feat: ai apply ui (#12962)

## New Features
* **Block Meta Markdown Adapter**：Inject the Block's metadata into
Markdown.
* **UI**：Apply interaction
   * **Widget**
* Block-Level Widget: Displays the diffs of individual blocks within the
main content and supports accepting/rejecting individual diffs.
* Page-Level Widget: Displays global options (Accept all/Reject all).
   * **Block Diff Service**：Bridge widget and diff data
* Widget subscribes to DiffMap(RenderDiff) data, refreshing the view
when the data changes.
* Widget performs operations such as Accept/Reject via methods provided
by Service.
   * **Doc Edit Tool Card**:
     * Display apply preview of semantic doc edit
     * Support apply & accept/reject to the main content
* **Apply Playground**：A devtool for testing apply new content to
current

> CLOSE AI-274 AI-275 AI-276  AI-278 

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Introduced block-level markdown diffing with accept/reject controls
for insertions, deletions, and updates.
* Added block diff widgets for individual blocks and pages, featuring
navigation and bulk accept/reject actions.
* Provided a block diff playground for testing and previewing markdown
changes (development mode only).
* Added a new document editing AI tool component with interactive diff
viewing and change application.
* Supported rendering of the document editing tool within AI chat
content streams.

* **Improvements**
* Enhanced widget rendering in list, paragraph, data view, and database
blocks for improved extensibility.
* Improved widget flavour matching with hierarchical wildcard support
for more flexible UI integration.

* **Chores**
* Updated the "@toeverything/theme" dependency to version ^1.1.16 across
multiple packages.
* Added new workspace dependencies for core frontend packages to improve
module linkage.
* Extended global styles with visual highlights for deleted blocks in AI
block diff feature.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/blocks/database/src/database-block.ts

@@ -47,6 +47,7 @@ import { Slice } from '@blocksuite/store';
 import { autoUpdate } from '@floating-ui/dom';
 import { computed, signal } from '@preact/signals-core';
 import { html, nothing } from 'lit';
+import { repeat } from 'lit/directives/repeat.js';
 
 import { popSideDetail } from './components/layout.js';
 import { DatabaseConfigExtension } from './config.js';
@@ -451,9 +452,15 @@ export class DatabaseBlockComponent extends CaptionedBlockComponent<DatabaseBloc
       })
   );
   override renderBlock() {
+    const widgets = html`${repeat(
+      Object.entries(this.widgets),
+      ([id]) => id,
+      ([_, widget]) => widget
+    )}`;
+
     return html`
       <div contenteditable="false" class="${databaseContentStyles}">
-        ${this.dataViewRootLogic.value.render()}
+        ${this.dataViewRootLogic.value.render()} ${widgets}
       </div>
     `;
   }