fix(ai-judge): truncate advice widget with visible-width awareness

- delegate widget line truncation to pi-tui truncateToWidth so ANSI
  styling and double-width CJK reasons count visible cells only
- replace the code-point clamp that crashed the TUI when a Chinese
  reason rendered wider than the terminal
- add @earendil-works/pi-tui peer and dev dependencies
- cover CJK reasons at several terminal widths in tests

packages/pi-permission-ai-judge/package.json

@@ -31,11 +31,13 @@
   "peerDependencies": {
     "@earendil-works/pi-ai": "*",
     "@earendil-works/pi-coding-agent": "*",
+    "@earendil-works/pi-tui": "*",
     "@gotgenes/pi-permission-system": ">=32.0.0"
   },
   "devDependencies": {
     "@earendil-works/pi-ai": "^0.85.1",
     "@earendil-works/pi-coding-agent": "^0.85.1",
+    "@earendil-works/pi-tui": "^0.85.1",
     "@gotgenes/pi-permission-system": "^32.0.2",
     "@types/node": "^26.5.1",
     "@vitest/coverage-istanbul": "5.0.1",