align Whisper tests with decoding controls

tests/test_whisper_service.py

@@ -7,7 +7,9 @@ from app.services.whisper_service import WhisperService
 
 
 class FakeWord:
-    def __init__(self, word: str, start: float, end: float, probability: float = 0.9876543) -> None:
+    def __init__(
+        self, word: str, start: float, end: float, probability: float = 0.9876543
+    ) -> None:
         self.word = word
         self.start = start
         self.end = end
@@ -43,7 +45,15 @@ class FakeModel:
 def test_transcribe_sync_includes_word_timestamps() -> None:
     model = FakeModel()
     segments, info = WhisperService._transcribe_sync(
-        model, Path("sample.wav"), "transcribe", "en", 5, True, True
+        model,
+        Path("sample.wav"),
+        "transcribe",
+        "en",
+        5,
+        True,
+        True,
+        True,
+        0.0,
     )
 
     assert info["language"] == "en"
@@ -61,11 +71,21 @@ def test_transcribe_sync_includes_word_timestamps() -> None:
 def test_transcribe_sync_can_disable_word_timestamps() -> None:
     model = FakeModel()
     segments, _ = WhisperService._transcribe_sync(
-        model, Path("sample.wav"), "transcribe", "en", 5, True, False
+        model,
+        Path("sample.wav"),
+        "transcribe",
+        "en",
+        5,
+        True,
+        False,
+        False,
+        0.2,
     )
 
     assert "words" not in segments[0]
     assert model.calls[0]["word_timestamps"] is False
+    assert model.calls[0]["condition_on_previous_text"] is False
+    assert model.calls[0]["temperature"] == 0.2
 
 
 async def test_json_output_preserves_words(tmp_path, settings) -> None:
@@ -87,6 +107,7 @@ async def test_json_output_preserves_words(tmp_path, settings) -> None:
     assert payload["segments"][0]["words"][0]["word"] == " hello"
     assert payload["schema_version"] == "1.0"
     assert payload["language"] == "en"
+    assert payload["model"] == "tiny"
 
 
 async def test_transcript_metadata_uses_canonical_schema(tmp_path, settings) -> None:
@@ -108,3 +129,6 @@ async def test_transcript_metadata_uses_canonical_schema(tmp_path, settings) ->
     assert transcript["task"] == "translate"
     assert transcript["model"] == "tiny"
     assert transcript["segments"][0]["words"][1]["end"] == 1.988
+    assert transcript["word_timestamps"] is True
+    assert result.metadata["condition_on_previous_text"] is True
+    assert result.metadata["temperature"] == 0.0