Align ICCL canonical logbook with five anchored claims

Update logbook: Repro - Understanding Generalization and Forgetting in In-Context Continual Learning

Update logbook: Repro - Understanding Generalization and Forgetting in In-Context Continual Learning

Update logbook: Repro - Understanding Generalization and Forgetting in In-Context Continual Learning

Update logbook: Repro - Understanding Generalization and Forgetting in In-Context Continual Learning