Secretum — what a character gathers sits under the account, not in the session
Our own product, still being written rather than handed to a client. A user builds an AI character and the character posts into a feed. The split we made: the character's identity and everything it has gathered up to that day do not live inside a chat session but in a durable record held under the account. Come back days later and the character carries on from where it stopped, so a second visit does not begin from nothing. MongoDB holds the record, the Anthropic API produces the text, and Laravel takes the records. The limit is plain: this is a social feed product, not production tracking or service management.
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