Lock MVP voice (Michael, native settings); native /tts route

_pipeline/settings.yaml

@@ -24,12 +24,21 @@ llm:
 
 # OpenAI-compatible speech endpoint.
 voice:
-  endpoint: http://127.0.0.1:8000/v1/audio/speech
+  # LOCKED by Ty 2026-10-17 for MVP ("clip B"): Chatterbox, stock voice Michael, native settings only.
+  # Never set speed_factor: the server applies it as a time-stretch after generation and ruins the sound.
+  api: chatterbox_tts        # chatterbox_tts = native /tts route; anything else = OpenAI-style /v1/audio/speech
+  endpoint: http://voice:8004/tts
   model: chatterbox
-  voice: default
-  extra: {}                  # extra JSON fields sent with every request (for example speed)
+  voice: Michael.wav
+  extra:                     # extra JSON fields sent with every request
+    exaggeration: 0.25
+    cfg_weight: 0.2
+    temperature: 0.6
+    seed: 7
+    split_text: true
+    chunk_size: 240          # the server splits long text at sentence ends into chunks of about this size
   timeout_s: 600
-  max_chunk_chars: 300       # long paragraphs are cut at sentence ends into pieces this size or smaller
+  max_chunk_chars: 100000    # one request per paragraph; the server does the sentence splitting (chunk_size above)
   gap_sentence_s: 0.25       # pause between pieces inside a paragraph
   gap_paragraph_s: 0.7       # pause between paragraphs and after cues and labels