diff --git a/rust/spikes/leptos-tiptap-spike/generated/island/mnote-leptos-tiptap-spike-island.js b/rust/spikes/leptos-tiptap-spike/generated/island/mnote-leptos-tiptap-spike-island.js
index 2ea52871..fb0616b2 100644
--- a/rust/spikes/leptos-tiptap-spike/generated/island/mnote-leptos-tiptap-spike-island.js
+++ b/rust/spikes/leptos-tiptap-spike/generated/island/mnote-leptos-tiptap-spike-island.js
@@ -314,10 +314,6 @@ function __wbg_get_imports() {
             const ret = arg0.anchorNode;
             return isLikeNone(ret) ? 0 : addToExternrefTable0(ret);
         },
-        __wbg_appendChild_e95c8b3b936d250a: function() { return handleError(function (arg0, arg1) {
-            const ret = arg0.appendChild(arg1);
-            return ret;
-        }, arguments); },
         __wbg_assign_d4fed0f8abb71719: function() { return handleError(function (arg0, arg1, arg2) {
             arg0.assign(getStringFromWasm0(arg1, arg2));
         }, arguments); },
@@ -608,13 +604,6 @@ function __wbg_get_imports() {
         __wbg_init_bridge_runtime_777169bfaa015be2: function() { return handleError(function () {
             init_bridge_runtime();
         }, arguments); },
-        __wbg_innerHTML_df4703c8599a85c4: function(arg0, arg1) {
-            const ret = arg1.innerHTML;
-            const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
-            const len1 = WASM_VECTOR_LEN;
-            getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
-            getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
-        },
         __wbg_innerHeight_72e7bb88c4b9ede8: function() { return handleError(function (arg0) {
             const ret = arg0.innerHeight;
             return ret;
@@ -1029,10 +1018,6 @@ function __wbg_get_imports() {
         __wbg_removeAttribute_c75ac657c944b3f1: function() { return handleError(function (arg0, arg1, arg2) {
             arg0.removeAttribute(getStringFromWasm0(arg1, arg2));
         }, arguments); },
-        __wbg_removeChild_172df530ec85cc8a: function() { return handleError(function (arg0, arg1) {
-            const ret = arg0.removeChild(arg1);
-            return ret;
-        }, arguments); },
         __wbg_removeEventListener_0069d57d090a1674: function() { return handleError(function (arg0, arg1, arg2, arg3, arg4) {
             arg0.removeEventListener(getStringFromWasm0(arg1, arg2), arg3, arg4 !== 0);
         }, arguments); },
@@ -1259,47 +1244,47 @@ function __wbg_get_imports() {
             }
         }, arguments); },
         __wbindgen_cast_0000000000000001: function(arg0, arg1) {
-            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [Externref], shim_idx: 1145, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
+            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [Externref], shim_idx: 1144, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
             const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h396914cf76a9e7a5);
             return ret;
         },
         __wbindgen_cast_0000000000000002: function(arg0, arg1) {
-            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [Externref], shim_idx: 1197, ret: Result(Unit), inner_ret: Some(Result(Unit)) }, mutable: true }) -> Externref`.
+            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [Externref], shim_idx: 1196, ret: Result(Unit), inner_ret: Some(Result(Unit)) }, mutable: true }) -> Externref`.
             const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h3a3182d847094e12);
             return ret;
         },
         __wbindgen_cast_0000000000000003: function(arg0, arg1) {
-            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [Externref], shim_idx: 973, ret: Unit, inner_ret: Some(Unit) }, mutable: false }) -> Externref`.
+            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [Externref], shim_idx: 972, ret: Unit, inner_ret: Some(Unit) }, mutable: false }) -> Externref`.
             const ret = makeClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__had771ddc65647798);
             return ret;
         },
         __wbindgen_cast_0000000000000004: function(arg0, arg1) {
-            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("Event")], shim_idx: 1095, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
+            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("Event")], shim_idx: 1094, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
             const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h0abd2b2fe4652e2a);
             return ret;
         },
         __wbindgen_cast_0000000000000005: function(arg0, arg1) {
-            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("Event")], shim_idx: 1145, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
+            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("Event")], shim_idx: 1144, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
             const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h396914cf76a9e7a5_4);
             return ret;
         },
         __wbindgen_cast_0000000000000006: function(arg0, arg1) {
-            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("KeyboardEvent")], shim_idx: 294, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
+            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [NamedExternref("KeyboardEvent")], shim_idx: 598, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
             const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__hd90af689bc3e71bf);
             return ret;
         },
         __wbindgen_cast_0000000000000007: function(arg0, arg1) {
-            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [], shim_idx: 1097, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
+            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [], shim_idx: 1096, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
             const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h794babeffd4f821f);
             return ret;
         },
         __wbindgen_cast_0000000000000008: function(arg0, arg1) {
-            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [], shim_idx: 1112, ret: Unit, inner_ret: Some(Unit) }, mutable: false }) -> Externref`.
+            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [], shim_idx: 1111, ret: Unit, inner_ret: Some(Unit) }, mutable: false }) -> Externref`.
             const ret = makeClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h2b648e7ac8ec1fb5);
             return ret;
         },
         __wbindgen_cast_0000000000000009: function(arg0, arg1) {
-            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [], shim_idx: 1148, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
+            // Cast intrinsic for `Closure(Closure { owned: true, function: Function { arguments: [], shim_idx: 1147, ret: Unit, inner_ret: Some(Unit) }, mutable: true }) -> Externref`.
             const ret = makeMutClosure(arg0, arg1, wasm_bindgen__convert__closures_____invoke__h0b7fb40a8610550c);
             return ret;
         },
diff --git a/rust/spikes/leptos-tiptap-spike/generated/island/mnote-leptos-tiptap-spike-island_bg.wasm b/rust/spikes/leptos-tiptap-spike/generated/island/mnote-leptos-tiptap-spike-island_bg.wasm
index fc7075fd..572ae85d 100644
Binary files a/rust/spikes/leptos-tiptap-spike/generated/island/mnote-leptos-tiptap-spike-island_bg.wasm and b/rust/spikes/leptos-tiptap-spike/generated/island/mnote-leptos-tiptap-spike-island_bg.wasm differ
diff --git a/rust/spikes/leptos-tiptap-spike/src/editor_runtime/block_menu_legacy_html.rs b/rust/spikes/leptos-tiptap-spike/src/editor_runtime/block_menu_legacy_html.rs
deleted file mode 100644
index a8a71706..00000000
--- a/rust/spikes/leptos-tiptap-spike/src/editor_runtime/block_menu_legacy_html.rs
+++ /dev/null
@@ -1,120 +0,0 @@
-//! 基于 HTML 字符串的 block menu legacy helper。
-//!
-//! 这些函数通过浏览器 DOM API 操作编辑器完整 HTML 字符串：
-//! `window.document.createElement("div") + innerHTML 解析 -> DOM 修改 ->
-//! innerHTML 回读`。这是 history-safe Tiptap command 之前的过渡路径，
-//! 新代码应优先使用 command-based mutation，不要继续扩展整文 HTML 替换。
-//!
-//! # History 风险
-//!
-//! HTML 字符串往返会丢失 ProseMirror 内部状态，包括 marks、decorations、
-//! selection 和 undo history。调用方随后必须通过 `apply_html_update` 用原始
-//! HTML 重置编辑器，因此也会破坏撤销历史。本模块只用于隔离待替换的 legacy
-//! helper。
-
-use wasm_bindgen::JsCast;
-use web_sys::{window, Element};
-
-use crate::editor_runtime::block_hover_state::DropPlacement;
-
-/// 复制第 `index` 个顶层 HTML 块并插入其后。
-///
-/// 纯 DOM 操作：解析 `current_html` 为 `<div>` 子元素，克隆目标块，
-/// 插入到下一个同级节点前（或末尾），返回序列化 HTML。
-pub(crate) fn duplicate_top_level_block_html(
-    current_html: &str,
-    index: usize,
-) -> Result<String, String> {
-    let document = window()
-        .and_then(|win| win.document())
-        .ok_or_else(|| "浏览器 document 不可用".to_string())?;
-    let container = document
-        .create_element("div")
-        .map_err(|err| format!("创建 HTML 容器失败：{err:?}"))?;
-    container.set_inner_html(current_html);
-
-    let children = container.children();
-    let current = children
-        .item(index as u32)
-        .ok_or_else(|| format!("找不到第 {index} 个 HTML 顶层块"))?;
-    let cloned = current
-        .clone_node_with_deep(true)
-        .map_err(|err| format!("复制 HTML 块失败：{err:?}"))?
-        .dyn_into::<Element>()
-        .map_err(|_| "复制出的节点不是 Element".to_string())?;
-
-    if let Some(next_sibling) = children.item(index as u32 + 1) {
-        container
-            .insert_before(&cloned, Some(&next_sibling))
-            .map_err(|err| format!("插入复制块失败：{err:?}"))?;
-    } else {
-        container
-            .append_child(&cloned)
-            .map_err(|err| format!("追加复制块失败：{err:?}"))?;
-    }
-
-    Ok(container.inner_html())
-}
-
-/// 在 HTML 层将第 `source` 个顶层块移动到第 `target` 个块的前/后。
-///
-/// 纯 DOM 操作：解析 `current_html`，克隆拖拽块，移除原始块，
-/// 在调整后的位置插入克隆，返回序列化 HTML。
-pub(crate) fn reorder_top_level_block_html(
-    current_html: &str,
-    source: usize,
-    target: usize,
-    placement: DropPlacement,
-) -> Result<String, String> {
-    let document = window()
-        .and_then(|win| win.document())
-        .ok_or_else(|| "浏览器 document 不可用".to_string())?;
-    let container = document
-        .create_element("div")
-        .map_err(|err| format!("创建 HTML 容器失败：{err:?}"))?;
-    container.set_inner_html(current_html);
-
-    let initial_children = container.children();
-    let block_count = initial_children.length() as usize;
-    if source >= block_count || target >= block_count {
-        return Err("拖拽目标超出当前顶层块范围".to_string());
-    }
-
-    let current = initial_children
-        .item(source as u32)
-        .ok_or_else(|| format!("找不到第 {source} 个 HTML 顶层块"))?;
-    let moving = current
-        .clone_node_with_deep(true)
-        .map_err(|err| format!("复制拖拽块失败：{err:?}"))?
-        .dyn_into::<Element>()
-        .map_err(|_| "复制出的拖拽块不是 Element".to_string())?;
-
-    container
-        .remove_child(&current)
-        .map_err(|err| format!("移除原始拖拽块失败：{err:?}"))?;
-
-    let mut insert_at = match placement {
-        DropPlacement::Before => target,
-        DropPlacement::After => target + 1,
-    };
-    if source < insert_at {
-        insert_at = insert_at.saturating_sub(1);
-    }
-
-    let current_children = container.children();
-    let current_len = current_children.length() as usize;
-    if insert_at >= current_len {
-        container
-            .append_child(&moving)
-            .map_err(|err| format!("追加拖拽块失败：{err:?}"))?;
-    } else {
-        let next_sibling = current_children
-            .item(insert_at as u32)
-            .ok_or_else(|| format!("找不到第 {insert_at} 个 HTML 插入位置"))?;
-        container
-            .insert_before(&moving, Some(&next_sibling))
-            .map_err(|err| format!("插入拖拽块失败：{err:?}"))?;
-    }
-
-    Ok(container.inner_html())
-}
diff --git a/rust/spikes/leptos-tiptap-spike/src/editor_runtime/history_safe_commands.rs b/rust/spikes/leptos-tiptap-spike/src/editor_runtime/history_safe_commands.rs
index 324f0e19..8a8f76b7 100644
--- a/rust/spikes/leptos-tiptap-spike/src/editor_runtime/history_safe_commands.rs
+++ b/rust/spikes/leptos-tiptap-spike/src/editor_runtime/history_safe_commands.rs
@@ -122,7 +122,6 @@ pub(crate) fn move_top_level_block_with_history(
     target_index: usize,
     placement: DropPlacement,
 ) -> Result<(), String> {
-    // 读取并克隆源块内容
     let document = editor
         .get_json()
         .map_err(|err| format!("读取当前 JSON 失败：{err}"))?;
@@ -135,32 +134,47 @@ pub(crate) fn move_top_level_block_with_history(
     }
     let source_block = content[source_index].clone();
 
