Invalid request: key does not exist – KV v2 list endpoint pagination ambiguity
The goal is to enumerate every key under a large KV v2 path using the /v1/secret/metadata/?list=true endpoint. The current implementation returns a plain keys array with no continuation token, so the caller must rely on prefix filtering to simulate pagination. Performance degrades noticeably with more than ~1,000 entries, and there is no documented cap on th