[SECURITY][Medium] Hardcoded Vault token placeholder in executable example

[lhy8888]

Summary

Vault example path included a hardcoded token placeholder that can lead to unsafe copy/paste usage.

Severity

Medium

Affected Files

cmdb-api/api/lib/secrets/vault.py

Recommended Remediation

Require VAULT_TOKEN from environment and fail fast when missing.

Patch Branch

codex/sec-vault-token-env

Patch Commit

8ad38f8

Fork Branch URL

https://github.com/lhy8888/cmdb-security-fork/tree/codex/sec-vault-token-env