feat(keyboard): improve typing, voice flow, and polish reliability

Reduce extension memory pressure and delivery races while adding richer candidates, tactile feedback, and safer two-level creative polishing.
2026-08-05 21:39:31 +08:00
parent 38e5ad570d
commit 31f5937a7f
177 changed files with 8343 additions and 3904 deletions
@@ -0,0 +1,54 @@
+// FlowPhysicalAudioStressTests.swift
+// OSGKeyboardTests
+//
+// Physical-device release gate for the PiP playback ↔ capture transition.
+// Excluded from PR presets because Simulator cannot model Bluetooth HFP.
+
+import AVFoundation
+import XCTest
+@testable import OSGKeyboardHostSupport
+@testable import OSGKeyboardShared
+
+final class FlowPhysicalAudioStressTests: XCTestCase {
+    @MainActor
+    func testFiftyCapturePlaybackCyclesRemainStable() async throws {
+        #if targetEnvironment(simulator)
+        throw XCTSkip("Bluetooth HFP stress requires a physical iPhone")
+        #else
+        guard AVAudioApplication.shared.recordPermission == .granted else {
+            throw XCTSkip("Grant microphone permission to OSGKeyboard first")
+        }
+
+        let capture = FlowContinuousCapture()
+        let initialRSS = OSGDiag.memoryMB()
+
+        for iteration in 1...50 {
+            try await capture.start()
+            let receivedFrame = await capture.awaitAudioFlowing(timeout: 2)
+            XCTAssertTrue(receivedFrame, "No microphone frame in iteration \(iteration)")
+            XCTAssertTrue(capture.engineIsLive, "Engine not live in iteration \(iteration)")
+
+            capture.stop(releaseSession: false)
+            let playbackReady = await FlowAudioSessionCoordinator.shared.activatePlayback()
+            XCTAssertTrue(playbackReady, "PiP playback restore failed in iteration \(iteration)")
+            try? await Task.sleep(nanoseconds: 50_000_000)
+        }
+
+        try? await Task.sleep(nanoseconds: 500_000_000)
+        XCTAssertEqual(capture.engineActivationCount, 50)
+        XCTAssertEqual(
+            capture.routeRecoveryCount,
+            0,
+            "Stable routeConfigurationChange notifications must not rebuild the engine"
+        )
+
+        let growth = OSGDiag.memoryMB() - initialRSS
+        XCTAssertLessThan(
+            growth,
+            80,
+            "Fifty audio cycles retained \(String(format: "%.1f", growth)) MB"
+        )
+        FlowAudioSessionCoordinator.shared.deactivate()
+        #endif
+    }
+}