1  package session
 2  
 3  import (
 4  	"fmt"
 5  	"strings"
 6  	"unicode/utf8"
 7  )
 8  
 9  // AgentTitle returns a fixed title for a named agent's long-lived session.
10  func AgentTitle(agentName string) string {
11  	return fmt.Sprintf("%s conversation", agentName)
12  }
13  
14  // Title creates a short, readable title from user input.
15  // Truncates to 50 chars at a word boundary, strips leading/trailing whitespace
16  // and newlines, and ensures single-line output.
17  func Title(input string) string {
18  	// Take first line only
19  	if idx := strings.IndexAny(input, "\n\r"); idx >= 0 {
20  		input = input[:idx]
21  	}
22  	input = strings.TrimSpace(input)
23  	if input == "" {
24  		return "New session"
25  	}
26  	const maxRunes = 50
27  	if utf8.RuneCountInString(input) <= maxRunes {
28  		return input
29  	}
30  	// Truncate at rune boundary
31  	runes := []rune(input)
32  	truncated := string(runes[:maxRunes])
33  	if lastSpace := strings.LastIndex(truncated, " "); lastSpace > len(truncated)/2 {
34  		truncated = truncated[:lastSpace]
35  	}
36  	return truncated + "..."
37  }