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Rename an owned chat session

PATCH 
/api/v2/chat-sessions/:session_id

Updates only the title. Leading and trailing whitespace is removed. A changed title increments the session revision and updates updated_at; repeating the current title leaves the revision unchanged. Turns and messages are preserved.

Request​

Responses​

Current session with its updated title

Response Headers
    X-Contract-Version

    Version of the gaius-api-contracts release the backend runs (legalgpt-contracts), sent on every response. Clients compare it with the @legalgpt/contracts version they were built with; both packages share one version per contract.

    Cache-Control

    Prevents storage of sensitive authenticated chat data.

    ETag

    Strong session revision tag. Polish has no suffix; other supported languages append the language code. Use the same Accept-Language on reads and conditional mutations.

    Content-Language

    Language selected for outgoing generic tool-status labels and known HTTP/timeline error text. HTTP reason-phrase titles remain language-neutral.