-    // 删除源块
+    let mut insert_at = match placement {
+        DropPlacement::Before => target_index,
+        DropPlacement::After => target_index + 1,
+    };
+    if source_index < insert_at {
+        insert_at = insert_at.saturating_sub(1);
+    }
+
+    if insert_at == source_index {
+        return editor
+            .focus()
+            .map_err(|err| format!("聚焦编辑器失败：{err}"));
+    }
+
     delete_top_level_block_with_history(editor, source_index)?;
 
-    // 重新计算目标位置（删除后索引可能偏移）
-    let adjusted_target =
-        if source_index < target_index {
-            target_index - 1
-        } else {
-            target_index
-        };
     let document = editor
         .get_json()
         .map_err(|err| format!("重新读取 JSON 失败：{err}"))?;
-    let range = top_level_block_full_range(&document, adjusted_target)
-        .ok_or_else(|| format!("无法计算第 {adjusted_target} 个块的插入位置"))?;
-
-    let insert_at = match placement {
-        DropPlacement::Before => range.from,
-        DropPlacement::After => range.to,
+    let content_len_after_move = document
+        .get("content")
+        .and_then(Value::as_array)
+        .map(Vec::len)
+        .unwrap_or(0);
+    let insert_position = if content_len_after_move == 0 {
+        0
+    } else if insert_at >= content_len_after_move {
+        top_level_block_full_range(&document, content_len_after_move - 1)
+            .map(|range| range.to)
+            .ok_or_else(|| "无法计算文档末尾插入位置".to_string())?
+    } else {
+        top_level_block_full_range(&document, insert_at)
+            .map(|range| range.from)
+            .ok_or_else(|| format!("无法计算第 {insert_at} 个块的插入位置"))?
     };
 
     editor
         .insert_content_at(
             TiptapRange {
-                from: insert_at,
-                to: insert_at,
+                from: insert_position,
+                to: insert_position,
             },
             TiptapContent::json(source_block),
             Some(TiptapInsertContentOptions {
diff --git a/rust/spikes/leptos-tiptap-spike/src/editor_runtime/mindmap_node_view.rs b/rust/spikes/leptos-tiptap-spike/src/editor_runtime/mindmap_node_view.rs
index 40a49200..537aac6a 100644
--- a/rust/spikes/leptos-tiptap-spike/src/editor_runtime/mindmap_node_view.rs
+++ b/rust/spikes/leptos-tiptap-spike/src/editor_runtime/mindmap_node_view.rs
@@ -11,7 +11,7 @@
 
 use leptos::prelude::*;
 use leptos::ev;
-use leptos::mount::{mount_to, UnmountHandle};
+use leptos::mount::mount_to;
 use serde::{Deserialize, Serialize};
 use serde_json::{json, Value};
 use serde_wasm_bindgen;
diff --git a/rust/spikes/leptos-tiptap-spike/src/editor_runtime/mod.rs b/rust/spikes/leptos-tiptap-spike/src/editor_runtime/mod.rs
index 181ea406..2e5d48ce 100644
--- a/rust/spikes/leptos-tiptap-spike/src/editor_runtime/mod.rs
+++ b/rust/spikes/leptos-tiptap-spike/src/editor_runtime/mod.rs
@@ -4,12 +4,13 @@ pub(crate) mod block_dnd;
 pub(crate) mod block_hover_state;
 pub(crate) mod block_menu_document;
 pub(crate) mod block_menu_overlay;
-pub(crate) mod block_menu_legacy_html;
+pub(crate) mod bridge_events;
 pub(crate) mod command_sync;
 pub(crate) mod content_layout;
 pub(crate) mod dom_events;
 pub(crate) mod dom_selection;
 pub(crate) mod editor_focus;
 pub(crate) mod history_safe_commands;
+pub(crate) mod mindmap_node_view;
 pub(crate) mod overlays;
 pub(crate) mod persistence;
diff --git a/rust/spikes/leptos-tiptap-spike/src/lib.rs b/rust/spikes/leptos-tiptap-spike/src/lib.rs
index da71f33a..f28ecb2b 100644
--- a/rust/spikes/leptos-tiptap-spike/src/lib.rs
+++ b/rust/spikes/leptos-tiptap-spike/src/lib.rs
@@ -17,7 +17,7 @@ use wasm_bindgen::{closure::Closure, prelude::*, JsCast, JsValue};
 use wasm_bindgen_futures::{spawn_local, JsFuture};
 use web_sys::{
     window, CustomEvent, CustomEventInit, DragEvent, Element, Event, EventTarget, HtmlElement,
-    HtmlInputElement, MouseEvent, Node, RequestInit, RequestMode, Response, WheelEvent,
+    MouseEvent, Node, RequestInit, RequestMode, Response, WheelEvent,
 };
 
