docs(en): add missing User Guide pages, copy images, update EN sidebar; ensure zh/en file parity

Author: cursoragent

docs/en/guide/access-token.md

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+---
+title: "RustFS Access Key Management"
+description: "Create, use, and delete RustFS access keys."
+---
+
+# Access Keys
+
+RustFS access keys are the core credentials of the RustFS system, used for authentication and authorization. They are essential in API and SDK scenarios. This section explains how to create and delete RustFS access keys.
+
+Prerequisites:
+
+- An available RustFS instance. See the [Installation Guide](/installation/index) to deploy one.
+
+## Create an Access Key
+
+1. Sign in to the RustFS UI console.
+2. In the left navigation, select **Access Keys**.
+3. On the Access Keys page, click **Add Access Key** in the upper right.
+4. Enter the access key **expiration time, name, and description**, then click **Submit**.
+5. (Optional but recommended) On the access key detail page, choose **Copy** or **Export** to securely save the credentials for later use.
+
+![access key list page](images/access_token_creation.png)
+
+## Delete an Access Key
+
+1. Sign in to the RustFS UI console.
+2. In the left navigation, select **Access Keys**.
+3. On the Access Keys page, select the access key to delete.
+4. Click **Delete** on the right of the access key, or click **Delete Selected** in the upper right to remove it.
+
+![access key deletion](images/access_token_deletion.png)

docs/en/guide/bucket/bucket-create-and-delete.md

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+---
+title: "RustFS Bucket Management"
+description: "Manage RustFS buckets, including creation and deletion."
+---
+
+# RustFS Buckets
+
+A bucket is the fundamental container for organizing and managing data in RustFS. Each bucket has a unique name and can contain multiple objects. Buckets provide logical grouping to simplify data management and access. You can operate on buckets via the RustFS UI, `mc` (MinIO Client), or the S3-compatible API (create, delete, upload, download, etc.).
+
+## Create a Bucket
+
+Prerequisites:
+
+- An available RustFS instance. See the [Installation Guide](/installation/index) to deploy one.
+
+## Create a bucket in the RustFS UI
+
+1. Sign in to the RustFS UI console.
+2. On the home page, click **Create Bucket** in the upper-left corner.
+3. Enter a bucket name and click **Create**.
+
+![bucket creation](./images/bucket-creation-by-ui.png)
+
+### Create a bucket with `mc`
+
+> For `mc` installation and configuration, see the [`mc` Guide](../mc.md).
+
+Use `mc mb` to create a bucket:
+
+```
+# create a RustFS bucket
+mc mb rustfs/bucket-creation-by-mc
+Bucket created successfully `rustfs/bucket-creation-by-mc`.
+
+# confirm the bucket exists
+mc ls rustfs/bucket-creation-by-mc
+```
+
+### Create a bucket via API
+
+Use the following API to create a bucket:
+
+```
+PUT /{bucketName} HTTP/1.1
+```
+
+Example:
+
+```
+curl --location --request PUT 'http://12.34.56.78:9000/bucket-creation-by-api' \
+--header 'X-Amz-Content-Sha256: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855' \
+--header 'X-Amz-Date: 20250801T023519Z' \
+--header 'Authorization: AWS4-HMAC-SHA256 Credential=H4xcBZKQfvJjEnk3zp1N/20250801/cn-east-1/s3/aws4_request, SignedHeaders=host;x-amz-content-sha256;x-amz-date, Signature=c2fb2ba5199a30ebcfa9976d0f35000ba274da3701327957e84ea0f3920288f2'
+```
+
+You can confirm in the RustFS UI that the `bucket-creation-by-api` bucket has been created.
+
+## Delete a Bucket
+
+Note: Buckets are critical for storing data. Deleting a bucket may break applications that depend on it. Before deletion, back up any required data and ensure the bucket is no longer needed.
+
+### Delete a bucket in the RustFS UI
+
+1. Sign in to the RustFS UI console.
+2. On the home page, select the bucket to delete.
+3. Click **Delete** on the far right.
+4. In the confirmation dialog, click **Confirm**.
+
+![bucket deletion](./images/bucket-deletion-on-ui.png)
+
+### Delete a bucket with `mc`
+
+For `mc` installation and configuration, see the [`mc` Guide](../mc.md).
+
+Use `mc rb` to delete a bucket:
+
+```
+# delete bucket
+mc rb rustfs/bucket-creation-by-mc
+Removed `rustfs/bucket-creation-by-mc` successfully.
+
+# confirm deletion
+mc ls rustfs/bucket-creation-by-mc
+mc: <ERROR> Unable to list folder. Bucket `bucket-creation-by-mc` does not exist.
+```
+
+### Delete a bucket via API
+
+Use the following API to delete a bucket:
+
+```
+DELETE /{bucketName} HTTP/1.1
+```
+
+Example:
+
+```
+curl --location --request DELETE 'http://12.34.56.78:9000/bucket-creation-by-api' \
+--header 'X-Amz-Content-Sha256: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855' \
+--header 'X-Amz-Date: 20250801T024406Z' \
+--header 'Authorization: AWS4-HMAC-SHA256 Credential=H4xcBZKQfvJjEnk3zp1N/20250801/cn-east-1/s3/aws4_request, SignedHeaders=host;x-amz-content-sha256;x-amz-date, Signature=d0f6addf09fffd7eef75191e9d3209bb7188e6b004e9707238fc60ad7033edae'
+```
+
+You can confirm in the RustFS UI that the `bucket-creation-by-api` bucket has been deleted.

