Widen the column from 700px to 960px

Render tool calls properly, follow the Hub's theme, fix the model link

Stop showing failed runs as in progress at 0%

Make it real: submit actual training jobs, read everything from the Hub

Move runs into the header, and stop losing finished ones

Hide unusable datasets; strip decoration throughout

Drop the landing page; make the previews read as what they are

Split model from training length, and surface runs in progress

Restyle to the ledger reference

Finetune Studio: no-code fine-tuning UI, fully mocked