Fix SpokenKokoroTTSService.run_tts signature (broke all call audio)

run_tts is called as run_tts(self, text, context_id); the override only accepted
(self, text), so every utterance raised "takes 2 positional arguments but 3
were given" and produced no audio — callers heard nothing on every call since
the number-normalization change. Added context_id and pass it through. Verified
the service now emits audio (118KB for a sample) with digits normalized.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

bot.py

@@ -320,8 +320,8 @@ class SpokenKokoroTTSService(KokoroTTSService):
     """KokoroTTSService that normalizes numbers to digit-by-digit speech before synthesis,
     so phone numbers/addresses/zips are read naturally instead of as cardinals + 'dash'."""
 
-    async def run_tts(self, text: str):
-        async for frame in super().run_tts(tts_normalize(text)):
+    async def run_tts(self, text: str, context_id: str):
+        async for frame in super().run_tts(tts_normalize(text), context_id):
             yield frame