 use editor_runtime::attachment_upload::dispatch_editor_upload_request;
@@ -31,12 +31,16 @@ use editor_runtime::block_menu_overlay;
 use editor_runtime::block_menu_document::{
     collect_plain_text, mindmap_paragraph_node, paragraph_node,
 };
-use editor_runtime::block_menu_legacy_html::{
-    duplicate_top_level_block_html, reorder_top_level_block_html,
-};
 use editor_runtime::block_hover_state::{
     BlockMenuLayout, DropIndicatorState, HoveredBlockState, PendingDragState,
 };
+use editor_runtime::bridge_events::{
+    BridgeEnvelope, BridgeSelectorsPayload, ChangeMetaPayload, ChangePayload, HeightPayload,
+    HostCommandEnvelope, HostCommandPayload, HostStatusPayload, ReadyPayload, RuntimePageOptions,
+    StatePayload, BLOCK_DELTA_EVENT, CHANGE_EVENT, COMMAND_EVENT, EVENT_PREFIX, HEIGHT_EVENT,
+    PROTOCOL, READY_EVENT, RUNTIME_NAME, RUNTIME_VERSION, SELECTION_EVENT, STATE_EVENT,
+    STATUS_EVENT,
+};
 use editor_runtime::command_sync::{
     read_editor_snapshot, sync_editor_outputs, sync_persisted_editor_command,
 };
@@ -49,6 +53,9 @@ use editor_runtime::dom_selection::{
     selection_payload, selection_summary, SelectionPayload,
 };
 use editor_runtime::editor_focus::{active_editor_stage, body_has_focus, schedule_editor_focus};
+use editor_runtime::mindmap_node_view::{
+    mount_mindmap_shell_impl, unmount_mindmap_shell_impl,
+};
 use editor_runtime::overlays::{
     clamp_overlay_anchor,
     close_editor_floating_overlays_if_escape, current_table_overlay_anchor,
@@ -74,23 +81,6 @@ const HANDLE_TRIGGER_WIDTH: f64 = 22.0;
 const HANDLE_TRIGGER_GAP: f64 = 4.0;
 const HANDLE_MENU_GAP: f64 = 0.0;
 const HANDLE_TEXT_ALIGN_OFFSET: f64 = 96.0;
-const RUNTIME_NAME: &str = "8123-leptos-tiptap-runtime";
-const RUNTIME_VERSION: &str = "1.1.0";
-const PROTOCOL: &str = "mnote.leptos_tiptap.bridge.v1";
-const EVENT_PREFIX: &str = "mnote:leptos-tiptap-spike";
-const READY_EVENT: &str = "mnote:leptos-tiptap-spike:ready";
-const CHANGE_EVENT: &str = "mnote:leptos-tiptap-spike:change";
-const STATE_EVENT: &str = "mnote:leptos-tiptap-spike:state";
-const STATUS_EVENT: &str = "mnote:leptos-tiptap-spike:status";
-const SELECTION_EVENT: &str = "mnote:leptos-tiptap-spike:selection";
-const COMMAND_EVENT: &str = "mnote:leptos-tiptap-spike:command";
-const BLOCK_DELTA_EVENT: &str = "mnote:editor:block-delta";
-const HEIGHT_EVENT: &str = "mnote:leptos-tiptap-spike:height";
-const MINDMAP_SHELL_ACTION_EVENT: &str = "mnote:mindmap-shell:action";
-const MINDMAP_SHELL_PANEL_EVENT: &str = "mnote:mindmap-shell:panel";
-const MINDMAP_SHELL_MINIMAP_EVENT: &str = "mnote:mindmap-shell:minimap";
-const MINDMAP_SHELL_ZOOM_EVENT: &str = "mnote:mindmap-shell:zoom";
-const MINDMAP_SHELL_TOOLBAR_OVERFLOW_EVENT: &str = "mnote:mindmap-shell:toolbar-overflow";
 mod editor_runtime;
 
 #[wasm_bindgen(inline_js = r#"
@@ -3032,141 +3022,6 @@ const SLASH_ACTIONS: [SlashAction; 22] = [
     },
 ];
 
-#[derive(Clone, Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct BridgeEnvelope<T>
-where
-    T: Serialize,
-{
-    protocol: &'static str,
-    runtime: &'static str,
-    version: &'static str,
-    source: &'static str,
-    event: &'static str,
-    payload: T,
-}
-
-#[derive(Clone, Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct BridgeSelectorsPayload {
-    root: &'static str,
-    stage: &'static str,
-    editor: &'static str,
-    toolbar: &'static str,
-    slash_menu: &'static str,
-    handle: &'static str,
-}
-
-#[derive(Clone, Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct HostStatusPayload {
-    document_id: Option<String>,
-    workspace_id: Option<String>,
-    title: String,
-    dirty_count: u32,
-    selected_block_index: Option<usize>,
-    current_block_id: Option<String>,
-    editor_focused: bool,
-    read_only: bool,
-    slash_open: bool,
-    toolbar_open: bool,
-}
-
-#[derive(Clone, Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct ReadyPayload {
-    runtime_name: &'static str,
-    selectors: BridgeSelectorsPayload,
-    supported_commands: Vec<&'static str>,
-    supports_embedded_mode: bool,
-}
-
-#[derive(Clone, Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct StatePayload {
-    document_id: Option<String>,
-    workspace_id: Option<String>,
-    title: String,
-    dirty_count: u32,
-    selected_block_index: Option<usize>,
-    editor_focused: bool,
-    slash_open: bool,
-    toolbar_open: bool,
-    read_only: bool,
-}
-
-#[derive(Clone, Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct ChangeMetaPayload {
-    dirty_count: u32,
-    editor_focused: bool,
-    slash_open: bool,
-    toolbar_open: bool,
-    selected_block_index: Option<usize>,
-    revision: Option<i64>,
-    conflict_detection_key: Option<String>,
-    read_only: bool,
-}
-
-#[derive(Clone, Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct ChangePayload {
-    document_id: Option<String>,
-    workspace_id: Option<String>,
-    title: String,
-    content: Value,
-    meta: ChangeMetaPayload,
-}
-
-#[derive(Clone, Debug, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct HeightPayload {
-    height: f64,
-}
-
-#[derive(Clone, Debug, Deserialize)]
-#[serde(rename_all = "camelCase")]
-struct HostCommandEnvelope {
-    protocol: Option<String>,
-    runtime: Option<String>,
-    version: Option<String>,
-    source: Option<String>,
-    event: Option<String>,
-    payload: Option<HostCommandPayload>,
-}
-
-#[derive(Clone, Debug, Deserialize)]
-#[serde(rename_all = "camelCase")]
-struct RuntimePageOptions {
-    wide_layout: Option<bool>,
-    small_text: Option<bool>,
-    layout_density: Option<String>,
-    show_heading_numbers: Option<bool>,
-    embed_default_block_id: Option<String>,
-}
-
-#[derive(Clone, Debug, Deserialize)]
-#[serde(rename_all = "camelCase")]
-struct HostCommandPayload {
-    command: Option<String>,
-    document_id: Option<String>,
-    workspace_id: Option<String>,
-    title: Option<String>,
-    content: Option<Value>,
-    editable: Option<bool>,
-    page_options: Option<RuntimePageOptions>,
-    block_id: Option<String>,
-    block_index: Option<usize>,
-    text: Option<String>,
-    reference_document_id: Option<String>,
-    reference_block_id: Option<String>,
-    current_block_id: Option<String>,
-    selection: Option<Value>,
-    revision: Option<i64>,
-    conflict_detection_key: Option<String>,
-    read_only: Option<bool>,
-}
-
 #[derive(Clone, Debug, Deserialize)]
 #[serde(rename_all = "camelCase")]
 struct LegacyHostEnvelope {
@@ -3449,9 +3304,6 @@ struct MountedRuntime {
     mount_handle: Box<dyn Any>,
 }
 
-struct MountedMindmapShell {
-    mount_handle: Box<dyn Any>,
-}
 
 impl Drop for MountedRuntime {
     fn drop(&mut self) {
@@ -3469,7 +3321,6 @@ thread_local! {
     static RUNTIME_MOUNT_OPTIONS: std::cell::RefCell<Option<RuntimeMountOptions>> = const { std::cell::RefCell::new(None) };
     static MOUNTED_HANDLES: std::cell::RefCell<HashMap<u32, MountedRuntime>> = std::cell::RefCell::new(HashMap::new());
     static PENDING_RUNTIME_LISTENERS: std::cell::RefCell<HashMap<u32, Vec<MountedRuntimeListener>>> = std::cell::RefCell::new(HashMap::new());
-    static MOUNTED_MINDMAP_SHELLS: std::cell::RefCell<HashMap<u32, MountedMindmapShell>> = std::cell::RefCell::new(HashMap::new());
     static NEXT_MOUNT_ID: Cell<u32> = const { Cell::new(1) };
 }
 
@@ -3671,26 +3522,14 @@ fn dispatch_ready_event_to_target(target: &EventTarget, payload: &ReadyPayload)
     dispatch_custom_event_to_target(target, READY_EVENT, payload);
 }
 
-fn dispatch_change_event(payload: &ChangePayload) {
-    dispatch_runtime_event(CHANGE_EVENT, payload);
-}
-
 fn dispatch_change_event_to_target(target: &EventTarget, payload: &ChangePayload) {
     dispatch_custom_event_to_target(target, CHANGE_EVENT, payload);
 }
 
-fn dispatch_state_event(payload: &StatePayload) {
-    dispatch_runtime_event(STATE_EVENT, payload);
-}
-
 fn dispatch_state_event_to_target(target: &EventTarget, payload: &StatePayload) {
     dispatch_custom_event_to_target(target, STATE_EVENT, payload);
 }
 
