feat(editor): Add wysiwyg editor

ts_web/elements/wysiwyg/dees-input-wysiwyg.ts

@@ -561,4 +561,54 @@ export class DeesInputWysiwyg extends DeesInputBase<string> {
     this.changeSubject.next(this.value);
     this.requestUpdate();
   }
+
+  /**
+   * Export the editor content as raw blocks (lossless)
+   */
+  public exportBlocks(): IBlock[] {
+    return JSON.parse(JSON.stringify(this.blocks));
+  }
+
+  /**
+   * Import raw blocks (lossless)
+   */
+  public importBlocks(blocks: IBlock[]): void {
+    this.blocks = JSON.parse(JSON.stringify(blocks));
+    this.updateValue();
+    this.requestUpdate();
+  }
+
+  /**
+   * Export content as HTML regardless of outputFormat setting
+   */
+  public exportAsHtml(): string {
+    return WysiwygConverters.getHtmlOutput(this.blocks);
+  }
+
+  /**
+   * Export content as Markdown regardless of outputFormat setting
+   */
+  public exportAsMarkdown(): string {
+    return WysiwygConverters.getMarkdownOutput(this.blocks);
+  }
+
+  /**
+   * Get a JSON representation of the editor state (for saving)
+   */
+  public exportState(): { blocks: IBlock[], outputFormat: OutputFormat } {
+    return {
+      blocks: this.exportBlocks(),
+      outputFormat: this.outputFormat
+    };
+  }
+
+  /**
+   * Restore editor state from JSON
+   */
+  public importState(state: { blocks: IBlock[], outputFormat?: OutputFormat }): void {
+    if (state.outputFormat) {
+      this.outputFormat = state.outputFormat;
+    }
+    this.importBlocks(state.blocks);
+  }
 }