chore: import upstream snapshot with attribution

apps/sim/tools/s3/head_object.ts

@@ -0,0 +1,109 @@
+import type { ToolConfig } from '@/tools/types'
+
+export const s3HeadObjectTool: ToolConfig = {
+  id: 's3_head_object',
+  name: 'S3 Head Object',
+  description: 'Retrieve metadata for an S3 object without downloading its body',
+  version: '1.0.0',
+
+  params: {
+    accessKeyId: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'Your AWS Access Key ID',
+    },
+    secretAccessKey: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'Your AWS Secret Access Key',
+    },
+    region: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'AWS region (e.g., us-east-1)',
+    },
+    bucketName: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'S3 bucket name (e.g., my-bucket)',
+    },
+    objectKey: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'Object key/path to inspect (e.g., folder/file.txt)',
+    },
+    versionId: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description: 'Specific object version ID to inspect (for versioned buckets)',
+    },
+  },
+
+  request: {
+    url: '/api/tools/s3/head-object',
+    method: 'POST',
+    headers: () => ({
+      'Content-Type': 'application/json',
+    }),
+    body: (params) => ({
+      accessKeyId: params.accessKeyId,
+      secretAccessKey: params.secretAccessKey,
+      region: params.region,
+      bucketName: params.bucketName,
+      objectKey: params.objectKey,
+      versionId: params.versionId,
+    }),
+  },
+
+  transformResponse: async (response) => {
+    const data = await response.json()
+
+    if (!data.success) {
+      return {
+        success: false,
+        output: {
+          exists: false,
+          metadata: {
+            error: data.error || 'Failed to retrieve object metadata',
+          },
+        },
+        error: data.error,
+      }
+    }
+
+    return {
+      success: true,
+      output: {
+        exists: data.output.exists,
+        metadata: {
+          size: data.output.contentLength ?? null,
+          fileType: data.output.contentType ?? null,
+          etag: data.output.etag ?? null,
+          lastModified: data.output.lastModified ?? null,
+          versionId: data.output.versionId ?? null,
+          storageClass: data.output.storageClass ?? null,
+          serverSideEncryption: data.output.serverSideEncryption ?? null,
+          deleteMarker: data.output.deleteMarker ?? null,
+          userMetadata: data.output.metadata ?? {},
+        },
+      },
+    }
+  },
+
+  outputs: {
+    exists: {
+      type: 'boolean',
+      description: 'Whether the object exists and was reachable',
+    },
+    metadata: {
+      type: 'object',
+      description: 'Object metadata including size, content type, ETag, and last modified date',
+    },
+  },
+}