fix(models): clear stale speech endpoint settings (#1196)

tests/test_model_routes.py

@@ -33,11 +33,40 @@ from routes.model_routes import (
     _classify_endpoint,
     _probe_endpoint,
     _truthy,
+    _speech_settings_using_endpoint,
+    _clear_speech_settings_for_endpoint,
     _PROVIDER_CURATED,
 )
 from src.llm_core import ANTHROPIC_MODELS
 
 
+# ── speech endpoint settings ──
+
+def test_speech_endpoint_dependents_include_stt():
+    settings = {"stt_provider": "endpoint:voice"}
+    assert _speech_settings_using_endpoint(settings, "voice") == ["Speech to Text"]
+
+
+def test_clear_speech_endpoint_settings_resets_tts_and_stt():
+    settings = {
+        "tts_provider": "endpoint:voice",
+        "tts_model": "custom-tts",
+        "stt_provider": "endpoint:voice",
+        "stt_model": "custom-stt",
+    }
+
+    assert _clear_speech_settings_for_endpoint(settings, "voice") == [
+        "Text to Speech",
+        "Speech to Text",
+    ]
+    assert settings == {
+        "tts_provider": "disabled",
+        "tts_model": "tts-1",
+        "stt_provider": "disabled",
+        "stt_model": "base",
+    }
+
+
 # ── _match_provider_curated ──
 
 class TestMatchProviderCurated: