+      platform.emit('guild-sticker', { guildId: gid, manualRecovery: true })
+      platform.emit('guild-sound', { guildId: gid, manualRecovery: true })
+      platform.emit('channel-settings', {
+        guildId: gid,
+        channelId: platform.activeChannelId,
+        manualRecovery: true
+      })
+      platform.emit('guild-sync-ready', {
+        guildId: gid,
+        quadExpressionSoak: 1,
+        emojis: 1,
+        stickers: 1,
+        sounds: 1,
+        channelTopic: 1,
+        channelSettings: 1,
+        messages: 1
+      })
+      if (typeof platform.requestGuildSyncFanout === 'function') {
+        platform.requestGuildSyncFanout()
+      }
+    }
+    pushState({
+      structural: true,
+      light: false,
+      source: 'sync-guild-mesh-quad-expression-soak'
+    })
+    return true
+  }
   if (t === 'sync-guild-mesh-quad-channel-lifecycle') {
     if (platform.mode === 'guild' && platform.guild?.guild?.id) {
       const gid = platform.guild.guild.id