42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
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package tooling
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import (
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"fmt"
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"strings"
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"unicode"
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)
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const maxCustomerReplyRunes = 8000
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// NormalizeCustomerReply applies the final plain-text boundary before an AI
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// response enters a customer conversation. It rejects likely credential
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// assignments instead of masking them, because a masked secret is not useful
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// customer-facing content.
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func NormalizeCustomerReply(value string) (string, error) {
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value = strings.TrimSpace(value)
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if value == "" {
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return "", fmt.Errorf("ai reply is empty")
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}
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if secretAssignmentPattern.MatchString(value) {
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return "", fmt.Errorf("ai reply contains sensitive credential data")
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}
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var builder strings.Builder
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for _, r := range value {
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if unicode.IsControl(r) && r != '\n' && r != '\t' {
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continue
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}
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builder.WriteRune(r)
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}
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value = strings.TrimSpace(builder.String())
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for strings.Contains(value, "\n\n\n") {
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value = strings.ReplaceAll(value, "\n\n\n", "\n\n")
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}
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if value == "" {
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return "", fmt.Errorf("ai reply is empty")
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}
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if len([]rune(value)) > maxCustomerReplyRunes {
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return "", fmt.Errorf("ai reply exceeds maximum length")
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}
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return value, nil
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}
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