第一次

现在，用自己的话讲一遍。

不需要复述原句。像讲给一位没看过文章的同事听。

今天的重点：先说结论

麦克风权限已关闭

复述需要录音。打开权限后回到这里，就能直接开始；文章和进度都保留着。

Retell · round 1 · permission-denied

record--permission-denied

Microphone denied. No attempt is created. Deep link to Settings; article and stage preserved.

GET /v1/sessions/{id} (stage = round1, max_round1_ms, min_valid_ms, previous_focus, language)
POST /v1/sessions/{id}/attempts {round, duration_ms, size_bytes, sha256, pause_count} → presigned PUT
PUT upload.url
POST /v1/attempts/{id}/submit

Haptics: start = impact(.medium); pause = impact(.light); auto-stop = notification(.warning).
Record button 96pt; VoiceOver label changes with state.

Data-binding table: data-binding.md · States: states.md