static: generate English llms.txt for TiDB Cloud Premium (#697)

* static: update English llms.txt

* update

Signed-off-by: Aolin <aolin.zhang@pingcap.com>

---------

Signed-off-by: Aolin <aolin.zhang@pingcap.com>

Author: Oreoxmt

static/api/llms.txt

@@ -5,6 +5,7 @@
 ## TIDB CLOUD
 
 - [API Overview](https://docs.pingcap.com/api/tidb-cloud-api-overview.md): Learn about what TiDB Cloud API is, its features, and how to use the API to manage your TiDB Cloud clusters.
+- [API v1beta2](https://docs.pingcap.com/api/tidb-cloud-api-v1beta2.md): Learn about the v1beta2 API of TiDB Cloud.
 - [API v1beta1](https://docs.pingcap.com/api/tidb-cloud-api-v1beta1.md): Learn about the v1beta1 API of TiDB Cloud.
 - [API v1beta](https://docs.pingcap.com/api/tidb-cloud-api-v1beta.md): Learn about the v1beta API of TiDB Cloud.
 

static/developer/llms.txt

@@ -4,7 +4,7 @@
 
 ## QUICK START
 
-- [Create a TiDB Cloud Starter Cluster](https://docs.pingcap.com/developer/dev-guide-build-cluster-in-cloud.md): Learn how to create a TiDB Cloud Starter cluster and connect to it.
+- [Create a TiDB Cloud Starter Instance](https://docs.pingcap.com/developer/dev-guide-build-cluster-in-cloud.md): Learn how to create a TiDB Cloud Starter instance and connect to it.
 - [TiDB Basics](https://docs.pingcap.com/developer/dev-guide-tidb-basics.md): Learn the basics of TiDB for developers, such as transaction mechanisms and how applications interact with TiDB.
 - [CRUD SQL in TiDB](https://docs.pingcap.com/developer/dev-guide-tidb-crud-sql.md): A brief introduction to TiDB's CRUD SQL.
 

static/llms.txt

@@ -6,7 +6,7 @@
 
 TiDB is available in multiple deployment options:
 
-- **TiDB Cloud**: Fully managed database service with Dedicated, Essential, and Starter plan.
+- **TiDB Cloud**: Fully managed database service with Dedicated, Premium, Essential, and Starter plan.
 - **TiDB Self-Managed**: Deploy and operate TiDB on your own infrastructure.
 - **TiDB on Kubernetes**: Deploy and manage TiDB using TiDB Operator.
 
@@ -18,6 +18,10 @@ TiDB Cloud is a fully-managed Database-as-a-Service (DBaaS) that brings everythi
 
 - [TiDB Cloud Dedicated Documentation](https://docs.pingcap.com/tidbcloud/llms.txt): Enterprise-grade managed TiDB with dedicated resources, advanced security, and compliance features.
 
+#### TiDB Cloud Premium
+
+- [TiDB Cloud Premium Documentation](https://docs.pingcap.com/tidbcloud/premium/llms.txt): Designed for mission-critical businesses that demand unlimited real-time scalability, delivering workload-aware auto-scaling and comprehensive enterprise capabilities.
+
 #### TiDB Cloud Essential
 
 - [TiDB Cloud Essential Documentation](https://docs.pingcap.com/tidbcloud/essential/llms.txt): Cost-effective managed TiDB for growing applications, balancing performance and affordability.

static/releases/tidb-self-managed/llms.txt

@@ -11,6 +11,7 @@
 ## RELEASE NOTES
 
 - v8.5
+  - [8.5.6](https://docs.pingcap.com/tidb/stable/release-8.5.6.md): Learn about the features, compatibility changes, improvements, and bug fixes in TiDB 8.5.6.
   - [8.5.5](https://docs.pingcap.com/tidb/stable/release-8.5.5.md): Learn about the features, compatibility changes, improvements, and bug fixes in TiDB 8.5.5.
   - [8.5.4](https://docs.pingcap.com/tidb/stable/release-8.5.4.md): Learn about the features, compatibility changes, improvements, and bug fixes in TiDB 8.5.4.
   - [8.5.3](https://docs.pingcap.com/tidb/stable/release-8.5.3.md): Learn about the compatibility changes, improvements, and bug fixes in TiDB 8.5.3.

