Add GenerationMixin for transformers v4.50+ compatibility

Fix imports for trust_remote_code: tokenizer_config.json

Fix imports for trust_remote_code: self_evaluation.py

Fix imports for trust_remote_code: router.py

Fix imports for trust_remote_code: quality_head.py

Fix imports for trust_remote_code: mtp_loss.py

Fix imports for trust_remote_code: moe.py

Fix imports for trust_remote_code: modeling_aether_micro.py

Fix imports for trust_remote_code: layers.py

Fix imports for trust_remote_code: latent_thought.py

Fix imports for trust_remote_code: attention.py

Upload AETHER-Micro 0.5B Phase 1 checkpoint (Step 57000)

initial commit