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/bridge-runtime/src/lib.rs

@@ -6439,6 +6439,34 @@ fn legacy_block_projection_attrs(block: &Value, block_type: &str) -> Value {
             }
         }
     }
+    if block_type == "image" {
+        for key in ["src", "alt", "title"] {
+            if let Some(value) = props
+                .and_then(|map| map.get(key))
+                .and_then(Value::as_str)
+                .map(str::trim)
+                .filter(|value| !value.is_empty())
+            {
+                attrs.insert(key.into(), json!(value));
+            }
+        }
+        if let Some(tiptap_image) = props
+            .and_then(|map| map.get("tiptapImage"))
+            .filter(|value| value.get("type").and_then(Value::as_str) == Some("image"))
+            .cloned()
+        {
+            attrs.insert("tiptapImage".into(), tiptap_image);
+        }
+    }
+    if block_type == "table" {
+        if let Some(tiptap_table) = props
+            .and_then(|map| map.get("tiptapTable"))
+            .filter(|value| value.get("type").and_then(Value::as_str) == Some("table"))
+            .cloned()
+        {
+            attrs.insert("tiptapTable".into(), tiptap_table);
+        }
+    }
     Value::Object(attrs)
 }
 
@@ -13486,6 +13514,68 @@ mod tests {
         );
     }
 
+    #[test]
+    fn local_markdown_image_legacy_projection_exposes_image_attrs() {
+        let legacy = json!([{
+            "id": "local-block-2",
+            "type": "image",
+            "props": {
+                "src": "./Page.assets/photo.png",
+                "alt": "photo",
+                "title": "photo"
+            },
+            "content": [],
+            "children": []
+        }]);
+
+        let projection =
+            project_legacy_content_to_block_document("local-md:docs~2FPage.md", &legacy, &json!(0))
+                .expect("image block should project");
+        let block = &projection["blocks"][0];
+        assert_eq!(block["type"], json!("image"));
+        assert_eq!(block["attrs"]["src"], json!("./Page.assets/photo.png"));
+        assert_eq!(block["attrs"]["alt"], json!("photo"));
+        assert_eq!(block["attrs"]["title"], json!("photo"));
+    }
+
+    #[test]
+    fn local_markdown_table_legacy_projection_exposes_tiptap_table_attrs() {
+        let legacy = json!([{
+            "id": "local-block-3",
+            "type": "table",
+            "props": {
+                "tiptapTable": {
+                    "type": "table",
+                    "content": [{
+                        "type": "tableRow",
+                        "content": [{
+                            "type": "tableCell",
+                            "attrs": { "colspan": 1, "rowspan": 1, "colwidth": null },
+                            "content": [{
+                                "type": "paragraph",
+                                "content": [{ "type": "text", "text": "Provider 类别" }]
+                            }]
+                        }]
+                    }]
+                }
+            },
+            "content": [],
+            "children": []
+        }]);
+
+        let projection =
+            project_legacy_content_to_block_document("local-md:docs~2FPage.md", &legacy, &json!(0))
+                .expect("table block should project");
+        let block = &projection["blocks"][0];
+        assert_eq!(block["type"], json!("table"));
+        assert_eq!(block["attrs"]["tiptapTable"]["type"], json!("table"));
+        assert_eq!(
+            block["attrs"]["tiptapTable"]["content"][0]["content"][0]["content"][0]["content"][0]
+                ["text"],
+            json!("Provider 类别")
+        );
+    }
+
     #[test]
     fn legacy_content_from_editor_document_preserves_inline_link_styles() {
         let mut attrs = BTreeMap::new();