C2D InitializeCompute: make algo fully optional

[alexcos20]

2026-03-03T07:54:47.921Z info: CORE:    Checking received command data for Command "initializeCompute": {
    "command": "initializeCompute",
    "datasets": [],
    "algorithm": {
        "meta": {
            "rawcode": "rawcode"
        }
    },
    "environment": "0x4cf200f0c900e544cdacc1b7a9dd7fe20abea4b3ded2497d1c243e98d4aa75a5-0xa81ecbc9a94bfcfe97436c7ed5a9ac91617736aa5fc4c4902bd70d17e0565059",
    "payment": {
        "chainId": 11155111,
        "token": "0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238",
        "resources": [
            {
                "amount": 1,
                "id": "cpu"
            },
            {
                "amount": 6,
                "id": "ram"
            },
            {
                "amount": 1,
                "id": "gpu"
            },
            {
                "amount": 1,
                "id": "disk"
            }
        ]
    },
    "maxJobDuration": 180,
    "consumerAddress": "0x10C7E46e3E758aEFD347a4526F83aCD4a8F5Ca30",
    "signature": "",
    "caller": "12D3KooWHTqZJsY8ZihWWRZUuD5vpTCKSxgRpRqdkYHL6ZfuUX8Z"
}
2026-03-03T07:54:47.933Z error: DATABASE:       ❌ Error when retrieving DDO entry undefined from schema op_ddo_short: connect ECONNREFUSED 127.0.0.1:8108
2026-03-03T07:54:47.946Z error: DATABASE:       ❌ Error when retrieving DDO entry undefined from schema op_ddo_v4.1.0: connect ECONNREFUSED 127.0.0.1:8108
2026-03-03T07:54:47.958Z error: DATABASE:       ❌ Error when retrieving DDO entry undefined from schema op_ddo_v4.3.0: connect ECONNREFUSED 127.0.0.1:8108
2026-03-03T07:54:47.968Z error: DATABASE:       ❌ Error when retrieving DDO entry undefined from schema op_ddo_v4.5.0: connect ECONNREFUSED 127.0.0.1:8108
2026-03-03T07:54:47.980Z error: DATABASE:       ❌ Error when retrieving DDO entry undefined from schema op_ddo_v4.7.0: connect ECONNREFUSED 127.0.0.1:8108
2026-03-03T07:54:47.980Z error: DATABASE:       ❌ DDO entry with ID undefined not found in any schema.
2026-03-03T07:54:47.980Z error: CORE:   Algorithm with id: undefined not found!

see last line of the log