feat(app-expo): show memoir chapter draft progress on list cards

Explain invite vs. generating state using MemoirState slots, surface remaining
characters to the display gate, refresh memoir-state on pull, and sync i18n.

Co-authored-by: Cursor <cursoragent@cursor.com>

app-expo/src/i18n/generated/resources.ts

@@ -150,6 +150,9 @@ interface Resources {
       "settings": "Settings",
       "typography": "Typography"
     },
+    "draftingGenerating": "Writing your memoir…",
+    "draftingInviteChat": "Chat about this chapter to get started",
+    "draftingWordsRemaining": "{{count}} characters to go",
     "emptySubtitle": "Chat with your companion to record your stories",
     "emptyTitle": "No memoir yet",
     "frameworkChapters": {

app-expo/src/i18n/locales/en/memoir.json

@@ -40,5 +40,8 @@
   "statusDrafting": "Drafting",
   "statusLocked": "Locked",
   "statusPending": "Pending",
+  "draftingInviteChat": "Chat about this chapter to get started",
+  "draftingGenerating": "Writing your memoir…",
+  "draftingWordsRemaining": "{{count}} characters to go",
   "wordsCount": "{{count}} words"
 }

app-expo/src/i18n/locales/zh/memoir.json

@@ -40,5 +40,8 @@
   "statusDrafting": "撰写中",
   "statusLocked": "已锁定",
   "statusPending": "待解锁",
+  "draftingInviteChat": "聊聊这部分内容吧",
+  "draftingGenerating": "正在生成回忆录…",
+  "draftingWordsRemaining": "还差 {{count}} 字",
   "wordsCount": "{{count}} 字"
 }