feat: surface session goal evaluation model and add diagnostics

Shows the evaluation provider/model used for the latest successful goal audit in the UI.
Persists evaluation model metadata on session goals and covers it in tests.
Adds diagnostic logging for small-model calls and session-goal audit parsing.

packages/ui/src/lib/i18n/messages/en.ts

@@ -1416,6 +1416,7 @@ export const dict = {
   'chat.goal.dialog.objectiveLabel': 'Objective',
   'chat.goal.dialog.objectivePlaceholder': 'Describe the end state the agent should reach and verify…',
   'chat.goal.dialog.budgetLabel': 'Token budget',
+  'chat.goal.dialog.evaluationModelLabel': 'Evaluation model',
   'chat.goal.status.active': 'Active',
   'chat.goal.status.evaluating': 'Evaluating…',
   'chat.goal.status.paused': 'Paused',

packages/ui/src/lib/i18n/messages/es.ts

@@ -1394,6 +1394,7 @@ export const dict: Record<I18nKey, string> = {
   "chat.goal.dialog.objectiveLabel": "Objetivo",
   "chat.goal.dialog.objectivePlaceholder": "Describe el estado final que el agente debe alcanzar y verificar…",
   "chat.goal.dialog.budgetLabel": "Presupuesto de tokens",
+  "chat.goal.dialog.evaluationModelLabel": "Modelo de evaluación",
   "chat.goal.status.active": "Activo",
   "chat.goal.status.evaluating": "Evaluando…",
   "chat.goal.status.paused": "En pausa",

packages/ui/src/lib/i18n/messages/fr.ts

@@ -1236,6 +1236,7 @@ export const dict = {
   'chat.goal.dialog.objectiveLabel': 'Objectif',
   'chat.goal.dialog.objectivePlaceholder': 'Décrivez l\'état final que l\'agent doit atteindre et vérifier…',
   'chat.goal.dialog.budgetLabel': 'Budget de tokens',
+  'chat.goal.dialog.evaluationModelLabel': 'Modèle d’évaluation',
   'chat.goal.status.active': 'Actif',
   'chat.goal.status.evaluating': 'Évaluation…',
   'chat.goal.status.paused': 'En pause',

packages/ui/src/lib/i18n/messages/ja.ts

@@ -1412,6 +1412,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.goal.dialog.objectiveLabel': '目標',
   'chat.goal.dialog.objectivePlaceholder': 'エージェントが到達して検証すべき最終状態を記述してください…',
   'chat.goal.dialog.budgetLabel': 'トークン予算',
+  'chat.goal.dialog.evaluationModelLabel': '評価モデル',
   'chat.goal.status.active': '進行中',
   'chat.goal.status.evaluating': '評価中…',
   'chat.goal.status.paused': '一時停止',

packages/ui/src/lib/i18n/messages/ko.ts

@@ -1418,6 +1418,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.goal.dialog.objectiveLabel': '목표',
   'chat.goal.dialog.objectivePlaceholder': '에이전트가 도달하고 검증해야 할 최종 상태를 설명하세요…',
   'chat.goal.dialog.budgetLabel': '토큰 예산',
+  'chat.goal.dialog.evaluationModelLabel': '평가 모델',
   'chat.goal.status.active': '진행 중',
   'chat.goal.status.evaluating': '평가 중…',
   'chat.goal.status.paused': '일시 중지됨',

packages/ui/src/lib/i18n/messages/pl.ts

@@ -2104,6 +2104,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.goal.dialog.objectiveLabel': 'Cel',
   'chat.goal.dialog.objectivePlaceholder': 'Opisz stan końcowy, który agent ma osiągnąć i zweryfikować…',
   'chat.goal.dialog.budgetLabel': 'Budżet tokenów',
+  'chat.goal.dialog.evaluationModelLabel': 'Model oceniający',
   'chat.goal.status.active': 'Aktywny',
   'chat.goal.status.evaluating': 'Ocenianie…',
   'chat.goal.status.paused': 'Wstrzymany',

packages/ui/src/lib/i18n/messages/pt-BR.ts

@@ -1394,6 +1394,7 @@ export const dict: Record<I18nKey, string> = {
   "chat.goal.dialog.objectiveLabel": "Objetivo",
   "chat.goal.dialog.objectivePlaceholder": "Descreva o estado final que o agente deve alcançar e verificar…",
   "chat.goal.dialog.budgetLabel": "Orçamento de tokens",
+  "chat.goal.dialog.evaluationModelLabel": "Modelo de avaliação",
   "chat.goal.status.active": "Ativo",
   "chat.goal.status.evaluating": "Avaliando…",
   "chat.goal.status.paused": "Pausado",

packages/ui/src/lib/i18n/messages/uk.ts

@@ -1394,6 +1394,7 @@ export const dict: Record<I18nKey, string> = {
   "chat.goal.dialog.objectiveLabel": "Ціль",
   "chat.goal.dialog.objectivePlaceholder": "Опишіть кінцевий стан, якого агент має досягти та перевірити…",
   "chat.goal.dialog.budgetLabel": "Бюджет токенів",
+  "chat.goal.dialog.evaluationModelLabel": "Модель оцінювання",
   "chat.goal.status.active": "Активна",
   "chat.goal.status.evaluating": "Оцінювання…",
   "chat.goal.status.paused": "Призупинена",

packages/ui/src/lib/i18n/messages/zh-CN.ts

@@ -1382,6 +1382,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.goal.dialog.objectiveLabel': '目标',
   'chat.goal.dialog.objectivePlaceholder': '描述代理应达到并验证的最终状态…',
   'chat.goal.dialog.budgetLabel': '令牌预算',
+  'chat.goal.dialog.evaluationModelLabel': '评估模型',
   'chat.goal.status.active': '进行中',
   'chat.goal.status.evaluating': '评估中…',
   'chat.goal.status.paused': '已暂停',

packages/ui/src/lib/i18n/messages/zh-TW.ts

@@ -1386,6 +1386,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.goal.dialog.objectiveLabel': '目標',
   'chat.goal.dialog.objectivePlaceholder': '描述代理應達成並驗證的最終狀態…',
   'chat.goal.dialog.budgetLabel': '權杖預算',
+  'chat.goal.dialog.evaluationModelLabel': '評估模型',
   'chat.goal.status.active': '進行中',
   'chat.goal.status.evaluating': '評估中…',
   'chat.goal.status.paused': '已暫停',