Win-condition ASR profile: tiny.en @1 thread

tests/e2e_livekit.py

@@ -45,7 +45,8 @@ ANSWER_KEYWORDS = ("streamy", "assistant")
 
 os.environ["HF_HOME"] = "/tmp/hf"
 os.environ["FREESTREAM_VOICE_DIR"] = str(ROOT / "voices")
-os.environ["FREESTREAM_WHISPER_MODEL"] = "tiny"  # win-condition profile; base = +2s ASR (docs/LATENCY.md)
+os.environ["FREESTREAM_WHISPER_MODEL"] = "tiny.en"  # measured best: RTF 0.25 @1 thread
+os.environ["FREESTREAM_WHISPER_THREADS"] = "1"
 os.environ["PYTHONPATH"] = str(ROOT)
 sys.path.insert(0, str(ROOT))  # harness imports the package below (log verification)
 os.environ.setdefault("FREESTREAM_LIVEKIT_URL", "ws://localhost:7880")