mini migrate to v2 (#35526)

packages/cli/src/mini/footer.width.ts

@@ -0,0 +1,27 @@
+// Shared responsive width policy
+
+const FOOTER_WIDTH_BREAKPOINTS = {
+  compact: 80,
+  commandHint: 66,
+  model: 120,
+  spacious: 150,
+} as const
+
+export function footerWidthPolicy(width: number) {
+  const compact = width >= FOOTER_WIDTH_BREAKPOINTS.compact
+  const model = width >= FOOTER_WIDTH_BREAKPOINTS.model
+  const spacious = width >= FOOTER_WIDTH_BREAKPOINTS.spacious
+
+  return {
+    dialog: {
+      narrow: !compact,
+    },
+    statusline: {
+      showActivityMeta: compact,
+      showCommandHint: width >= FOOTER_WIDTH_BREAKPOINTS.commandHint,
+      showContextHints: compact,
+      contextHintLimit: !compact ? 0 : spacious ? undefined : model ? 2 : 1,
+      showModel: model,
+    },
+  }
+}