fix(@angular/cli): use narrower types for new MCP TS SDK compatibility

Author: hybrist

packages/angular/cli/src/commands/mcp/tools/best-practices.ts

@@ -15,6 +15,7 @@
  * guide bundled with the Angular CLI.
  */
 
+import type { CallToolResult } from '@modelcontextprotocol/sdk/types';
 import { readFile, stat } from 'node:fs/promises';
 import { createRequire } from 'node:module';
 import path from 'node:path';
@@ -211,7 +212,7 @@ function createBestPracticesHandler({ logger }: McpToolContext) {
           type: 'text' as const,
           text: content,
           annotations: {
-            audience: ['assistant'],
+            audience: ['assistant' as const],
             priority: 0.9,
             source,
           },

packages/angular/cli/src/commands/mcp/tools/doc-search.ts

@@ -176,13 +176,13 @@ function createDocSearchHandler({ logger }: McpToolContext) {
     const textContent: {
       type: 'text';
       text: string;
-      annotations?: { audience: string[]; priority: number };
+      annotations?: { audience: ('assistant' | 'user')[]; priority: number };
     }[] = [
       {
         type: 'text' as const,
         text: `Showing results for Angular v${finalSearchedVersion} documentation.`,
         annotations: {
-          audience: ['assistant'],
+          audience: ['assistant' as const],
           priority: 0.9,
         },
       },