Add files via upload

internal/robot/split.go

@@ -0,0 +1,29 @@
+package robot
+
+import "strings"
+
+// splitTextChunks splits text into chunks no longer than maxRunes (rune count).
+func splitTextChunks(text string, maxRunes int) []string {
+	text = strings.TrimSpace(text)
+	if text == "" || maxRunes <= 0 {
+		return nil
+	}
+	runes := []rune(text)
+	if len(runes) <= maxRunes {
+		return []string{text}
+	}
+	var out []string
+	for len(runes) > 0 {
+		end := maxRunes
+		if end > len(runes) {
+			end = len(runes)
+		}
+		out = append(out, string(runes[:end]))
+		runes = runes[end:]
+	}
+	return out
+}
+
+func trimReply(s string) string {
+	return strings.TrimSpace(s)
+}