[Feature]: Cosmos and DreamDojo validation scripts`

### What is the problem you're trying to solve?

no automated validation for Cosmos or DreamDojo adapters. useful for CI.

### Proposed Solution

add `scripts/validate_cosmos.py` and `scripts/validate_dreamdojo.py`.

### Example Usage (optional)

```python

```

### Alternatives Considered (optional)

_No response_

### Additional Context (optional)

_No response_