收口 MNote P0 P1 P2 审查尾项

- 归档 OnlyOffice live bridge、Page AI、mindmap、design governance 与相关 bug 条目
- 补齐 MinerU OCR 后端 runtime 合同与 smoke/test 基线
- 收口 ChatOnly/Doubao、ObjectIdentity、Page Aggregate compat 与 runtime owner 文档口径

验证：
- cargo test --manifest-path rust/Cargo.toml -p mnote-web local_ocr -- --test-threads=1
- cargo test --manifest-path rust/Cargo.toml -p mnote-web onlyoffice_bridge -- --test-threads=1
- git diff --check
- git diff --cached --check
- codegraph index . --force && codegraph status .
- codegraph sync . && codegraph status .

rust/crates/bridge-runtime/src/lib.rs

@@ -202,6 +202,10 @@ fn legacy_command_function_name(name: &str) -> BridgeResult<&'static str> {
             Ok("documents:updateContent")
         }
         "mindmaps.put" => Ok("mindmaps:put"),
+        "tree.resource.archive" => Ok("treeResource:archive"),
+        "tree.resource.restore" => Ok("treeResource:restore"),
+        "tree.resource.purge" => Ok("treeResource:purge"),
+        "tree.resource.rename" => Ok("treeResource:rename"),
         _ => Err(retired_bridge_error()),
     }
 }
@@ -6416,6 +6420,25 @@ fn legacy_block_projection_attrs(block: &Value, block_type: &str) -> Value {
             attrs.insert("language".into(), json!(language));
         }
     }
+    if block_type == "mindmap" {
+        for (raw_key, canonical_key) in [
+            ("mindmapId", "mindmapId"),
+            ("mindmap_id", "mindmapId"),
+            ("sourcePath", "sourcePath"),
+            ("source_path", "sourcePath"),
+            ("rootNodeId", "rootNodeId"),
+            ("root_node_id", "rootNodeId"),
+        ] {
+            if let Some(value) = props
+                .and_then(|map| map.get(raw_key))
+                .and_then(Value::as_str)
+                .map(str::trim)
+                .filter(|value| !value.is_empty())
+            {
+                attrs.insert(canonical_key.into(), json!(value));
+            }
+        }
+    }
     Value::Object(attrs)
 }
 
@@ -13086,6 +13109,50 @@ mod tests {
         );
     }
 
+    #[test]
+    fn page_aggregate_block_document_preserves_mindmap_projection_attrs() {
+        let result = execute_runtime_query(RuntimeInput::Query {
+            context: demo_context(),
+            query: RuntimeQueryEnvelopeWire {
+                name: "page.aggregate.get".into(),
+                payload: json!({
+                    "documentId": "doc_mindmap",
+                    "workspaceId": "ws_1",
+                }),
+            },
+            data: Some(json!({
+                "meta": {
+                    "id": "doc_mindmap",
+                    "workspace_id": "ws_1",
+                    "title": "Mindmap Page"
+                },
+                "content": {
+                    "content": [
+                        {
+                            "id": "local-block-1",
+                            "type": "mindmap",
+                            "props": {
+                                "mindmapId": "mindmap-123456.json",
+                                "sourcePath": "mindmap-123456.json",
+                                "rootNodeId": "root"
+                            },
+                            "content": []
+                        }
+                    ],
+                    "revision": 3,
+                    "conflict_detection_key": "doc_mindmap:3"
+                }
+            })),
+        })
+        .expect("page aggregate query should build");
+
+        let block = &result["body"]["blockDocument"]["blocks"][0];
+        assert_eq!(block["type"], json!("mindmap"));
+        assert_eq!(block["attrs"]["mindmapId"], json!("mindmap-123456.json"));
+        assert_eq!(block["attrs"]["sourcePath"], json!("mindmap-123456.json"));
+        assert_eq!(block["attrs"]["rootNodeId"], json!("root"));
+    }
+
     #[test]
     fn page_aggregate_get_prefers_editor_document_over_legacy_content() {
         let result = execute_runtime_query(RuntimeInput::Query {