-fn dispatch_status_event(payload: &HostStatusPayload) {
-    dispatch_runtime_event(STATUS_EVENT, payload);
-}
-
 fn dispatch_status_event_to_target(target: &EventTarget, payload: &HostStatusPayload) {
     dispatch_custom_event_to_target(target, STATUS_EVENT, payload);
 }
@@ -3747,875 +3586,15 @@ fn take_unmount_handle(id: u32) -> Option<MountedRuntime> {
     MOUNTED_HANDLES.with(|registry| registry.borrow_mut().remove(&id))
 }
 
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellAction {
-    id: String,
-    label: String,
-    #[serde(default)]
-    long_label: Option<String>,
-    icon: String,
-    #[serde(default)]
-    icon_key: Option<String>,
-    #[serde(default)]
-    priority: Option<u32>,
-    #[serde(default)]
-    overflow_group: Option<String>,
-    #[serde(default)]
-    cluster: Option<String>,
-    disabled: bool,
-}
-
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellToolbarGroup {
-    id: String,
-    label: String,
-    actions: Vec<MindmapShellAction>,
-}
-
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellSidebarPanel {
-    id: String,
-    kind: String,
-    label: String,
-    icon: String,
-    active: bool,
-    body_title: String,
-    body_caption: String,
-    #[serde(default)]
-    options: Vec<MindmapShellSidebarOption>,
-    #[serde(default)]
-    body_items: Vec<String>,
-}
-
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellSidebarOption {
-    id: String,
-    label: String,
-    action_id: Option<String>,
-    value: Value,
-    control_type: String,
-    #[serde(default)]
-    preview: Option<String>,
-    #[serde(default)]
-    description: Option<String>,
-    #[serde(default)]
-    readonly: bool,
-    compat_path: Option<String>,
-}
-
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellNavigator {
-    word_count: u32,
-    node_count: u32,
-    zoom_percent: u32,
-    readonly: bool,
-    #[serde(default)]
-    minimap_open: bool,
-}
-
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellToolbarOverflowState {
-    available_width: Option<f64>,
-    #[serde(default)]
-    visible_action_ids: Vec<String>,
-    #[serde(default)]
-    overflow_action_ids: Vec<String>,
-    #[serde(default)]
-    more_open: bool,
-}
-
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellFullscreenState {
-    mode: String,
-    is_fullscreen: bool,
-    target: String,
-    #[serde(default = "default_true")]
-    api_available: bool,
-}
-
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellSidebarState {
-    trigger_visible: bool,
-    panel_open: bool,
-    active_panel_id: Option<String>,
-    drawer_width: u32,
-    collapsed_by_toggle: bool,
-}
-
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellNavigatorState {
-    search_open: bool,
-    minimap_open: bool,
-    readonly: bool,
-    zoom_percent: u32,
-    mouse_behavior: String,
-}
-
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellInteractionState {
-    chrome_visibility: String,
-    toolbar_overflow: MindmapShellToolbarOverflowState,
-    fullscreen: MindmapShellFullscreenState,
-    sidebar: MindmapShellSidebarState,
-    navigator: MindmapShellNavigatorState,
-}
-
-#[derive(Clone, Deserialize, Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellOptions {
-    mindmap_id: String,
-    toolbar_groups: Vec<MindmapShellToolbarGroup>,
-    sidebar_panels: Vec<MindmapShellSidebarPanel>,
-    navigator: MindmapShellNavigator,
-    shell: MindmapShellInteractionState,
-}
-
-#[derive(Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellActionPayload<'a> {
-    action_id: &'a str,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    value: Option<&'a Value>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    compat_path: Option<&'a str>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    source: Option<&'a str>,
-}
-
-#[derive(Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellPanelPayload<'a> {
-    event: &'a str,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    panel_id: Option<&'a str>,
-}
-
-#[derive(Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellMinimapPayload {
-    open: bool,
-}
-
-#[derive(Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellZoomPayload {
-    percent: u32,
-}
-
-fn default_true() -> bool {
-    true
-}
-
-#[derive(Serialize)]
-#[serde(rename_all = "camelCase")]
-struct MindmapShellToolbarOverflowPayload {
-    more_open: bool,
-}
-
-fn dispatch_mindmap_shell_event<T>(target: &EventTarget, event_name: &'static str, payload: &T)
-where
-    T: Serialize,
-{
-    let Ok(detail_value) = serde_wasm_bindgen::to_value(payload) else {
-        return;
-    };
-    let init = CustomEventInit::new();
-    init.set_detail(&detail_value);
-    init.set_bubbles(true);
-    if let Ok(event) = CustomEvent::new_with_event_init_dict(event_name, &init) {
-        let _ = target.dispatch_event(&event);
-    }
-}
-
-fn render_mindmap_toolbar_action(
-    action: MindmapShellAction,
-    class_name: &'static str,
-    source: &'static str,
-    action_target: EventTarget,
-) -> impl IntoView {
-    let action_id = action.id.clone();
-    let action_label_title = action
-        .long_label
-        .clone()
-        .filter(|label| !label.is_empty())
-        .unwrap_or_else(|| action.label.clone());
-    let action_label_aria = action_label_title.clone();
-    let action_label_text = action.label.clone();
-    let action_icon_text = action.icon.clone();
-    let action_icon_key = action.icon_key.clone().unwrap_or_default();
-    let action_overflow_group = action.overflow_group.clone().unwrap_or_default();
-    let action_cluster = action.cluster.clone().unwrap_or_default();
-    let action_priority = action.priority.unwrap_or(u32::MAX).to_string();
-    let action_disabled = action.disabled;
-
-    view! {
-        <button
-            type="button"
-            class=class_name
-            data-testid=format!("mindmap-schema-toolbar-action-{}", action_id)
-            data-mindmap-action-id=action.id.clone()
-            data-icon-key=action_icon_key
-            data-overflow-group=action_overflow_group
-            data-toolbar-cluster=action_cluster
-            data-priority=action_priority
-            title=action_label_title
-            aria-label=action_label_aria
-            disabled=action_disabled
-            on:click=move |_| {
-                dispatch_mindmap_shell_event(
-                    &action_target,
-                    MINDMAP_SHELL_ACTION_EVENT,
-                    &MindmapShellActionPayload {
-                        action_id: &action_id,
-                        value: None,
-                        compat_path: None,
-                        source: Some(source),
-                    },
-                );
-            }
-        >
-            <span class="mnote-mindmap-tool-icon" aria-hidden="true">{action_icon_text}</span>
-            <span class="mnote-mindmap-tool-label">{action_label_text}</span>
-        </button>
-    }
-}
-
-fn render_mindmap_sidebar_option(
-    option: MindmapShellSidebarOption,
-    action_target: EventTarget,
-) -> impl IntoView {
-    let option_id = option.id.clone();
-    let option_label = option.label.clone();
-    let option_control_type = option.control_type.clone();
-    let action_id = option.action_id.clone();
-    let option_value = option.value.clone();
-    let compat_path = option.compat_path.clone();
-    let option_preview = option.preview.clone().unwrap_or_default();
-    let option_description = option.description.clone().unwrap_or_default();
-    let option_readonly = option.readonly;
-    let option_action_id_attr = action_id.clone().unwrap_or_default();
-
-    if option_readonly || action_id.is_none() {
-        return view! {
-            <div
-                class="mnote-mindmap-side-option mnote-mindmap-side-option-readonly"
-                data-testid=format!("mindmap-schema-sidebar-option-{}", option_id)
-                data-mindmap-sidebar-option-id=option.id
-                data-control-type=option_control_type.clone()
-                data-readonly="true"
-            >
-                <span class="mnote-mindmap-side-option-label">{option_label}</span>
-                {if option_description.is_empty() {
-                    ().into_any()
-                } else {
-                    view! { <span class="mnote-mindmap-side-option-description">{option_description}</span> }.into_any()
-                }}
-            </div>
-        }
-        .into_any();
-    }
-
-    let button_class = if option_control_type == "layoutCard" {
-        "mnote-mindmap-side-option mnote-mindmap-side-option-layout-card"
-    } else if option_control_type == "swatch" {
-        "mnote-mindmap-side-option mnote-mindmap-side-option-swatch"
-    } else if option_control_type == "treeItem" {
-        "mnote-mindmap-side-option mnote-mindmap-side-option-tree-item"
-    } else {
-        "mnote-mindmap-side-option"
-    };
-
-    view! {
-        <button
-            type="button"
-            class=button_class
-            data-testid=format!("mindmap-schema-sidebar-option-{}", option_id)
-            data-mindmap-sidebar-option-id=option.id
-            data-mindmap-action-id=option_action_id_attr
-            data-control-type=option_control_type.clone()
-            on:click=move |_| {
-                if let Some(action_id) = action_id.as_deref() {
-                    dispatch_mindmap_shell_event(
-                        &action_target,
-                        MINDMAP_SHELL_ACTION_EVENT,
-                        &MindmapShellActionPayload {
-                            action_id,
-                            value: Some(&option_value),
-                            compat_path: compat_path.as_deref(),
-                            source: Some("sidebar"),
-                        },
-                    );
-                }
-            }
-        >
-            {if option_control_type == "swatch" {
-                view! {
-                    <span class="mnote-mindmap-side-option-swatch-chip" style=format!("background:{};", option_preview.clone())></span>
-                }
-                .into_any()
-            } else if option_control_type == "layoutCard" {
-                view! {
-                    <span class="mnote-mindmap-side-option-preview-card">{option_preview.clone()}</span>
-                }
-                .into_any()
-            } else {
-                ().into_any()
-            }}
-            <span class="mnote-mindmap-side-option-label">{option_label}</span>
-            {if option_description.is_empty() {
-                ().into_any()
