mine below as gh markdown so it can be pasted straight into the sprint issue if want
- Inbox ranking: default-sort experiment ran and model sort lost to control on actions, PRs started and top-10 opens, so ended it early. replacing it with a new recommended sort experiment (below)
- Inbox ranking: first prod nn run promoted and serving, xgboost retired #120687, 90-day lookback #120684, model sort out to everyone
- Inbox for agents: open/action/fix probs and lifts in the inbox mcp tools #123005, cleaned up and tightened the tool descriptions #126008, #126019, new prioritizing-my-inbox skill for a personal top n #125376 with a light nudge to it from the tool descriptions
- In