fix: preserve plugin tool state.attachments in UI and materializer (#2367)

* preserve attachments in UI and materializer

* add support for non-image attachments

* preserve attachments in UI and materializer

* improve attachment rendering and state synchronization

* simplify attachment filtering and key handling

* prevent rendering tool attachments without URLs

* require `f.url` in `imageAttachments` to match gallery indices

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

@@ -2069,6 +2069,7 @@ export const dict = {
   'chat.toolPart.copiedOutput': 'Copied output',
   'chat.toolPart.copyOutputFailed': 'Failed to copy output',
   'chat.toolPart.openSubtask': 'Open {type} subtask',
+  'chat.toolPart.attachmentFallback': 'Attachment',
   'chat.todo.total': 'Total',
   'chat.todo.inProgress': 'In Progress',
   'chat.todo.pending': 'Pending',

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

@@ -2035,6 +2035,7 @@ export const dict: Record<I18nKey, string> = {
   "chat.toolPart.copiedOutput": "Salida copiada",
   "chat.toolPart.copyOutputFailed": "No se pudo copiar la salida",
   "chat.toolPart.openSubtask": "Abrir subtarea {type}",
+  "chat.toolPart.attachmentFallback": "Archivo adjunto",
   "chat.todo.total": "Total",
   "chat.todo.inProgress": "En progreso",
   "chat.todo.pending": "Pendiente",

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

@@ -1838,6 +1838,7 @@ export const dict = {
   'chat.toolPart.noOutputProduced': 'Aucune sortie produite',
   'chat.toolPart.output': 'Sortie',
   'chat.toolPart.openSubtask': 'Ouvrir la sous-tâche {type}',
+  'chat.toolPart.attachmentFallback': 'Pièce jointe',
   'chat.todo.total': 'Total',
   'chat.todo.inProgress': 'En cours',
   'chat.todo.pending': 'En attente',

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

@@ -2068,6 +2068,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.toolPart.copiedOutput': '出力をコピーしました',
   'chat.toolPart.copyOutputFailed': '出力のコピーに失敗しました',
   'chat.toolPart.openSubtask': '{type}サブタスクを開く',
+  'chat.toolPart.attachmentFallback': '添付ファイル',
   'chat.todo.total': '合計',
   'chat.todo.inProgress': '進行中',
   'chat.todo.pending': '保留中',

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

@@ -2069,6 +2069,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.toolPart.copiedOutput': '출력 복사됨',
   'chat.toolPart.copyOutputFailed': '출력을 복사하지 못했습니다',
   'chat.toolPart.openSubtask': '{type} 하위 작업 열기',
+  'chat.toolPart.attachmentFallback': '첨부 파일',
   'chat.todo.total': '전체',
   'chat.todo.inProgress': '진행 중',
   'chat.todo.pending': '대기 중',

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

@@ -1338,6 +1338,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.toolPart.moreErrors': '+{count} kolejnych błędów',
   'chat.toolPart.noOutputProduced': 'Brak wygenerowanego wyniku',
   'chat.toolPart.openSubtask': 'Otwórz podzadanie typu {type}',
+  'chat.toolPart.attachmentFallback': 'Załącznik',
   'chat.toolPart.output': 'Wyjście',
   'chat.toolPart.showRawJson': 'Pokaż surowy JSON',
   'chat.toolPart.showFormattedJson': 'Pokaż sformatowany JSON',

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

@@ -2035,6 +2035,7 @@ export const dict: Record<I18nKey, string> = {
   "chat.toolPart.copiedOutput": "Saída copiada",
   "chat.toolPart.copyOutputFailed": "Falha ao copiar saída",
   "chat.toolPart.openSubtask": "Abrir subtarefa {type}",
+  "chat.toolPart.attachmentFallback": "Anexo",
   "chat.todo.total": "Total",
   "chat.todo.inProgress": "Em andamento",
   "chat.todo.pending": "Pendente",

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

@@ -2035,6 +2035,7 @@ export const dict: Record<I18nKey, string> = {
   "chat.toolPart.copiedOutput": "Вивід скопійовано",
   "chat.toolPart.copyOutputFailed": "Не вдалося скопіювати вивід",
   "chat.toolPart.openSubtask": "Відкрити підзавдання {type}",
+  "chat.toolPart.attachmentFallback": "Вкладення",
   "chat.todo.total": "Усього",
   "chat.todo.inProgress": "В роботі",
   "chat.todo.pending": "В очікуванні",

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

@@ -2035,6 +2035,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.toolPart.copiedOutput': '已复制输出',
   'chat.toolPart.copyOutputFailed': '复制输出失败',
   'chat.toolPart.openSubtask': '打开{type}子任务',
+  'chat.toolPart.attachmentFallback': '附件',
   'chat.todo.total': '总计',
   'chat.todo.inProgress': '进行中',
   'chat.todo.pending': '待处理',

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

@@ -2039,6 +2039,7 @@ export const dict: Record<I18nKey, string> = {
   'chat.toolPart.copiedOutput': '已複製輸出',
   'chat.toolPart.copyOutputFailed': '複製輸出失敗',
   'chat.toolPart.openSubtask': '開啟{type}子任務',
+  'chat.toolPart.attachmentFallback': '附件',
   'chat.todo.total': '總計',
   'chat.todo.inProgress': '進行中',
   'chat.todo.pending': '待處理',