-            } else {
-                view! { <span class="mnote-mindmap-side-option-description">{option_description}</span> }.into_any()
-            }}
-        </button>
-    }
-    .into_any()
-}
-
-#[component]
-fn MindmapShell(options: MindmapShellOptions, event_target: EventTarget) -> impl IntoView {
-    let toolbar_groups = options.toolbar_groups.clone();
-    let sidebar_panels = options.sidebar_panels.clone();
-    let navigator = options.navigator.clone();
-    let shell = options.shell.clone();
-    let minimap_open = shell.navigator.minimap_open;
-    let search_open = shell.navigator.search_open;
-    let sidebar_panel_open = shell.sidebar.panel_open;
-    let sidebar_trigger_visible = shell.sidebar.trigger_visible;
-    let active_panel_id = shell.sidebar.active_panel_id.clone();
-    let sidebar_drawer_width = shell.sidebar.drawer_width.to_string();
-    let chrome_visibility = shell.chrome_visibility.clone();
-    let fullscreen_mode = shell.fullscreen.mode.clone();
-    let fullscreen_target = shell.fullscreen.target.clone();
-    let navigator_mouse_behavior = shell.navigator.mouse_behavior.clone();
-    let toolbar_available_width = shell
-        .toolbar_overflow
-        .available_width
-        .map(|width| width.round().to_string())
-        .unwrap_or_else(|| "".to_string());
-    let chrome_visible = shell.chrome_visibility == "visible";
-    let toolbar_visible_actions = shell.toolbar_overflow.visible_action_ids.join(",");
-    let toolbar_overflow_actions = shell.toolbar_overflow.overflow_action_ids.join(",");
-    let sidebar_drawer_width_value = shell.sidebar.drawer_width;
-    let navigator_right_offset = if chrome_visible && sidebar_panel_open && sidebar_trigger_visible
-    {
-        sidebar_drawer_width_value + 112
-    } else if chrome_visible && sidebar_trigger_visible {
-        108
-    } else {
-        28
-    };
-    let navigator_right_style = format!("right: {}px;", navigator_right_offset);
-    let minimap_right_style = format!("right: {}px;", navigator_right_offset);
-    let mut primary_toolbar_actions: Vec<MindmapShellAction> = Vec::new();
-    let mut overflow_toolbar_actions: Vec<MindmapShellAction> = Vec::new();
-    let mut file_toolbar_actions: Vec<MindmapShellAction> = Vec::new();
-
-    for group in toolbar_groups.into_iter() {
-        match group.id.as_str() {
-            "overflow" => overflow_toolbar_actions.extend(group.actions),
-            "file" => file_toolbar_actions.extend(group.actions),
-            _ => primary_toolbar_actions.extend(group.actions),
-        }
-    }
-    primary_toolbar_actions.sort_by_key(|action| action.priority.unwrap_or(u32::MAX));
-    overflow_toolbar_actions.sort_by_key(|action| action.priority.unwrap_or(u32::MAX));
-    file_toolbar_actions.sort_by_key(|action| action.priority.unwrap_or(u32::MAX));
-    let has_toolbar_overflow = !overflow_toolbar_actions.is_empty();
-    let toolbar_more_open = shell.toolbar_overflow.more_open && has_toolbar_overflow;
-
-    let action_target = event_target.clone();
-    let panel_target = event_target;
-
-    view! {
-        <div
-            class="mnote-mindmap-rust-shell"
-            data-testid="mindmap-rust-shell"
-            data-ui-shell-source="leptos-rust-shell"
-            data-mnote-mindmap-id=options.mindmap_id
-            data-chrome-visibility=chrome_visibility
-            data-toolbar-available-width=toolbar_available_width
-            data-toolbar-visible-actions=toolbar_visible_actions
-            data-toolbar-overflow-actions=toolbar_overflow_actions
-            data-toolbar-more-open=toolbar_more_open.to_string()
-            data-fullscreen-mode=fullscreen_mode
-            data-fullscreen-active=shell.fullscreen.is_fullscreen.to_string()
-            data-fullscreen-target=fullscreen_target
-            data-fullscreen-api-available=shell.fullscreen.api_available.to_string()
-            data-sidebar-trigger-visible=sidebar_trigger_visible.to_string()
-            data-sidebar-panel-open=sidebar_panel_open.to_string()
-            data-sidebar-active-panel=active_panel_id.unwrap_or_default()
-            data-sidebar-drawer-width=sidebar_drawer_width
-            data-sidebar-collapsed-by-toggle=shell.sidebar.collapsed_by_toggle.to_string()
-            data-navigator-search-open=shell.navigator.search_open.to_string()
-            data-navigator-minimap-open=shell.navigator.minimap_open.to_string()
-            data-navigator-readonly=shell.navigator.readonly.to_string()
-            data-navigator-zoom-percent=shell.navigator.zoom_percent.to_string()
-            data-navigator-mouse-behavior=navigator_mouse_behavior
-        >
-            {if chrome_visible {
-            view! { <div
-                class="mnote-mindmap-command-toolbar mnote-mindmap-schema-toolbar"
-                data-testid="mindmap-schema-toolbar"
-                data-ui-source="leptos-rust-shell"
-                data-schema-source="mindmapDefaultUiSchema"
-            >
-                <div class="mnote-mindmap-toolbar-primary" data-testid="mindmap-schema-toolbar-groups">
-                    <div class="mnote-mindmap-toolbar-cluster mnote-mindmap-toolbar-cluster-main" data-testid="mindmap-schema-toolbar-cluster-main">
-                        {primary_toolbar_actions
-                            .into_iter()
-                            .map(|action| render_mindmap_toolbar_action(action, "mnote-mindmap-tool", "toolbar", action_target.clone()))
-                            .collect_view()}
-                    </div>
-                    {if has_toolbar_overflow {
-                        let overflow_toggle_target = action_target.clone();
-                        let overflow_menu_actions = overflow_toolbar_actions.clone();
-                        view! {
-                            <div class="mnote-mindmap-toolbar-more" data-testid="mindmap-schema-toolbar-more">
-                                <button
-                                    type="button"
-                                    class="mnote-mindmap-tool mnote-mindmap-toolbar-more-button"
-                                    data-testid="mindmap-schema-toolbar-action-more"
-                                    data-mindmap-action-id="more"
-                                    data-open=toolbar_more_open.to_string()
-                                    aria-haspopup="menu"
-                                    aria-expanded=toolbar_more_open.to_string()
-                                    title="更多"
-                                    aria-label="更多"
-                                    on:click=move |_| {
-                                        dispatch_mindmap_shell_event(
-                                            &overflow_toggle_target,
-                                            MINDMAP_SHELL_TOOLBAR_OVERFLOW_EVENT,
-                                            &MindmapShellToolbarOverflowPayload { more_open: !toolbar_more_open },
-                                        );
-                                    }
-                                >
-                                    <span class="mnote-mindmap-tool-icon" aria-hidden="true">"⋯"</span>
-                                    <span class="mnote-mindmap-tool-label">"更多"</span>
-                                </button>
-                                {if toolbar_more_open {
-                                    view! {
-                                        <div class="mnote-mindmap-toolbar-more-menu" data-testid="mindmap-schema-toolbar-more-menu" role="menu">
-                                            {overflow_menu_actions
-                                                .into_iter()
-                                                .map(|action| render_mindmap_toolbar_action(action, "mnote-mindmap-tool mnote-mindmap-toolbar-more-item", "toolbar", action_target.clone()))
-                                                .collect_view()}
-                                        </div>
-                                    }.into_any()
-                                } else {
-                                    ().into_any()
-                                }}
-                            </div>
-                        }.into_any()
-                    } else {
-                        ().into_any()
-                    }}
-                    <div class="mnote-mindmap-toolbar-cluster mnote-mindmap-toolbar-cluster-file" data-testid="mindmap-schema-toolbar-cluster-file">
-                        {file_toolbar_actions
-                            .into_iter()
-                            .map(|action| render_mindmap_toolbar_action(action, "mnote-mindmap-tool", "toolbar", action_target.clone()))
-                            .collect_view()}
-                    </div>
-                </div>
-            </div> }.into_any()
-            } else {
-                ().into_any()
-            }}
-            {if chrome_visible {
-            view! { <aside
-                class="mnote-mindmap-side-panel mnote-mindmap-schema-sidebar"
-                data-testid="mindmap-schema-sidebar"
-                data-ui-source="leptos-rust-shell"
-                data-schema-source="mindmapDefaultUiSchema"
-                data-trigger-visible=sidebar_trigger_visible.to_string()
-                data-panel-open=sidebar_panel_open.to_string()
-                data-collapsed-by-toggle=shell.sidebar.collapsed_by_toggle.to_string()
-            >
-                {if sidebar_trigger_visible {
-                    view! {
-                        <div class="mnote-mindmap-side-rail" data-testid="mindmap-schema-sidebar-rail">
-                            <button
-                                type="button"
-                                class="mnote-mindmap-side-rail-handle"
-                                data-testid="mindmap-schema-sidebar-hide-handle"
-                                aria-label="隐藏侧栏"
-                                title="隐藏侧栏"
-                                on:click={
-                                    let panel_target = panel_target.clone();
-                                    move |_| {
-                                        dispatch_mindmap_shell_event(
-                                            &panel_target,
-                                            MINDMAP_SHELL_PANEL_EVENT,
-                                            &MindmapShellPanelPayload {
-                                                event: "hideTrigger",
-                                                panel_id: None,
-                                            },
