refactor(queue): tighten reconnect reconciliation

packages/ui/src/stores/messageQueueStore.server.test.ts

@@ -123,7 +123,7 @@ describe("server-owned message queue", () => {
     expect(useMessageQueueStore.getState().sendingIds[key]).toEqual(["q1"])
   })
 
-  test("hydrate keeps a queue a newer broadcast added even when the snapshot predates it", async () => {
+  test("hydrate keeps a queue newer than its snapshot", async () => {
     applyMessageQueueUpdatedEvent(updated(10, session([serverItem("q1", "queued after the read started")])), "runtime-a")
     respond = () => json({ revision: 9, sessions: [] })
     await useMessageQueueStore.getState().hydrate()
@@ -131,24 +131,19 @@ describe("server-owned message queue", () => {
     expect(useMessageQueueStore.getState().queuedMessages[key]?.map((m) => m.id)).toEqual(["q1"])
   })
 
-  test("resync re-reads the server once a hydration established ownership, and drops what it no longer lists", async () => {
-    // Before a hydration the store cannot tell the server's copies from an
-    // older build's local queue, so there is nothing to re-read yet.
+  test("resync waits for initial hydration", async () => {
     activeRuntimeKey = "runtime-never-hydrated"
     await useMessageQueueStore.getState().resync()
     expect(calls).toHaveLength(0)
+  })
 
-    activeRuntimeKey = "runtime-a"
+  test("resync drops a queue the server no longer lists", async () => {
     respond = () => json({ revision: 3, sessions: [session([serverItem("q1", "queued")], "q1")] })
     await useMessageQueueStore.getState().hydrate()
-    expect(useMessageQueueStore.getState().queuedMessages[key]).toHaveLength(1)
 
-    // The server delivered q1 while this client's stream was down.
     respond = () => json({ revision: 4, sessions: [] })
     await useMessageQueueStore.getState().resync()
-    expect(calls.map((call) => `${call.method} ${call.path}`)).toEqual(["GET /api/message-queue", "GET /api/message-queue"])
     expect(useMessageQueueStore.getState().queuedMessages[key]).toBe(undefined)
-    expect(useMessageQueueStore.getState().sendingIds[key]).toBe(undefined)
   })
 
   test("addToQueue shows the message at once and settles on the server's copy", async () => {
@@ -305,10 +300,6 @@ describe("server-owned message queue", () => {
       : json({ revision: 12, sessions: [] }))
     await expect(useMessageQueueStore.getState().takeForSend(target, "q1")).rejects.toThrow()
 
-    expect(calls.map((call) => `${call.method} ${call.path}`)).toEqual([
-      "POST /api/message-queue/sessions/session-1/items/q1/take",
-      "GET /api/message-queue",
-    ])
     expect(useMessageQueueStore.getState().queuedMessages[key]).toBe(undefined)
   })