Fill in previously-unspecified wait durations

This are now specified. Taken from spec version 8ff947d.

Sources/AblyChat/RoomLifecycleManager.swift

@@ -879,9 +879,9 @@ internal actor DefaultRoomLifecycleManager<Contributor: RoomLifecycleContributor
                     // CHA-RL2h3: Retry until detach succeeds, with a pause before each attempt
                     while true {
                         do {
-                            logger.log(message: "Will attempt to detach non-failed contributor \(contributor) in 1s.", level: .info)
-                            // TODO: what's the correct wait time? (https://github.com/ably/specification/pull/200#discussion_r1763799223)
-                            try await clock.sleep(timeInterval: 1)
+                            let waitDuration = 0.25
+                            logger.log(message: "Will attempt to detach non-failed contributor \(contributor) in \(waitDuration)s.", level: .info)
+                            try await clock.sleep(timeInterval: waitDuration)
                             logger.log(message: "Detaching non-failed contributor \(contributor)", level: .info)
                             try await contributor.channel.detach()
                             break
@@ -964,11 +964,11 @@ internal actor DefaultRoomLifecycleManager<Contributor: RoomLifecycleContributor
                     break
                 } catch {
                     // CHA-RL3f: Retry until detach succeeds, with a pause before each attempt
-                    logger.log(message: "Failed to detach contributor \(contributor), error \(error). Will retry in 1s.", level: .info)
+                    let waitDuration = 0.25
+                    logger.log(message: "Failed to detach contributor \(contributor), error \(error). Will retry in \(waitDuration)s.", level: .info)
                     // TODO: Make this not trap in the case where the Task is cancelled (as part of the broader https://github.com/ably-labs/ably-chat-swift/issues/29 for handling task cancellation)
-                    // TODO: what's the correct wait time? (https://github.com/ably/specification/pull/200#discussion_r1763822207)
                     // swiftlint:disable:next force_try
-                    try! await clock.sleep(timeInterval: 1)
+                    try! await clock.sleep(timeInterval: waitDuration)
                     // Loop repeats
                 }
             }

Tests/AblyChatTests/DefaultRoomLifecycleManagerTests.swift

@@ -667,11 +667,11 @@ struct DefaultRoomLifecycleManagerTests {
         // When: `performDetachOperation()` is called on the manager
         try await manager.performDetachOperation()
 
-        // Then: It attempts to detach the channel 3 times, waiting 1s between each attempt, the room transitions from DETACHING to DETACHED with no status updates in between, and the call to `performDetachOperation()` succeeds
+        // Then: It attempts to detach the channel 3 times, waiting 250ms between each attempt, the room transitions from DETACHING to DETACHED with no status updates in between, and the call to `performDetachOperation()` succeeds
         #expect(await contributor.channel.detachCallCount == 3)
 
         // We use "did it call clock.sleep(…)?" as a good-enough proxy for the question "did it wait for the right amount of time at the right moment?"
-        #expect(await clock.sleepCallArguments == Array(repeating: 1, count: 2))
+        #expect(await clock.sleepCallArguments == Array(repeating: 0.25, count: 2))
 
         #expect(await asyncLetStatusChanges.map(\.current) == [.detaching, .detached])
     }
@@ -845,11 +845,11 @@ struct DefaultRoomLifecycleManagerTests {
         // Then: When `performReleaseOperation()` is called on the manager
         await manager.performReleaseOperation()
 
-        // It: calls `detach()` on the channel 3 times, with a 1s pause between each attempt, and the call to `performReleaseOperation` completes
+        // It: calls `detach()` on the channel 3 times, with a 0.25s pause between each attempt, and the call to `performReleaseOperation` completes
         #expect(await contributor.channel.detachCallCount == 3)
 
         // We use "did it call clock.sleep(…)?" as a good-enough proxy for the question "did it wait for the right amount of time at the right moment?"
-        #expect(await clock.sleepCallArguments == Array(repeating: 1, count: 2))
+        #expect(await clock.sleepCallArguments == Array(repeating: 0.25, count: 2))
     }
 
     // @specOneOf(2/2) CHA-RL3e - Tests that this spec point suppresses CHA-RL3f retries
@@ -870,13 +870,13 @@ struct DefaultRoomLifecycleManagerTests {
 
         // Then:
         // - it calls `detach()` precisely once on the contributor (that is, it does not retry)
-        // - it waits 1s (TODO: confirm my interpretation of CHA-RL3f, which is that the wait still happens, but is not followed by a retry; have asked in https://github.com/ably/specification/pull/200/files#r1765372854)
+        // - it waits 0.25s (TODO: confirm my interpretation of CHA-RL3f, which is that the wait still happens, but is not followed by a retry; have asked in https://github.com/ably/specification/pull/200/files#r1765372854)
         // - the room transitions to RELEASED
         // - the call to `performReleaseOperation()` completes
         #expect(await contributor.channel.detachCallCount == 1)
 
         // We use "did it call clock.sleep(…)?" as a good-enough proxy for the question "did it wait for the right amount of time at the right moment?"
-        #expect(await clock.sleepCallArguments == [1])
+        #expect(await clock.sleepCallArguments == [0.25])
 
         _ = await releasedStatusChange