-                                        );
-                                    }
-                                }
-                            >
-                                "›"
-                            </button>
-                            {sidebar_panels
-                                .iter()
-                                .cloned()
-                                .map(|panel| {
-                                    let panel_id = panel.id.clone();
-                                    let panel_kind = panel.kind.clone();
-                                    let panel_target = panel_target.clone();
-                                    view! {
-                                        <button
-                                            type="button"
-                                            class="mnote-mindmap-side-tab"
-                                            data-testid=format!("mindmap-schema-sidebar-tab-{}", panel_id)
-                                            data-mindmap-sidebar-panel-id=panel.id.clone()
-                                            data-sidebar-kind=panel_kind
-                                            data-active=panel.active.to_string()
-                                            on:click=move |_| {
-                                                dispatch_mindmap_shell_event(
-                                                    &panel_target,
-                                                    MINDMAP_SHELL_PANEL_EVENT,
-                                                    &MindmapShellPanelPayload {
-                                                        event: "togglePanel",
-                                                        panel_id: Some(&panel_id),
-                                                    },
-                                                );
-                                            }
-                                        >
-                                            <span class="mnote-mindmap-side-icon">{panel.icon}</span>
-                                            <span class="mnote-mindmap-side-tab-label">{panel.label}</span>
-                                        </button>
-                                    }
-                                })
-                                .collect_view()}
-                        </div>
-                    }
-                    .into_any()
-                } else {
-                    view! {
-                        <button
-                            type="button"
-                            class="mnote-mindmap-side-restore-handle"
-                            data-testid="mindmap-schema-sidebar-restore-handle"
-                            aria-label="恢复侧栏"
-                            title="恢复侧栏"
-                            on:click={
-                                let panel_target = panel_target.clone();
-                                move |_| {
-                                    dispatch_mindmap_shell_event(
-                                        &panel_target,
-                                        MINDMAP_SHELL_PANEL_EVENT,
-                                        &MindmapShellPanelPayload {
-                                            event: "restoreTrigger",
-                                            panel_id: None,
-                                        },
-                                    );
-                                }
-                            }
-                        >
-                            "‹"
-                        </button>
-                    }
-                    .into_any()
-                }}
-                {if sidebar_panel_open {
-                    sidebar_panels
-                        .iter()
-                        .find(|panel| panel.active)
-                        .or_else(|| sidebar_panels.first())
-                        .cloned()
-                        .map(|panel| view! {
-                        <div
-                            class="mnote-mindmap-side-body mnote-mindmap-side-drawer"
-                            data-testid="mindmap-schema-sidebar-drawer"
-                            data-sidebar-panel-id=panel.id.clone()
-                            data-sidebar-kind=panel.kind.clone()
-                            style=format!("width: {}px;", sidebar_drawer_width_value)
-                        >
-                            <div class="mnote-mindmap-side-drawer-header">
-                                <div class="mnote-mindmap-side-drawer-heading">
-                                    <strong data-testid="mindmap-schema-sidebar-title">{panel.body_title}</strong>
-                                    <span>{panel.body_caption}</span>
-                                </div>
-                                <button
-                                    type="button"
-                                    class="mnote-mindmap-side-drawer-close"
-                                    data-testid="mindmap-schema-sidebar-close"
-                                    aria-label="关闭侧栏"
-                                    title="关闭侧栏"
-                                    on:click={
-                                        let panel_target = panel_target.clone();
-                                        move |_| {
-                                            dispatch_mindmap_shell_event(
-                                                &panel_target,
-                                                MINDMAP_SHELL_PANEL_EVENT,
-                                                &MindmapShellPanelPayload {
-                                                    event: "closeDrawer",
-                                                    panel_id: None,
-                                                },
-                                            );
-                                        }
-                                    }
-                                >
-                                    "×"
-                                </button>
-                            </div>
-                            <div class="mnote-mindmap-side-options" data-testid=format!("mindmap-schema-sidebar-options-{}", panel.id)>
-                                {panel.options
-                                    .into_iter()
-                                    .map(|option| render_mindmap_sidebar_option(option, action_target.clone()))
-                                    .collect_view()}
-                            </div>
-                            <ol class="mnote-mindmap-side-outline" data-testid=format!("mindmap-schema-sidebar-outline-{}", panel.id)>
-                                {panel.body_items
-                                    .into_iter()
-                                    .map(|item| view! { <li>{item}</li> })
-                                    .collect_view()}
-                            </ol>
-                        </div>
-                        }.into_any())
-                        .unwrap_or_else(|| ().into_any())
-                } else {
-                    ().into_any()
-                }}
-            </aside> }.into_any()
-            } else {
-                ().into_any()
-            }}
-            <div
-                class="mnote-mindmap-count"
-                data-testid="mindmap-schema-count"
-                data-ui-source="leptos-rust-shell"
-                data-schema-source="mindmapDefaultUiSchema"
-            >
-                <span data-testid="mindmap-schema-navigator-stats">{format!("字数 {}", navigator.word_count)}</span>
-                <span>{format!("节点 {}", navigator.node_count)}</span>
-            </div>
-            {if chrome_visible {
-            view! { <div
-                class="mnote-mindmap-bottom-bar mnote-mindmap-schema-navigator"
-                data-testid="mindmap-schema-navigator"
-                data-ui-source="leptos-rust-shell"
-                data-schema-source="mindmapDefaultUiSchema"
-                style=navigator_right_style
-            >
-                <div class="mnote-mindmap-schema-navigator-group">
-                    <button type="button" class="mnote-mindmap-schema-navigator-button" data-testid="mindmap-schema-navigator-action-centerRoot" data-mindmap-action-id="centerRoot" title="回根节点" aria-label="回根节点" on:click={
-                        let action_target = action_target.clone();
-                        move |_| dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_ACTION_EVENT, &MindmapShellActionPayload {
-                            action_id: "centerRoot",
-                            value: None,
-                            compat_path: None,
-                            source: None,
-                        })
-                    }><span class="material-symbols-outlined" data-icon="home" aria-hidden="true"></span></button>
-                    <div class="mnote-mindmap-schema-navigator-search-wrap">
-                        <button type="button" class="mnote-mindmap-schema-navigator-button" data-testid="mindmap-schema-navigator-action-search" data-mindmap-action-id="search" data-active=search_open.to_string() title="搜索" aria-label="搜索" on:click={
-                            let action_target = action_target.clone();
-                            move |_| dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_ACTION_EVENT, &MindmapShellActionPayload {
-                                action_id: "search",
-                                value: None,
-                                compat_path: None,
-                                source: None,
-                            })
-                        }><span class="material-symbols-outlined" data-icon="search" aria-hidden="true"></span></button>
-                        {if search_open {
-                            view! {
-                                <input
-                                    data-testid="mindmap-schema-navigator-search"
-                                    data-mindmap-action-id="search"
-                                    placeholder="搜索"
-                                    aria-label="搜索"
-                                    on:input={
-                                        let action_target = action_target.clone();
-                                        move |event| {
-                                            let value = event_target_value(&event);
-                                            let value = json!(value);
-                                            dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_ACTION_EVENT, &MindmapShellActionPayload {
