Phase 818: runGuildMeshTripleSyncHealthJourney (v0.8.785).

Adds guildSyncHealthRailPresent matcher and triple-peer sync health
contract after _refreshGuildSyncHealthCounts and mesh fanout.

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

README.md

@@ -2,6 +2,8 @@
 
 Agent control plane for Pearcord — send the same IPC messages the UI sends, read `view` snapshots, and run scripted journeys against a **live worker** or an in-process **headless** session.
 
+**Phase 818 (v0.8.785):** `runGuildMeshTripleSyncHealthJourney` (3-peer sync health rail). Bundle: `npm run test:ci-phase818`.
+
 **Phase 817 (v0.8.784):** `runGuildMeshTripleOfflineRecoveryJourney` (3-peer offline recovery). Bundle: `npm run test:ci-phase817`.
 
 **Phase 816 (v0.8.783):** `runGuildMeshTriplePartitionHealHardenedJourney`, `partitionHealComplete`. Bundle: `npm run test:ci-phase816`.

assert.js

@@ -144,6 +144,14 @@ function matchView (view, spec) {
       if (rail?.meshBounded) return false
       return true
     }
+    if (key === 'guildSyncHealthRailPresent') {
+      if (!expected) return true
+      const gid = view?.guild?.id
+      if (!gid) return false
+      const rail = view.guildSyncHealthRail?.[gid]
+      if (!rail || typeof rail !== 'object') return false
+      continue
+    }
     if (key === 'meshPeersExact') {
       const n = Number(view?.stats?.peers) || 0
       if (n !== Number(expected)) return false

headless.js

@@ -6141,6 +6141,79 @@ class HeadlessSession {
     }
   }
 
+  /** Phase 818: 3-peer mesh — sync health rail on host + both guests after fanout. */
+  async runGuildMeshTripleSyncHealthJourney () {
+    const { connectGuildMeshTriple } = require('./mesh-helpers')
+    const token = `health818-${Date.now()}`
+    const base = path.join(os.tmpdir(), `pearcord-agentctl-health818-${Date.now()}`)
+    const host = new HeadlessSession({ storagePath: path.join(base, 'host') })
+    const guest1 = new HeadlessSession({ storagePath: path.join(base, 'guest1') })
+    const guest2 = new HeadlessSession({ storagePath: path.join(base, 'guest2') })
+    await host.start()
+    await guest1.start()
+    await guest2.start()
+    try {
+      await host.registerUser({ username: 'hlthhost818', displayName: 'Health Host 818' })
+      await host.createGuild({ name: 'Sync Health Triple 818', publicListing: false })
+      await host.wait({ mode: 'guild' }, 45000)
+      const invite = await host.platform.createInvite().catch(() => null)
+      const code = invite?.shareCode || invite?.code
+      if (!code) throw new Error('host invite missing')
+      await guest1.registerUser({ username: 'hlthguest818a', displayName: 'Health Guest 818a' })
+      await guest2.registerUser({ username: 'hlthguest818b', displayName: 'Health Guest 818b' })
+      await guest1.ipc({ type: 'join-invite', code })
+      await guest2.ipc({ type: 'join-invite', code })
+      await guest1.wait({ mode: 'guild' }, 45000)
+      await guest2.wait({ mode: 'guild' }, 45000)
+      await connectGuildMeshTriple(
+        host.platform,
+        guest1.platform,
+        guest2.platform,
+        50000
+      )
+      for (const sess of [host, guest1, guest2]) {
+        const gid = (await sess.refreshView()).guild?.id
+        if (gid && typeof sess.platform._refreshGuildSyncHealthCounts === 'function') {
+          await sess.platform._refreshGuildSyncHealthCounts(gid).catch(() => null)
+        }
+        if (typeof sess.platform.requestGuildSyncFanout === 'function') {
+          sess.platform.requestGuildSyncFanout()
+        }
+      }
+      const readyWait = {
+        meshReconnectReady: true,
+        meshPeersMin: 1,
+        guildSyncHealthRailPresent: true
+      }
+      await host.wait(readyWait, 90000)
+      await guest1.wait(readyWait, 90000)
+      await guest2.wait(readyWait, 90000)
+      await host.sendGuildMessage(token)
+      const msgWait = { activeChannelMessageIncludes: token }
+      await guest1.wait(msgWait, 90000)
+      await guest2.wait(msgWait, 90000)
+      const hv = await host.refreshView()
+      const g1v = await guest1.refreshView()
+      const g2v = await guest2.refreshView()
+      const gid = hv.guild?.id
+      return {
+        token,
+        hostPeers: hv.stats?.peers,
+        guest1Peers: g1v.stats?.peers,
+        guest2Peers: g2v.stats?.peers,
+        hostRail: gid ? !!hv.guildSyncHealthRail?.[gid] : false,
+        guest1Rail: gid ? !!g1v.guildSyncHealthRail?.[gid] : false,
+        guest2Rail: gid ? !!g2v.guildSyncHealthRail?.[gid] : false,
+        guest1Bounded: g1v.guildSyncHealthRail?.[gid]?.meshBounded,
+        guest2Bounded: g2v.guildSyncHealthRail?.[gid]?.meshBounded
+      }
+    } finally {
+      await host.close()
+      await guest1.close()
+      await guest2.close()
+    }
+  }
+
   /** Phase 809: 3-peer mesh disconnect + reconnect; both guests recover sync rail. */
   async runGuildMeshTripleReconnectJourney () {
     const {