feat(cli): add init-master-key / export-credentials / import-credentials commands

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/cli/app.py

@@ -13,6 +13,11 @@ Machine commands output single-line JSON where appropriate.
 """
 import sys
 
+from service.account_crypto_commands import (
+    cmd_account_export_credentials,
+    cmd_account_import_credentials,
+    cmd_account_init_master_key,
+)
 from service.account_service import (
     cmd_account_add_secret,
     cmd_account_add_web,
@@ -211,6 +216,12 @@ def main() -> None:
                 print("ERROR:CLI_BAD_ARGS account open 需要 <id>。")
                 sys.exit(1)
             cmd_open(av[3])
+        elif sub == "init-master-key":
+            cmd_account_init_master_key(av)
+        elif sub == "export-credentials":
+            cmd_account_export_credentials(av)
+        elif sub == "import-credentials":
+            cmd_account_import_credentials(av)
         else:
             print("ERROR:CLI_BAD_ARGS 未知的 account 子命令。")
             print(_USAGE)