WIP: Save agent roles integration work before CHORUS rebrand

- Agent roles and coordination features
- Chat API integration testing
- New configuration and workspace management

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

vendor/github.com/multiformats/go-multibase/base2.go

@@ -0,0 +1,52 @@
+package multibase
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// binaryEncodeToString takes an array of bytes and returns
+// multibase binary representation
+func binaryEncodeToString(src []byte) string {
+	dst := make([]byte, len(src)*8)
+	encodeBinary(dst, src)
+	return string(dst)
+}
+
+// encodeBinary takes the src and dst bytes and converts each
+// byte to their binary rep using power reduction method
+func encodeBinary(dst []byte, src []byte) {
+	for i, b := range src {
+		for j := 0; j < 8; j++ {
+			if b&(1<<uint(7-j)) == 0 {
+				dst[i*8+j] = '0'
+			} else {
+				dst[i*8+j] = '1'
+			}
+		}
+	}
+}
+
+// decodeBinaryString takes multibase binary representation
+// and returns a byte array
+func decodeBinaryString(s string) ([]byte, error) {
+	if len(s)&7 != 0 {
+		// prepend the padding
+		s = strings.Repeat("0", 8-len(s)&7) + s
+	}
+
+	data := make([]byte, len(s)>>3)
+
+	for i, dstIndex := 0, 0; i < len(s); i = i + 8 {
+		value, err := strconv.ParseInt(s[i:i+8], 2, 0)
+		if err != nil {
+			return nil, fmt.Errorf("error while conversion: %s", err)
+		}
+
+		data[dstIndex] = byte(value)
+		dstIndex++
+	}
+
+	return data, nil
+}