Add post-diarization speaker review workflow

tests/test_alpha_pair.py

@@ -104,9 +104,12 @@ def test_paired_anonymous_generation_and_mapped_regeneration(
         ProcessingOptions(diarization_enabled=True, performance_profile=profile),
     )
     assert outcome.succeeded
+    assert outcome.awaiting_speaker_review
     assert prepare.call_args.kwargs["normalization_enabled"] is True
     assert transcribe.call_args.args[3] == language
     root = outcome.run_dir
+    assert calls == []
+    service.regenerate_protocol(root, {}, performance_profile=profile)
     first = root / "protocol/generations/001"
     before = {p.name: p.read_bytes() for p in first.iterdir()}
     original = (root / "diarization/transcript_diarized.json").read_bytes()