chore: initial commit

internal/memory/compress.go

@@ -0,0 +1,19 @@
+package memory
+
+import "strings"
+
+func CompressForPrompt(messages []Message, maxChars int) string {
+	if maxChars <= 0 {
+		maxChars = 8000
+	}
+
+	builder := strings.Builder{}
+	for _, msg := range messages {
+		line := msg.Role + ": " + msg.Content + "\n"
+		if builder.Len()+len(line) > maxChars {
+			break
+		}
+		builder.WriteString(line)
+	}
+	return builder.String()
+}