static/tidb/llms.txt

@@ -75,7 +75,7 @@
     - [Alert Rules](https://docs.pingcap.com/tidb/stable/ticdc-alert-rules.md): Learn about TiCDC alert rules and how to handle the alerts.
   - Integration Scenarios
     - [Overview](https://docs.pingcap.com/tidb/stable/integration-overview.md): Learn the overview of data integration scenarios.
-    - [Integrate with Confluent and Snowflake](https://docs.pingcap.com/tidb/stable/integrate-confluent-using-ticdc.md): Learn how to stream TiDB data to Confluent Cloud, Snowflake, ksqlDB, and SQL Server.
+    - [Integrate with Confluent Cloud, Snowflake, ksqlDB, and SQL Server](https://docs.pingcap.com/tidb/stable/integrate-confluent-using-ticdc.md): Learn how to stream TiDB data to Confluent Cloud, Snowflake, ksqlDB, and SQL Server.
     - [Integrate with Apache Kafka and Apache Flink](https://docs.pingcap.com/tidb/stable/replicate-data-to-kafka.md): Learn how to replicate TiDB data to Apache Kafka and Apache Flink using TiCDC.
   - Reference
     - TiCDC Architecture
@@ -628,6 +628,7 @@
   - Privileges
     - [Security Compatibility with MySQL](https://docs.pingcap.com/tidb/stable/security-compatibility-with-mysql.md): Learn TiDB's security compatibilities with MySQL.
     - [Privilege Management](https://docs.pingcap.com/tidb/stable/privilege-management.md): Learn how to manage the privilege.
+    - [Column-Level Privilege Management](https://docs.pingcap.com/tidb/stable/column-privilege-management.md): TiDB supports a MySQL-compatible column-level privilege management mechanism. You can grant or revoke `SELECT`, `INSERT`, `UPDATE`, and `REFERENCES` privileges on specific columns of a table using `GRANT` or `REVOKE`, achieving finer-grained access control.
     - [User Account Management](https://docs.pingcap.com/tidb/stable/user-account-management.md): Learn how to manage a TiDB user account.
     - [TiDB Password Management](https://docs.pingcap.com/tidb/stable/password-management.md): Learn the mechanism of user password management in TiDB.
     - [Role-Based Access Control](https://docs.pingcap.com/tidb/stable/role-based-access-control.md): This document introduces TiDB RBAC operations and implementation.
@@ -637,6 +638,7 @@
       - Attributes
         - [AUTO_INCREMENT](https://docs.pingcap.com/tidb/stable/auto-increment.md): Learn the `AUTO_INCREMENT` column attribute of TiDB.
         - [AUTO_RANDOM](https://docs.pingcap.com/tidb/stable/auto-random.md): Learn the AUTO_RANDOM attribute.
+        - [_tidb_rowid](https://docs.pingcap.com/tidb/stable/tidb-rowid.md): Learn what `_tidb_rowid` is, when it is available, and how to use it safely.
         - [SHARD_ROW_ID_BITS](https://docs.pingcap.com/tidb/stable/shard-row-id-bits.md): Learn the SHARD_ROW_ID_BITS attribute.
       - [Literal Values](https://docs.pingcap.com/tidb/stable/literal-values.md): This article introduces the literal values ​​of TiDB SQL statements.
       - [Schema Object Names](https://docs.pingcap.com/tidb/stable/schema-object-names.md): Learn about schema object names in TiDB SQL statements.
@@ -968,4 +970,4 @@
   - [High Availability FAQs](https://docs.pingcap.com/tidb/stable/high-availability-faq.md): Learn about the FAQs related to high availability of TiDB.
   - [High Reliability FAQs](https://docs.pingcap.com/tidb/stable/high-reliability-faq.md): Learn about the FAQs related to high reliability of TiDB.
   - [Backup and Restore FAQs](https://docs.pingcap.com/tidb/stable/backup-and-restore-faq.md): Learn about Frequently Asked Questions (FAQs) and the solutions of backup and restore.
-- [Glossary](https://docs.pingcap.com/tidb/stable/glossary.md): Glossaries about TiDB.
+- [Glossary](https://docs.pingcap.com/tidb/stable/glossary.md)