fix: stabilize local folder AI document workflow

- scope local-folder PageTree revision and document sidebar rendering to fileTreeScope

- preserve projected table/image attrs for local Markdown aggregate fallback

- avoid FileTree restore forced layouts on cold design open

- add API ChatOnly provider runtime and local OCR task handling regressions

rust/crates/mnote-web/src/lib.rs

@@ -5,6 +5,7 @@ pub mod acp_client;
 pub mod acp_runtime;
 pub mod acp_session_manager;
 pub mod acp_types;
+pub mod api_chat;
 pub mod app;
 pub mod context;
 pub mod document_buffer_store;