feat: synced blocks (transclusion) (#2163)

* feat: synced blocks (transclusion)

* fix:remove name

* make placeholders smaller

* feat: enforce strict transclusion schema

* fix: scope synced blocks to workspace, gate unsync on edit permission

* fix collab module error

apps/client/public/locales/en-US/translation.json

@@ -872,6 +872,10 @@
   "Search chats...": "Search chats...",
   "Search chats": "Search chats",
   "Ask anything... Use @ to mention pages": "Ask anything... Use @ to mention pages",
+  "Ask anything or search your workspace": "Ask anything or search your workspace",
+  "Welcome to {{name}}": "Welcome to {{name}}",
+  "Add files": "Add files",
+  "Mention a page": "Mention a page",
   "Start a new chat to see it here.": "Start a new chat to see it here.",
   "Summarize this page": "Summarize this page",
   "Toggle AI Chat": "Toggle AI Chat",
@@ -929,4 +933,18 @@
   "AI navigation": "AI navigation",
   "Breadcrumb": "Breadcrumb",
   "Skip to main content": "Skip to main content"
+  "Synced block": "Synced block",
+  "Create a block that stays in sync across pages.": "Create a block that stays in sync across pages.",
+  "Editing original": "Editing original",
+  "Copy synced block": "Copy synced block",
+  "Unsync": "Unsync",
+  "Delete synced block": "Delete synced block",
+  "Synced to {{count}} other page_one": "Synced to {{count}} other page",
+  "Synced to {{count}} other page_other": "Synced to {{count}} other pages",
+  "ORIGINAL": "ORIGINAL",
+  "THIS PAGE": "THIS PAGE",
+  "No pages": "No pages",
+  "The original synced block no longer exists": "The original synced block no longer exists",
+  "You don't have access to this synced block": "You don't have access to this synced block",
+  "Failed to load this synced block": "Failed to load this synced block"
 }