Clicking a milestone on Runway now opens its real detail: scope + done %, a Monte
Carlo cone over the remaining open work, and the milestone's issues grouped by
lifecycle column. Threaded the gitea milestone id through the Runway row → AppShell
→ a milestoneView().
- backlog.ts: milestoneView(id, ...) → { name, due, scope/done, forecast cone +
range, groups by lifecycle column }. Reuses forecast + buildBurnUpData + lifecycle
inference. null for an unknown id → the screen shows the demo fixture.
- RunwayMilestone gains an `id`; runwayView sets it; RunwayScreen.onOpenMilestone(id).
- MilestoneScreen takes optional `data`; renders real header/stats/cone/issue-groups
when present, fixture otherwise.
Verified: desktop typecheck clean, 14 fixture e2e green. Live: clicking "P2 —
Scheduler + Monte Carlo" opens a real detail — 7 issues · est 20d, 0/7 done, cone
"80% Aug 17–26", issues in Triage/In-review from the real event stream (screenshot).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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