refactor: rename manager codebase dir new-api → heicode, module github.com/heicode/manager

Remove user-facing new-api naming; Docker/network/container names use heicode.
Go imports updated; Dockerfiles and workflows ldflags fixed.

Made-with: Cursor

heicode/common/hash.go

@@ -0,0 +1,34 @@
+package common
+
+import (
+	"crypto/hmac"
+	"crypto/sha1"
+	"crypto/sha256"
+	"encoding/hex"
+)
+
+func Sha256Raw(data []byte) []byte {
+	h := sha256.New()
+	h.Write(data)
+	return h.Sum(nil)
+}
+
+func Sha1Raw(data []byte) []byte {
+	h := sha1.New()
+	h.Write(data)
+	return h.Sum(nil)
+}
+
+func Sha1(data []byte) string {
+	return hex.EncodeToString(Sha1Raw(data))
+}
+
+func HmacSha256Raw(message, key []byte) []byte {
+	h := hmac.New(sha256.New, key)
+	h.Write(message)
+	return h.Sum(nil)
+}
+
+func HmacSha256(message, key string) string {
+	return hex.EncodeToString(HmacSha256Raw([]byte(message), []byte(key)))
+}