Phase 842: 4-peer guild offline recovery mesh fanout (v0.8.809)

Add runGuildMeshQuadOfflineRecoveryJourney and meshQuadOfflineRecoveryReady
matcher for quad disconnect/reconnect with offline recovery on all guests.

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 842 (v0.8.809):** `runGuildMeshQuadOfflineRecoveryJourney` (4-peer offline recovery). Bundle: `npm run test:ci-phase842`.
+
 **Phase 841 (v0.8.808):** `runGuildMeshQuadSyncHealthJourney` (4-peer sync health rail). Bundle: `npm run test:ci-phase841`.
 
 **Phase 840 (v0.8.807):** `runGuildMeshQuadSyncPendingJourney` (4-peer sync pending & outbox). Bundle: `npm run test:ci-phase840`.

assert.js

@@ -201,6 +201,16 @@ function matchView (view, spec) {
       if (!gid || !rail || typeof rail !== 'object') return false
       continue
     }
+    if (key === 'meshQuadOfflineRecoveryReady') {
+      if (!expected) return true
+      const peers = Number(view?.stats?.peers) || 0
+      if (peers < 2) return false
+      const gid = view?.guild?.id
+      const rail = gid ? view.guildSyncHealthRail?.[gid] : null
+      if (rail?.meshBounded) return false
+      if (view?.meshStabilityStats?.pushHalted) return false
+      continue
+    }
     if (key === 'meshQuadUnreadReady') {
       if (!expected) return true
       const peers = Number(view?.stats?.peers) || 0

headless.js

@@ -8215,6 +8215,114 @@ class HeadlessSession {
     }
   }
 
+  /** Phase 842: 4-peer mesh — offline recovery on host + all three guests after reconnect. */
+  async runGuildMeshQuadOfflineRecoveryJourney () {
+    const {
+      connectGuildMeshQuad,
+      disconnectGuildMeshQuad
+    } = require('./mesh-helpers')
+    const token = `offline842-${Date.now()}`
+    const base = path.join(os.tmpdir(), `pearcord-agentctl-offline842-${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') })
+    const guest3 = new HeadlessSession({ storagePath: path.join(base, 'guest3') })
+    await host.start()
+    await guest1.start()
+    await guest2.start()
+    await guest3.start()
+    try {
+      await host.registerUser({ username: 'offhost842', displayName: 'Offline Host 842' })
+      await host.createGuild({ name: 'Offline Quad 842', 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: 'offguest842a', displayName: 'Offline Guest 842a' })
+      await guest2.registerUser({ username: 'offguest842b', displayName: 'Offline Guest 842b' })
+      await guest3.registerUser({ username: 'offguest842c', displayName: 'Offline Guest 842c' })
+      await guest1.ipc({ type: 'join-invite', code })
+      await guest2.ipc({ type: 'join-invite', code })
+      await guest3.ipc({ type: 'join-invite', code })
+      await guest1.wait({ mode: 'guild' }, 45000)
+      await guest2.wait({ mode: 'guild' }, 45000)
+      await guest3.wait({ mode: 'guild' }, 45000)
+      const chId = (await host.refreshView()).activeChannelId
+      if (!chId) throw new Error('active channel missing')
+      for (const sess of [guest1, guest2, guest3]) {
+        await sess.ipc({ type: 'select-channel', channelId: chId })
+        await sess.wait({ activeChannelId: chId }, 30000)
+      }
+      await connectGuildMeshQuad(
+        host.platform,
+        guest1.platform,
+        guest2.platform,
+        guest3.platform,
+        55000
+      )
+      const quadWait = { meshQuadReady: true, membersMin: 4 }
+      await host.wait(quadWait, 30000)
+      await guest1.wait(quadWait, 30000)
+      await guest2.wait(quadWait, 30000)
+      await guest3.wait(quadWait, 30000)
+      await host.sendGuildMessage(token)
+      const msgWait = { activeChannelMessageIncludes: token }
+      await guest1.wait(msgWait, 90000)
+      await guest2.wait(msgWait, 90000)
+      await guest3.wait(msgWait, 90000)
+      await disconnectGuildMeshQuad(
+        host.platform,
+        guest1.platform,
+        guest2.platform,
+        guest3.platform,
+        20000
+      )
+      for (const sess of [guest1, guest2, guest3]) {
+        await sess.wait({ meshPeersExact: 0 }, 30000)
+      }
+      await connectGuildMeshQuad(
+        host.platform,
+        guest1.platform,
+        guest2.platform,
+        guest3.platform,
+        55000
+      )
+      for (const p of [host.platform, guest1.platform, guest2.platform, guest3.platform]) {
+        if (typeof p.runOfflineRecoverySync === 'function') {
+          await p.runOfflineRecoverySync().catch(() => null)
+        }
+        if (typeof p.requestGuildSyncFanout === 'function') {
+          p.requestGuildSyncFanout()
+        }
+      }
+      const readyWait = {
+        meshQuadOfflineRecoveryReady: true,
+        meshReconnectReady: true,
+        meshPeersMin: 2
+      }
+      await host.wait(readyWait, 90000)
+      await guest1.wait(readyWait, 90000)
+      await guest2.wait(readyWait, 90000)
+      await guest3.wait(readyWait, 90000)
+      await guest1.wait(msgWait, 90000)
+      await guest2.wait(msgWait, 90000)
+      await guest3.wait(msgWait, 90000)
+      const hv = await host.refreshView()
+      const g3v = await guest3.refreshView()
+      return {
+        token,
+        hostPeers: hv.stats?.peers,
+        guest3Peers: g3v.stats?.peers,
+        guest3Bounded: g3v.guildSyncHealthRail?.[g3v.guild?.id]?.meshBounded
+      }
+    } finally {
+      await host.close()
+      await guest1.close()
+      await guest2.close()
+      await guest3.close()
+    }
+  }
+
   /** Phase 829: 4-peer mesh — drop one guest, survivors stay synced, rejoin + recovery burst. */
   async runGuildMeshQuadChurnRejoinJourney () {
     const {