Method putChatSystemPrompt

coderd/exp_chats.go:4614–4659

(rw http.ResponseWriter, r *http.Request)

}

func (api *API) putChatSystemPrompt(rw http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	if !api.Authorize(r, policy.ActionUpdate, rbac.ResourceDeploymentConfig) {
		httpapi.Forbidden(rw)
		return
	}
	// Cap the raw request body to prevent excessive memory use from
	// payloads padded with invisible characters that sanitize away.
	r.Body = http.MaxBytesReader(rw, r.Body, int64(2*maxSystemPromptLenBytes))
	var req codersdk.UpdateChatSystemPromptRequest
	if !httpapi.Read(ctx, rw, r, &req) {
		return
	}
	sanitizedPrompt := chatd.SanitizePromptText(req.SystemPrompt)
	// 128 KiB is generous for a system prompt while still
	// preventing abuse or accidental pastes of large content.
	if len(sanitizedPrompt) > maxSystemPromptLenBytes {
		httpapi.Write(ctx, rw, http.StatusBadRequest, codersdk.Response{
			Message: "System prompt exceeds maximum length.",
			Detail:  fmt.Sprintf("Maximum length is %d bytes, got %d.", maxSystemPromptLenBytes, len(sanitizedPrompt)),
		})
		return
	}
	err := api.Database.InTx(func(tx database.Store) error {
		if err := tx.UpsertChatSystemPrompt(ctx, sanitizedPrompt); err != nil {
			return err
		}
		// Only update the include-default flag when the caller explicitly
		// provides it. Omitting the field preserves whatever is currently
		// stored (or the schema-level default for new deployments),
		// avoiding a backward-compatibility regression for older clients
		// that only send system_prompt.
		if req.IncludeDefaultSystemPrompt != nil {
			return tx.UpsertChatIncludeDefaultSystemPrompt(ctx, *req.IncludeDefaultSystemPrompt)
		}
		return nil
	}, nil)
	if err != nil {
		httpapi.Write(ctx, rw, http.StatusInternalServerError, codersdk.Response{
			Message: "Internal error updating chat system prompt configuration.",
			Detail:  err.Error(),
		})
		return
	}
	rw.WriteHeader(http.StatusNoContent)
}

// EXPERIMENTAL: this endpoint is experimental and is subject to change.
//