-                                                action_id: "search",
-                                                value: Some(&value),
-                                                compat_path: None,
-                                                source: None,
-                                            })
-                                        }
-                                    }
-                                    on:keydown={
-                                        let action_target = action_target.clone();
-                                        move |event: ev::KeyboardEvent| {
-                                            if event.key() == "Escape" {
-                                                let value = json!(false);
-                                                dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_ACTION_EVENT, &MindmapShellActionPayload {
-                                                    action_id: "search",
-                                                    value: Some(&value),
-                                                    compat_path: None,
-                                                    source: None,
-                                                });
-                                            }
-                                        }
-                                    }
-                                />
-                            }.into_any()
-                        } else {
-                            ().into_any()
-                        }}
-                    </div>
-                    <button type="button" class="mnote-mindmap-schema-navigator-button" data-testid="mindmap-schema-navigator-action-minimap" data-active=minimap_open.to_string() title="小地图" aria-label="小地图" on:click={
-                        let action_target = action_target.clone();
-                        move |_| dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_MINIMAP_EVENT, &MindmapShellMinimapPayload { open: !minimap_open })
-                    }><span class="material-symbols-outlined" data-icon="account_tree" aria-hidden="true"></span></button>
-                    <button type="button" class="mnote-mindmap-schema-navigator-button" data-testid="mindmap-schema-navigator-action-settings" data-active=(sidebar_panel_open && sidebar_trigger_visible).to_string() title="设置" aria-label="设置" on:click={
-                        let action_target = action_target.clone();
-                        let active_panel_id = active_panel_id.clone();
-                        move |_| {
-                            let event = if sidebar_trigger_visible { "togglePanel" } else { "restoreTrigger" };
-                            dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_PANEL_EVENT, &MindmapShellPanelPayload {
-                                event,
-                                panel_id: active_panel_id.as_deref(),
-                            })
-                        }
-                    }><span class="mnote-mindmap-tool-icon" aria-hidden="true">"⚙"</span></button>
-                </div>
-                <div class="mnote-mindmap-schema-navigator-group">
-                    <button type="button" class="mnote-mindmap-schema-navigator-button" data-testid="mindmap-schema-navigator-action-zoomOut" data-mindmap-action-id="zoomOut" title="缩小" aria-label="缩小" on:click={
-                        let action_target = action_target.clone();
-                        move |_| dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_ACTION_EVENT, &MindmapShellActionPayload {
-                            action_id: "zoomOut",
-                            value: None,
-                            compat_path: None,
-                            source: None,
-                        })
-                    }><span class="mnote-mindmap-tool-icon" aria-hidden="true">"－"</span></button>
-                    <input
-                        class="mnote-mindmap-schema-navigator-zoom"
-                        data-testid="mindmap-schema-navigator-zoom-input"
-                        value=format!("{}%", navigator.zoom_percent)
-                        aria-label="缩放百分比"
-                        on:change={
-                            let action_target = action_target.clone();
-                            move |event| {
-                                let raw = event_target_value(&event);
-                                let normalized = raw.replace('%', "").trim().to_string();
-                                if let Ok(percent) = normalized.parse::<u32>() {
-                                    dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_ZOOM_EVENT, &MindmapShellZoomPayload { percent });
-                                } else if let Some(target) = event.target() {
-                                    if let Ok(input) = target.dyn_into::<HtmlInputElement>() {
-                                        input.set_value(&format!("{}%", navigator.zoom_percent));
-                                    }
-                                }
-                            }
-                        }
-                        on:keydown=move |event: ev::KeyboardEvent| {
-                            if event.key() == "Escape" {
-                                if let Some(target) = event.target() {
-                                    if let Ok(input) = target.dyn_into::<HtmlInputElement>() {
-                                        input.set_value(&format!("{}%", navigator.zoom_percent));
-                                        input.blur().ok();
-                                    }
-                                }
-                            }
-                        }
-                    />
-                    <button type="button" class="mnote-mindmap-schema-navigator-button" data-testid="mindmap-schema-navigator-action-zoomIn" data-mindmap-action-id="zoomIn" title="放大" aria-label="放大" on:click={
-                        let action_target = action_target.clone();
-                        move |_| dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_ACTION_EVENT, &MindmapShellActionPayload {
-                            action_id: "zoomIn",
-                            value: None,
-                            compat_path: None,
-                            source: None,
-                        })
-                    }><span class="material-symbols-outlined" data-icon="add" aria-hidden="true"></span></button>
-                    <button type="button" class="mnote-mindmap-schema-navigator-button" data-testid="mindmap-schema-navigator-action-fullscreenCanvas" data-mindmap-action-id="fullscreenCanvas" data-active=shell.fullscreen.is_fullscreen.to_string() data-disabled-reason=if shell.fullscreen.api_available { "" } else { "fullscreen-unavailable" } disabled=!shell.fullscreen.api_available title=if shell.fullscreen.is_fullscreen { "退出全屏" } else { "全屏查看" } aria-label=if shell.fullscreen.is_fullscreen { "退出全屏" } else { "全屏查看" } on:click={
-                        let action_target = action_target.clone();
-                        move |_| dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_ACTION_EVENT, &MindmapShellActionPayload {
-                            action_id: if shell.fullscreen.is_fullscreen { "exitFullscreen" } else { "fullscreenCanvas" },
-                            value: None,
-                            compat_path: None,
-                            source: None,
-                        })
-                    }><span class="mnote-mindmap-tool-icon" aria-hidden="true">{if shell.fullscreen.is_fullscreen { "⤫" } else { "⛶" }}</span></button>
-                    <button type="button" class="mnote-mindmap-schema-navigator-button" data-testid="mindmap-schema-navigator-action-readonly" data-mindmap-action-id="readonly" data-active=navigator.readonly.to_string() title=if navigator.readonly { "切回编辑" } else { "切换只读" } aria-label=if navigator.readonly { "切回编辑" } else { "切换只读" } on:click={
-                        let action_target = action_target;
-                        move |_| dispatch_mindmap_shell_event(&action_target, MINDMAP_SHELL_ACTION_EVENT, &MindmapShellActionPayload {
-                            action_id: "readonly",
-                            value: None,
-                            compat_path: None,
-                            source: None,
-                        })
-                    }><span class="mnote-mindmap-tool-icon" aria-hidden="true">{if navigator.readonly { "锁" } else { "开" }}</span></button>
-                </div>
-            </div> }.into_any()
-            } else {
-                ().into_any()
-            }}
-            {if minimap_open {
-            view! {
-                <div
-                    class="mnote-mindmap-minimap"
-                    data-testid="mindmap-schema-minimap"
-                    data-ui-source="leptos-rust-shell"
-                    style=minimap_right_style
-                >
-                        <div class="mnote-mindmap-minimap-map">
-                            <span></span>
-                            <span></span>
-                            <span></span>
-                        </div>
-                        <div class="mnote-mindmap-minimap-viewport" data-testid="mindmap-schema-minimap-viewport"></div>
-                    </div>
-                }.into_any()
-            } else {
-                ().into_any()
-            }}
-        </div>
-    }
-}
-
-fn take_mindmap_shell_handle(id: u32) -> Option<MountedMindmapShell> {
-    MOUNTED_MINDMAP_SHELLS.with(|registry| registry.borrow_mut().remove(&id))
-}
-
 #[wasm_bindgen]
 pub fn mount_mindmap_shell(container: Element, options: JsValue) -> Result<u32, JsValue> {
     console_error_panic_hook::set_once();
-    let options = serde_wasm_bindgen::from_value::<MindmapShellOptions>(options)?;
-    let target = container
-        .dyn_into::<HtmlElement>()
-        .map_err(|_| JsValue::from_str("mindmap shell mount 目标必须是 HTML 元素"))?;
-    let mount_id = next_mount_id();
-    let event_target: EventTarget = target.clone().into();
-    let handle = mount_to(target, move || {
-        view! {
-            <MindmapShell options=options event_target=event_target />
-        }
-    });
-    MOUNTED_MINDMAP_SHELLS.with(|registry| {
-        registry.borrow_mut().insert(
-            mount_id,
-            MountedMindmapShell {
-                mount_handle: Box::new(handle),
-            },
-        );
-    });
-    Ok(mount_id)
+    mount_mindmap_shell_impl(container.into(), options)
 }
 
