feat(agentctl): runGuildMeshTripleStickerJourney for Phase 803

3-peer sticker upsert journey with guildStickerNamed matchers on both 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 803 (v0.8.770):** `runGuildMeshTripleStickerJourney` (3-peer custom sticker). Bundle: `npm run test:ci-phase803`.
+
 **Phase 802 (v0.8.769):** `runGuildMeshTripleEmojiJourney` (3-peer custom emoji). Bundle: `npm run test:ci-phase802`.
 
 **Phase 801 (v0.8.768):** `runGuildMeshTripleChannelLifecycleJourney` (3-peer create + delete). Bundle: `npm run test:ci-phase801`.

headless.js

@@ -5448,6 +5448,72 @@ class HeadlessSession {
     }
   }
 
+  /** Phase 803: 3-peer mesh — host custom sticker visible on both guests. */
+  async runGuildMeshTripleStickerJourney () {
+    const { connectGuildMeshTriple } = require('./mesh-helpers')
+    const token = `mesh803_${Date.now()}`
+    const stickerGif = Buffer.from(
+      'R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7',
+      'base64'
+    )
+    const base = path.join(os.tmpdir(), `pearcord-agentctl-sticker803-${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: 'sthost803', displayName: 'Sticker Host 803' })
+      await host.createGuild({ name: 'Sticker Triple 803', 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: 'stguest803a', displayName: 'Sticker Guest 803a' })
+      await guest2.registerUser({ username: 'stguest803b', displayName: 'Sticker Guest 803b' })
+      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
+      )
+      await host.wait({ meshPeersMin: 1 }, 30000)
+      await guest1.wait({ meshPeersMin: 1 }, 30000)
+      await guest2.wait({ meshPeersMin: 1 }, 30000)
+      await host.upsertGuildSticker({
+        name: token,
+        description: 'Mesh 803 sticker',
+        image: {
+          data: stickerGif,
+          filename: `${token}.gif`,
+          mimeType: 'image/gif'
+        }
+      })
+      for (const p of [host.platform, guest1.platform, guest2.platform]) {
+        if (typeof p.requestGuildSyncFanout === 'function') {
+          p.requestGuildSyncFanout()
+        }
+      }
+      await guest1.wait({ guildStickerNamed: token }, 90000)
+      await guest2.wait({ guildStickerNamed: token }, 90000)
+      const g1v = await guest1.refreshView()
+      const g2v = await guest2.refreshView()
+      const hit1 = (g1v.guildStickers || []).find((s) => s.name === token)
+      const hit2 = (g2v.guildStickers || []).find((s) => s.name === token)
+      if (!hit1 || !hit2) throw new Error('guest missing custom sticker on triple mesh')
+      return { stickerName: token }
+    } finally {
+      await host.close()
+      await guest1.close()
+      await guest2.close()
+    }
+  }
+
   /** Phase 791: 2-peer mesh — host custom sticker visible in guest guildStickers. */
   async runGuildMeshStickerJourney () {
     const { connectGuildMeshPeers } = require('./mesh-helpers')