[Audio] Ship comms radio chatter with procedural AI voices

[sja-thedude]

Goal\nFlavor for warps, dogfights, station approaches.\n\n## Tasks\n- LLM-generated short barks\n- Radio EQ + static FX\n- Throttle frequency to taste

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Part of the NEXUS: The Sentient Galaxy initiative under PlayPath. Project lives at /projects/nexus-sentient-galaxy/.