DEPRECATED legacy name of NARRATION_PROMPT_NAME, from before the co-agent's rename
from "Voice Co-Agent" to "Realtime Co-Agent". Deployments that have not re-synced the prompt
seed still carry this name, so ResolveNarrationInstructionsTemplate falls back to it
(with a deprecation log).
DEPRECATED legacy name of NARRATION_PROMPT_NAME, from before the co-agent's rename from "Voice Co-Agent" to "Realtime Co-Agent". Deployments that have not re-synced the prompt seed still carry this name, so ResolveNarrationInstructionsTemplate falls back to it (with a deprecation log).