refactor(ui): consolidate block.zod.ts into component.zod.ts

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

packages/spec/src/ui/block.zod.ts

@@ -14,5 +14,5 @@ export * from './report.zod';
 export * from './action.zod';
 export * from './page.zod';
 export * from './widget.zod';
-export * from './block.zod';
+export * from './component.zod';
 export * from './theme.zod';

packages/spec/src/ui/index.ts

@@ -41,7 +41,7 @@ export const PageComponentSchema = z.object({
 
   /** Configuration */
   label: z.string().optional(),
-  properties: z.record(z.any()).describe('Component props passed to the widget. See block.zod.ts for schemas.'),
+  properties: z.record(z.any()).describe('Component props passed to the widget. See component.zod.ts for schemas.'),
 
   /** Visibility Rule */
   visibility: z.string().optional().describe('Visibility filter/formula')