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/compact/compact-basic/src/summarizer.ts

@@ -80,7 +80,7 @@ export interface SummarizationInput {
   readonly system?: string
   /** The conversation's tool schemas, reused for prefix-cache alignment; absent when the request carried none. */
   readonly tools?: readonly ToolSchema[]
-  /** The request prefix followed by the shadowed region, in surface order, that precedes the compaction instruction. */
+  /** The shadowed region, in surface order, that precedes the compaction instruction. */
   readonly messages: readonly Message[]
 }