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Unified history configuration block. Supersedes the individual transcripts, threadHistory, and messageHistory fields on ChatConfig.

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Properties

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{ maxMessages: number; ttlMs: number }
Per-thread message history backfill. Used by adapters that set persistThreadHistory: true (e.g. Telegram, WhatsApp). Replaces the top-level threadHistory / messageHistory config fields.
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UserHistoryConfig
Cross-platform per-user message persistence. Replaces the top-level transcripts config field. Requires an identity resolver via UserHistoryConfig.identity (preferred) or the deprecated top-level ChatConfig.identity.