chore: import upstream snapshot with attribution

apps/sim/tools/cloudformation/describe_change_set.ts

@@ -0,0 +1,118 @@
+import type {
+  CloudFormationDescribeChangeSetParams,
+  CloudFormationDescribeChangeSetResponse,
+} from '@/tools/cloudformation/types'
+import type { ToolConfig } from '@/tools/types'
+
+export const describeChangeSetTool: ToolConfig<
+  CloudFormationDescribeChangeSetParams,
+  CloudFormationDescribeChangeSetResponse
+> = {
+  id: 'cloudformation_describe_change_set',
+  name: 'CloudFormation Describe Change Set',
+  description: 'View the resource changes a change set would make and its execution status',
+  version: '1.0.0',
+
+  params: {
+    awsRegion: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'AWS region (e.g., us-east-1)',
+    },
+    awsAccessKeyId: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'AWS access key ID',
+    },
+    awsSecretAccessKey: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'AWS secret access key',
+    },
+    changeSetName: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'Name or ARN of the change set to describe',
+    },
+    stackName: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description:
+        'Name or ID of the stack the change set belongs to (required if changeSetName is not an ARN)',
+    },
+  },
+
+  request: {
+    url: '/api/tools/cloudformation/describe-change-set',
+    method: 'POST',
+    headers: () => ({
+      'Content-Type': 'application/json',
+    }),
+    body: (params) => ({
+      region: params.awsRegion,
+      accessKeyId: params.awsAccessKeyId,
+      secretAccessKey: params.awsSecretAccessKey,
+      changeSetName: params.changeSetName,
+      ...(params.stackName && { stackName: params.stackName }),
+    }),
+  },
+
+  transformResponse: async (response: Response) => {
+    const data = await response.json()
+
+    if (!response.ok) {
+      throw new Error(data.error || 'Failed to describe CloudFormation change set')
+    }
+
+    return {
+      success: true,
+      output: {
+        changeSetName: data.output.changeSetName,
+        changeSetId: data.output.changeSetId,
+        stackId: data.output.stackId,
+        stackName: data.output.stackName,
+        description: data.output.description,
+        executionStatus: data.output.executionStatus,
+        status: data.output.status,
+        statusReason: data.output.statusReason,
+        creationTime: data.output.creationTime,
+        capabilities: data.output.capabilities,
+        changes: data.output.changes,
+      },
+    }
+  },
+
+  outputs: {
+    changeSetName: { type: 'string', description: 'Name of the change set' },
+    changeSetId: { type: 'string', description: 'The unique ID of the change set' },
+    stackId: { type: 'string', description: 'The unique ID of the target stack' },
+    stackName: { type: 'string', description: 'Name of the target stack' },
+    description: { type: 'string', description: 'Description of the change set' },
+    executionStatus: {
+      type: 'string',
+      description:
+        'Whether the change set can be executed (AVAILABLE, UNAVAILABLE, EXECUTE_IN_PROGRESS, EXECUTE_COMPLETE, EXECUTE_FAILED, OBSOLETE)',
+    },
+    status: {
+      type: 'string',
+      description:
+        'Current status of the change set (CREATE_PENDING, CREATE_IN_PROGRESS, CREATE_COMPLETE, DELETE_COMPLETE, FAILED)',
+    },
+    statusReason: {
+      type: 'string',
+      description: 'Reason for the current status, particularly if failed',
+    },
+    creationTime: { type: 'number', description: 'Timestamp the change set was created' },
+    capabilities: { type: 'array', description: 'Capabilities required to execute the change set' },
+    changes: {
+      type: 'array',
+      description:
+        'List of resource changes (action, logical/physical resource ID, resource type, replacement)',
+    },
+  },
+}