Fix CI: add missing buildType in test, revert CDK dep to alpha.1

- Add buildType: 'CodeZip' to schema-mapper test baseConfig (merge artifact)
- Revert @aws/agentcore-cdk to ^0.1.0-alpha.1 (alpha.2 not yet published;
  semver ^0.1.0-alpha.1 already covers alpha.2 once available)

Author: tejaskash

src/assets/__tests__/__snapshots__/assets.snapshot.test.ts.snap

@@ -280,7 +280,7 @@ exports[`Assets Directory Snapshots > CDK assets > cdk/cdk/package.json should m
     "typescript": "~5.9.3"
   },
   "dependencies": {
-    "@aws/agentcore-cdk": "^0.1.0-alpha.2",
+    "@aws/agentcore-cdk": "^0.1.0-alpha.1",
     "aws-cdk-lib": "2.234.1",
     "constructs": "^10.0.0"
   }

src/assets/cdk/package.json

@@ -23,7 +23,7 @@
     "typescript": "~5.9.3"
   },
   "dependencies": {
-    "@aws/agentcore-cdk": "^0.1.0-alpha.2",
+    "@aws/agentcore-cdk": "^0.1.0-alpha.1",
     "aws-cdk-lib": "2.234.1",
     "constructs": "^10.0.0"
   }

src/cli/operations/agent/generate/__tests__/schema-mapper.test.ts

@@ -11,6 +11,7 @@ import { describe, expect, it } from 'vitest';
 
 const baseConfig: GenerateConfig = {
   projectName: 'TestProject',
+  buildType: 'CodeZip',
   sdk: 'Strands',
   modelProvider: 'Bedrock',
   memory: 'none',