docs/en/guide/bucket/images/bucket-creation-by-ui.png

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+---
+title: "RustFS Object Management"
+description: "Manage RustFS objects, including creation and deletion."
+---
+
+# RustFS Objects
+
+An object is the basic storage unit in RustFS. It includes data, metadata, and a unique identifier (Object Key). This section uses file upload and deletion to illustrate object management.
+
+> For object-related concepts, see [Core Concepts](/concepts/glossary.md).
+
+## Create an Object
+
+Prerequisites:
+
+- An available RustFS instance. See the [Installation Guide](/installation/index) to deploy one.
+
+[Create a bucket](bucket-create-and-delete.md) first, then upload a file into the bucket to create an object. You can upload via the RustFS UI, `mc`, or the S3-compatible API.
+
+### Upload a file via RustFS UI
+
+1. Sign in to the RustFS UI console.
+2. Select the target bucket.
+3. On the bucket page, use **New Directory**, **New File**, or **Upload Files/Folders** to create content.
+4. To upload from local, click **Upload Files/Folders**, choose local files/folders, then click **Start Upload**.
+
+![object creation from ui](./images/upload_file_from_ui.png)
+
+After the upload completes, click the object to view its details.
+
+![object details info](./images/object_details_info.png)
+
+### Upload a file with `mc`
+
+> For `mc` installation and configuration, see the [`mc` Guide](../mc.md).
+
+Use `mc cp` to upload:
+
+```
+# upload file
+mc cp 1.txt rustfs/bucket-creation-by-mc
+/tmp/1.txt:            13 B / 13 B  ▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓  61 B/s 0s%
+
+# confirm upload
+mc ls rustfs/bucket-creation-by-mc
+[2025-08-01 10:01:08 CST]    13B 1.txt
+```
+
+You can also verify in the RustFS console.
+
+### Upload a file via API
+
+Use the following API to upload:
+
+```
+PUT /{bucketName}/{objectName} HTTP/1.1
+```
+
+Example:
+
+```
+curl --location --request PUT 'http://12.34.56.78:9000/bucket-creation-by-api/password.txt' \
+--header 'Content-Type: text/plain' \
+--header 'X-Amz-Content-Sha256: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855' \
+--header 'X-Amz-Date: 20250801T024840Z' \
+--header 'Authorization: AWS4-HMAC-SHA256 Credential=H4xcBZKQfvJjEnk3zp1N/20250801/cn-east-1/s3/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-content-sha256;x-amz-date, Signature=b7d8dc29ee34dfdf1f3e9e8e069892a8936f478586e7a2c90cf34f5b86d3a2dc' \
+--data-binary '@/path/to/password.txt'
+```
+
+Verify the upload in the RustFS console.
+
+## Delete an Object
+
+You can delete objects via the UI, `mc`, or API. For example, remove the file created in the steps above.
+
+## Delete a file via RustFS UI
+
+1. Sign in to the RustFS UI console.
+2. Select the bucket containing the file.
+3. On the bucket page, select the file to delete.
+4. Click **Delete Selected** in the upper right, then click **Confirm** in the dialog.
+
+![object deletion from ui](./images/delete_file_from_ui.png)
+
+### Delete a file with `mc`
+
+Use `mc rm` to delete:
+
+```
+# delete file
+mc rm rustfs/bucket-creation-by-mc/1.txt
+Removed `rustfs/bucket-creation-by-mc/1.txt`.
+
+# confirm deletion
+mc ls  rustfs/bucket-creation-by-mc/1.txt
+```
+
+You can confirm the deletion in the RustFS UI.
+
+### Delete a file via API
+
+Use the following API:
+
+```
+DELETE /{bucketName}/{objectName} HTTP/1.1
+```
+
+Example:
+
+```
+curl --location --request DELETE 'http://12.34.56.78:9000/bucket-creation-by-api/password.txt' \
+--header 'Content-Type: text/plain' \
+--header 'X-Amz-Content-Sha256: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855' \
+--header 'X-Amz-Date: 20250801T030822Z' \
+--header 'Authorization: AWS4-HMAC-SHA256 Credential=H4xcBZKQfvJjEnk3zp1N/20250801/cn-east-1/s3/aws4_request, SignedHeaders=content-length;content-type;host;x-amz-content-sha256;x-amz-date, Signature=1ee63bb0b699598602b2fdbd013e355a57bcb9991307a8ad41f6512e8afebf3a'
+```
+
+Verify the deletion in the RustFS UI.