Merge remote-tracking branch 'github/master' into xtr/trajectory-inspection-ui

# Conflicts:
#	packages/client/ui-primitives/src/Menu.tsx
#	packages/client/ui-trajectory/src/client/TrajectoryCell.tsx
#	packages/client/ui-trajectory/src/client/TrajectoryView.tsx
#	packages/client/ui-trajectory/tests/layout.spec.tsx
#	pnpm-lock.yaml
#	pnpm-workspace.yaml

packages/client/runtime/src/client/sessions/conversation.ts

@@ -121,7 +121,6 @@ export interface ContextMessageNode {
   time: number
   content: readonly ContentBlock[]
   source: unknown
-  meta?: unknown
 }
 
 /** A tool result paired (when in-window) with its call head. */