 #[wasm_bindgen]
 pub fn unmount_mindmap_shell(mount_id: u32) -> Result<(), JsValue> {
-    if take_mindmap_shell_handle(mount_id).is_some() {
-        Ok(())
-    } else {
-        Err(JsValue::from_str("找不到对应的 mindmap shell 挂载句柄"))
-    }
+    unmount_mindmap_shell_impl(mount_id)
 }
 
 #[wasm_bindgen]
@@ -4963,91 +3942,6 @@ fn next_mindmap_id() -> String {
     )
 }
 
-fn apply_html_update(
-    editor: TiptapEditorHandle,
-    persisted_identity: &PersistedDocumentIdentity,
-    next_html: String,
-    document_id: ReadSignal<Option<String>>,
-    workspace_id: ReadSignal<Option<String>>,
-    dirty_count: ReadSignal<u32>,
-    set_dirty_count: WriteSignal<u32>,
-    set_html_output: WriteSignal<String>,
-    set_document_json: WriteSignal<Value>,
-    set_json_output: WriteSignal<String>,
-    title: ReadSignal<String>,
-    hovered_block: ReadSignal<Option<HoveredBlockState>>,
-    editor_focused: ReadSignal<bool>,
-    slash_open: ReadSignal<bool>,
-    turn_into_open: ReadSignal<bool>,
-    color_menu_open: ReadSignal<bool>,
-    more_menu_open: ReadSignal<bool>,
-    revision: ReadSignal<Option<i64>>,
-    conflict_detection_key: ReadSignal<Option<String>>,
-    read_only: ReadSignal<bool>,
-    set_command_feedback: WriteSignal<String>,
-    success_message: impl Into<String>,
-) {
-    let success_message = success_message.into();
-    match editor.set_content(TiptapContent::html(next_html)) {
-        Ok(()) => {
-            set_dirty_count.update(|count| *count += 1);
-            let (html, snapshot, json_text) = read_editor_snapshot(editor);
-            set_html_output.set(html.clone());
-            set_document_json.set(snapshot.clone());
-            set_json_output.set(json_text);
-            dispatch_change_event(&ChangePayload {
-                document_id: document_id.get_untracked(),
-                workspace_id: workspace_id.get_untracked(),
-                title: title.get_untracked(),
-                content: snapshot.clone(),
-                meta: ChangeMetaPayload {
-                    dirty_count: dirty_count.get_untracked(),
-                    editor_focused: editor_focused.get_untracked(),
-                    slash_open: slash_open.get_untracked(),
-                    toolbar_open: toolbar_overlay_locked(
-                        turn_into_open.get_untracked(),
-                        color_menu_open.get_untracked(),
-                        more_menu_open.get_untracked(),
-                    ),
-                    selected_block_index: hovered_block.get_untracked().map(|block| block.index),
-                    revision: revision.get_untracked(),
-                    conflict_detection_key: conflict_detection_key.get_untracked(),
-                    read_only: read_only.get_untracked(),
-                },
-            });
-            dispatch_runtime_state(
-                document_id.get_untracked(),
-                workspace_id.get_untracked(),
-                title.get_untracked(),
-                dirty_count.get_untracked(),
-                hovered_block.get_untracked(),
-                editor_focused.get_untracked(),
-                slash_open.get_untracked(),
-                turn_into_open.get_untracked(),
-                color_menu_open.get_untracked(),
-                more_menu_open.get_untracked(),
-                read_only.get_untracked(),
-            );
-            match persist_document_state(
-                persisted_identity,
-                &title.get_untracked(),
-                &snapshot,
-                Some(html),
-            ) {
-                Ok(()) => {
-                    set_command_feedback.set(format!("{success_message}，并已写入本地草稿"));
-                }
-                Err(err) => {
-                    set_command_feedback.set(format!("{success_message}，但本地保存失败：{err}"));
-                }
-            }
-        }
-        Err(err) => {
-            set_command_feedback.set(format!("更新文档失败：{err}"));
-        }
-    }
-}
-
 fn top_level_block_boundary_position(document: &Value, index: usize, before: bool) -> Option<u32> {
     let content = document.get("content").and_then(Value::as_array)?;
     let mut position = 0_u32;
@@ -5222,48 +4116,6 @@ fn status_payload(
     }
 }
 
-fn dispatch_runtime_state(
-    document_id: Option<String>,
-    workspace_id: Option<String>,
-    title: String,
-    dirty_count: u32,
-    hovered_block: Option<HoveredBlockState>,
-    editor_focused: bool,
-    slash_open: bool,
-    turn_into_open: bool,
-    color_menu_open: bool,
-    more_menu_open: bool,
-    read_only: bool,
-) {
-    let state = state_payload(
-        document_id.clone(),
-        workspace_id.clone(),
-        title.clone(),
-        dirty_count,
-        hovered_block.clone(),
-        editor_focused,
-        slash_open,
-        turn_into_open,
-        color_menu_open,
-        more_menu_open,
-        read_only,
-    );
-    dispatch_state_event(&state);
-    dispatch_status_event(&status_payload(
-        document_id,
-        workspace_id,
-        title,
-        dirty_count,
-        hovered_block,
-        editor_focused,
-        slash_open,
-        turn_into_open,
-        color_menu_open,
-        more_menu_open,
-        read_only,
-    ));
-}
-
 fn dispatch_runtime_state_to_target(
     target: &EventTarget,
     document_id: Option<String>,
@@ -6814,35 +5666,21 @@ fn App(mount_options: MountOptions) -> impl IntoView {
             if let Some(source_index) = dragging_block_index.try_get_untracked().flatten() {
                 let indicator = drop_indicator_from_point(event.client_x(), event.client_y());
                 if let Some(indicator) = indicator {
-                    match editor.get_html() {
-                        Ok(current_html) => match reorder_top_level_block_html(
-                            &current_html,
+                    match editor_runtime::history_safe_commands::move_top_level_block_with_history(
+                            &editor,
                             source_index,
                             indicator.index,
                             indicator.placement,
                         ) {
-                            Ok(next_html) => {
-                                apply_html_update(
+                            Ok(()) => {
+                                sync_persisted_editor_command(
                                     editor,
                                     &persisted_identity,
-                                    next_html,
-                                    document_id,
-                                    workspace_id,
-                                    dirty_count,
                                     set_dirty_count,
                                     set_html_output,
                                     set_document_json,
                                     set_json_output,
                                     title,
-                                    hovered_block,
-                                    editor_focused,
-                                    slash_open,
-                                    turn_into_open,
-                                    color_menu_open,
-                                    more_menu_open,
-                                    revision,
-                                    conflict_detection_key,
-                                    read_only,
                                     set_command_feedback,
                                     "已通过块手柄拖拽重排",
                                 );
@@ -6850,12 +5688,7 @@ fn App(mount_options: MountOptions) -> impl IntoView {
                             Err(err) => {
                                 set_command_feedback.set(err);
                             }
-                        },
-                        Err(err) => {
-                            let _ =
-                                set_command_feedback.try_set(format!("读取当前 HTML 失败：{err}"));
                         }
-                    }
                 } else {
                     let _ = set_command_feedback.try_set("块拖拽已取消".to_string());
                 }
@@ -7701,35 +6534,21 @@ fn App(mount_options: MountOptions) -> impl IntoView {
                             return;
                         };
 
-                        match editor.get_html() {
-                            Ok(current_html) => match reorder_top_level_block_html(
-                                &current_html,
+                        match editor_runtime::history_safe_commands::move_top_level_block_with_history(
+                                &editor,
                                 source_index,
                                 indicator.index,
                                 indicator.placement,
                             ) {
-                                Ok(next_html) => {
-                                    apply_html_update(
+                                Ok(()) => {
+                                    sync_persisted_editor_command(
                                         editor,
                                         &runtime_persisted_identity(document_id, workspace_id),
-                                        next_html,
-                                        document_id,
-                                        workspace_id,
-                                        dirty_count,
                                         set_dirty_count,
                                         set_html_output,
                                         set_document_json,
                                         set_json_output,
                                         title,
-                                        hovered_block,
-                                        editor_focused,
-                                        slash_open,
-                                        turn_into_open,
-                                        color_menu_open,
-                                        more_menu_open,
-                                        revision,
-                                        conflict_detection_key,
-                                        read_only,
                                         set_command_feedback,
                                         "已通过块手柄拖拽重排",
                                     );
@@ -7737,11 +6556,7 @@ fn App(mount_options: MountOptions) -> impl IntoView {
                                 Err(err) => {
                                     set_command_feedback.set(err);
                                 }
-                            },
-                            Err(err) => {
-                                set_command_feedback.set(format!("读取当前 HTML 失败：{err}"));
                             }
-                        }
 
                         set_dragging_block_index.set(None);
                         set_dragging_block_anchor.set(None);
@@ -8876,30 +7691,16 @@ fn App(mount_options: MountOptions) -> impl IntoView {
                                                                             data-testid="block-drag-menu-item-duplicate"
                                                                             on:click=move |event: MouseEvent| {
                                                                                 event.stop_propagation();
-                                                                                match editor.get_html() {
-                                                                                    Ok(current_html) => match duplicate_top_level_block_html(&current_html, block_index) {
-                                                                                        Ok(next_html) => {
-                                                                                            apply_html_update(
+                                                                                match editor_runtime::history_safe_commands::duplicate_top_level_block_with_history(&editor, block_index) {
+                                                                                        Ok(()) => {
+                                                                                            sync_persisted_editor_command(
                                                                                                 editor,
                                                                                                 &runtime_persisted_identity(document_id, workspace_id),
-                                                                                                next_html,
-                                                                                                document_id,
-                                                                                                workspace_id,
-                                                                                                dirty_count,
                                                                                                 set_dirty_count,
                                                                                                 set_html_output,
                                                                                                 set_document_json,
                                                                                                 set_json_output,
                                                                                                 title,
-                                                                                                hovered_block,
-                                                                                                editor_focused,
-                                                                                                slash_open,
-                                                                                                turn_into_open,
-                                                                                                color_menu_open,
-                                                                                                more_menu_open,
-                                                                                                revision,
-                                                                                                conflict_detection_key,
-                                                                                                read_only,
                                                                                                 set_command_feedback,
                                                                                                 format!("已复制 {}", duplicate_feedback_label.clone()),
                                                                                             );
@@ -8907,8 +7708,6 @@ fn App(mount_options: MountOptions) -> impl IntoView {
                                                                                             set_block_menu_anchor.set(None);
                                                                                         }
                                                                                         Err(err) => set_command_feedback.set(err),
-                                                                                    },
-                                                                                    Err(err) => set_command_feedback.set(format!("读取当前 HTML 失败：{err}")),
                                                                                 }
                                                                             }
                                                                         >