Bug: SSH Ed25519 key exported in 1PUX violates RFC-8410 §7

The a PKCS#8 PEM-wrapped DER format Ed25519 private and public keys exported in 1PUX are tagged EXPLICIT, whereas RFC-8410 requires it to be IMPLICIT. This prevents import using any tool compliant with the standard.

For reference, an Ed25519 key pair exported to 1PUX looks like

{  "overview": {    "title": "Playing Games",    "ainfo": "SHA256:B3qe6Gb6NhVHTTVu1pCZL1jNob5isGLUnZEtURr2KIY"  },  "details": {    "sections": [      {        "name": "",        "title": "",        "fields": [          {            "t": "private key",            "n": "private_key",            "k": "sshKey",            "v": "-----BEGIN PRIVATE KEY-----\nXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX==\n-----END PRIVATE KEY-----\n",            "a": {              "guarded": "yes",              "sshKeyAttributes": {                "privateKey": "-----BEGIN PRIVATE KEY-----\nXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX==\n-----END PRIVATE KEY-----\n",                "publicKey": "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFPZhOtzFR5MheT82aSqd6PUUZI7dXuH95gAWWDrnvCk",                "fingerprint": "SHA256:B3qe6Gb6NhVHTTVu1pCZL1jNob5isGLUnZEtURr2KIY",                "keyType": {                  "t": "ed25519"                }              }            }          }        ],        "attributes": {          "hideAddAnotherField": true        }      }    ]  },  "createdAt": "2022-07-20T16:30:36Z",  "updatedAt": "2026-06-04T22:51:07Z",  "faveIndex": 0,  "trashed": "N",  "templateUuid": "114",  "uuid": "xxxxxxxxxxxxxxxxxxxxxxxxxxx"}

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